GT Biopharma, Inc.
GTBP- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0000109657
No open-market purchases or sales by GT Biopharma, Inc. insiders were filed in the last 90 days; 59 institutions reported holding it in 13F filings for Q2 2026, worth $1.02M in total; no superinvestor holds it.
13F holders, Q1 2026
Institutional positions in GT Biopharma, Inc. as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 42
- +5 vs. Q4 2025
- Shares held
- 1.61M
- +1.13M (+235.4%) vs. Q4 2025
- Total value
- $656.7K
- +$284.6K (+76.5%) vs. Q4 2025
- New holders
- 15
- 7 more added
- Sold out
- 10
- 5 more reduced
1 institution that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting GTBP on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 59 | $1.02M |
| Q1 2026 | 42 | $656.7K |
| Q4 2025 | 38 | $373.7K |
| Q3 2025 | 21 | $222.2K |
| Q2 2025 | 21 | $711.3K |
| Q1 2025 | 20 | $220.5K |
| Q4 2024 | 19 | $279.1K |
| Q3 2024 | 16 | $203.8K |
| Q2 2024 | 17 | $296.8K |
| Q1 2024 | 17 | $348.6K |
| Q4 2023 | 34 | $893.1K |
| Q3 2023 | 33 | $849.9K |
| Q2 2023 | 37 | $1.11M |
| Q1 2023 | 36 | $3.05M |
| Q4 2022 | 36 | $5.62M |
| Q3 2022 | 35 | $4.36M |
| Q2 2022 | 48 | $9.28M |
| Q1 2022 | 58 | $12.9M |
| Q4 2021 | 55 | $16.7M |
| Q3 2021 | 54 | $32.1M |
| Q2 2021 | 50 | $69.9M |
| Q1 2021 | 21 | $3.98M |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding GT Biopharma, Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| JPMorgan Chase & Co | 1 | $0 | 0.00% | 00.0% | Unchanged |
| SBI Securities Co., Ltd. | 1 | $0 | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 126 | $0 | 0.00% | +126 | New |
| BNP Paribas Arbitrage, SA | 16 | $7 | 0.00% | 00.0% | Unchanged |
| Hilltop National Bank | 100 | $41 | 0.00% | +100 | New |
| FMR LLC | 1,000 | $408 | 0.00% | +1,000 | New |
| Stone House Investment Management, LLC | 1,251 | $510 | 0.00% | +1,251 | New |
| Triumph Capital Management | 1,655 | $675 | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 1,698 | $693 | 0.00% | −3−0.2% | Reduced |
| West Financial Advisors, LLC | 2,500 | $1.02K | 0.00% | +2,500 | New |
| Massmutual Trust Co FSB | 3,000 | $1.22K | 0.00% | +3,000 | New |
| Farther Finance Advisors, LLC | 3,000 | $1.23K | 0.00% | 00.0% | Unchanged |
| Newbridge Financial Services Group, Inc. | 3,750 | $1.53K | 0.00% | 00.0% | Unchanged |
| Allworth Financial LP | 4,501 | $1.84K | 0.00% | +4,500+450,000.0% | Added |
| BlackRock, Inc. | 8,408 | $3.43K | 0.00% | −10.0% | Reduced |
| HBK Sorce Advisory LLC | 10,000 | $3.75K | 0.00% | 00.0% | Unchanged |
| Parsons Capital Management Inc | 10,900 | $4.45K | 0.00% | 00.0% | Unchanged |
| LaSalle St. Investment Advisors, LLC | 11,000 | $4.49K | 0.00% | +11,000 | New |
| Prospera Financial Services Inc | 11,996 | $4.89K | 0.00% | 00.0% | Unchanged |
| Verdence Capital Advisors LLC | 12,000 | $4.90K | 0.00% | −1,000−7.7% | Reduced |
| Coston, McIsaac & Partners | 17,092 | $6.00K | 0.00% | 00.0% | Unchanged |
| Am Investment Strategies LLC | 15,000 | $6.00K | 0.00% | 00.0% | Unchanged |
| Virtu Financial LLC | 14,876 | $6.00K | 0.00% | +14,876 | New |
| StoneX Group Inc. | 14,756 | $6.02K | 0.00% | +14,756 | New |
| Wells Fargo & Company | 16,037 | $6.54K | 0.00% | 00.0% | Unchanged |
| Caitlin John, LLC | 16,500 | $6.73K | 0.00% | 00.0% | Unchanged |
| Morgan Stanley | 16,599 | $6.77K | 0.00% | −2,000−10.8% | Reduced |
| Private Wealth Management Group, LLC | 20,000 | $8.16K | 0.00% | +20,000 | New |
| Integrated Wealth Concepts LLC | 20,006 | $8.16K | 0.00% | 00.0% | Unchanged |
| Cerity Partners LLC | 20,023 | $8.17K | 0.00% | +5,023+33.5% | Added |
| Keel Point, LLC | 20,768 | $8.47K | 0.00% | +20,768 | New |
| Advisor Group Holdings, Inc. | 21,000 | $8.57K | 0.00% | +19,000+950.0% | Added |
| Invst, LLC | 23,400 | $9.55K | 0.00% | +23,400 | New |
| LPL Financial LLC | 30,382 | $12.4K | 0.00% | +19,750+185.8% | Added |
| Two Sigma Securities, LLC | 31,796 | $13.0K | 0.00% | +19,262+153.7% | Added |
| UBS Group AG | 45,970 | $18.8K | 0.00% | +45,969+4,596,900.0% | Added |
| SeaCrest Wealth Management, LLC | 50,000 | $20.4K | 0.00% | 00.0% | Unchanged |
| Citadel Advisors LLC | 66,165 | $27.0K | 0.00% | −14,596−18.1% | Reduced |
| SRS Capital Advisors, Inc. | 93,627 | $38.2K | 0.00% | +93,627 | New |
| Vanguard Fiduciary Trust Co | 225,938 | $92.2K | 0.00% | +225,938 | New |
| Geode Capital Management, LLC | 294,459 | $120.2K | 0.00% | +275,201+1,429.0% | Added |
| Vanguard Capital Management LLC | 451,875 | $184.4K | 0.00% | +451,875 | New |
| Scientech Research LLC | 0 | $0 | 0.00% | −54,745−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −26,016−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −11,767−100.0% | Sold out |
| Bank of Montreal | 0 | $0 | 0.00% | −10,834−100.0% | Sold out |
| Advisory Services Network, LLC | 0 | $0 | 0.00% | −10,000−100.0% | Sold out |
| Wolff Wiese Magana LLC | 0 | $0 | 0.00% | −5,000−100.0% | Sold out |
| Citigroup Inc | 0 | $0 | 0.00% | −2,781−100.0% | Sold out |
| Spire Wealth Management | 0 | $0 | 0.00% | −994−100.0% | Sold out |
| SWAN Capital LLC | 0 | $0 | 0.00% | −1,000−100.0% | Sold out |
| Bank of America Corp | 0 | $0 | 0.00% | −24−100.0% | Sold out |
| CIBC Private Wealth Group, LLC | – | – | – | – | Not filed |