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Acumen Pharmaceuticals, Inc.

ABOS
Exchange
Nasdaq
Industry
Biological Products, (No Diagnostic Substances)
SEC CIK
0001576885

No open-market purchases or sales by Acumen Pharmaceuticals, Inc. insiders were filed in the last 90 days; 96 institutions reported holding it in 13F filings for Q2 2026, worth $127.8M in total; no superinvestor holds it.

Q3 2021 vs. Q2 2021

How the institutions holding Acumen Pharmaceuticals, Inc. changed between Q2 2021 and Q3 2021.

All holders in Q3 2021All holders in Q2 2021

13F holders of ABOS: Q2 2021 compared with Q3 2021
MeasureQ2 2021Q3 2021Change
Holders041+41
Shares024.1M+24.1M
Value$0$357.4M+$357.4M

New holders (41)

Institutions that held Acumen Pharmaceuticals, Inc. at the end of Q3 2021 but not at the end of Q2 2021.

Institutions new to ABOS in Q3 2021
InstitutionSharesValue% of portfolio
Ra Capital Management, L.P.9,770,773$145.2M2.01%
Sands Capital Ventures, LLC3,417,075$50.8M7.66%
BlackRock Inc.2,868,791$42.6M0.00%
Rock Springs Capital Management LP1,579,191$23.5M0.49%
Vanguard Group Inc1,324,898$19.7M0.00%
Franklin Resources Inc937,500$13.9M0.01%
Janus Henderson Group PLC860,181$12.8M0.01%
Laurion Capital Management LP656,848$9.76M0.14%
Guardian Point Capital, LP500,000$7.43M1.72%
Woodline Partners LP468,794$6.97M0.12%
Moore Capital Management, LP369,583$5.49M0.11%
BVF Inc289,663$4.30M0.17%
Marshall Wace, LLP156,250$2.32M0.01%
Marshall Wace North America L.P.153,908$2.29M0.01%
Geode Capital Management, LLC107,806$1.60M0.00%
FMR LLC107,100$1.59M0.00%
State Street Corp99,775$1.48M0.00%
Northern Trust Corp87,401$1.30M0.00%
Pura Vida Investments, LLC75,000$1.11M0.08%
Goldman Sachs Group Inc63,635$946.0K0.00%
Citadel Advisors LLC39,346$585.0K0.00%
Charles Schwab Investment Management Inc24,037$358.0K0.00%
D. E. Shaw & Co., Inc.18,314$272.0K0.00%
Bank of New York Mellon Corp17,945$266.0K0.00%
Chicago Partners Investment Group LLC14,804$199.0K0.01%
Nuveen Asset Management, LLC12,922$192.0K0.00%
Deutsche Bank AG5,518$82.0K0.00%
American International Group, Inc.5,247$78.0K0.00%
California State Teachers Retirement System5,180$77.0K0.00%
JPMorgan Chase & Co3,672$55.0K0.00%
STRS Ohio2,200$32.0K0.00%
Citigroup Inc1,094$16.0K0.00%
Royal Bank of Canada1,101$16.0K0.00%
Bank of America Corp990$14.0K0.00%
Legal & General Group Plc888$13.0K0.00%
Ameritas Investment Partners, Inc.735$11.0K0.00%
Tower Research Capital LLC (TRC)695$10.0K0.00%
UBS Group AG610$9.00K0.00%
Morgan Stanley569$8.00K0.00%
Wells Fargo & Company51$1.00K0.00%
Captrust Financial Advisors78$1.00K0.00%

Sold out (0)

Institutions that held Acumen Pharmaceuticals, Inc. at the end of Q2 2021 and filed for Q3 2021 without it.

None.