Instil BioTIL
13F holders, Q1 2026 (March 31)At the end of Q1 2026, 31 institutions reported holding Instil Bio Inc. (TIL) in their 13F filings, up 3 from Q4 2025. 7 opened new positions and 5 sold out. The largest holders were BML Capital Management, LLC ($5.3M), CPMG Inc ($3.4M) and Vivo Capital, LLC ($2.4M). 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 Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 7 | $1.9M |
| Exits | 5 | $2.5M |
All 13F filers, Q4 2025 → Q1 2026: 252,469 shares bought and 469,008 shares sold, net −216,539 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 31 holders
| BML Capital Management, LLC | 3.42% | No change | 645,600 | $5.3M |
| CPMG Inc | 9.13% | No change | 410,922 | $3.4M |
| Vivo Capital, LLC | 0.20% | No change | 292,743 | $2.4M |
| Kalehua Capital Management LLC | 1.07% | New | 183,030 | $1.5M |
| Vanguard Capital Management LLC | 0.00% | — | 174,583 | $1.4M |
| Millennium Management | 0.00% | Reduce -45.2% | 132,946 | $1.1M |
| Renaissance Technologies | 0.00% | Reduce -12.8% | 59,100 | $487K |
| BlackRock, Inc. | 0.00% | Add +1.6% | 52,018 | $429K |
| Nomura Asset Management International Inc. | 0.00% | No change | 50,000 | $412K |
| Geode Capital Management, LLC | 0.00% | Add +14.8% | 49,011 | $404K |
| Citadel Advisors | 0.00% | Reduce -18.5% | 38,562 | $318K |
| LPL Financial LLC | 0.00% | Reduce -3.1% | 32,063 | $264K |
| XTX Topco Ltd | 0.00% | Add +113.9% | 26,242 | $216K |
| Vanguard Fiduciary Trust Co. | 0.00% | — | 22,625 | $186K |
| Dimensional Fund Advisors LP | 0.00% | Reduce -67.3% | 19,975 | $164K |
| Morgan Stanley | 0.00% | Reduce -77.7% | 19,821 | $163K |
| State Street Corp. | 0.00% | No change | 17,595 | $145K |
| Americana Partners, LLC | 0.00% | No change | 16,176 | $133K |
| Jane Street Group, LLC | 0.00% | New | 11,517 | $95K |
| Prelude Capital Management, LLC | 0.01% | New | 10,300 | $85K |
| Vazirani Asset Management LLC | 0.19% | New | 10,000 | $82K |
| FNY Investment Advisers, LLC | 0.04% | New | 10,000 | $82K |
| UBS Group AG | 0.00% | Add +1676.6% | 6,378 | $53K |
| Barclays PLC | 0.00% | Reduce -59.2% | 4,135 | $34K |
| Vanguard Global Advisers, LLC | 0.00% | — | 1,470 | $12K |
| Bokf, NA | 0.00% | New | 454 | $4K |
| Royal Bank of Canada | 0.00% | Reduce -93.9% | 84 | $1K |
| Rhumbline Advisers | 0.00% | No change | 114 | $939 |
| Farther Finance Advisors, LLC | 0.00% | No change | 70 | $562 |
| Fortitude Family Office, LLC | 0.00% | New | 64 | $527 |
| BNP Paribas Financial Markets | 0.00% | No change | 7 | $58 |
"% of holder's portfolio" is TIL's weight in each manager's 13F, not the share of Instil Bio Inc. the manager owns.