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Assembly Biosciences (ASMB) Institutional Ownership

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$18.64 -0.20 (-1.06%)
Closing price 07/15/2025 04:00 PM Eastern
Extended Trading
$18.59 -0.05 (-0.27%)
As of 07/15/2025 04:04 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)
$45.53M
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
7/15/2025Palumbo Wealth Management LLC18,667$338K0.1%+3.8%0.244%
5/21/2025Acadian Asset Management LLC23,027$219K0.0%+42.1%0.301%
5/15/2025Armistice Capital LLC23,858$228K0.0%-85.8%0.312%
5/13/2025American Century Companies Inc.11,799$113K0.0%N/A0.154%
4/22/2025Palumbo Wealth Management LLC17,986$172K0.1%+57.4%0.240%
2/17/2025Man Group plc19,567$309K0.0%N/A0.308%
2/14/2025Northern Trust Corp28,649$452K0.0%-3.9%0.450%
2/14/2025B Group Inc.50,651$799K0.5%N/A0.796%
2/14/2025Gilead Sciences Inc.2,209,471$34.87M2.2%N/A34.740%
2/13/2025Marshall Wace LLP14,823$234K0.0%+16.5%0.233%
2/13/2025Renaissance Technologies LLC94,711$1.50M0.0%+44.3%1.489%
2/12/2025JPMorgan Chase & Co.11,427$180K0.0%+225.6%0.180%
2/10/2025Monimus Capital Management LP42,067$664K0.6%N/A0.661%
1/30/2025Palumbo Wealth Management LLC11,427$180K0.1%N/A0.180%
1/29/2025Peapod Lane Capital LLC62,970$994K1.0%N/A0.990%
12/26/2024JPMorgan Chase & Co.3,509$53K0.0%+5,137.3%0.055%
11/16/2024Geode Capital Management LLC47,034$712K0.0%-13.6%0.740%
11/13/2024FMR LLC15,855$240K0.0%+29.7%0.249%
8/15/2024Armistice Capital LLC468,000$6.42M0.1%N/A8.489%
8/9/2024Renaissance 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%
5/10/2024Vanguard Group Inc.196,368$2.61M0.0%-91.6%3.581%
5/7/2024Marquette Asset Management LLC9,016$120K0.0%-83.4%0.165%
2/2/2024Marquette Asset Management LLC54,464$45K0.0%N/A0.083%
2/2/2024Acuitas Investments LLC265,585$218K0.1%N/A0.404%
1/31/2024Federated Hermes Inc.304,735$250K0.0%-10.9%0.463%
12/7/2023Hudson 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%
5/12/2023Platinum Investment Management Ltd.890,736$749K0.0%-18.6%1.709%
5/8/2023Federated Hermes Inc.363,023$305K0.0%-2.8%0.699%
2/14/2023Susquehanna International Group LLP21,255$28K0.0%-37.7%0.044%
2/13/2023Platinum Investment Management Ltd.1,094,770$1.42M0.1%-24.5%2.244%
2/10/2023Connor Clark & Lunn Investment Management Ltd.65,393$85K0.0%-49.6%0.134%
11/15/2022Platinum Investment Management Ltd.1,450,328$2.38M0.1%-8.9%2.973%
11/14/2022Healthcare of Ontario Pension Plan Trust Fund570,300$935K0.0%N/A1.169%
11/10/2022Connor Clark & Lunn Investment Management Ltd.129,752$213K0.0%-9.2%0.268%
11/7/2022Virtu Financial LLC30,046$49K0.0%N/A0.062%
11/3/2022Barclays PLC37,194$61K0.0%-76.9%0.077%
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10/27/2022 Assenagon Asset Management S.A.253,783$416K0.0%-62.9%0.524%
9/16/2022Federated Hermes Inc.373,665$785K0.0%-2.0%0.771%
8/11/2022Platinum Investment Management Ltd.1,591,272$3.34M0.1%-16.7%3.300%
8/5/2022Connor 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%
7/19/2022Commonwealth Equity Services LLC25,749$54K0.0%+30.4%0.053%
5/16/2022Eversept Partners LP280,000$577K0.0%-9.7%0.582%
5/12/2022Acadian Asset Management LLC927,402$1.91M0.0%-42.4%1.927%
5/11/2022GSA Capital Partners LLP135,834$280K0.0%N/A0.282%
4/26/2022Marquette 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%
2/14/2022Deep Track Capital LP3,000,000$6.99M0.5%N/A6.268%
2/14/2022Eversept Partners LP310,000$722K0.1%-11.4%0.648%
2/10/2022Candriam 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%
2/10/2022Connor Clark & Lunn Investment Management Ltd.170,216$397K0.0%+8.8%0.356%
2/9/2022Dimensional Fund Advisors LP553,428$1.29M0.0%+54.0%1.156%
1/21/2022Russell Investments Group Ltd.123,748$288K0.0%+41.2%0.259%
1/19/2022Marquette Asset Management LLC48,000$112K0.0%+73.7%0.100%
12/29/2021Hudson Bay Capital Management LP850,000$2.96M0.0%+13.3%1.776%
11/16/2021Two Sigma Advisers LP348,700$1.21M0.0%-53.9%0.729%
11/15/2021Hudson Bay Capital Management LP850,000$2.96M0.0%+13.3%1.776%
11/15/2021Eversept Partners LP350,000$1.22M0.1%N/A0.731%
11/15/2021Dimensional Fund Advisors LP359,315$1.25M0.0%-23.4%0.751%
11/15/2021Franklin Resources Inc.584,688$2.04M0.0%+10.6%1.222%
11/12/2021Renaissance Technologies LLC130,600$454K0.0%-63.3%0.273%
11/12/2021Prosight Management LP265,634$924K0.5%+78.2%0.555%
11/12/2021Geode Capital Management LLC525,263$1.83M0.0%+11.2%1.097%
11/12/2021Connor Clark & Lunn Investment Management Ltd.156,415$544K0.0%+3.1%0.327%
11/10/2021Goldman Sachs Group Inc.131,367$457K0.0%-30.8%0.292%
11/10/2021IndexIQ Advisors LLC97,739$340K0.0%+11.1%0.204%
11/9/2021Barclays PLC212,980$742K0.0%+31.3%0.445%
11/9/2021BlackRock Inc.1,969,977$6.86M0.0%+3.0%4.116%
11/9/2021Candriam Luxembourg S.C.A.1,468,846$5.11M0.0%+31.9%3.069%
11/8/2021Russell Investments Group Ltd.87,636$304K0.0%+72.7%0.195%
10/12/2021Marquette Asset Management LLC27,641$96K0.0%+21.8%0.061%
9/17/2021Virtu Financial LLC64,020$248K0.0%N/A0.142%
9/3/2021Parametric Portfolio Associates LLC89,340$347K0.0%+106.5%0.199%
8/17/2021Raffles Associates LP100,000$388K0.3%+100.0%0.222%
8/17/2021Millennium Management LLC532,327$2.07M0.0%+510.2%1.184%
8/17/2021Armistice Capital LLC2,224,000$8.63M0.2%-0.5%4.945%
8/17/2021Boothbay Fund Management LLC21,145$82K0.0%+74.2%0.047%
8/17/2021Bridgeway Capital Management LLC64,000$248K0.0%-57.3%0.142%
8/16/2021SG3 Management LLC10,000$39K0.0%N/A0.022%
8/16/2021LMR Partners LLP14,225$55K0.0%N/A0.032%
8/16/2021Cubist Systematic Strategies LLC33,277$129K0.0%-45.4%0.074%
8/16/2021Occudo Quantitative Strategies LP89,502$347K0.1%-7.9%0.199%
8/16/2021New York Life Investments Alternatives11,324$44K0.0%N/A0.025%
8/16/2021Charles Schwab Investment Management Inc.194,046$753K0.0%-12.9%0.431%
8/16/2021State Street Corp170,423$661K0.0%-72.2%0.379%
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8/16/2021Tibra Equities Europe Ltd72,700$282K0.1%N/A0.162%
8/16/2021Federated Hermes Inc.523,682$2.03M0.0%+15,588.5%1.164%
8/16/2021Goldman Sachs Group Inc.189,721$736K0.0%+18.9%0.422%
8/13/2021Renaissance Technologies LLC355,841$1.38M0.0%-38.4%0.791%
8/13/2021Northern Trust Corp102,163$396K0.0%-72.5%0.227%
8/13/2021Franklin Resources Inc.528,688$2.05M0.0%-41.9%1.176%
8/13/2021Geode Capital Management LLC472,303$1.83M0.0%-28.1%1.050%
8/13/2021Vanguard 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%
8/12/2021Dimensional Fund Advisors LP469,193$1.82M0.0%-5.7%1.043%
(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 Assembly Biosciences' 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 2,959,336 shares in the last 24 months. This purchase volume represents approximately $45.53M in transactions.

Which of Assembly Biosciences' major shareholders have been selling company stock?

The following institutional investors have sold Assembly Biosciences stock in the last 24 months: Armistice Capital LLC ($144.22K), Geode Capital Management LLC ($7.38K), and Northern Trust Corp ($1.18K).

How much institutional selling is happening at Assembly Biosciences?

Institutional investors have sold a total of 152,766 shares in the last 24 months. This volume of shares sold represents approximately $1.51M in transactions.


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This page (NASDAQ:ASMB) was last updated on 7/16/2025 by MarketBeat.com Staff
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