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<title>Fortress Biotech, Inc. Annual report pursuant to Section 13 and 15(d)</title>
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    <h3>Annual report pursuant to Section 13 and 15(d)</h3>
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                        <a class="menu-item " href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2535">Cover</a>
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                        <a class="menu-item " href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2536">Financial Statements</a>
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                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2536">Condensed Consolidated Balance Sheets</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2537">Condensed Consolidated Balance Sheets (Parenthetical)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2538">Condensed Consolidated Statements of Operations</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2539">Condensed Consolidated Statement of Changes in Stockholders' Equity</a></li>
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                        <a class="menu-item " href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2541">Notes to Financial Statements</a>
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                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2541">Organization and Description of Business</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2542">Summary of Significant Accounting Policies</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2543">Discontinued Operations</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2544">Collaboration and Stock Purchase Agreements</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2545">Property and Equipment</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2546">Fair Value Measurements</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2547">Licenses Acquired</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2548">Sponsored Research and Clinical Trial Agreements</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2549">Intangibles, net</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2550">Debt and Interest</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2551">Accrued Liabilities and other Long-Term Liabilities</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2552">Non-Controlling Interests</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2553">Net Loss per Common Share</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2554">Stockholders' Equity</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2555">Commitments and Contingencies</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2556">Employee Benefit Plan</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2557">Related Party Transactions</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2558">Income taxes</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2559">Segment Information</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2560">Revenues from Contracts and Significant Customers</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2561">Subsequent Events</a></li>
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                        <a class="menu-item " href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2562">Accounting Policies</a>
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                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2562">Summary of Significant Accounting Policies (Policies)</a></li>
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                        <a class="menu-item " href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2563">Notes Tables</a>
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                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2563">Summary of Significant Accounting Policies (Tables)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2564">Discontinued Operations (Tables)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2565">Collaboration and Stock Purchase Agreements (Tables)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2566">Property and Equipment (Tables)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2567">Fair Value Measurements (Tables)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2568">Licenses Acquired (Tables)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2569">Sponsored Research and Clinical Trial Agreements (Tables)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2570">Intangibles, net (Tables)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2571">Debt and Interest (Tables)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2572">Accrued Liabilities and other Long-Term Liabilities (Tables)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2573">Non-Controlling Interests (Tables)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2574">Net Loss per Common Share (Tables)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2575">Stockholders' Equity (Tables)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2576">Commitments and Contingencies (Tables)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2577">Related Party Transactions (Tables)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2578">Income Taxes (Tables)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2579">Segment Information (Tables)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2580">Revenues from Contracts and Significant Customers (Tables)</a></li>
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                        <a class="menu-item current" href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2581">Notes Details</a>
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                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2581">Summary of Significant Accounting Policies (Narrative) (Details)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2582">Summary of Significant Accounting Policies (Schedule of Cash and Cash Equivalents) (Details)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2583">Discontinued Operations (Narrative) (Details)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2584">Discontinued Operations (Schedule of Cash Flows Statement) (Details)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2585">Collaboration and Stock Purchase Agreements (Narrative) (Details)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2586">Collaboration and Stock Purchase Agreements (Schedule of Assets and Liabilities of Caelum) (Details)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2587">Collaboration and Stock Purchase Agreements (Schedule of Gain from Deconsolidation of Caelum) (Details)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2588">Property and Equipment (Narrative) (Details)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2589">Property and Equipment (Schedule of Property and Equipment) (Details)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2590">Fair Value Measurements (Narrative) (Details)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2591">Fair Value Measurements (Weighted average Significant Unobservable Inputs) (Details)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2592">Fair Value Measurements (Fair Value of Liabilities Measured on Recurring Basis) (Details)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2593">Fair Value Measurements (Schedule of Financial Instruments, Measured at Fair Value on a Recurring Basis) (Details)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2594">Fair Value Measurements (Roll Forward of the Changes in Fair Value of Level 3 Financial Instruments) (Details)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2595">Licenses Acquired (Narrative) (Details)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2596">Licenses Acquired (Mustang - Narrative) (Details)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2597">Licenses Acquired (Oncogenuity and Tamid - Narrative) (Details)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2598">Licenses Acquired (Schedule of Research and Development-Licenses) (Details)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2599">Licenses Acquired (Schedule of Research and Development for Licenses Acquired) (Details)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2600">Sponsored Research and Clinical Trial Agreements (Narrative) (Details)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2601">Sponsored Research and Clinical Trial Agreements (Schedule of Research and Development for Sponsored Research and Clinical Trial Agreements) (Details)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2602">Intangibles (Narrative) (Details)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2603">Intangibles (Schedule of Intangible Assets) (Details)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2604">Intangibles (Schedule of JMC Recognized Expense Related to its Product Licenses) (Details)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2605">Intangibles (Schedule of Future Amortization of Intangible Assets) (Details)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2606">Debt and Interest (Narrative) (Details)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2607">Debt and Interest (2018 Venture Notes and Mustang Horizon Notes) (Narrative) (Details)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2608">Debt and Interest (Schedule of Debt) (Details)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2609">Debt and Interest (Interest Expense) (Details)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2610">Accrued Liabilities and other Long-Term Liabilities (Narrative) (Details)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2611">Accrued Liabilities and other Long-Term Liabilities (Schedule of Accrued Expenses and Other Long-Term Liabilities) (Details)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2612">Non-Controlling Interests (Schedule of Non-Controlling Interests in Consolidated Entities) (Details)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2613">Net Loss per Common Share (Narrative) (Details)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2614">Net Loss per Common Share (Schedule of Diluted Weighted Average Shares Outstanding) (Details)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2615">Stockholders' Equity (Common Stock and Preferred Stock) (Narrative) (Details)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2616">Stockholders' Equity (Stock Based Compensation) (Narrative) (Details)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2617">Stockholders' Equity (Capital Raise) (Narrative) (Details)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2618">Stockholders' Equity (Stock Based Compensation Plans of Partner Companies) (Details)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2619">Stockholders' Equity (Stock-Based Compensation Expense) (Details)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2620">Stockholders' Equity (Stock Option Activities) (Details)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2621">Stockholders' Equity (Restricted Stock Awards and Restricted Stock Units) (Details)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2622">Stockholders' Equity (Schedule of Warrant activities) (Details)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2623">Commitments and Contingencies (Narrative) (Details)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2624">Commitments and Contingencies (Lease Expense) (Details)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2625">Commitments and Contingencies (Quantitative Information about Operating Leases) (Details)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2626">Commitments and Contingencies (Future Minimum Lease Payments) (Details)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2627">Employee Benefit Plan (Narrative) (Details)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2628">Related Party Transactions (Narrative) (Details)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2629">Related Party Transactions (PIK Dividend or Equity Fee Payable) (Details)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2630">Related Party Transactions (Schedule of Equity Fees) (Details)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2631">Related Party Transactions (Management Services Agreement) (Details)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2632">Income Taxes (Narrative) (Details)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2633">Income Taxes (Components of Income Tax Expense (Benefit)) (Details)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2634">Income Taxes (Deferred Tax Assets and Liabilities) (Details)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2635">Income Taxes (Effective Income Tax Rate Reconciliation) (Details)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2636">Segment Information (Narrative) (Details)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2637">Segment Information (Schedule of Segment Information) (Details)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2638">Revenues from Contracts and Significant Customers (Narrative) (Details)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2639">Revenues from Contracts and Significant Customers (Company's product revenue) (Details)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/2640">Subsequent Events (Narrative) (Details)</a></li>
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        <h4>Commitments and Contingencies (Future Minimum Lease Payments) (Details)</h4>
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