Xilio TherapeuticsXLO
13F holders, Q3 2024 (September 30)At the end of Q3 2024, 33 institutions reported holding Xilio Therapeutics Inc. (XLO) in their 13F filings, up 1 from Q2 2024. 5 opened new positions and 4 sold out. The largest holders were Bain Capital Life Sciences Investors, LLC ($3.6M), Rock Springs Capital Management LP ($2.4M) and Morgan Stanley ($1.2M). 2 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and Israel Englander (0.0% of Millennium Management's portfolio).
- Company
- Xilio Therapeutics Inc.
- CUSIP
- 98422T100
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q2 2024 → Q3 2024
| Institutions | Total Value | |
|---|---|---|
| New Positions | 5 | $70K |
| Exits | 4 | $13K |
All 13F filers, Q2 2024 → Q3 2024: 1,491,415 shares bought and 56,865 shares sold, net +1,434,550 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 33 holders
| Bain Capital Life Sciences Investors, LLC | 0.37% | Add +20.6% | 4,566,817 | $3.6M |
| Rock Springs Capital Management LP | 0.08% | No change | 3,003,259 | $2.4M |
| Morgan Stanley | 0.00% | Add +36.8% | 1,522,102 | $1.2M |
| Takeda Pharmaceutical Co. Ltd. | 3.06% | No change | 1,475,121 | $1.2M |
| RiverVest Venture Management LLC | 16.60% | No change | 1,441,444 | $1.1M |
| FMR LLC | 0.00% | No change | 1,395,853 | $1.1M |
| Vanguard Group Inc. | 0.00% | No change | 902,531 | $711K |
| Geode Capital Management, LLC | 0.00% | Add +85.0% | 338,192 | $266K |
| Balyasny Asset Management L.P. | 0.00% | No change | 272,486 | $215K |
| Renaissance Technologies | 0.00% | Reduce -9.7% | 266,300 | $210K |
| FIL Ltd | 0.00% | No change | 218,705 | $172K |
| BlackRock, Inc. | 0.00% | — | 75,624 | $60K |
| Bridgeway Capital Management, LLC | 0.00% | No change | 71,081 | $56K |
| SevenBridge Financial Group, LLC | 0.01% | No change | 41,000 | $45K |
| Two Sigma Securities, LLC | 0.00% | Add +234.9% | 44,445 | $35K |
| State Street Corp. | 0.00% | No change | 43,390 | $34K |
| Northern Trust Corp. | 0.00% | No change | 39,208 | $31K |
| Raymond James & Associates | 0.00% | No change | 38,825 | $31K |
| Engineers Gate Manager LP | 0.00% | New | 32,752 | $26K |
| Mariner, LLC | 0.00% | New | 25,317 | $20K |
| XTX Topco Ltd | 0.00% | Reduce -28.3% | 23,862 | $19K |
| Millennium Management | 0.00% | Add +69.2% | 20,655 | $16K |
| Avantax Planning Partners, Inc. | 0.00% | Reduce -18.1% | 20,483 | $16K |
| Steward Partners Investment Advisory, LLC | 0.00% | New | 20,000 | $16K |
| UBS Group AG | 0.00% | Add +7727.4% | 15,733 | $12K |
| Two Sigma Investments, LP | 0.00% | New | 10,389 | $8K |
| Dunhill Financial, LLC | 0.00% | No change | 10,274 | $8K |
| Pinnacle Financial Group, LLC / IL | 0.00% | No change | 10,000 | $8K |
| Tower Research Capital LLC (TRC) | 0.00% | Add +33.5% | 5,616 | $4K |
| Key Financial Inc | 0.00% | No change | 830 | $654 |
| Private Wealth Management Group, LLC | 0.00% | New | 310 | $245 |
| Bank of America Corp. | 0.00% | Reduce -61.6% | 266 | $209 |
| JPMorgan Chase & Co. | 0.00% | Add +27.1% | 75 | $59 |
"% of holder's portfolio" is XLO's weight in each manager's 13F, not the share of Xilio Therapeutics Inc. the manager owns.