ACUMEN PHARMACEUTICALS INC

Ticker: ABOS CUSIP: 00509G209 Class: Common Stock

Note: Option positions (PUT/CALL) are excluded.

InstitutionSharesValue ($000)
RA CAPITAL MANAGEMENT, L.P.14,932,063$31,507
Sands Capital Ventures, LLC3,417,075$7,210
FRANKLIN RESOURCES INC2,305,096$4,864
FMR LLC2,027,497$4,278
VANGUARD GROUP INC1,653,772$3,489
Knollwood Investment Advisory, LLC1,628,510$3,436
Alyeska Investment Group, L.P.939,603$1,983
ADAR1 Capital Management, LLC891,183$1,880
Laurion Capital Management LP867,046$1,829
Pathstone Holdings, LLC859,110$1,813
Hudson Bay Capital Management LP725,000$1,530
MILLENNIUM MANAGEMENT LLC584,143$1,233
RENAISSANCE TECHNOLOGIES LLC423,100$893
TWO SIGMA ADVISERS, LP421,800$890
GEODE CAPITAL MANAGEMENT, LLC410,206$866
SG Americas Securities, LLC401,047$1
SUSQUEHANNA INTERNATIONAL GROUP, LLP373,198$787
CITADEL ADVISORS LLC345,283$729
Ikarian Capital, LLC254,312$537
BANK OF AMERICA CORP /DE/240,152$507
BRIDGEWAY CAPITAL MANAGEMENT, LLC170,171$359
BlackRock, Inc.169,505$358
MORGAN STANLEY166,905$352
ACADIAN ASSET MANAGEMENT LLC152,780$0
TWO SIGMA INVESTMENTS, LP143,221$302
JANE STREET GROUP, LLC142,123$300
GOLDMAN SACHS GROUP INC117,851$249
STATE STREET CORP100,178$211
CATALYST FINANCIAL PARTNERS LLC89,699$189
NORTHERN TRUST CORP75,212$159
Prospera Financial Services Inc50,000$106
XTX Topco Ltd49,563$105
DIMENSIONAL FUND ADVISORS LP49,062$104
Quadrature Capital Ltd49,046$103
Qube Research & Technologies Ltd47,985$101
BOOTHBAY FUND MANAGEMENT, LLC39,585$84
Point72 Asset Management, L.P.36,365$77
Intrepid Financial Planning Group LLC30,150$64
BARCLAYS PLC29,991$63
Catalyst Funds Management Pty Ltd29,600$62
OMERS ADMINISTRATION Corp22,454$47
UBS Group AG21,562$45
MARSHALL WACE, LLP20,907$44
Independent Advisor Alliance19,000$40
PFG Investments, LLC19,000$40
PINNACLE ASSOCIATES LTD18,020$38
Pinnacle Wealth Management Advisory Group, LLC18,020$38
CLUNE & ASSOCIATES, LTD.16,500$35
Virtu Financial LLC10,922$0
NINE MASTS CAPITAL Ltd10,637$22
WELLS FARGO & COMPANY/MN7,100$15
OSAIC HOLDINGS, INC.6,851$14
GROUP ONE TRADING, L.P.4,752$10
Tower Research Capital LLC (TRC)4,457$9
Larson Financial Group LLC4,348$9
PNC Financial Services Group, Inc.3,080$6
Rockefeller Capital Management L.P.3,000$6
TFC Financial Management, Inc.2,500$5
JPMORGAN CHASE & CO2,409$4
ROYAL BANK OF CANADA2,282$5
NISA INVESTMENT ADVISORS, LLC1,229$3
BNP PARIBAS ARBITRAGE, SA1,224$3
EverSource Wealth Advisors, LLC407$1
FLAGSHIP HARBOR ADVISORS, LLC350$1
SBI Securities Co., Ltd.323$1
Farther Finance Advisors, LLC200$0
CWM, LLC147$0
Clearstead Advisors, LLC60$0
SRS Capital Advisors, Inc.26$0
Optiver Holding B.V.5$0
NBT BANK N A /NY2$0
Total (71 institutions)35,659,962$74,052