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Atrium Therapeutics, Inc.

Institutional holders · 13F as of Jun 30, 2026

45 holders

HolderValueShares% of shares
BlackRock, Inc.$19.47M1,447,4768.46%
RA Capital Management, L.P.$11.55M864,1025.05%
TIG Advisors, LLC$8.12M607,5523.55%
GEODE CAPITAL MANAGEMENT, LLC$4.28M319,8311.87%
STATE STREET CORPORATION$3.66M271,7621.59%
Weiss Asset Management LP$3.22M240,7011.41%
CANTOR FITZGERALD, L. P.$3.15M235,6371.38%
Balyasny Asset Management L.P.$3.14M235,1151.37%
Millennium Management LLC$2.55M190,8591.12%
ADAGE CAPITAL PARTNERS GP, L.L.C.$2.45M183,5801.07%
AQR Arbitrage LLC$2.40M179,7131.05%
TWO SIGMA INVESTMENTS, LP$2.39M178,5601.04%
Marble Bar Asset Management LLP$1.97M147,0000.86%
JANUS HENDERSON GROUP PLC$1.87M139,9730.82%
NOMURA HOLDINGS INC$1.84M137,3800.80%
TD ASSET MANAGEMENT INC$1.49M111,2000.65%
Polar Asset Management Partners Inc.$935.9K70,0000.41%
Twin Securities, Inc.$667.3K49,9130.29%
Bank of New York Mellon Corp/The$584.2K43,6970.26%
CPPIB Crestone Peak Resources Canada Inc.$561.1K41,9700.25%
Royal Bank of Canada$477.0K35,6980.21%
MARSHALL WACE, LLP$450.4K33,6910.20%
CREDIT INDUSTRIEL ET COMMERCIAL$307.5K23,0000.13%
Fortress Investment Group LLC$294.6K22,0330.13%
Grantham, Mayo, Van Otterloo & Co. LLC$206.5K15,4440.09%
DEUTSCHE BANK AG$201.3K14,9670.09%
RHUMBLINE ADVISERS$199.9K14,9530.09%
AllianceBernstein L.P.$173.4K12,9700.08%
PUBLIC SECTOR PENSION INVESTMENT BOARD$172.2K12,8820.08%
Magnetar Financial LLC$140.5K10,5120.06%
BNP PARIBAS FINANCIAL MARKETS$110.5K8,2670.05%
Walleye Trading LLC$48.5K3,6280.02%
MAI Capital Management$17.3K1,2930.01%
NATIXIS$17.3K1,2920.01%
Ameritas Investment Partners, Inc.$12.7K9500.01%
The PNC Financial Services Group, Inc.$8.0K5940.00%
LONGFELLOW INVESTMENT MANAGEMENT CO LLC$1.4K1070.00%
Sterling Capital Management LLC$1.3K1000.00%
Zurcher Kantonalbank (Zurich Cantonalbank)$655490.00%
ASSETMARK, INC$455340.00%
Pinnacle Wealth Planning Services, Inc.$135100.00%
NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO$5340.00%
MassMutual Private Wealth & Trust, FSB$2720.00%
Covestor Ltd$64660.00%
BESSEMER GROUP INC$090.00%
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