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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| GILEAD SCIENCES, INC. | History | No change | 9,105,451 | 5,829 | 0.3% | 0.43% | 1 | 0 | 0.0% | Q4 2025 | Feb 12, 2026 |
| Bain Capital Life Sciences Investors, LLC | History | Added to | 7,372,686 | 4,719 | 0.36% | 0.26% | 2 | +2,805,869 | 61.44% | Q4 2025 | Feb 17, 2026 |
| Frazier Life Sciences Management, L.P. | History | New | 5,915,091 | 3,786 | 0.1% | — | 3 | +5,915,091 | New | Q4 2025 | Feb 13, 2026 |
| Point72 Asset Management, L.P. | History | New | 4,000,000 | 2,560 | 0.0% | — | 4 | +4,000,000 | New | Q4 2025 | Feb 17, 2026 |
| Sio Capital Management, LLC | History | New | 2,134,537 | 1,366 | 0.21% | — | 5 | +2,134,537 | New | Q4 2025 | Feb 17, 2026 |
| STEMPOINT CAPITAL LP | History | New | 2,030,028 | 1,299 | 0.22% | — | 6 | +2,030,028 | New | Q4 2025 | Feb 17, 2026 |
| Merck & Co., Inc. | History | No change | 1,483,758 | 949 | 0.34% | 0.55% | 7 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| VANGUARD GROUP INC | History | No change | 1,255,692 | 803 | 0.0% | 0.0% | 8 | 0 | 0.0% | Q4 2025 | Jan 29, 2026 |
| Empery Asset Management, LP | History | New | 1,183,040 | 757 | 0.67% | — | 9 | +1,183,040 | New | Q4 2025 | Feb 11, 2026 |
| Ghisallo Capital Management LLC | History | New | 1,113,222 | 712 | 0.03% | — | 10 | +1,113,222 | New | Q4 2025 | Feb 17, 2026 |
| MORGAN STANLEY | History | Reduced | 839,850 | 537 | 0.0% | 0.0% | 11 | -122,067 | -12.69% | Q4 2025 | Feb 13, 2026 |
| AJU IB Investment Co., Ltd. | History | No change | 667,742 | 427 | 1.87% | 0.52% | 12 | 0 | 0.0% | Q4 2025 | Feb 10, 2026 |
| FMR LLC | History | No change | 511,820 | 327 | 0.0% | 0.0% | 13 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| CITADEL ADVISORS LLC | History | New | 436,216 | 279 | 0.0% | — | 14 | +436,216 | New | Q4 2025 | Feb 17, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | History | Added to | 344,416 | 220 | 0.0% | 0.0% | 15 | +139,716 | 68.25% | Q4 2025 | Feb 12, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | History | No change | 328,972 | 210 | 0.0% | 0.0% | 16 | 0 | 0.0% | Q4 2025 | Feb 09, 2026 |
| STATE STREET CORP | History | Added to | 186,390 | 119 | 0.0% | 0.0% | 17 | +22,500 | 13.73% | Q4 2025 | Feb 13, 2026 |
| Velan Capital Investment Management LP | History | New | 170,000 | 108 | 0.06% | — | 18 | +170,000 | New | Q4 2025 | Feb 13, 2026 |
| GSA CAPITAL PARTNERS LLP | History | New | 147,966 | 95 | 0.01% | — | 19 | +147,966 | New | Q4 2025 | Feb 06, 2026 |
| Stonepine Capital Management, LLC | History | New | 126,270 | 80 | 0.06% | — | 20 | +126,270 | New | Q4 2025 | Feb 13, 2026 |
| NORTHERN TRUST CORP | History | No change | 66,609 | 42 | 0.0% | 0.0% | 21 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| TWO SIGMA INVESTMENTS, LP | History | Reduced | 62,032 | 39 | 0.0% | 0.0% | 22 | -25,758 | -29.34% | Q4 2025 | Feb 17, 2026 |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | History | No change | 56,081 | 35 | 0.0% | 0.0% | 23 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| JANE STREET GROUP, LLC | History | New | 42,080 | 26 | 0.0% | — | 24 | +42,080 | New | Q4 2025 | Feb 12, 2026 |
| HRT FINANCIAL LP | History | Added to | 31,886 | 20 | 0.0% | 0.0% | 25 | +7,150 | 28.91% | Q4 2025 | Feb 12, 2026 |
| Mariner, LLC | History | No change | 25,000 | 16 | 0.0% | 0.0% | 26 | 0 | 0.0% | Q4 2025 | Feb 13, 2026 |
| LPL Financial LLC | History | Reduced | 21,000 | 13 | 0.0% | 0.0% | 27 | -10,000 | -32.26% | Q4 2025 | Feb 11, 2026 |
| RAYMOND JAMES FINANCIAL INC | History | No change | 18,761 | 12 | 0.0% | 0.0% | 28 | 0 | 0.0% | Q4 2025 | Feb 18, 2026 |
| XTX Topco Ltd | History | Reduced | 17,304 | 11 | 0.0% | 0.0% | 29 | -58,741 | -77.25% | Q4 2025 | Feb 17, 2026 |
| INVESTORS ASSET MANAGEMENT OF GEORGIA INC /GA/ /ADV | History | No change | 10,000 | 6 | 0.0% | 0.0% | 30 | 0 | 0.0% | Q4 2025 | Feb 04, 2026 |
| Pinnacle Financial Group, LLC / IL | History | No change | 10,000 | 6 | 0.0% | 0.0% | 31 | 0 | 0.0% | Q4 2025 | Feb 05, 2026 |
| Dunhill Financial, LLC | History | No change | 10,274 | 6 | 0.0% | 0.0% | 32 | 0 | 0.0% | Q4 2025 | Jan 29, 2026 |
| BlackRock, Inc. | History | No change | 2,037 | 1 | 0.0% | 0.0% | 33 | 0 | 0.0% | Q4 2025 | Feb 12, 2026 |
| Squarepoint Ops LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -328,794 | -100.0% | Q3 2025 | Nov 14, 2025 |
| Trustees of Columbia University in the City of New York | History | Closed out | 0 | 0 | — | 0.03% | — | -249,635 | -100.0% | Q3 2025 | Nov 14, 2025 |
| BALYASNY ASSET MANAGEMENT L.P. | History | Closed out | 0 | 0 | — | 0.0% | — | -198,859 | -100.0% | Q3 2025 | Nov 14, 2025 |
| TWO SIGMA SECURITIES, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -32,130 | -100.0% | Q3 2025 | Nov 14, 2025 |
| TWO SIGMA ADVISERS, LP | History | Closed out | 0 | 0 | — | 0.0% | — | -29,689 | -100.0% | Q3 2025 | Nov 14, 2025 |
| Aptus Capital Advisors, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -25,000 | -100.0% | Q3 2025 | Nov 12, 2025 |
| SevenBridge Financial Group, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -25,000 | -100.0% | Q3 2025 | Nov 13, 2025 |
| UBS Group AG | History | Reduced | 203 | 0 | — | 0.0% | — | -13,449 | -98.51% | Q4 2025 | Jan 29, 2026 |
| Federation des caisses Desjardins du Quebec | History | Closed out | 0 | 0 | — | 0.0% | — | -3,300 | -100.0% | Q3 2025 | Nov 14, 2025 |
| CITIGROUP INC | History | Closed out | 0 | 0 | — | — | — | -258 | -100.0% | Q3 2025 | Nov 10, 2025 |
| BANK OF AMERICA CORP /DE/ | History | Added to | 261 | 0 | — | — | — | +15 | 6.1% | Q4 2025 | Feb 17, 2026 |
| Key FInancial Inc | History | No change | 830 | 0 | — | — | — | 0 | 0.0% | Q4 2025 | Feb 09, 2026 |
| Private Wealth Management Group, LLC | History | No change | 310 | 0 | — | — | — | 0 | 0.0% | Q4 2025 | Jan 23, 2026 |