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Assertio (ASRT) Institutional Ownership

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Institutional Ownership Changes (13F Filings) for Assertio (NASDAQ:ASRT)

Current
Institutional Ownership
Percentage
48.96%
Number of
Institutional Buyers
(last 12 months)
17
Total
Institutional Inflows
(last 12 months)
$18.70M
Number of
Institutional Sellers
(last 12 months)
14
Total
Institutional Outflows
(last 12 months)
$139.66M
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ASRT Institutional Buying and Selling by Quarter

Assertio Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
5/19/2026Bank of America Corp DE25,033$477K0.0%+6,505.0%0.388%
5/18/2026Empowered Funds LLC16,014$305K0.0%+7.1%0.248%
5/15/2026Corsair Capital Management L.P.25,549$487K0.1%N/A0.395%
5/14/2026Renaissance Technologies LLC228,599$4.36M0.0%+19.9%3.539%
5/14/2026Sei Investments Co.54,940$1.05M0.0%N/A0.850%
5/14/2026 Walleye Capital LLC65,926$1.26M0.0%N/A1.021%
5/7/2026Dimensional Fund Advisors LP14,135$269K0.0%N/A0.219%
2/18/2026Empowered Funds LLC14,955$136K0.0%-93.3%0.233%
2/18/2026Opaleye Management Inc.285,000$2.59M0.3%N/A4.438%
2/18/2026Millennium Management LLC34,478$313K0.0%-94.3%0.537%
2/18/2026Bridgeway Capital Management LLC14,955$136K0.0%-93.3%0.233%
2/17/2026AQR Capital Management LLC14,172$129K0.0%-96.2%0.221%
2/17/2026Rothschild Wealth LLC19,000$172K0.0%N/A0.296%
2/13/2026Nantahala Capital Management LLC587,335$5.33M0.2%-93.3%9.149%
2/13/2026State Street Corp25,672$233K0.0%-93.0%0.400%
2/12/2026Jane Street Group LLC11,841$107K0.0%-52.0%0.184%
2/12/2026Renaissance Technologies LLC190,697$1.73M0.0%-93.5%2.969%
2/12/2026Edgewood Management LLC107,518$975K0.0%N/A1.674%
2/11/2026Empowered Funds LLC14,955$136K0.0%-93.3%0.233%
2/9/2026Geode Capital Management LLC69,065$627K0.0%-93.2%1.075%
2/2/2026CM Management LLC50,000$454K0.4%-93.1%0.779%
1/21/2026 TSP Capital Management Group LLC25,056$227K0.1%-92.1%0.390%
1/20/2026 Thurston Springer Miller Herd & Titak Inc.4,499$41K0.0%N/A0.070%
11/17/2025Perritt Capital Management Inc350,316$309K0.1%+51.6%0.364%
11/17/2025Millennium Management LLC605,983$534K0.0%-12.7%0.630%
11/14/2025Virtu Financial LLC29,430$26K0.0%N/A0.031%
11/14/2025Two Sigma Investments LP371,429$327K0.0%-14.7%0.386%
11/7/2025GSA Capital Partners LLP381,584$336K0.0%+536.0%0.396%
11/7/2025Vanguard Group Inc.4,425,543$3.90M0.0%+0.9%4.598%
11/3/2025 Belpointe Asset Management LLC33,195$29K0.0%-60.9%0.034%
8/15/2025Bridgeway Capital Management LLC223,401$143K0.0%-15.2%0.232%
8/14/2025Nantahala Capital Management LLC8,810,073$5.65M0.2%+4.4%9.154%
8/13/2025Invesco Ltd.270,729$174K0.0%-36.4%0.283%
8/11/2025 TSP Capital Management Group LLC316,875$203K0.1%+12.2%0.331%
8/8/2025Geode Capital Management LLC1,021,383$655K0.0%-7.8%1.066%
6/27/2025Goldman Sachs Group Inc.68,373$46K0.0%-26.4%0.071%
5/20/2025Belpointe Asset Management LLC95,679$65K0.0%N/A0.100%
5/16/2025Empowered Funds LLC263,401$178K0.0%-42.1%0.275%
5/16/2025Goldman Sachs Group Inc.68,373$46K0.0%-26.4%0.071%
5/16/2025AQR Capital Management LLC636,771$430K0.0%-29.4%0.665%
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5/15/2025Nantahala Capital Management LLC8,439,762$5.69M0.2%+3.6%8.812%
5/12/2025Invesco Ltd.425,488$287K0.0%-24.4%0.444%
5/9/2025CM Management LLC475,000$320K0.3%+18.8%0.496%
4/22/2025Palumbo Wealth Management LLC171,176$115K0.0%-16.7%0.179%
2/17/2025Two Sigma Advisers LP716,134$624K0.0%-3.9%0.750%
2/17/2025Two Sigma Investments LP910,046$793K0.0%+3.9%0.953%
2/17/2025Point72 Asia Singapore Pte. Ltd.51,212$45K0.0%-24.6%0.054%
2/17/2025Millennium Management LLC1,101,278$959K0.0%-7.1%1.153%
2/17/2025Bridgeway Capital Management LLC455,282$397K0.0%-8.7%0.477%
2/14/2025Jane Street Group LLC69,704$61K0.0%-45.8%0.073%
2/14/2025Nantahala Capital Management LLC8,148,336$7.10M0.3%-8.9%8.534%
2/14/2025Northern Trust Corp227,217$198K0.0%+21.3%0.238%
2/14/2025Stifel Financial Corp31,500$27K0.0%N/A0.033%
2/13/2025Marshall Wace LLP73,909$64K0.0%N/A0.077%
2/13/2025XTX Topco Ltd51,341$45K0.0%-70.1%0.054%
2/13/2025Renaissance Technologies LLC2,993,497$2.61M0.0%-7.4%3.135%
2/13/2025Russell Investments Group Ltd.424,059$369K0.0%-35.9%0.444%
2/12/2025Perritt Capital Management Inc372,899$325K0.2%-4.4%0.391%
2/12/2025Geode Capital Management LLC1,095,911$955K0.0%+2.0%1.148%
2/10/2025Commonwealth Equity Services LLC34,101$30K0.0%N/A0.036%
2/7/2025Wealthfront Advisers LLC61,122$53K0.0%N/A0.064%
2/7/2025CM Management LLC400,000$348K0.3%+23.1%0.419%
1/30/2025Palumbo Wealth Management LLC205,598$179K0.1%+10.6%0.215%
1/28/2025Empowered Funds LLC455,282$397K0.0%+5.4%0.477%
1/23/2025Sonora Investment Management Group LLC44,735$39K0.0%N/A0.047%
1/14/2025Thurston Springer Miller Herd & Titak Inc.67,500$59K0.0%+33.7%0.071%
11/16/2024Geode Capital Management LLC1,074,852$1.27M0.0%+4.1%1.126%
11/15/2024XTX Topco Ltd171,842$203K0.0%N/A0.180%
11/15/2024Jane Street Group LLC128,684$152K0.0%-68.3%0.135%
11/15/2024Point72 Asia Singapore Pte. Ltd.67,936$80K0.0%-43.4%0.071%
11/14/2024Captrust Financial Advisors22,410$26K0.0%N/A0.024%
11/6/2024Empowered Funds LLC431,913$510K0.0%+5.4%0.453%
11/5/2024GSA Capital Partners LLP149,968$177K0.0%N/A0.157%
10/28/2024Palumbo Wealth Management LLC185,961$219K0.1%+9.3%0.195%
10/11/2024Thurston Springer Miller Herd & Titak Inc.50,500$60K0.0%+304.0%0.053%
9/16/2024Point72 DIFC Ltd31,929$40K0.0%N/A0.034%
9/16/2024Point72 Asia Singapore Pte. Ltd.120,088$149K0.0%N/A0.126%
8/15/2024AQR Capital Management LLC2,307,849$2.86M0.0%-28.6%2.426%
8/15/2024Point72 Asia Singapore Pte. Ltd.120,088$149K0.0%N/A0.126%
8/14/2024Point72 DIFC Ltd31,929$40K0.0%N/A0.034%
8/14/2024Marshall Wace LLP56,500$70K0.0%N/A0.059%
8/9/2024Renaissance Technologies LLC2,377,614$2.95M0.0%+13.7%2.499%
8/8/2024Perritt Capital Management Inc426,850$529K0.3%+16.1%0.449%
8/6/2024Los Angeles Capital Management LLC61,992$77K0.0%N/A0.065%
7/26/2024Bank of New York Mellon Corp351,721$436K0.0%-39.6%0.370%
7/24/2024SummerHaven Investment Management LLC161,171$200K0.1%+10.9%0.169%
5/10/2024Vanguard Group Inc.4,919,614$4.72M0.0%+0.8%5.172%
5/8/2024Russell Investments Group Ltd.2,347,024$2.25M0.0%+22,096.2%2.467%
5/7/2024SG Americas Securities LLC31,631$30K0.0%-43.3%0.033%
5/7/2024Empowered Funds LLC380,417$365K0.0%+8.2%0.400%
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4/30/2024TSP Capital Management Group LLC214,500$206K0.1%+18.5%0.226%
4/19/2024Denali Advisors LLC165,200$158K0.0%+286.9%0.174%
2/13/2024Armistice Capital LLC5,800,000$6.21M0.1%+47.8%6.127%
2/12/2024Senvest Management LLC562,898$602K0.0%N/A0.595%
2/5/2024Sargent Investment Group LLC44,864$48K0.0%-44.3%0.047%
1/16/2024TSP Capital Management Group LLC180,950$194K0.1%+14.7%0.191%
1/12/2024SG Americas Securities LLC55,769$60K0.0%+45.4%0.059%
11/15/2023Alethea Capital Management LLC133,793$343K0.4%N/A0.237%
11/15/2023Worth Venture Partners LLC230,773$591K0.4%+903.4%0.408%
11/15/2023Kennedy Capital Management LLC794,087$2.03M0.0%+8.5%1.405%


ASRT Institutional Ownership - Frequently Asked Questions

During the previous two years, 41 institutional investors and hedge funds held shares of Assertio. The most heavily invested institutionals were Nantahala Capital Management LLC ($5.33M), Renaissance Technologies LLC ($4.36M), Vanguard Group Inc. ($3.90M), Opaleye Management Inc. ($2.59M), Walleye Capital LLC ($1.26M), Sei Investments Co. ($1.05M), and Edgewood Management LLC ($975K).Learn more on Assertio's institutional investors.

48.96% of Assertio's stock is owned by institutional investors. Learn more on ASRT's institutional investor holdings.

Of the 32 institutional investors that purchased Assertio's stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Nantahala Capital Management LLC ($661.74K), GSA Capital Partners LLP ($471.55K), Renaissance Technologies LLC ($323.56K), Opaleye Management Inc. ($285K), Point72 Asia Singapore Pte. Ltd. ($240.18K), Perritt Capital Management Inc ($178.61K), and XTX Topco Ltd ($171.84K).

Institutional investors have bought a total of 1,556,670 shares in the last 24 months. This purchase volume represents approximately $18.70M in transactions.

Of the 14 institutional investors that sold Assertio's stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Nantahala Capital Management LLC ($8.22M), Renaissance Technologies LLC ($2.75M), Geode Capital Management LLC ($1.04M), CM Management LLC ($674.38K), Millennium Management LLC ($660.05K), Empowered Funds LLC ($418.73K), and AQR Capital Management LLC ($355.72K).

Institutional investors have sold a total of 15,288,279 shares in the last 24 months. This volume of shares sold represents approximately $139.66M in transactions.


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Institutional ownership data for NASDAQ:ASRT is compiled from quarterly 13F filings submitted to the U.S. Securities and Exchange Commission (SEC), with the most recent received on 5/19/2026. New 13F filings are added each quarter as they're published.
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