GT BiopharmaGTBP
13F holders, Q4 2025 (December 31)38holders +17
22new positions
5sold out
1famous investor
$0.77avg. 13F price*
At the end of Q4 2025, 38 institutions reported holding GT Biopharma Inc. (GTBP) in their 13F filings, up 17 from Q3 2025. 22 opened new positions and 5 sold out. The largest holders were Citadel Advisors ($63K), Scientech Research LLC ($43K) and SeaCrest Wealth Management, LLC ($37K). One famous investor held it Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- GT Biopharma Inc.
- CUSIP
- 36254L308
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 22 | $237K |
| Exits | 5 | $90K |
All 13F filers, Q3 2025 → Q4 2025: 360,821 shares bought and 252,027 shares sold, net +108,794 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 38 holders
| Citadel Advisors | 0.00% | Add +103.8% | 80,761 | $63K |
| Scientech Research LLC | 0.03% | New | 54,745 | $43K |
| SeaCrest Wealth Management, LLC | 0.00% | New | 50,000 | $37K |
| Jane Street Group, LLC | 0.00% | New | 26,016 | $20K |
| Integrated Wealth Concepts LLC | 0.00% | New | 20,006 | $16K |
| Geode Capital Management, LLC | 0.00% | Reduce -19.6% | 19,258 | $15K |
| Morgan Stanley | 0.00% | Add +32.7% | 18,599 | $15K |
| Coston, McIsaac & Partners | 0.00% | New | 17,092 | $13K |
| Caitlin John, LLC | 0.01% | New | 16,500 | $13K |
| Wells Fargo & Company | 0.00% | Add +60.2% | 16,037 | $13K |
| Am Investment Strategies LLC | 0.00% | New | 15,000 | $12K |
| Cerity Partners LLC | 0.00% | New | 15,000 | $12K |
| Verdence Capital Advisors LLC | 0.00% | New | 13,000 | $10K |
| Two Sigma Securities, LLC | 0.00% | Reduce -26.6% | 12,534 | $10K |
| Prospera Financial Services Inc | 0.00% | New | 11,996 | $9K |
| HRT Financial LP | 0.00% | New | 11,767 | $9K |
| Parsons Capital Management Inc. | 0.00% | New | 10,900 | $9K |
| Bank of Montreal | 0.00% | Reduce -88.3% | 10,834 | $9K |
| LPL Financial LLC | 0.00% | New | 10,632 | $8K |
| Advisory Services Network, LLC | 0.00% | New | 10,000 | $8K |
| BlackRock, Inc. | 0.00% | Reduce -13.6% | 8,409 | $7K |
| HBK Sorce Advisory LLC | 0.00% | New | 10,000 | $5K |
| Wolff Wiese Magana LLC | 0.00% | New | 5,000 | $4K |
| NFSG Corp | 0.00% | No change | 3,750 | $3K |
| Farther Finance Advisors, LLC | 0.00% | New | 3,000 | $2K |
| Citigroup Inc. | 0.00% | New | 2,781 | $2K |
| Osaic Holdings, Inc. | 0.00% | Reduce -60.6% | 2,000 | $2K |
| CIBC Private Wealth Group LLC | 0.00% | New | 2,000 | $2K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -0.2% | 1,701 | $1K |
| Triumph Capital Management | 0.00% | New | 1,655 | $1K |
| SWAN Capital LLC | 0.00% | New | 1,000 | $785 |
| Spire Wealth Management | 0.00% | New | 994 | $785 |
| Bank of America Corp. | 0.00% | No change | 24 | $19 |
| BNP Paribas Financial Markets | 0.00% | No change | 16 | $13 |
| JPMorgan Chase & Co. | 0.00% | No change | 1 | $1 |
| Allworth Financial LP | 0.00% | No change | 1 | $1 |
| UBS Group AG | 0.00% | Reduce -100.0% | 1 | $1 |
| SBI Securities Co., Ltd. | 0.00% | Reduce -80.0% | 1 | $1 |
"% of holder's portfolio" is GTBP's weight in each manager's 13F, not the share of GT Biopharma Inc. the manager owns.