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 |
|---|---|---|---|---|---|
| Tradewinds Capital Management, LLC | 26 | $0 | 0.00% | 00.0% | Unchanged |
| FMR LLC | 27 | $0 | 0.00% | +27 | New |
| American Portfolios Advisors | 14 | $217 | 0.00% | 00.0% | Unchanged |
| Retirement Group, LLC | 44 | $1.00K | 0.00% | 00.0% | Unchanged |
| Simplex Trading, LLC | 67 | $1.00K | 0.00% | +67 | New |
| 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 |
| Tower Research Capital LLC (TRC) | 275 | $4.00K | 0.00% | −1,075−79.6% | Reduced |
| Focused Wealth Management, Inc | 300 | $5.00K | 0.00% | +300 | New |
| Wells Fargo & Company | 400 | $6.00K | 0.00% | +281+236.1% | Added |
| Hartford Financial Management Inc. | 500 | $8.00K | 0.00% | +500 | New |
| Coastal Capital Group, Inc. | 549 | $9.00K | 0.00% | 00.0% | Unchanged |
| Rockefeller Capital Management L.P. | 1,700 | $26.0K | 0.00% | −300−15.0% | Reduced |
| Ameritas Investment Partners, Inc. | 1,870 | $29.0K | 0.00% | +1,870 | New |
| Dorsey Wright & Associates | 2,426 | $38.0K | 0.01% | +2,426 | New |
| Legal & General Group Plc | 2,524 | $39.0K | 0.00% | +2,524 | New |
| Optiver Holding B.V. | 2,578 | $40.0K | 0.01% | +2,578 | New |
| Advisor Group Holdings, Inc. | 2,943 | $45.0K | 0.00% | +1,530+108.3% | Added |
| UBS Group AG | 3,103 | $48.0K | 0.00% | −815−20.8% | Reduced |
| Royal Bank of Canada | 3,590 | $55.0K | 0.00% | −20,952−85.4% | Reduced |
| Citigroup Inc | 6,134 | $95.0K | 0.00% | +6,134 | New |
| Bank of America Corp | 8,062 | $125.0K | 0.00% | +8,062 | New |
| Metropolitan Life Insurance Co | 8,782 | $136.1K | 0.00% | +8,782 | New |
| JPMorgan Chase & Co | 9,155 | $142.0K | 0.00% | +9,155 | New |
| Invesco Ltd. | 10,773 | $167.0K | 0.00% | +10,773 | New |
| MetLife Investment Management | 11,471 | $177.8K | 0.00% | +11,471 | New |
| American International Group, Inc. | 13,363 | $207.0K | 0.00% | +13,363 | New |
| Manufacturers Life Insurance Company, The | 13,758 | $213.0K | 0.00% | +13,758 | New |
| Two Sigma Advisers, LP | 14,900 | $231.0K | 0.00% | +14,900 | New |
| Compagnie Lombard Odier SCmA | 15,000 | $233.0K | 0.01% | +15,000 | New |
| Deutsche Bank AG | 15,349 | $237.0K | 0.00% | +15,349 | New |
| D. E. Shaw & Co., Inc. | 17,742 | $275.0K | 0.00% | +17,742 | New |
| Rhumbline Advisers | 18,634 | $289.0K | 0.00% | +18,634 | New |
| New York State Common Retirement Fund | 20,400 | $316.0K | 0.00% | +20,400 | New |
| Conway Capital Management, Inc. | 20,500 | $317.8K | 0.22% | +1,500+7.9% | Added |
| Marshall Wace, LLP | 25,792 | $400.0K | 0.00% | +25,792 | New |
| California State Teachers Retirement System | 32,878 | $510.0K | 0.00% | +32,878 | New |
| Morgan Stanley | 34,840 | $540.0K | 0.00% | +32,232+1,235.9% | Added |
| Davy Global Fund Management Ltd | 35,113 | $544.0K | 0.08% | +8,792+33.4% | Added |
| Charles Schwab Investment Management Inc | 57,993 | $899.0K | 0.00% | +57,993 | New |
| Bank of New York Mellon Corp | 58,711 | $910.0K | 0.00% | +58,711 | New |
| Nuveen Asset Management, LLC | 82,151 | $1.27M | 0.00% | +82,151 | New |
| Silverleafe Capital Partners, LLC | 104,000 | $1.61M | 0.63% | +104,000 | New |
| Northern Trust Corp | 225,457 | $3.50M | 0.00% | +191,070+555.6% | Added |
| Geode Capital Management, LLC | 346,606 | $5.37M | 0.00% | +216,218+165.8% | Added |
| State Street Corp | 374,704 | $5.81M | 0.00% | +374,704 | New |
| Citadel Advisors LLC | 510,058 | $7.91M | 0.01% | +510,058 | New |
| Vanguard Group Inc | 982,269 | $15.2M | 0.00% | +714,605+267.0% | Added |
| BlackRock Inc. | 1,413,391 | $21.9M | 0.00% | +1,413,391 | 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 |