| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| Five Narrow Lane LP | 10% | $552,386 | 253,388 | Five Narrow Lane LP | 13 May 2025 | |||
| CYTOVANCE BIOLOGICS INC | 9.8% | $478,416 | 219,457 | CYTOVANCE BIOLOGICS INC | 30 Sep 2024 | |||
| BRISTOL INVESTMENT FUND LTD | 2.4% | $171,405 | 74,524 | Bristol Investment Fund, Ltd. | 29 May 2025 |
As of 31 Dec 2025, 38 institutional investors reported holding 483,011 shares of GT Biopharma, Inc. - Common Stock (GTBP). This represents 15% of the company’s total 3,148,458 outstanding shares.
The largest institutional shareholders of GT Biopharma, Inc. - Common Stock (GTBP) together control 15% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| CITADEL ADVISORS LLC | 2.6% | 80,761 | +104% | 0% | $63,414 |
| Scientech Research LLC | 1.7% | 54,745 | 0.03% | $42,986 | |
| SeaCrest Wealth Management, LLC | 1.6% | 50,000 | 0% | $36,615 | |
| JANE STREET GROUP, LLC | 0.83% | 26,016 | 0% | $20,427 | |
| Integrated Wealth Concepts LLC | 0.64% | 20,006 | 0% | $15,709 | |
| GEODE CAPITAL MANAGEMENT, LLC | 0.61% | 19,258 | -20% | 0% | $15,123 |
| MORGAN STANLEY | 0.59% | 18,599 | +33% | 0% | $14,604 |
| Coston, McIsaac & Partners | 0.54% | 17,092 | 0% | $13,000 | |
| Caitlin John, LLC | 0.52% | 16,500 | 0.01% | $12,956 | |
| WELLS FARGO & COMPANY/MN | 0.51% | 16,037 | +60% | 0% | $12,592 |
| Cerity Partners LLC | 0.48% | 15,000 | 0% | $11,778 | |
| AM INVESTMENT STRATEGIES LLC | 0.48% | 15,000 | 0% | $12,000 | |
| Verdence Capital Advisors LLC | 0.41% | 13,000 | 0% | $10,208 | |
| TWO SIGMA SECURITIES, LLC | 0.4% | 12,534 | -27% | 0% | $9,842 |
| Prospera Financial Services Inc | 0.38% | 11,996 | 0% | $9,419 | |
| HRT FINANCIAL LP | 0.37% | 11,767 | 0% | $9,000 | |
| PARSONS CAPITAL MANAGEMENT INC/RI | 0.35% | 10,900 | 0% | $8,559 | |
| BANK OF MONTREAL /CAN/ | 0.34% | 10,834 | -88% | 0% | $8,507 |
| LPL Financial LLC | 0.34% | 10,632 | 0% | $8,348 | |
| HBK Sorce Advisory LLC | 0.32% | 10,000 | 0% | $5,389 | |
| Advisory Services Network, LLC | 0.32% | 10,000 | 0% | $7,852 | |
| BlackRock, Inc. | 0.27% | 8,409 | -14% | 0% | $6,603 |
| WOLFF WIESE MAGANA LLC | 0.16% | 5,000 | 0% | $3,926 | |
| Newbridge Financial Services Group, Inc. | 0.12% | 3,750 | 0% | 0% | $2,945 |
| Farther Finance Advisors, LLC | 0.1% | 3,000 | 0% | $2,356 |
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2025 Q4 | 483,011 | $373,734 | +$113,728 | $0.79 | 38 |
| 2025 Q3 | 369,208 | $217,520 | +$21,414 | $0.59 | 20 |
| 2025 Q2 | 198,676 | $711,263 | +$381,370 | $3.58 | 21 |
| 2025 Q1 | 99,688 | $220,497 | -$29,000,935 | $2.15 | 20 |
| 2024 Q4 | 1,244,880 | $29,297,553 | +$4,192 | $3.05 | 18 |
| 2024 Q3 | 1,246,007 | $35,300,829 | +$5,339,749 | $2.31 | 15 |
| 2024 Q2 | 1,080,160 | $38,124,773 | +$37,905,403 | $2.83 | 16 |
| 2024 Q1 | 75,442 | $348,558 | +$348,261 | $4.43 | 15 |
| 2023 Q4 | 208 | $53 | +$53 | $0.26 | 2 |