Xilio Therapeutics, Inc. - XLO

Detailed investor-level table based on 13F positions.

Shareholders (13F)

Quarter: Q4 2025 · Compare: Q3 2025
13D/13G major owners: Ownership tab.
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