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GT BIOPHARMA (GTBP)
NASDAQ
$0.29+$0.0004 (+0.14%)
Price as of Aug 21, 2026 7:25 PM EDT- $12.8MMarket Cap
- -74.00%1-Year Change
- BiotechnologyIndustry
GT BIOPHARMA (GTBP)
$0.29+$0.0004 (+0.14%)
Top Holders
Institutional
Mutual Funds
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
VANGUARD CAPITAL MANAGEMENT LLC | 1.19% | 376,399 | -75,476 (-20.05%) | Jun 30, 2026 |
GEODE CAPITAL MANAGEMENT, LLC | 0.85% | 266,788 | -27,671 (-10.37%) | Jun 30, 2026 |
VANGUARD FIDUCIARY TRUST CO | 0.72% | 225,938 | 0 (0.00%) | Jun 30, 2026 |
TWO SIGMA INVESTMENTS LLC | 0.57% | 180,100 | +17,277 (+9.59%) | Dec 31, 2021 |
TWO SIGMA ADVISERS, LLC | 0.38% | 119,900 | +68,800 (+57.38%) | Dec 31, 2021 |
HRT FINANCIAL LP | 0.34% | 107,140 | +107,140 (+100.00%) | Jun 30, 2026 |
EVERHART FINANCIAL GROUP, INC. | 0.32% | 100,000 | +100,000 (+100.00%) | Jun 30, 2026 |
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
VANGUARD INDEX FUNDS | 4.43% | 1.4M | 0 (0.00%) | Mar 31, 2026 |
FIDELITY CONCORD STREET TRUST | 1.03% | 324,587 | 0 (0.00%) | May 31, 2026 |
FIDELITY SALEM STREET TRUST | 0.43% | 135,548 | 0 (0.00%) | May 31, 2026 |
iSHARES TRUST | 0.21% | 64,979 | 0 (0.00%) | May 31, 2026 |
VANGUARD SCOTTSDALE FUNDS | 0.19% | 59,063 | 0 (0.00%) | May 31, 2026 |
TIAA-CREF FUNDS | 0.17% | 52,685 | 0 (0.00%) | Apr 30, 2026 |
QUANTITATIVE MASTER SERIES LLC | 0.11% | 34,934 | 0 (0.00%) | Mar 31, 2026 |
Current Ownership Distribution
- Insiders70.5M (52.42%)
- Institutions41.9M (31.13%)
- Mutual Funds22.1M (16.45%)
- Other0 (0.00%)
Insider Transactions
- 52.42% (70.5M)Current InsiderOwnership (%, shares)
- 0Number of InsiderBuying (last 12 months)
- $0.00Amount of InsiderBuying (last 12 months)
- 0Number of InsiderSelling (last 12 months)
- $0.00Amount of InsiderSelling (last 12 months)
Insider Name & Title | Type | Date
| Transaction Value | Shares | Share Price | Shares After Transactions |
|---|---|---|---|---|---|---|
Mun-Gavin David C. | Award | Sep 04, 2025 | $0.00 | 31,250 | $0.00 | 31,250 |
Breen Michael Martin CEO and Director | Award | Sep 04, 2025 | $0.00 | 100,000 | $0.00 | 100,000 |
Kramer Hilary | Award | Sep 04, 2025 | $0.00 | 31,250 | $0.00 | 31,250 |
URBAN ALAN LOUIS Chief Financial Officer | Award | Sep 04, 2025 | $0.00 | 50,000 | $0.00 | 50,000 |
CASAMENTO CHARLES J | Award | Sep 04, 2025 | $0.00 | 62,500 | $0.00 | 62,500 |
Breen Michael Martin CEO and Director | Award | Sep 04, 2025 | $0.00 | 100,000 | $0.00 | 100,000 |
URBAN ALAN LOUIS Chief Financial Officer | Award | Sep 04, 2025 | $0.00 | 50,000 | $0.00 | 50,000 |
Breen Michael Martin CEO and Director | Award | Sep 04, 2025 | $0.00 | 100,000 | $0.00 | 100,000 |
URBAN ALAN LOUIS Chief Financial Officer | Award | Oct 17, 2024 | $0.00 | 23,335 | $0.00 | 23,335 |