Kyntra BioKYNB
13F holders, Q3 2025 (September 30)At the end of Q3 2025, 32 institutions reported holding Kyntra Bio Inc. (KYNB) in their 13F filings, up 3 from Q2 2025. 4 opened new positions and 1 sold out. The largest holders were Armistice Capital, LLC ($4.6M), Vanguard Group Inc. ($2.3M) and Acadian Asset Management LLC ($1.3M). 2 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Kyntra Bio Inc.
- Filed as
- FIBROGEN INC (Q3 2025)
- CUSIP
- 31572Q881
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q2 2025 → Q3 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 4 | $653K |
| Exits | 1 | $3K |
All 13F filers, Q2 2025 → Q3 2025: 152,548 shares bought and 65,338 shares sold, net +87,210 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 32 holders
| Armistice Capital, LLC | 0.15% | Add +12.5% | 378,000 | $4.6M |
| Vanguard Group Inc. | 0.00% | Add +3.5% | 184,244 | $2.3M |
| Acadian Asset Management LLC | 0.00% | Reduce -20.7% | 110,281 | $1.3M |
| BlackRock, Inc. | 0.00% | No change | 84,751 | $1.0M |
| Marshall Wace, LLP | 0.00% | Add +0.2% | 72,449 | $888K |
| Primecap Management Co. | 0.00% | Reduce -34.4% | 58,879 | $721K |
| Geode Capital Management, LLC | 0.00% | Reduce -0.8% | 43,682 | $535K |
| Two Sigma Investments, LP | 0.00% | Add +185.0% | 40,218 | $493K |
| HighTower Advisors, LLC | 0.00% | No change | 39,746 | $487K |
| Renaissance Technologies | 0.00% | Add +161.9% | 29,281 | $359K |
| Citadel Advisors | 0.00% | New | 23,517 | $288K |
| State Street Corp. | 0.00% | Add +47.9% | 20,284 | $248K |
| Squarepoint Ops LLC | 0.00% | New | 16,370 | $201K |
| DRW Securities, LLC | 0.01% | New | 11,215 | $137K |
| UBS Group AG | 0.00% | Reduce -15.8% | 8,667 | $106K |
| Group One Trading LLC | 0.00% | Reduce -35.8% | 4,628 | $57K |
| Citigroup Inc. | 0.00% | New | 2,168 | $27K |
| Morgan Stanley | 0.00% | Reduce -6.9% | 1,546 | $19K |
| Osaic Holdings, Inc. | 0.00% | No change | 642 | $8K |
| Bank of America Corp. | 0.00% | Add +34.3% | 595 | $7K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -63.7% | 288 | $4K |
| CIBC Private Wealth Group LLC | 0.00% | No change | 287 | $4K |
| National Bank of Canada | 0.00% | No change | 193 | $2K |
| Royal Bank of Canada | 0.00% | No change | 137 | $2K |
| SBI Securities Co., Ltd. | 0.00% | No change | 152 | $2K |
| BNP Paribas Financial Markets | 0.00% | Add +2.1% | 49 | $600 |
| PNC Financial Services Group, Inc. | 0.00% | No change | 40 | $490 |
| JPMorgan Chase & Co. | 0.00% | No change | 12 | $147 |
| US Bancorp \de | 0.00% | No change | 1 | $12 |
| Danske Bank A/S | 0.00% | No change | 1 | $12 |
| Smithfield Trust Co | 0.00% | No change | 1 | $0 |
| Cwm, LLC | 0.00% | No change | 26 | $0 |
"% of holder's portfolio" is KYNB's weight in each manager's 13F, not the share of Kyntra Bio Inc. the manager owns.