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 | Reduced | 664,021 | 5,584 | 0.5% | 0.36% | 1 | -6,708,665 | -90.99% | Q1 2026 | May 15, 2026 |
| GILEAD SCIENCES, INC. | History | Reduced | 650,389 | 5,469 | 0.26% | 0.3% | 2 | -8,455,062 | -92.86% | Q1 2026 | May 08, 2026 |
| Frazier Life Sciences Management, L.P. | History | Reduced | 422,505 | 3,553 | 0.09% | 0.1% | 3 | -5,492,586 | -92.86% | Q1 2026 | May 15, 2026 |
| Sio Capital Management, LLC | History | Reduced | 152,464 | 1,282 | 0.18% | 0.21% | 4 | -1,982,073 | -92.86% | Q1 2026 | May 14, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | History | New | 123,660 | 1,039 | 0.0% | — | 5 | +123,660 | New | Q1 2026 | May 15, 2026 |
| Caligan Partners LP | History | New | 112,128 | 942 | 0.06% | — | 6 | +112,128 | New | Q1 2026 | May 15, 2026 |
| Merck & Co., Inc. | History | Reduced | 105,982 | 891 | 0.25% | 0.34% | 7 | -1,377,776 | -92.86% | Q1 2026 | May 13, 2026 |
| VANGUARD GROUP INC | History | No change | 1,255,692 | 803 | 0.0% | 0.0% | 8 | 0 | 0.0% | Q4 2025 | Jan 29, 2026 |
| Stonepine Capital Management, LLC | History | Reduced | 64,162 | 539 | 0.22% | 0.06% | 9 | -62,108 | -49.19% | Q1 2026 | May 14, 2026 |
| MORGAN STANLEY | History | Reduced | 57,493 | 483 | 0.0% | 0.0% | 10 | -782,357 | -93.15% | Q1 2026 | May 15, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | History | Reduced | 49,566 | 416 | 0.0% | 0.0% | 11 | -294,850 | -85.61% | Q1 2026 | May 14, 2026 |
| AJU IB Investment Co., Ltd. | History | Reduced | 47,695 | 401 | 1.31% | 1.87% | 12 | -620,047 | -92.86% | Q1 2026 | May 08, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | History | Reduced | 37,197 | 312 | 0.0% | 0.0% | 13 | -291,775 | -88.69% | Q1 2026 | May 15, 2026 |
| FMR LLC | History | Reduced | 36,558 | 307 | 0.0% | 0.0% | 14 | -475,262 | -92.86% | Q1 2026 | May 15, 2026 |
| VANGUARD FIDUCIARY TRUST CO | History | New | 28,475 | 239 | 0.0% | — | 15 | +28,475 | New | Q1 2026 | May 08, 2026 |
| GSA CAPITAL PARTNERS LLP | History | Reduced | 16,946 | 143 | 0.01% | 0.01% | 16 | -131,020 | -88.55% | Q1 2026 | May 08, 2026 |
| Velan Capital Investment Management LP | History | Reduced | 14,285 | 120 | 0.08% | 0.06% | 17 | -155,715 | -91.6% | Q1 2026 | May 15, 2026 |
| Ghisallo Capital Management LLC | History | Reduced | 13,800 | 116 | 0.0% | 0.03% | 18 | -1,099,422 | -98.76% | Q1 2026 | May 15, 2026 |
| STATE STREET CORP | History | Reduced | 13,311 | 111 | 0.0% | 0.0% | 19 | -173,079 | -92.86% | Q1 2026 | May 15, 2026 |
| CWM, LLC | History | New | 4,206 | 35 | 0.0% | — | 20 | +4,206 | New | Q1 2026 | May 14, 2026 |
| UBS Group AG | History | Added to | 4,038 | 33 | 0.0% | — | 21 | +3,835 | 1889.16% | Q1 2026 | May 05, 2026 |
| JPMORGAN CHASE & CO | History | New | 240 | 1 | 0.0% | — | 22 | +240 | New | Q1 2026 | May 13, 2026 |
| Vanguard Global Advisers, LLC | History | New | 210 | 1 | 0.0% | — | 24 | +210 | New | Q1 2026 | May 08, 2026 |
| ROYAL BANK OF CANADA | History | New | 91 | 1 | 0.0% | — | 23 | +91 | New | Q1 2026 | May 15, 2026 |
| Point72 Asset Management, L.P. | History | Closed out | 0 | 0 | — | 0.0% | — | -4,000,000 | -100.0% | Q1 2026 | May 15, 2026 |
| STEMPOINT CAPITAL LP | History | Closed out | 0 | 0 | — | 0.22% | — | -2,030,028 | -100.0% | Q1 2026 | May 15, 2026 |
| Empery Asset Management, LP | History | Closed out | 0 | 0 | — | 0.67% | — | -1,183,040 | -100.0% | Q1 2026 | May 08, 2026 |
| CITADEL ADVISORS LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -436,216 | -100.0% | Q1 2026 | May 15, 2026 |
| NORTHERN TRUST CORP | History | Closed out | 0 | 0 | — | 0.0% | — | -66,609 | -100.0% | Q1 2026 | May 14, 2026 |
| TWO SIGMA INVESTMENTS, LP | History | Closed out | 0 | 0 | — | 0.0% | — | -62,032 | -100.0% | Q1 2026 | May 15, 2026 |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -56,081 | -100.0% | Q1 2026 | May 15, 2026 |
| JANE STREET GROUP, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -42,080 | -100.0% | Q1 2026 | May 12, 2026 |
| HRT FINANCIAL LP | History | Closed out | 0 | 0 | — | 0.0% | — | -31,886 | -100.0% | Q1 2026 | May 14, 2026 |
| Mariner, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -25,000 | -100.0% | Q1 2026 | May 13, 2026 |
| LPL Financial LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -21,000 | -100.0% | Q1 2026 | May 06, 2026 |
| RAYMOND JAMES FINANCIAL INC | History | Closed out | 0 | 0 | — | 0.0% | — | -18,761 | -100.0% | Q1 2026 | May 14, 2026 |
| XTX Topco Ltd | History | Closed out | 0 | 0 | — | 0.0% | — | -17,304 | -100.0% | Q1 2026 | May 15, 2026 |
| Dunhill Financial, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -10,274 | -100.0% | Q1 2026 | May 06, 2026 |
| INVESTORS ASSET MANAGEMENT OF GEORGIA INC /GA/ /ADV | History | Closed out | 0 | 0 | — | 0.0% | — | -10,000 | -100.0% | Q1 2026 | Apr 27, 2026 |
| Pinnacle Financial Group, LLC / IL | History | Closed out | 0 | 0 | — | 0.0% | — | -10,000 | -100.0% | Q1 2026 | May 13, 2026 |
| BlackRock, Inc. | History | Closed out | 0 | 0 | — | 0.0% | — | -2,037 | -100.0% | Q1 2026 | May 13, 2026 |
| Key FInancial Inc | History | Reduced | 59 | 0 | — | — | — | -771 | -92.89% | Q1 2026 | Apr 24, 2026 |
| Private Wealth Management Group, LLC | History | Closed out | 0 | 0 | — | — | — | -310 | -100.0% | Q1 2026 | Apr 23, 2026 |
| BANK OF AMERICA CORP /DE/ | History | Closed out | 0 | 0 | — | — | — | -261 | -100.0% | Q1 2026 | May 15, 2026 |