Xilio Therapeutics Inc

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Xilio Therapeutics Inc
TickerXLO
CIK #0001840233
CUSIP98422T100
SectorLife Sciences - Pharmaceutical Preparations
Address828 Winter Street, Waltham, MA 02451
Source [EDGAR]
CIK Filing 2011 - 2025
[0001840233] 10-K
[0001840233] 10-Q
[0001840233] 3
[0001840233] 4
[0001840233] 8-K
[0001840233] D
[0001840233] SC 13D
[0001840233] SC 13G
Form 13D/13G Filer Form 13D/13G Subject Filed % Owned
Point72 Asset Management LP Xilio Therapeutics Inc [2025-06-17] 0.0
Frazier Life Sciences Public Fund LP Xilio Therapeutics Inc [2025-06-12] 0.0
AbbVie Inc Xilio Therapeutics Inc [2025-02-18] 0.0
GKCC LLC Xilio Therapeutics Inc [2024-09-27] 15.9
Gilead Sciences Inc Xilio Therapeutics Inc [2024-04-05] 819419.9
Rock Springs Capital Management LP Xilio Therapeutics Inc [2024-02-14] 5.23
MRL Ventures Fund LLC Xilio Therapeutics Inc [2023-04-10] 5.4
Octagon Capital Advisors LP Xilio Therapeutics Inc [2023-01-25] 8.83
Takeda Pharmaceutical Co Ltd Xilio Therapeutics Inc [2022-01-14] 5.37
Atlas Venture Fund Xi LP Xilio Therapeutics Inc [2021-11-05] 7.6
Rivervest Venture Fund IV LP Xilio Therapeutics Inc [2021-11-05] 5.4
RA Capital Management LP Xilio Therapeutics Inc [2021-11-05] 5.7
Bain Capital Life Sciences Fund II LP Xilio Therapeutics Inc [2021-11-05] 5.1
FMR LLC Xilio Therapeutics Inc [2021-11-04] 0.0
SV7 Impact Medicine Fund LP Xilio Therapeutics Inc [2021-11-03] 6.05
Flynn James E Xilio Therapeutics Inc [2021-10-27] 4.29
Form 3/4/5 Filer 2011 - 2025
Russo Rene
Xilio Therapeutics, Inc.
Shannon James Samuel
Curran Daniel J.
Bonstein Sara
Brennan Aoife
Ross Robert W
Xu Yuan
Rossi Christina
Clancy Paul J
Bello Akintunde Olatokumbo
Gilead Sciences Inc
Frankenfield Christopher James
Brennan Kevin M.
Luptakova Katarina
GKCC LLC
Chudnovsky Yekaterina
Atlas Venture Associates XI, L.P.
Atlas Venture Associates Opportunity I, LLC
Atlas Venture Fund XI, L.P.
Atlas Venture Opportunity Fund I, L.P.
Atlas Venture Associates XI, LLC
Atlas Venture Associates Opportunity I, L.P.
Huber Martin H. Jr.
Heyman Tomas J.
English Edward C
Ross Michael Jay
Giovine Salvatore
BCLS II Investco (GP), LLC
BCIP Life Sciences Associates, LP
Bain Capital Life Sciences Investors, LLC
BCLS II Investco, LP
Bain Capital Life Sciences Fund II, L.P.
Bain Capital Life Sciences Investors II, LLC
SV7 IMF GP LLP
SV7 Impact Medicine Fund LP
Deerfield Mgmt L.P.
Flynn James E
Deerfield Mgmt V, L.P.
Deerfield Management Company LP
Deerfield Partners LP
FIL Ltd
FMR LLC
Takeda Ventures, Inc.
Takeda Pharmaceutical Co Ltd
Rock Springs Capital Master Fund LP
Four Pines Master Fund LP
Rock Springs Capital LLC
Rock Springs Capital Management LP
Merck KGaA
Bay City Capital LLC
RiverVest Venture Fund IV, L.P.
Alexandria Venture Investments, LLC
Williams John Charles
Estate of Ulrich Rodeck
Clackson Timothy P
Tomlinson Simon M
Humphrey Rachel
Lynch Daniel
Form 13F Holdings
Firm Period DFND Voting Shares
Gilead Sciences Inc [2025-06-30] SOLE 9,105,451 9,105,451
Bain Capital Life Sciences Investors, LLC [2025-06-30] SOLE 4,566,817 4,566,817
Merck & Co., Inc. [2025-06-30] DFND 0 1,483,758
Takeda Pharmaceutical Co Ltd [2025-06-30] DFND 1,475,121 1,475,121
Morgan Stanley [2025-06-30] DFND 0 1,444,326
Ghisallo Capital Management LLC [2025-06-30] SOLE 1,333,000 1,333,000
Vanguard Group Inc [2025-06-30] SOLE 0 1,148,079
AJU IB Investment Co., Ltd. [2025-06-30] SOLE 667,742 667,742
FMR LLC [2025-06-30] DFND 511,820 511,820
Geode Capital Management LLC [2025-06-30] DFND 369,660 369,660
Trustees of Columbia University in the City of New York [2025-06-30] SOLE 249,635 249,635
UBS Group AG [2025-06-30] DFND 239,969 239,969
Squarepoint Ops LLC [2025-06-30] DFND 0 235,456
Balyasny Asset Management LP [2025-06-30] SOLE 198,859 198,859
Renaissance Technologies LLC [2025-06-30] SOLE 164,200 164,200
Avantax Planning Partners Inc [2025-06-30] SOLE 0 142,338
Two Sigma Investments LP [2025-06-30] SOLE 78,032 78,032
Northern Trust Corp [2025-06-30] DFND 66,609 66,609
Bridgeway Capital Management LLC [2025-06-30] SOLE 56,081 56,081
State Street Corp [2025-06-30] DFND 43,390 43,390
XTX Topco Ltd [2025-06-30] DFND 34,721 34,721
LPL Financial LLC [2025-06-30] SOLE 0 31,000
Aptus Capital Advisors LLC [2025-06-30] SOLE 25,000 25,000
Mariner LLC [2025-06-30] SOLE 0 25,000
Raymond James Financial Inc [2025-06-30] DFND 0 18,761
Tower Research Capital LLC (TRC) [2025-06-30] DFND 15,412 15,412
Dunhill Financial LLC [2025-06-30] SOLE 10,274 10,274
Investors Asset Management of Georgia Inc /GA/ /ADV [2025-06-30] SOLE 0 10,000
Pinnacle Financial Group, LLC / IL [2025-06-30] SOLE 0 10,000
Federation des caisses Desjardins du Quebec [2025-06-30] DFND 3,300 3,300
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