Instil BioTIL
13F holders, Q4 2025 (December 31)At the end of Q4 2025, 28 institutions reported holding Instil Bio Inc. (TIL) in their 13F filings, down 5 from Q3 2025. 5 opened new positions and 11 sold out. The largest holders were BML Capital Management, LLC ($7.1M), CPMG Inc ($4.5M) and Vivo Capital, LLC ($3.2M). 3 famous investors held it, including Israel Englander (0.0% of Millennium Management's portfolio), Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Instil Bio Inc.
- CUSIP
- 45783C200
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 5 | $1.6M |
| Exits | 11 | $6.4M |
All 13F filers, Q3 2025 → Q4 2025: 249,396 shares bought and 410,860 shares sold, net −161,464 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 28 holders
| BML Capital Management, LLC | 6.29% | No change | 645,600 | $7.1M |
| CPMG Inc | 18.33% | No change | 410,922 | $4.5M |
| Vivo Capital, LLC | 0.21% | No change | 292,743 | $3.2M |
| Millennium Management | 0.00% | Add +23.4% | 242,772 | $2.7M |
| Siren, L.L.C. | 0.07% | No change | 203,933 | $2.2M |
| Vanguard Group Inc. | 0.00% | Add +13.8% | 191,060 | $2.1M |
| Morgan Stanley | 0.00% | Reduce -13.6% | 88,979 | $979K |
| Renaissance Technologies | 0.00% | New | 67,800 | $746K |
| Dimensional Fund Advisors LP | 0.00% | Reduce -24.5% | 61,025 | $671K |
| BlackRock, Inc. | 0.00% | Reduce -17.0% | 51,213 | $563K |
| Nomura Asset Management International Inc. | 0.00% | — | 50,000 | $550K |
| Citadel Advisors | 0.00% | New | 47,335 | $521K |
| Geode Capital Management, LLC | 0.00% | Add +0.9% | 42,706 | $470K |
| AlphaQuest LLC | 0.02% | Add +152.8% | 37,279 | $410K |
| LPL Financial LLC | 0.00% | Reduce -1.8% | 33,080 | $364K |
| Quadrature Capital Ltd | 0.00% | New | 19,198 | $211K |
| State Street Corp. | 0.00% | No change | 17,595 | $194K |
| Americana Partners, LLC | 0.00% | Add +51.5% | 16,176 | $178K |
| XTX Topco Ltd | 0.00% | New | 12,267 | $135K |
| Barclays PLC | 0.00% | Add +65.0% | 10,145 | $112K |
| Royal Bank of Canada | 0.00% | Add +378.3% | 1,368 | $15K |
| UBS Group AG | 0.00% | Reduce -93.6% | 359 | $4K |
| Rhumbline Advisers | 0.00% | No change | 114 | $1K |
| Farther Finance Advisors, LLC | 0.00% | Reduce -36.9% | 70 | $770 |
| Eq Wealth Advisors, LLC | 0.00% | New | 40 | $440 |
| Frazier Financial Advisors, LLC | 0.00% | No change | 15 | $165 |
| BNP Paribas Financial Markets | 0.00% | Reduce -99.8% | 7 | $77 |
| Bank of America Corp. | 0.00% | Reduce -99.3% | 4 | $44 |
"% of holder's portfolio" is TIL's weight in each manager's 13F, not the share of Instil Bio Inc. the manager owns.