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XLO XILIO THERAPEUTICS INC

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COM (common), issuer CIK 1840233

24 managers (25 13F filers) reported a position in XLO shares at 2026-06-30, 2,756,592 shares in all. 10 filers opened a position and 7 filers sold out during the quarter.

Managers
24
13F filers
25
New
10
Added
4
Reduced
4
Sold out
7
Shares held by filers
2,756,592

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q2 2026

Filers in the available 13F reports with a share position at 2026-06-30, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
Bain Capital Life Sciences Investors, L…in group Bain Capital Life Sciences In…664,021$6.36M0.38%013F-HRTimelineGroup
ORBIMED ADVISORS LLCin group ORBIMED ADVISORS LLC592,300$5.67M0.11%new13F-HRTimelineGroup
Frazier Life Sciences Management, L.P.422,505$4.05M0.09%013F-HRTimeline
Stonepine Capital Management, LLC225,994$2.17M1.65%+161,83213F-HR/ATimeline
VANGUARD GROUP INCgroup of 3 filers holding201,111$1.93M+48,766Timeline
Sio Capital Management, LLC152,464$1.46M0.25%013F-HRTimeline
ADAGE CAPITAL PARTNERS GP, L.L.C.in group ADAGE CAPITAL PARTNERS GP, L.…111,541$1.07M<0.01%new13F-HRTimelineGroup
Merck & Co., Inc.in group Merck & Co., Inc.105,982$1.02M0.19%013F-HRTimelineGroup
RENAISSANCE TECHNOLOGIES LLC64,153$615K<0.01%+14,58713F-HRTimeline
MORGAN STANLEYin group MORGAN STANLEY56,954$546K<0.01%-53913F-HRTimelineGroup
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC39,055$374K<0.01%+1,85813F-HRTimelineGroup
CITADEL ADVISORS LLCin group CITADEL ADVISORS LLC25,950$249K<0.01%new13F-HRTimelineGroup
BRIDGEWAY CAPITAL MANAGEMENT, LLC17,544$168K<0.01%new13F-HRTimeline
TWO SIGMA INVESTMENTS, LPin group TWO SIGMA INVESTMENTS, LP14,544$139K<0.01%new13F-HRTimelineGroup
Velan Capital Investment Management LP14,285$137K0.08%013F-HRTimeline
GSA CAPITAL PARTNERS LLP13,590$130K0.01%-3,35613F-HRTimeline
STATE STREET CORPin group STATE STREET CORP13,311$128K<0.01%013F-HRTimelineGroup
PRELUDE CAPITAL MANAGEMENT, LLC11,600$111K0.01%new13F-HRTimeline
BlackRock, Inc.in group BlackRock, Inc.8,757$83.9K<0.01%new13F-HRTimelineGroup
Steward Partners Investment Advisory, L…714$6.84K<0.01%new13F-HRTimeline
BARCLAYS PLCin group BARCLAYS PLC115$1.1K<0.01%new13F-HRTimelineGroup
Key Financial Inc59$565<0.01%013F-HRTimeline
JONES FINANCIAL COMPANIES LLLPin group JONES FINANCIAL COMPANIES LLLP29$262<0.01%new13F-HRTimelineGroup
UBS Group AGin group UBS Group AG14$134<0.01%-4,02413F-HRTimelineGroup