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        <title>Sirius XM Holdings Inc. Quarterly report pursuant to Section 13 or 15(d)</title>
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            <h3>Quarterly report pursuant to Section 13 or 15(d)</h3>
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                                <a class="menu-item " href="/sec-filings/all-sec-filings/xbrl_doc_only/2001">Cover</a>
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                                <a class="menu-item " href="/sec-filings/all-sec-filings/xbrl_doc_only/2002">Financial Statements</a>
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                                <a class="menu-item " href="/sec-filings/all-sec-filings/xbrl_doc_only/2009">Notes to Financial Statements</a>
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                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/2011">Summary of Significant Accounting Policies</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/2012">Earnings per Share</a></li>
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                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/2021">Stockholders&#039; Equity</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/2022">Benefit Plans</a></li>
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                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/2026">Subsequent Events</a></li>
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                                <a class="menu-item " href="/sec-filings/all-sec-filings/xbrl_doc_only/2027">Accounting Policies</a>
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                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/2027">Summary of Significant Accounting Policies (Policies)</a></li>
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                                <a class="menu-item " href="/sec-filings/all-sec-filings/xbrl_doc_only/2028">Notes Tables</a>
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                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/2028">Business &amp; Basis of Presentation (Tables)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/2029">Acquisition (Tables)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/2030">Summary of Significant Accounting Policies (Tables)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/2031">Earnings per Share (Tables)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/2032">Receivables, net (Tables)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/2033">Inventory, net (Tables)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/2034">Intangible Assets (Tables)</a></li>
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                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/2041">Segments and Geographic Information (Tables)</a></li>
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                                <a class="menu-item current" href="/sec-filings/all-sec-filings/xbrl_doc_only/2042">Notes Details</a>
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                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/2042">Business &amp; Basis of Presentation (Details)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/2043">Business &amp; Basis of Presentation - Reclassification (Details)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/2044">Acquisition (Details)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/2045">Acquisition - Consideration Transferred (Details)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/2046">Acquisition - Schedule of Acquisition (Details)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/2047">Acquisition - Pro Forma Information (Details)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/2048">Summary of Significant Accounting Policies - Assets and Liabilities at Fair Value (Details)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/2049">Summary of Significant Accounting Policies - Additional Information (Details)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/2050">Summary of Significant Accounting Policies - Effect of ASU 2016-02 (Details)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/2051">Earnings per Share - Additional Information (Details)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/2052">Earnings per Share - Schedule of Earnings Per Share (Details)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/2053">Receivables, net (Details)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/2054">Inventory, net (Details)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/2055">Goodwill (Details)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/2056">Intangible Assets - Summary of Intangible Assets (Details)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/2057">Intangible Assets - Indefinite Life Intangible Assets (Details)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/2058">Intangible Assets - Definite Life Intangible Assets (Details)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/2059">Intangible Assets - Expected Amortization Expense for Each of the Fiscal Years (Details)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/2060">Property and Equipment - Schedule of Property and Equipment (Details)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/2061">Property and Equipment - Schedule of Construction in Progress (Details)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/2062">Property and Equipment - Additional Information (Details)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/2063">Leases (Details)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/2064">Leases - Components of Lease Expense (Details)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/2065">Leases - Supplemental Cash Flow Information (Details)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/2066">Leases - Supplemental Balance Sheet Information (Details)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/2067">Leases - Maturities of Lease Liabilities (Details)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/2068">Related Party Transactions - Liberty Media, Sirius XM Canada, Pandora - Additional Information (Details)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/2069">Debt - Schedule of Long-term Debt Instruments (Details)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/2070">Debt - Additional Information (Details)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/2071">Stockholders&#039; Equity - Common Stock (Details)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/2072">Stockholders&#039; Equity - Quarterly Dividends (Details)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/2073">Stockholders&#039; Equity - Stock Repurchase Program (Details)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/2074">Stockholders&#039; Equity - Schedule of Repurchase Agreements (Details)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/2075">Stockholders&#039; Equity - Preferred Stock (Details)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/2076">Benefit Plans - Additional Information (Details)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/2077">Benefit Plans - 2015 Long-Term Stock Incentive Plan (Details)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/2078">Benefit Plans - Other Plans (Details)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/2079">Benefit Plans - Fair Value of Options Granted (Details)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/2080">Benefit Plans - Stock Options Activity Under Share-Based Payment Plans (Details)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/2081">Benefit Plans - Summary of Restricted Stock Unit and Stock Award Activity (Details)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/2082">Benefit Plans - 401(k) Savings Plan (Details)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/2083">Benefit Plans - Sirius XM Holdings Inc. Deferred Compensation Plan (Details)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/2084">Commitments and Contingencies - Expected Contractual Cash Commitments (Details)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/2085">Commitments and Contingencies - Additional Information (Details)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/2086">Segments and Geographic Information (Details)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/2087">Segments and Geographic Information - Revenue and Profit by Segment (Details)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/2088">Segments and Geographic Information - Gross Profit to Consolidated Income Reconciliation (Details)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/2089">Income Taxes - Narrative (Details)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/2090">Subsequent Events (Details)</a></li>
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                                <a class="menu-item " href="/sec-filings/all-sec-filings/xbrl_doc_only/2091">Uncategorized</a>
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                <h4>Commitments and Contingencies - Expected Contractual Cash Commitments (Details)</h4>
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