GTBP Institutional Ownership
Top institutional (13F) holders of GTBP and 5%+ (13D/G) positions, sourced from SEC EDGAR.
Institutional owners
11
Institutional value
$342K
Top holder
Vanguard Capital Management
Top holders
| Holder | Stake | Filed | Value |
|---|---|---|---|
| Vanguard Capital Managementinvestment advisor | 0.8% | Aug 13, 2026 | $184.4K |
| GEODE CAPITAL MANAGEMENT, LLCinvestment advisor | 0.0% | Nov 6, 2026 | $66.2K |
| NORTHERN TRUST CORPinvestment advisor | 0.2% | Aug 13, 2026 | $37K |
| CITADEL ADVISORS LLCinvestment advisor | 0.1% | May 15, 2026 | $27K |
| MORGAN STANLEYholding company | 0.1% | Aug 13, 2026 | $11.1K |
| WELLS FARGO & COMPANY/MNinvestment advisor | 0.0% | Aug 14, 2026 | $7.8K |
| BlackRock, Inc.holding company | 0.0% | Aug 7, 2026 | $4.1K |
| ROYAL BANK OF CANADAholding company | 0.0% | Aug 14, 2026 | $4K |
| FMR LLCinvestment advisor | 0.0% | May 15, 2026 | $408 |
| UBS Group AGbank | 0.0% | Aug 13, 2026 | $1 |
| JPMORGAN CHASE & COholding company | 0.0% | Aug 12, 2026 | $0 |
5%+ holders
Current stakes of 5% or more from Schedule 13D and 13G filings. A joint filing shows once, under its lead filer.
| Holder | Form | Stake | Filed |
|---|---|---|---|
| Five Narrow Lane LPother | SC 13G | 10.0% | May 14, 2025 |
| CYTOVANCE BIOLOGICS INCholding company | SC 13G/A | 9.8% | Oct 17, 2024 |
| RainForest Partners, LLCholding company | SC 13G | 10.0% | Sep 16, 2026 |
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Source: SEC EDGAR Schedule 13D / 13G and 13F filings.