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<title>Gladstone Capital Corporation 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="/investors/sec-filings/quarterly-reports/xbrl_doc_only/10">Cover</a>
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                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/10">Cover</a></li>
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                        <a class="menu-item " href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/11">Financial Statements</a>
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                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/11">CONSOLIDATED STATEMENTS OF ASSETS AND LIABILITIES</a></li>
                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/12">CONSOLIDATED STATEMENTS OF ASSETS AND LIABILITIES (Parenthetical)</a></li>
                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/13">CONSOLIDATED STATEMENTS OF OPERATIONS</a></li>
                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/14">CONSOLIDATED STATEMENTS OF CHANGES IN NET ASSETS</a></li>
                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/15">CONSOLIDATED STATEMENTS OF CHANGES IN NET ASSETS (Parentheticals)</a></li>
                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/16">CONSOLIDATED STATEMENTS OF CASH FLOWS</a></li>
                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/17">CONSOLIDATED SCHEDULE OF INVESTMENTS</a></li>
                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/18">CONSOLIDATED SCHEDULE OF INVESTMENTS (Parentheticals)</a></li>
                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/19">CONSOLIDATED STATEMENTS OF CASH FLOWS (Parenthetical)</a></li>
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                        <a class="menu-item " href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/20">Notes to Financial Statements</a>
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                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/20">ORGANIZATION</a></li>
                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/21">SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES</a></li>
                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/22">INVESTMENTS</a></li>
                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/23">RELATED PARTY TRANSACTIONS</a></li>
                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/24">BORROWINGS</a></li>
                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/25">REGISTRATION STATEMENT AND COMMON EQUITY OFFERINGS</a></li>
                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/26">NET INCREASE IN NET ASSETS RESULTING FROM OPERATIONS PER WEIGHTED AVERAGE COMMON SHARE</a></li>
                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/27">DISTRIBUTIONS TO COMMON STOCKHOLDERS</a></li>
                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/28">COMMITMENTS AND CONTINGENCIES</a></li>
                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/29">FINANCIAL HIGHLIGHTS</a></li>
                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/30">SUBSEQUENT EVENTS</a></li>
                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/31">N-2</a></li>
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                        <a class="menu-item " href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/32">Accounting Policies</a>
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                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/32">SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies)</a></li>
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                        <a class="menu-item " href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/33">Notes Tables</a>
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                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/33">INVESTMENTS (Tables)</a></li>
                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/34">RELATED PARTY TRANSACTIONS (Tables)</a></li>
                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/35">BORROWINGS (Tables)</a></li>
                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/36">NET INCREASE IN NET ASSETS RESULTING FROM OPERATIONS PER WEIGHTED AVERAGE COMMON SHARE (Tables)</a></li>
                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/37">DISTRIBUTIONS TO COMMON STOCKHOLDERS (Tables)</a></li>
                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/38">COMMITMENTS AND CONTINGENCIES (Tables)</a></li>
                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/39">FINANCIAL HIGHLIGHTS (Tables)</a></li>
                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/40">SUBSEQUENT EVENTS (Tables)</a></li>
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                        <a class="menu-item current" href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/41">Notes Details</a>
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                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/41">ORGANIZATION (Details)</a></li>
                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/42">SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details)</a></li>
                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/43">INVESTMENTS - Fair Value, Assets Measured on Recurring Basis (Details)</a></li>
                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/44">INVESTMENTS - Fair Value Measurement Inputs and Valuation Techniques (Details)</a></li>
                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/45">INVESTMENTS - Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation (Details)</a></li>
                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/46">INVESTMENTS - Narrative (Details)</a></li>
                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/47">INVESTMENTS - Summary Investment Holdings (Details)</a></li>
                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/48">INVESTMENTS - Investments Classified by Contractual Maturity Date (Details)</a></li>
                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/49">RELATED PARTY TRANSACTIONS - Narrative (Details)</a></li>
                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/50">RELATED PARTY TRANSACTIONS - Schedule of Related Party Transactions (Details)</a></li>
                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/51">RELATED PARTY TRANSACTIONS - Schedule of Related Party Fees Due (Details)</a></li>
                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/52">BORROWINGS - Revolving Credit Facility Narrative (Details)</a></li>
                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/53">BORROWINGS - Schedule of Line of Credit Facilities (Details)</a></li>
                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/54">BORROWINGS - Fair Value Narrative (Details)</a></li>
                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/55">BORROWINGS - Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation (Details)</a></li>
                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/56">BORROWINGS - Notes Payable Narrative (Details)</a></li>
                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/57">REGISTRATION STATEMENT AND COMMON EQUITY OFFERINGS (Details)</a></li>
                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/58">NET INCREASE IN NET ASSETS RESULTING FROM OPERATIONS PER WEIGHTED AVERAGE COMMON SHARE (Details)</a></li>
                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/59">DISTRIBUTIONS TO COMMON STOCKHOLDERS - Narrative (Details)</a></li>
                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/60">DISTRIBUTIONS TO COMMON STOCKHOLDERS - Dividends Declared (Details)</a></li>
                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/61">DISTRIBUTIONS TO COMMON STOCKHOLDERS - Adjustments for Book-tax Differences to Reflect Tax Character (Details)</a></li>
                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/62">COMMITMENTS AND CONTINGENCIES - Narrative (Details)</a></li>
                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/63">COMMITMENTS AND CONTINGENCIES - Schedule of Principal Balances of Unused Line of Credit and Delayed Draw Term Debt Commitments and Guaranties (Details)</a></li>
                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/64">FINANCIAL HIGHLIGHTS (Details)</a></li>
                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/65">SUBSEQUENT EVENTS (Details)</a></li>
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        <h4>BORROWINGS - Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation (Details)</h4>
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