XLO · Company research
Xilio Therapeutics, Inc. Common Stock (XLO): Ownership & Institutional Holders
Reported institutional positions. Filing dates and sources matter.
RESEARCH CONTEXT
Understand the numbers
Reported institutional positions. Filing dates and sources matter. Use period, currency, units and source fields when interpreting values.
37records availableHealthcare
Ownership & Institutional Holders data
Database-backed records only
| holder name | cik | period end | shares held | market value | ownership percent | shares change | shares change percent | filing date | data source |
|---|---|---|---|---|---|---|---|---|---|
| BARCLAYS PLC | 312069 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 115 | 1102 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Bain Capital Life Sciences Investors, LLC | 1703031 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 664021 | 6361322 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Velan Capital Investment Management LP | 1848809 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 14285 | 136850 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Steward Partners Investment Advisory, LLC | 1723397 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 714 | 6840 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| RENAISSANCE TECHNOLOGIES LLC | 1037389 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 64153 | 614586 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| STATE STREET CORP | 93751 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 13311 | 127519 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| Key Financial Inc | 1801720 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 59 | 565 | — | — | — | Jul 24, 2026 | SEC_13F_DATASET |
| Stonepine Capital Management, LLC | 1440771 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 225994 | 2165023 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Merck & Co., Inc. | 310158 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 105982 | 1015308 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| Frazier Life Sciences Management, L.P. | 1892134 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 422505 | 4047598 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| GSA CAPITAL PARTNERS LLP | 1362033 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 13590 | 130 | — | — | — | Aug 6, 2026 | SEC_13F_DATASET |
| CITADEL ADVISORS LLC | 1423053 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 25950 | 248601 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| ORBIMED ADVISORS LLC | 1055951 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 592300 | 5674234 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| VANGUARD FIDUCIARY TRUST CO | 933478 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 22594 | 216451 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 178517 | 1710193 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| TWO SIGMA INVESTMENTS, LP | 1179392 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 14544 | 139332 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Sio Capital Management, LLC | 1482416 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 152464 | 1460605 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| BlackRock, Inc. | 2012383 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 8219 | 78738 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| PRELUDE CAPITAL MANAGEMENT, LLC | 1387508 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 11600 | 111128 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| GEODE CAPITAL MANAGEMENT, LLC | 1214717 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 32523 | 311598 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| GILEAD SCIENCES, INC. | 882095 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 650389 | 6230727 | — | — | — | Aug 3, 2026 | SEC_13F_DATASET |
| JONES FINANCIAL COMPANIES LLLP | 815917 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 29 | 262 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 1107261 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 17544 | 168072 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | 1165408 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 111541 | 1068563 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| MORGAN STANLEY | 895421 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 56954 | 545619 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| State Street Corporation | 93751 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 13311 | 127519000 | — | — | — | Sep 22, 2026 | SEC_13F_HR |
| Blackrock, Inc. | 2012383 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 538 | 5154000 | — | — | — | Aug 7, 2026 | SEC_13F_HR |
| Gilead Sciences Inc | 882095 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 650389 | 6230727000 | — | — | — | Aug 3, 2026 | SEC_13F_HR |
| UBS Group AG | 1610520 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 14 | 134 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| State Street Corporation | 93751 | Tue Mar 31 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 13311 | 111946000 | — | — | — | May 15, 2026 | SEC_13F_HR |
| Northern Trust Corp | 73124 | Wed Dec 31 2025 00:00:00 GMT+0000 (Coordinated Universal Time) | 66609 | 42643000 | — | — | — | Feb 17, 2026 | SEC_13F_HR |
| State Street Corporation | 93751 | Wed Dec 31 2025 00:00:00 GMT+0000 (Coordinated Universal Time) | 186390 | 119327000 | — | — | — | Feb 13, 2026 | SEC_13F_HR |
| Blackrock, Inc. | 2012383 | Wed Dec 31 2025 00:00:00 GMT+0000 (Coordinated Universal Time) | 2037 | 1304000 | — | — | — | Feb 12, 2026 | SEC_13F_HR |
| State Street Corporation | 93751 | Tue Sep 30 2025 00:00:00 GMT+0000 (Coordinated Universal Time) | 163890 | 138110000 | — | — | — | Nov 14, 2025 | SEC_13F_HR |
| Merck & Co., Inc. | 310158 | Tue Sep 30 2025 00:00:00 GMT+0000 (Coordinated Universal Time) | 1483758 | 1250363000 | — | — | — | Nov 12, 2025 | SEC_13F_HR |
| Blackrock, Inc. | 2012383 | Tue Sep 30 2025 00:00:00 GMT+0000 (Coordinated Universal Time) | 2037 | 1717000 | — | — | — | Nov 12, 2025 | SEC_13F_HR |
| Citigroup Inc. | 831001 | Tue Sep 30 2025 00:00:00 GMT+0000 (Coordinated Universal Time) | 258 | 217000 | — | — | — | Nov 10, 2025 | SEC_13F_HR |
Informational research only, not financial advice. Forecasts are uncertain and can be wrong.