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Assembly Biosciences (ASMB) Institutional Ownership

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$13.59 -0.88 (-6.08%)
Closing price 05/21/2025 04:00 PM Eastern
Extended Trading
$13.73 +0.14 (+1.03%)
As of 05/21/2025 06:07 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 Assembly Biosciences (NASDAQ:ASMB)

Current
Institutional Ownership
Percentage
19.92%
Number of
Institutional Buyers
(last 12 months)
13
Total
Institutional Inflows
(last 12 months)
$45.51M
Number of
Institutional Sellers
(last 12 months)
3
Total
Institutional Outflows
(last 12 months)
$1.51M
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ASMB Institutional Buying and Selling by Quarter

Assembly Biosciences Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
5/21/2025Acadian Asset Management LLC23,027$219K0.0%+42.1%0.301%
5/15/2025 Armistice Capital LLC23,858$228K0.0%-85.8%0.312%
5/13/2025 American Century Companies Inc.11,799$113K0.0%N/A0.154%
4/22/2025 Palumbo Wealth Management LLC17,986$172K0.1%+57.4%0.240%
2/17/2025 Man Group plc19,567$309K0.0%N/A0.308%
2/14/2025 Northern Trust Corp28,649$452K0.0%-3.9%0.450%
2/14/2025 B Group Inc.50,651$799K0.5%N/A0.796%
2/14/2025 Gilead Sciences Inc.2,209,471$34.87M2.2%N/A34.740%
2/13/2025 Marshall Wace LLP14,823$234K0.0%+16.5%0.233%
2/13/2025 Renaissance Technologies LLC94,711$1.50M0.0%+44.3%1.489%
2/12/2025 JPMorgan Chase & Co.11,427$180K0.0%+225.6%0.180%
2/10/2025 Monimus Capital Management LP42,067$664K0.6%N/A0.661%
1/30/2025 Palumbo Wealth Management LLC11,427$180K0.1%N/A0.180%
1/29/2025 Peapod Lane Capital LLC62,970$994K1.0%N/A0.990%
12/26/2024 JPMorgan Chase & Co.3,509$53K0.0%+5,137.3%0.055%
11/16/2024 Geode Capital Management LLC47,034$712K0.0%-13.6%0.740%
11/13/2024 FMR LLC15,855$240K0.0%+29.7%0.249%
8/15/2024 Armistice Capital LLC468,000$6.42M0.1%N/A8.489%
8/9/2024 Renaissance Technologies LLC54,911$753K0.0%+39.2%0.997%
8/6/2024Acadian Asset Management LLC13,558$184K0.0%+131.0%0.246%
5/10/2024Acadian Asset Management LLC5,868$78K0.0%-91.7%0.107%
5/10/2024 Vanguard Group Inc.196,368$2.61M0.0%-91.6%3.581%
5/7/2024 Marquette Asset Management LLC9,016$120K0.0%-83.4%0.165%
2/2/2024 Marquette Asset Management LLC54,464$45K0.0%N/A0.083%
2/2/2024 Acuitas Investments LLC265,585$218K0.1%N/A0.404%
1/31/2024 Federated Hermes Inc.304,735$250K0.0%-10.9%0.463%
12/7/2023 Hudson Bay Capital Management LP199,789$177K0.0%-75.8%0.304%
11/13/2023Acadian Asset Management LLC83,470$73K0.0%-26.7%0.127%
8/7/2023Acadian Asset Management LLC113,854$130K0.0%-27.7%0.218%
5/12/2023 Platinum Investment Management Ltd.890,736$749K0.0%-18.6%1.709%
5/8/2023 Federated Hermes Inc.363,023$305K0.0%-2.8%0.699%
2/14/2023 Susquehanna International Group LLP21,255$28K0.0%-37.7%0.044%
2/13/2023 Platinum Investment Management Ltd.1,094,770$1.42M0.1%-24.5%2.244%
2/10/2023 Connor Clark & Lunn Investment Management Ltd.65,393$85K0.0%-49.6%0.134%
11/15/2022 Platinum Investment Management Ltd.1,450,328$2.38M0.1%-8.9%2.973%
11/14/2022 Healthcare of Ontario Pension Plan Trust Fund570,300$935K0.0%N/A1.169%
11/10/2022 Connor Clark & Lunn Investment Management Ltd.129,752$213K0.0%-9.2%0.268%
11/7/2022 Virtu Financial LLC30,046$49K0.0%N/A0.062%
11/3/2022 Barclays PLC37,194$61K0.0%-76.9%0.077%
10/27/2022 Assenagon Asset Management S.A.253,783$416K0.0%-62.9%0.524%
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9/16/2022 Federated Hermes Inc.373,665$785K0.0%-2.0%0.771%
8/11/2022 Platinum Investment Management Ltd.1,591,272$3.34M0.1%-16.7%3.300%
8/5/2022 Connor Clark & Lunn Investment Management Ltd.142,915$300K0.0%-13.4%0.296%
7/27/2022 Assenagon Asset Management S.A.684,846$1.44M0.0%+1,422.3%1.420%
7/19/2022 Commonwealth Equity Services LLC25,749$54K0.0%+30.4%0.053%
5/16/2022 Eversept Partners LP280,000$577K0.0%-9.7%0.582%
5/12/2022Acadian Asset Management LLC927,402$1.91M0.0%-42.4%1.927%
5/11/2022 GSA Capital Partners LLP135,834$280K0.0%N/A0.282%
4/26/2022 Marquette Asset Management LLC58,246$120K0.0%+21.3%0.121%
4/25/2022 Assenagon Asset Management S.A.44,987$93K0.0%N/A0.093%
2/14/2022 Deep Track Capital LP3,000,000$6.99M0.5%N/A6.268%
2/14/2022 Eversept Partners LP310,000$722K0.1%-11.4%0.648%
2/10/2022 Candriam Luxembourg S.C.A.1,838,221$4.28M0.0%+25.1%3.841%
2/10/2022Acadian Asset Management LLC1,608,760$3.75M0.0%+13.9%3.361%
2/10/2022 Connor Clark & Lunn Investment Management Ltd.170,216$397K0.0%+8.8%0.356%
2/9/2022 Dimensional Fund Advisors LP553,428$1.29M0.0%+54.0%1.156%
1/21/2022 Russell Investments Group Ltd.123,748$288K0.0%+41.2%0.259%
1/19/2022 Marquette Asset Management LLC48,000$112K0.0%+73.7%0.100%
12/29/2021 Hudson Bay Capital Management LP850,000$2.96M0.0%+13.3%1.776%
11/16/2021 Two Sigma Advisers LP348,700$1.21M0.0%-53.9%0.729%
11/15/2021 Hudson Bay Capital Management LP850,000$2.96M0.0%+13.3%1.776%
11/15/2021 Eversept Partners LP350,000$1.22M0.1%N/A0.731%
11/15/2021 Dimensional Fund Advisors LP359,315$1.25M0.0%-23.4%0.751%
11/15/2021 Franklin Resources Inc.584,688$2.04M0.0%+10.6%1.222%
11/12/2021 Renaissance Technologies LLC130,600$454K0.0%-63.3%0.273%
11/12/2021 Prosight Management LP265,634$924K0.5%+78.2%0.555%
11/12/2021 Geode Capital Management LLC525,263$1.83M0.0%+11.2%1.097%
11/12/2021 Connor Clark & Lunn Investment Management Ltd.156,415$544K0.0%+3.1%0.327%
11/10/2021 Goldman Sachs Group Inc.131,367$457K0.0%-30.8%0.292%
11/10/2021IndexIQ Advisors LLC97,739$340K0.0%+11.1%0.204%
11/9/2021 Barclays PLC212,980$742K0.0%+31.3%0.445%
11/9/2021BlackRock Inc.1,969,977$6.86M0.0%+3.0%4.116%
11/9/2021 Candriam Luxembourg S.C.A.1,468,846$5.11M0.0%+31.9%3.069%
11/8/2021 Russell Investments Group Ltd.87,636$304K0.0%+72.7%0.195%
10/12/2021 Marquette Asset Management LLC27,641$96K0.0%+21.8%0.061%
9/17/2021 Virtu Financial LLC64,020$248K0.0%N/A0.142%
9/3/2021Parametric Portfolio Associates LLC89,340$347K0.0%+106.5%0.199%
8/17/2021 Raffles Associates LP100,000$388K0.3%+100.0%0.222%
8/17/2021 Millennium Management LLC532,327$2.07M0.0%+510.2%1.184%
8/17/2021 Armistice Capital LLC2,224,000$8.63M0.2%-0.5%4.945%
8/17/2021 Boothbay Fund Management LLC21,145$82K0.0%+74.2%0.047%
8/17/2021 Bridgeway Capital Management LLC64,000$248K0.0%-57.3%0.142%
8/16/2021SG3 Management LLC10,000$39K0.0%N/A0.022%
8/16/2021 LMR Partners LLP14,225$55K0.0%N/A0.032%
8/16/2021 Cubist Systematic Strategies LLC33,277$129K0.0%-45.4%0.074%
8/16/2021 Occudo Quantitative Strategies LP89,502$347K0.1%-7.9%0.199%
8/16/2021New York Life Investments Alternatives11,324$44K0.0%N/A0.025%
8/16/2021 Charles Schwab Investment Management Inc.194,046$753K0.0%-12.9%0.431%
8/16/2021 State Street Corp170,423$661K0.0%-72.2%0.379%
8/16/2021Tibra Equities Europe Ltd72,700$282K0.1%N/A0.162%
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8/16/2021 Federated Hermes Inc.523,682$2.03M0.0%+15,588.5%1.164%
8/16/2021 Goldman Sachs Group Inc.189,721$736K0.0%+18.9%0.422%
8/13/2021 Renaissance Technologies LLC355,841$1.38M0.0%-38.4%0.791%
8/13/2021 Northern Trust Corp102,163$396K0.0%-72.5%0.227%
8/13/2021 Franklin Resources Inc.528,688$2.05M0.0%-41.9%1.176%
8/13/2021 Geode Capital Management LLC472,303$1.83M0.0%-28.1%1.050%
8/13/2021 Vanguard Group Inc.1,883,644$7.31M0.0%-6.1%4.188%
8/12/2021 Vida Ventures Advisors LLC384,635$1.49M0.4%-14.5%0.855%
8/12/2021 Dimensional Fund Advisors LP469,193$1.82M0.0%-5.7%1.043%
8/12/2021 JPMorgan Chase & Co.55,522$216K0.0%-80.2%0.123%
(Data available from 1/1/2016 forward)

ASMB Institutional Ownership - Frequently Asked Questions

Who are the largest shareholders of ASMB shares?

During the previous two years, 20 institutional investors and hedge funds held shares of Assembly Biosciences. The most heavily invested institutionals were Gilead Sciences Inc. ($34.87M), Vanguard Group Inc. ($2.61M), Renaissance Technologies LLC ($1.50M), Peapod Lane Capital LLC ($994K), B Group Inc. ($799K), Geode Capital Management LLC ($712K), and Monimus Capital Management LP ($664K).Learn more on ASMB's institutional investors.

What percentage of Assembly Biosciences stock is owned by institutional investors?

19.92% of Assembly Biosciences stock is owned by institutional investors. Learn more on ASMB's institutional investor holdings.

Which institutional investors have been buying Assembly Biosciences stock?

Of the 15 institutional investors that purchased Assembly Biosciences stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Gilead Sciences Inc. ($2.21M), Armistice Capital LLC ($468K), Acuitas Investments LLC ($265.59K), Peapod Lane Capital LLC ($62.97K), Marquette Asset Management LLC ($54.46K), B Group Inc. ($50.65K), and Renaissance Technologies LLC ($44.54K).

How much institutional buying is happening at Assembly Biosciences?

Institutional investors have bought a total of 3,278,704 shares in the last 24 months. This purchase volume represents approximately $48.66M in transactions.

Which Assembly Biosciences major shareholders have been selling company stock?

The following institutional investors have sold Assembly Biosciences stock in the last 24 months: Vanguard Group Inc. ($2.14M), Hudson Bay Capital Management LP ($626.47K), Armistice Capital LLC ($144.22K), Acadian Asset Management LLC ($138.63K), Marquette Asset Management LLC ($45.45K), Federated Hermes Inc. ($37.12K), and Geode Capital Management LLC ($7.38K).

How much institutional selling is happening at Assembly Biosciences?

Institutional investors have sold a total of 3,143,154 shares in the last 24 months. This volume of shares sold represents approximately $39.41M in transactions.


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This page (NASDAQ:ASMB) was last updated on 5/22/2025 by MarketBeat.com Staff
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