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, Q2 2021
Institutional positions in GT Biopharma, Inc. as of Jun 30, 2021. 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
- 50
- +29 vs. Q1 2021
- Shares held
- 4.51M
- +3.93M (+675.7%) vs. Q1 2021
- Total value
- $69.9M
- +$65.9M (+1,658.5%) vs. Q1 2021
- New holders
- 33
- 9 more added
- Sold out
- 4
- 4 more reduced
Compare with Q1 2021: 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, Q2 2021
Shares, value and share of portfolio for each institution holding GT Biopharma, Inc.; share changes are against Q1 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock Inc. | 1,413,391 | $21.9M | 0.00% | +1,413,391 | New |
| Vanguard Group Inc | 982,269 | $15.2M | 0.00% | +714,605+267.0% | Added |
| Citadel Advisors LLC | 510,058 | $7.91M | 0.01% | +510,058 | New |
| State Street Corp | 374,704 | $5.81M | 0.00% | +374,704 | New |
| Geode Capital Management, LLC | 346,606 | $5.37M | 0.00% | +216,218+165.8% | Added |
| Northern Trust Corp | 225,457 | $3.50M | 0.00% | +191,070+555.6% | Added |
| Silverleafe Capital Partners, LLC | 104,000 | $1.61M | 0.63% | +104,000 | New |
| Nuveen Asset Management, LLC | 82,151 | $1.27M | 0.00% | +82,151 | New |
| Bank of New York Mellon Corp | 58,711 | $910.0K | 0.00% | +58,711 | New |
| Charles Schwab Investment Management Inc | 57,993 | $899.0K | 0.00% | +57,993 | New |
| Davy Global Fund Management Ltd | 35,113 | $544.0K | 0.08% | +8,792+33.4% | Added |
| Morgan Stanley | 34,840 | $540.0K | 0.00% | +32,232+1,235.9% | Added |
| California State Teachers Retirement System | 32,878 | $510.0K | 0.00% | +32,878 | New |
| Marshall Wace, LLP | 25,792 | $400.0K | 0.00% | +25,792 | New |
| Conway Capital Management, Inc. | 20,500 | $317.8K | 0.22% | +1,500+7.9% | Added |
| New York State Common Retirement Fund | 20,400 | $316.0K | 0.00% | +20,400 | New |
| Rhumbline Advisers | 18,634 | $289.0K | 0.00% | +18,634 | New |
| D. E. Shaw & Co., Inc. | 17,742 | $275.0K | 0.00% | +17,742 | New |
| Deutsche Bank AG | 15,349 | $237.0K | 0.00% | +15,349 | New |
| Compagnie Lombard Odier SCmA | 15,000 | $233.0K | 0.01% | +15,000 | New |
| Two Sigma Advisers, LP | 14,900 | $231.0K | 0.00% | +14,900 | New |
| Manufacturers Life Insurance Company, The | 13,758 | $213.0K | 0.00% | +13,758 | New |
| American International Group, Inc. | 13,363 | $207.0K | 0.00% | +13,363 | New |
| MetLife Investment Management | 11,471 | $177.8K | 0.00% | +11,471 | New |
| Invesco Ltd. | 10,773 | $167.0K | 0.00% | +10,773 | New |
| JPMorgan Chase & Co | 9,155 | $142.0K | 0.00% | +9,155 | New |
| Metropolitan Life Insurance Co | 8,782 | $136.1K | 0.00% | +8,782 | New |
| Bank of America Corp | 8,062 | $125.0K | 0.00% | +8,062 | New |
| Citigroup Inc | 6,134 | $95.0K | 0.00% | +6,134 | New |
| Royal Bank of Canada | 3,590 | $55.0K | 0.00% | −20,952−85.4% | Reduced |
| UBS Group AG | 3,103 | $48.0K | 0.00% | −815−20.8% | Reduced |
| Advisor Group Holdings, Inc. | 2,943 | $45.0K | 0.00% | +1,530+108.3% | Added |
| Optiver Holding B.V. | 2,578 | $40.0K | 0.01% | +2,578 | New |
| Legal & General Group Plc | 2,524 | $39.0K | 0.00% | +2,524 | New |
| Dorsey Wright & Associates | 2,426 | $38.0K | 0.01% | +2,426 | New |
| Ameritas Investment Partners, Inc. | 1,870 | $29.0K | 0.00% | +1,870 | New |
| Rockefeller Capital Management L.P. | 1,700 | $26.0K | 0.00% | −300−15.0% | Reduced |
| Coastal Capital Group, Inc. | 549 | $9.00K | 0.00% | 00.0% | Unchanged |
| Hartford Financial Management Inc. | 500 | $8.00K | 0.00% | +500 | New |
| Wells Fargo & Company | 400 | $6.00K | 0.00% | +281+236.1% | Added |
| Focused Wealth Management, Inc | 300 | $5.00K | 0.00% | +300 | New |
| Tower Research Capital LLC (TRC) | 275 | $4.00K | 0.00% | −1,075−79.6% | Reduced |
| Harbour Investments, Inc. | 117 | $2.00K | 0.00% | +100+588.2% | Added |
| Signaturefd, LLC | 150 | $2.00K | 0.00% | +150 | New |
| Advisory Services Network, LLC | 150 | $2.00K | 0.00% | +150 | New |
| Retirement Group, LLC | 44 | $1.00K | 0.00% | 00.0% | Unchanged |
| Simplex Trading, LLC | 67 | $1.00K | 0.00% | +67 | New |
| American Portfolios Advisors | 14 | $217 | 0.00% | 00.0% | Unchanged |
| Tradewinds Capital Management, LLC | 26 | $0 | 0.00% | 00.0% | Unchanged |
| FMR LLC | 27 | $0 | 0.00% | +27 | New |
| Millennium Management LLC | 0 | $0 | 0.00% | −27,895−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −22,741−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −16,543−100.0% | Sold out |
| Steward Partners Investment Advisory, LLC | 0 | $0 | 0.00% | −29−100.0% | Sold out |