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Repligen (RGEN) Institutional Ownership

Repligen logo
$176.27 -5.76 (-3.16%)
As of 08/28/2026 04:00 PM Eastern
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Institutional Ownership Changes (13F Filings) for Repligen (NASDAQ:RGEN)

Current
Institutional Ownership
Percentage
97.64%
Number of
Institutional Buyers
(last 12 months)
252
Total
Institutional Inflows
(last 12 months)
$5.11B
Number of
Institutional Sellers
(last 12 months)
156
Total
Institutional Outflows
(last 12 months)
$3.73B
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RGEN Institutional Buying and Selling by Quarter

Repligen Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
8/27/2026 Corient Private Wealth LP11,319$1.54M0.0%+420.9%0.020%
8/26/2026 Amundi12,117$1.65M0.0%-73.0%0.021%
8/25/2026 VIRGINIA RETIREMENT SYSTEMS ET Al8,600$1.17M0.0%N/A0.015%
8/24/2026 California State Teachers Retirement System8,201,681$1.12B0.0%+13,158.5%14.532%
8/23/2026 Angeles Wealth Management LLC2,757$376K0.0%+6.6%0.005%
8/21/2026 Nykredit A S1,968$269K0.0%N/A0.003%
8/21/2026 B. Metzler seel. Sohn & Co. AG26,361$3.60M0.0%+52.8%0.047%
8/20/2026 Moore Capital Management LP37,549$5.12M0.1%N/A0.067%
8/20/2026 Northwestern Mutual Wealth Management Co.381$52K0.0%-52.5%0.001%
8/20/2026 Thornburg Investment Management Inc.43,887$5.99M0.1%+49.3%0.078%
8/19/2026 UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC161,713$22.06M0.0%-1.2%0.287%
8/19/2026 Van ECK Associates Corp17,887$2.44M0.0%+173.8%0.032%
8/19/2026 Hsbc Holdings PLC24,170$3.30M0.0%+22.2%0.043%
8/18/2026 North Star Asset Management Inc.77,561$10.58M0.4%N/A0.137%
8/18/2026 United Capital Financial Advisors LLC2,790,650$380.76M2.1%N/A4.944%
8/18/2026 Equitable Holdings Inc.11,404$1.56M0.0%N/A0.020%
8/18/2026 Public Employees Retirement System of Ohio55,503$7.57M0.0%N/A0.098%
8/17/2026 Corient Private Wealth LP11,286$1.54M0.0%N/A0.020%
8/17/2026 Bamco Inc. NY748,466$102.12M0.2%N/A1.326%
8/17/2026 Bank of America Corp DE426,291$58.16M0.0%N/A0.755%
8/15/2026 American Capital Management Inc.361,055$49.26M2.2%N/A0.640%
8/15/2026 Caisse de depot et placement du Quebec2,300$314K0.0%N/A0.004%
8/15/2026 Jupiter Topco LLC406,001$55.39M0.0%N/A0.719%
8/15/2026 ABS Investment Management LLC136$191.02M0.1%N/A0.000%
8/14/2026 Hsbc Holdings PLC24,170$3.30M0.0%N/A0.043%
8/14/2026 EFG International AG40,543$5.53M0.1%N/A0.072%
8/14/2026 Primecap Management Co. CA323,268$44.11M0.0%N/A0.573%
8/14/2026 Canada Pension Plan Investment Board1,900$259K0.0%N/A0.003%
8/14/2026 Osterweis Capital Management Inc.110,995$15.14M0.7%N/A0.197%
8/14/2026 Legal & General Group Plc68,988$9.41M0.0%N/A0.122%
8/14/2026 The Manufacturers Life Insurance Company 38,172$5.21M0.0%N/A0.068%
8/14/2026 Kelly Lawrence W & Associates Inc. CA59,250$8.08M1.7%N/A0.105%
8/13/2026 Blue Whale Capital LLP178,377$24.34M0.8%N/A0.316%
8/13/2026 Connor Clark & Lunn Investment Management Ltd.23,577$3.22M0.0%N/A0.042%
8/13/2026 Bank of Nova Scotia25,992$3.55M0.0%N/A0.046%
8/12/2026 Commerce Bank13,920$1.90M0.0%N/A0.025%
8/12/2026 Weitz Investment Management Inc.40,800$5.57M0.4%N/A0.072%
8/12/2026 Northwestern Mutual Wealth Management Co.381$52K0.0%N/A0.001%
8/12/2026 Evolve Private Wealth LLC3,801$519K0.0%N/A0.007%
8/12/2026 William Blair Investment Management LLC788,571$107.59M0.3%N/A1.397%
Why Boston Ships In Natural Gas It Already Has at Home (Ad)

A tanker called the Iberica Knutsen once sailed 2,272 miles from Trinidad and Tobago to deliver liquefied natural gas to Boston. The odd part: the Marcellus Shale, one of the largest natural gas reserves in the world, sits just a few hundred miles away. Porter Stansberry spent years digging into why this happens and what it means for the American energy system.tc pixel

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8/12/2026 Callan Family Office LLC4,712$643K0.0%N/A0.008%
8/11/2026 Allworth Financial LP524$71K0.0%N/A0.001%
8/11/2026 B. Metzler seel. Sohn & Co. AG26,361$3.60M0.0%N/A0.047%
8/11/2026 D L Carlson Investment Group Inc.4,098$559K0.1%N/A0.007%
8/10/2026 Diversify Advisory Services LLC18,594$2.44M0.0%N/A0.033%
8/8/2026 Alpine Woods Capital Investors LLC2,165$295K0.1%N/A0.004%
8/7/2026 Rice Hall James & Associates LLC18,833$2.57M0.1%N/A0.033%
8/7/2026 Trust Co. of Vermont520$71K0.0%N/A0.001%
8/7/2026 TimesSquare Capital Management LLC446,964$60.98M0.9%N/A0.792%
8/7/2026 Persistent Asset Partners Ltd3,902$532K0.2%N/A0.007%
8/6/2026 Global Retirement Partners LLC4,799$655K0.0%N/A0.009%
8/6/2026 GSA Capital Partners LLP2,461$336K0.0%N/A0.004%
8/3/2026 Oppenheimer Asset Management Inc.46,326$6.32M0.1%N/A0.082%
7/10/2026 Wasatch Advisors LP1,590,251$216.97M1.4%+27.9%2.819%
7/10/2026 Handelsbanken Fonder AB22,070$3.01M0.0%+11.8%0.039%
7/9/2026 Everhart Financial Group Inc.2,219$303K0.0%N/A0.004%
7/8/2026 Trust Point Inc.1,755$239K0.0%-32.2%0.003%
7/8/2026 Assenagon Asset Management S.A.70,995$9.69M0.0%N/A0.126%
7/7/2026 Balefire LLC2,019$275K0.0%N/A0.004%
7/7/2026 GAMMA Investing LLC1,944$265K0.0%+28.7%0.003%
7/7/2026 Harbor Investment Advisory LLC523$71K0.0%+198.9%0.001%
7/7/2026 Moody National Bank Trust Division17,728$2.42M0.2%N/A0.031%
6/18/2026 Pacer Advisors Inc.8,337$982K0.0%-20.4%0.015%
6/1/2026 Integrated Investment Consultants LLC2,248$265K0.1%-4.7%0.004%
5/29/2026 Perceptive Advisors LLC280,541$33.05M0.6%-11.1%0.497%
5/28/2026 Avidity Partners Management LP77,800$9.17M1.8%+54.7%0.138%
5/27/2026 Alpine Woods Capital Investors LLC2,297$271K0.1%-62.6%0.004%
5/26/2026 Glenmede Trust Co. NA8,268$974K0.0%+10.3%0.015%
5/22/2026 Summitry LLC2,385$281K0.0%+37.0%0.004%
5/22/2026 Segall Bryant & Hamill LLC155,025$18.27M0.2%+5.5%0.275%
5/19/2026 Kensington Investment Counsel LLC2,107$248K0.1%-59.8%0.004%
5/18/2026 Amundi44,959$5.30M0.0%+7.0%0.080%
5/18/2026 California State Teachers Retirement System61,860$7.29M0.0%+22.1%0.110%
5/18/2026 Ranger Investment Management L.P.161,135$18.99M1.4%-0.8%0.286%
5/18/2026 Eversept Partners LP120,785$14.23M0.8%N/A0.214%
5/16/2026 American Capital Management Inc.357,720$42.15M2.3%+6.7%0.634%
5/16/2026 The Manufacturers Life Insurance Company49,940$5.88M0.0%-12.5%0.089%
5/16/2026 Maverick Capital Ltd.1,518,805$178.95M2.1%N/A2.693%
5/16/2026 Quantinno Capital Management LP11,888$1.40M0.0%+5.4%0.021%
5/15/2026 Rice Hall James & Associates LLC20,151$2.37M0.1%-1.9%0.036%
5/15/2026 Waverly Advisors LLC29,742$3.50M0.0%-3.5%0.053%
5/15/2026 Granahan Investment Management LLC86,953$10.25M0.5%+20.8%0.154%
5/15/2026 Wealth Alliance LLC2,529$298K0.0%+18.1%0.004%
5/14/2026 Public Employees Retirement System of Ohio52,811$6.22M0.0%+16.9%0.094%
5/14/2026 Bank of Nova Scotia22,017$2.59M0.0%-50.5%0.039%
5/14/2026Gibbs Wealth Management10,713$1.26M0.2%+99.9%0.019%
5/14/2026 Sei Investments Co.272,103$32.06M0.0%+49.5%0.482%
5/14/2026 State of Wyoming2,101$248K0.0%-6.5%0.004%
5/13/2026 First Trust Advisors LP630,070$74.24M0.1%+122.8%1.117%
5/12/2026 Westpac Banking Corp11,410$1.34M0.1%-7.2%0.020%
Why Boston Ships In Natural Gas It Already Has at Home (Ad)

A tanker called the Iberica Knutsen once sailed 2,272 miles from Trinidad and Tobago to deliver liquefied natural gas to Boston. The odd part: the Marcellus Shale, one of the largest natural gas reserves in the world, sits just a few hundred miles away. Porter Stansberry spent years digging into why this happens and what it means for the American energy system.tc pixel

Uncover the full story behind Boston's costly LNG imports
5/8/2026 PNC Financial Services Group Inc.7,271$857K0.0%+62.9%0.013%
5/7/2026 Dimensional Fund Advisors LP854,741$100.68M0.0%+6.3%1.516%
5/7/2026 KBC Group NV1,837$216K0.0%+20.7%0.003%
5/7/2026 Swiss National Bank105,800$12.47M0.0%+0.4%0.188%
5/7/2026 Roubaix Capital LLC54,555$6.43M3.0%N/A0.097%
5/6/2026 Jennison Associates LLC121,239$14.28M0.0%-1.9%0.215%
5/6/2026 California Public Employees Retirement System66,759$7.87M0.0%-4.8%0.118%
5/6/2026 Angeles Wealth Management LLC2,587$305K0.0%+27.3%0.005%
5/6/2026 Bessemer Group Inc.1,943$229K0.0%-80.9%0.003%
5/6/2026 Jag Capital Management LLC1,936$228K0.0%+43.8%0.003%


RGEN Institutional Ownership - Frequently Asked Questions

During the previous two years, 479 institutional investors and hedge funds held shares of Repligen. The most heavily invested institutionals were Opti Capital Management LP ($2.40B), California State Teachers Retirement System ($1.12B), Vanguard Group Inc. ($818.31M), Price T Rowe Associates Inc. MD ($753.60M), United Capital Financial Advisors LLC ($380.76M), State Street Corp ($241.64M), and Wasatch Advisors LP ($216.97M).Learn more on Repligen's institutional investors.

97.64% of Repligen's stock is owned by institutional investors. Learn more on RGEN's institutional investor holdings.

Of the 408 institutional investors that purchased Repligen's stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: California State Teachers Retirement System ($8.15M), United Capital Financial Advisors LLC ($5.55M), Price T Rowe Associates Inc. MD ($2.27M), Opti Capital Management LP ($2.18M), Wasatch Advisors LP ($1.59M), Maverick Capital Ltd. ($1.52M), and Massachusetts Financial Services Co. MA ($1.22M).

Institutional investors have bought a total of 36,232,391 shares in the last 24 months. This purchase volume represents approximately $5.11B in transactions.

Of the 156 institutional investors that sold Repligen's stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Lazard Asset Management LLC ($12.31M), Nuveen LLC ($3.91M), UBS Group AG ($1.40M), Brown Capital Management LLC ($731.30K), Balyasny Asset Management L.P. ($652.19K), T. Rowe Price Investment Management Inc. ($528.69K), and Invesco Ltd. ($506.09K).

Institutional investors have sold a total of 23,533,747 shares in the last 24 months. This volume of shares sold represents approximately $3.73B in transactions.


Related Companies

Institutional ownership data for NASDAQ:RGEN is compiled from quarterly 13F filings submitted to the U.S. Securities and Exchange Commission (SEC), with the most recent received on 8/27/2026. New 13F filings are added each quarter as they're published.
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