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Acumen Pharmaceuticals (ABOS) Institutional Ownership

Acumen Pharmaceuticals logo
$1.23 +0.07 (+6.03%)
Closing price 03/27/2025 04:00 PM Eastern
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$1.30 +0.06 (+5.28%)
As of 03/27/2025 07:52 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more.
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Institutional Ownership Changes (13F Filings) for Acumen Pharmaceuticals (NASDAQ:ABOS)

Current
Institutional Ownership
Percentage
71.01%
Number of
Institutional Buyers
(last 12 months)
25
Total
Institutional Inflows
(last 12 months)
$10.02M
Number of
Institutional Sellers
(last 12 months)
11
Total
Institutional Outflows
(last 12 months)
$4.92M
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ABOS Institutional Buying and Selling by Quarter

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Acumen Pharmaceuticals Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
2/17/2025 Two Sigma Investments LP301,268$518K0.0%-2.7%0.501%
2/17/2025 Two Sigma Advisers LP499,100$858K0.0%+6.4%0.831%
2/17/2025 Millennium Management LLC1,344,745$2.31M0.0%-26.7%2.238%
2/17/2025 Deutsche Bank AG96,995$167K0.0%+468.7%0.161%
2/17/2025 Bank of America Corp DE148,668$256K0.0%+7.2%0.247%
2/14/2025 Jane Street Group LLC30,740$53K0.0%-116.1%0.051%
2/14/2025 Susquehanna Fundamental Investments LLC14,731$25K0.0%N/A0.025%
2/14/2025 Rock Springs Capital Management LP1,838,916$3.16M0.1%-20.0%3.061%
2/14/2025 Tower Research Capital LLC TRC 20,624$35K0.0%+427.5%0.034%
2/14/2025 Dimensional Fund Advisors LP98,016$169K0.0%+73.3%0.163%
2/13/2025 Barclays PLC93,082$161K0.0%+50.1%0.155%
2/13/2025 Renaissance Technologies LLC257,213$442K0.0%-16.0%0.428%
2/13/2025 ADAR1 Capital Management LLC94,294$162K0.0%N/A0.157%
2/12/2025 Franklin Resources Inc.3,273,633$5.63M0.0%-7.8%5.449%
2/12/2025 JPMorgan Chase & Co.937,908$1.61M0.0%+1,387.2%1.561%
2/11/2025 Clune & Associates LTD.16,500$28K0.0%N/A0.027%
2/11/2025 Intech Investment Management LLC18,847$32K0.0%N/A0.031%
2/6/2025 Charles Schwab Investment Management Inc.126,747$218K0.0%+16.6%0.211%
1/30/2025 Rhumbline Advisers53,076$91K0.0%-40.0%0.088%
1/17/2025 SG Americas Securities LLC25,631$44K0.0%+44.2%0.043%
12/26/2024 JPMorgan Chase & Co.63,066$156K0.0%+252.8%0.105%
11/27/2024 Franklin Resources Inc.3,549,069$8.34M0.0%+5.4%5.907%
11/19/2024 Barclays PLC61,997$154K0.0%+189.1%0.103%
11/16/2024 Geode Capital Management LLC864,528$2.14M0.0%+6.5%1.439%
11/15/2024 Barclays PLC61,997$154K0.0%+189.1%0.103%
11/15/2024 State Street Corp516,406$1.28M0.0%+18.3%0.860%
11/13/2024 FMR LLC2,028,117$5.03M0.0%+0.3%3.376%
11/13/2024 The Manufacturers Life Insurance Company52,333$130K0.0%-12.8%0.087%
10/3/2024 SG Americas Securities LLC17,772$44K0.0%N/A0.030%
8/16/2024 Murchinson Ltd.56,250$136K0.0%N/A0.094%
8/15/2024 Millennium Management LLC1,954,085$4.73M0.0%-25.7%3.252%
8/14/2024 Murchinson Ltd.56,250$136K0.0%N/A0.094%
8/12/2024 Marathon Trading Investment Management LLC26,298$64K0.0%-56.2%0.044%
8/9/2024 Renaissance Technologies LLC338,100$818K0.0%N/A0.563%
8/9/2024 Dimensional Fund Advisors LP56,548$137K0.0%-8.4%0.094%
8/8/2024 American Century Companies Inc.45,444$110K0.0%+31.3%0.076%
8/1/2024 Rhumbline Advisers52,323$127K0.0%N/A0.087%
7/26/2024 Bank of New York Mellon Corp126,422$306K0.0%N/A0.210%
7/19/2024 Gladius Capital Management LP10,939$26K0.0%N/A0.018%
5/17/2024 Ikarian Capital LLC266,435$1.08M0.1%-15.5%0.443%
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5/15/2024 Price T Rowe Associates Inc. MD1,098,276$4.45M0.0%N/A1.828%
5/10/2024 Vanguard Group Inc.1,665,058$6.74M0.0%-9.5%2.771%
5/7/2024 Susquehanna Fundamental Investments LLC62,518$253K0.0%N/A0.104%
5/7/2024 SG Americas Securities LLC12,856$52K0.0%N/A0.021%
2/23/2024 Chicago Partners Investment Group LLC18,315$70K0.0%+34.9%0.032%
2/15/2024 Parkman Healthcare Partners LLC603,497$2.32M0.3%+20.7%1.042%
2/9/2024 Franklin Resources Inc.3,358,809$12.90M0.0%+18.3%5.800%
2/7/2024 Jump Financial LLC103,000$396K0.0%+203.8%0.178%
12/7/2023 Hudson Bay Capital Management LP525,000$2.18M0.0%+32.9%0.907%
12/6/2023 Citigroup Inc.38,498$160K0.0%+5,423.4%0.066%
11/15/2023 RA Capital Management L.P.14,932,063$61.97M1.2%+52.8%25.803%
11/15/2023 Rock Springs Capital Management LP2,812,579$11.67M0.3%N/A4.860%
11/15/2023 Laurion Capital Management LP1,895,023$7.86M0.0%+57.1%3.275%
11/14/2023 Schonfeld Strategic Advisors LLC645,112$2.68M0.0%N/A1.115%
11/14/2023 Knollwood Investment Advisory LLC1,628,510$6.76M3.2%N/A2.814%
11/13/2023 DekaBank Deutsche Girozentrale40,000$167K0.0%N/A0.069%
11/8/2023Pathstone Family Office LLC478,790$1.99M0.0%+2.5%0.827%
11/7/2023 Jump Financial LLC33,900$141K0.0%N/A0.059%
11/3/2023 Intrepid Financial Planning Group LLC30,150$125K0.1%+49.6%0.052%
10/26/2023 Chicago Partners Investment Group LLC13,579$56K0.0%N/A0.023%
9/21/2023Baystate Wealth Management LLC18,020$87K0.0%N/A0.031%
8/14/2023 Deep Track Capital LP3,916,361$18.84M0.9%-0.9%6.768%
8/14/2023 Prelude Capital Management LLC31,100$150K0.0%N/A0.076%
8/2/2023 Catalyst Financial Partners LLC89,699$431K0.2%N/A0.219%
8/2/2023Baystate Wealth Management LLC18,020$87K0.0%N/A0.044%
7/27/2023 Pinnacle Associates Ltd.18,020$87K0.0%N/A0.044%
5/16/2023 Great Point Partners LLC1,051,267$4.27M0.8%-5.8%2.563%
5/15/2023 Commodore Capital LP400,000$1.62M0.2%-19.7%0.975%
5/15/2023 Guardian Point Capital LP130,000$528K0.4%-56.7%0.317%
5/3/2023 Jump Financial LLC10,183$41K0.0%-52.1%0.025%
5/2/2023 Intrepid Financial Planning Group LLC30,150$122K0.1%+201.5%0.073%
4/26/2023 Chicago Partners Investment Group LLC12,332$47K0.0%-34.0%0.030%
2/14/2023 Moore Capital Management LP27,578$149K0.0%-93.5%0.068%
2/14/2023 683 Capital Management LLC31,246$169K0.0%N/A0.077%
2/14/2023 Driehaus Capital Management LLC563,864$3.05M0.0%-1.3%1.392%
2/13/2023Pathstone Family Office LLC530,330$2.86M0.0%+109.4%1.309%
2/10/2023Cheyne Capital Management UK LLP55,829$301K0.5%N/A0.138%
2/9/2023 Chicago Partners Investment Group LLC18,679$109K0.0%+68.5%0.046%
2/7/2023 WMS Partners LLC98,301$531K0.1%-45.4%0.243%
2/2/2023 Intrepid Financial Planning Group LLC10,000$54K0.0%N/A0.025%
2/1/2023 Bank of Montreal Can58,400$326K0.0%N/A0.144%
11/15/2022Pathstone Family Office LLC253,270$2.54M0.0%N/A0.625%
11/15/2022 Perceptive Advisors LLC400,000$4.01M0.1%-21.3%0.988%
11/15/2022Endurant Capital Management LP55,328$555K0.2%N/A0.137%
11/15/2022 Commodore Capital LP1,100,000$11.03M1.8%N/A2.716%
11/14/2022 Point72 Asset Management L.P.40,936$411K0.0%N/A0.101%
11/14/2022 Boothbay Fund Management LLC62,580$628K0.0%+391.7%0.155%
11/14/2022 Moore Capital Management LP422,902$4.24M0.1%+18.0%1.044%
11/3/2022 Barclays PLC34,161$342K0.0%+408.0%0.084%
10/28/2022 Silverarc Capital Management LLC420,000$4.21M1.4%N/A1.037%
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8/16/2022 Woodline Partners LP426,170$2.00M0.0%-15.0%1.052%
8/15/2022 Laurion Capital Management LP1,206,548$5.67M0.1%+83.7%2.979%
8/13/2022 Virtu Financial LLC26,204$123K0.0%N/A0.065%
5/17/2022 Great Point Partners LLC928,282$3.63M0.9%N/A2.292%
5/16/2022 Deep Track Capital LP2,599,098$10.16M0.7%+34.5%6.418%
5/13/2022 Fiduciary Group LLC10,000$31K0.0%N/A0.025%
5/10/2022 WMS Partners LLC181,068$708K0.1%N/A0.447%
5/6/2022 Los Angeles Capital Management LLC56,592$221K0.0%N/A0.140%
5/5/2022 New York State Common Retirement Fund23,981$94K0.0%+337.5%0.059%
4/21/2022Strs Ohio41,300$161K0.0%+24.0%0.102%
(Data available from 1/1/2016 forward)

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ABOS Institutional Ownership - Frequently Asked Questions

Who are the largest shareholders of ABOS shares?

During the previous two years, 52 institutional investors and hedge funds held shares of Acumen Pharmaceuticals. The most heavily invested institutionals were RA Capital Management L.P. ($61.97M), Deep Track Capital LP ($18.84M), Laurion Capital Management LP ($7.86M), Knollwood Investment Advisory LLC ($6.76M), Vanguard Group Inc. ($6.74M), Franklin Resources Inc. ($5.63M), and FMR LLC ($5.03M).Learn more on ABOS's institutional investors.

What percentage of Acumen Pharmaceuticals stock is owned by institutional investors?

71.01% of Acumen Pharmaceuticals stock is owned by institutional investors. Learn more on ABOS's institutional investor holdings.

Which institutional investors have been buying Acumen Pharmaceuticals stock?

Of the 42 institutional investors that purchased Acumen Pharmaceuticals stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: RA Capital Management L.P. ($5.16M), Rock Springs Capital Management LP ($2.81M), Knollwood Investment Advisory LLC ($1.63M), Price T Rowe Associates Inc. MD ($1.10M), JPMorgan Chase & Co. ($920.03K), Franklin Resources Inc. ($701.50K), and Laurion Capital Management LP ($688.48K).

How much institutional buying is happening at Acumen Pharmaceuticals?

Institutional investors have bought a total of 15,869,450 shares in the last 24 months. This purchase volume represents approximately $60.15M in transactions.

Which Acumen Pharmaceuticals major shareholders have been selling company stock?

Of the 17 institutional investors that sold Acumen Pharmaceuticals stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Millennium Management LLC ($1.17M), Rock Springs Capital Management LP ($461.14K), Franklin Resources Inc. ($275.44K), Vanguard Group Inc. ($174.49K), Guardian Point Capital LP ($170K), Commodore Capital LP ($98.32K), and Great Point Partners LLC ($65.31K).

How much institutional selling is happening at Acumen Pharmaceuticals?

Institutional investors have sold a total of 2,651,117 shares in the last 24 months. This volume of shares sold represents approximately $6.52M in transactions.


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This page (NASDAQ:ABOS) was last updated on 3/28/2025 by MarketBeat.com Staff
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