Xilio Therapeutics, Inc. - XLO
Detailed investor-level table based on 13F positions.
Methodology:
Market value and % of portfolio use SEC reported VALUE ($000).
For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received.
Details.
Rows: 0
| Investor | History | Status | Shares held | Market value ($000) | % of portfolio | Previous % | Rank | Change in shares | % change in shares | Source | Date reported |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Bain Capital Life Sciences Investors, LLC | History | No change | 664,021 | 6,361 | 0.38% | 0.5% | 1 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| GILEAD SCIENCES, INC. | History | No change | 650,389 | 6,230 | 0.38% | 0.26% | 2 | 0 | 0.0% | Q2 2026 | Aug 03, 2026 |
| ORBIMED ADVISORS LLC | History | New | 592,300 | 5,674 | 0.11% | — | 3 | +592,300 | New | Q2 2026 | Aug 14, 2026 |
| Frazier Life Sciences Management, L.P. | History | No change | 422,505 | 4,047 | 0.09% | 0.09% | 4 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| Stonepine Capital Management, LLC | History | Added to | 225,994 | 2,165 | 1.22% | 0.22% | 5 | +161,832 | 252.22% | Q2 2026 | Aug 17, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | History | Added to | 178,517 | 1,710 | 0.0% | 0.0% | 6 | +54,857 | 44.36% | Q2 2026 | Aug 13, 2026 |
| Sio Capital Management, LLC | History | No change | 152,464 | 1,460 | 0.24% | 0.18% | 7 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | History | New | 111,541 | 1,068 | 0.0% | — | 8 | +111,541 | New | Q2 2026 | Aug 14, 2026 |
| Merck & Co., Inc. | History | No change | 105,982 | 1,015 | 0.19% | 0.25% | 9 | 0 | 0.0% | Q2 2026 | Aug 07, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | History | Added to | 64,153 | 614 | 0.0% | 0.0% | 10 | +14,587 | 29.43% | Q2 2026 | Aug 13, 2026 |
| MORGAN STANLEY | History | Reduced | 56,954 | 545 | 0.0% | 0.0% | 11 | -539 | -0.94% | Q2 2026 | Aug 13, 2026 |
| AJU IB Investment Co., Ltd. | History | No change | 47,695 | 401 | 1.31% | 1.31% | 12 | 0 | 0.0% | Q1 2026 | May 08, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | History | Added to | 39,055 | 374 | 0.0% | 0.0% | 13 | +1,858 | 5.0% | Q2 2026 | Aug 12, 2026 |
| CITADEL ADVISORS LLC | History | New | 25,950 | 248 | 0.0% | — | 14 | +25,950 | New | Q2 2026 | Sep 02, 2026 |
| VANGUARD FIDUCIARY TRUST CO | History | Reduced | 22,594 | 216 | 0.0% | 0.0% | 15 | -5,881 | -20.65% | Q2 2026 | Aug 13, 2026 |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | History | New | 17,544 | 168 | 0.0% | — | 16 | +17,544 | New | Q2 2026 | Aug 14, 2026 |
| TWO SIGMA INVESTMENTS, LP | History | New | 14,544 | 139 | 0.0% | — | 17 | +14,544 | New | Q2 2026 | Aug 14, 2026 |
| Velan Capital Investment Management LP | History | No change | 14,285 | 136 | 0.08% | 0.08% | 18 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| GSA CAPITAL PARTNERS LLP | History | Reduced | 13,590 | 130 | 0.01% | 0.01% | 19 | -3,356 | -19.8% | Q2 2026 | Aug 06, 2026 |
| STATE STREET CORP | History | No change | 13,311 | 127 | 0.0% | 0.0% | 20 | 0 | 0.0% | Q2 2026 | Sep 22, 2026 |
| PRELUDE CAPITAL MANAGEMENT, LLC | History | New | 11,600 | 111 | 0.01% | — | 21 | +11,600 | New | Q2 2026 | Aug 14, 2026 |
| BlackRock, Inc. | History | New | 8,757 | 83 | 0.0% | — | 22 | +8,757 | New | Q2 2026 | Aug 07, 2026 |
| CWM, LLC | History | No change | 4,206 | 35 | 0.0% | 0.0% | 23 | 0 | 0.0% | Q1 2026 | May 14, 2026 |
| Steward Partners Investment Advisory, LLC | History | New | 714 | 6 | 0.0% | — | 24 | +714 | New | Q2 2026 | Aug 13, 2026 |
| SECURITY NATIONAL BANK OF SIOUX CITY IOWA /IA/ | History | New | 321 | 3 | 0.0% | — | 25 | +321 | New | Q2 2026 | Sep 18, 2026 |
| BARCLAYS PLC | History | New | 115 | 1 | 0.0% | — | 26 | +115 | New | Q2 2026 | Aug 14, 2026 |
| Caligan Partners LP | History | Closed out | 0 | 0 | — | 0.06% | — | -112,128 | -100.0% | Q2 2026 | Aug 14, 2026 |
| FMR LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -36,558 | -100.0% | Q2 2026 | Aug 13, 2026 |
| Ghisallo Capital Management LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -13,800 | -100.0% | Q2 2026 | Aug 14, 2026 |
| UBS Group AG | History | Reduced | 14 | 0 | — | 0.0% | — | -4,024 | -99.65% | Q2 2026 | Aug 13, 2026 |
| JPMORGAN CHASE & CO | History | Closed out | 0 | 0 | — | 0.0% | — | -240 | -100.0% | Q2 2026 | Aug 12, 2026 |
| Vanguard Global Advisers, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -210 | -100.0% | Q2 2026 | Aug 13, 2026 |
| ROYAL BANK OF CANADA | History | Closed out | 0 | 0 | — | 0.0% | — | -91 | -100.0% | Q2 2026 | Aug 14, 2026 |
| JONES FINANCIAL COMPANIES LLLP | History | New | 29 | 0 | — | — | — | +29 | New | Q2 2026 | Aug 14, 2026 |
| Key FInancial Inc | History | No change | 59 | 0 | — | — | — | 0 | 0.0% | Q2 2026 | Jul 24, 2026 |