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Repligen Corp

RGEN
Exchange
Nasdaq
Industry
Biological Products, (No Diagnostic Substances)
SEC CIK
0000730272

In the last 90 days, Repligen Corp insiders filed 0 open-market purchases and 5 sales; 481 institutions reported holding it in 13F filings for Q2 2026, worth $9.00B in total; 3 superinvestors hold it, including Maverick Capital and Duquesne Family Office.

13F holders, Q2 2026

Institutional positions in Repligen Corp as of Jun 30, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
481
+41 vs. Q1 2026
Shares held
66.1M
+681.9K (+1.0%) vs. Q1 2026
Total value
$9.00B
+$1.26B (+16.3%) vs. Q1 2026
New holders
97
176 more added
Sold out
56
142 more reduced

5 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2026: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting RGEN on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ2 2026: 481 institutions
Q1 2021: 459 institutionsQ2 2021: 430 institutionsQ3 2021: 481 institutionsQ4 2021: 508 institutionsQ1 2022: 450 institutionsQ2 2022: 406 institutionsQ3 2022: 434 institutionsQ4 2022: 443 institutionsQ1 2023: 448 institutionsQ2 2023: 448 institutionsQ3 2023: 440 institutionsQ4 2023: 467 institutionsQ1 2024: 487 institutionsQ2 2024: 455 institutionsQ3 2024: 445 institutionsQ4 2024: 431 institutionsQ1 2025: 441 institutionsQ2 2025: 446 institutionsQ3 2025: 453 institutionsQ4 2025: 475 institutionsQ1 2026: 445 institutionsQ2 2026: 481 institutions
Value heldQ2 2026: $9.00B
Q1 2021: $8.88BQ2 2021: $9.28BQ3 2021: $13.6BQ4 2021: $12.5BQ1 2022: $9.15BQ2 2022: $8.17BQ3 2022: $9.56BQ4 2022: $9.06BQ1 2023: $9.06BQ2 2023: $7.74BQ3 2023: $9.08BQ4 2023: $10.4BQ1 2024: $10.3BQ2 2024: $7.06BQ3 2024: $8.25BQ4 2024: $8.09BQ1 2025: $7.33BQ2 2025: $7.22BQ3 2025: $8.00BQ4 2025: $10.2BQ1 2026: $7.75BQ2 2026: $9.00B
Institutions holding RGEN and their total value by quarter
QuarterHoldersValue
Q2 2026481$9.00B
Q1 2026445$7.75B
Q4 2025475$10.2B
Q3 2025453$8.00B
Q2 2025446$7.22B
Q1 2025441$7.33B
Q4 2024431$8.09B
Q3 2024445$8.25B
Q2 2024455$7.06B
Q1 2024487$10.3B
Q4 2023467$10.4B
Q3 2023440$9.08B
Q2 2023448$7.74B
Q1 2023448$9.06B
Q4 2022443$9.06B
Q3 2022434$9.56B
Q2 2022406$8.17B
Q1 2022450$9.15B
Q4 2021508$12.5B
Q3 2021481$13.6B
Q2 2021430$9.28B
Q1 2021459$8.88B

Institutions, Q2 2026

Shares, value and share of portfolio for each institution holding Repligen Corp; share changes are against Q1 2026.

Institutions holding RGEN in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock, Inc.5,384,938$734.7M0.01%−608,116−10.1%Reduced
FMR LLC3,326,690$453.9M0.02%+439,904+15.2%Added
United Capital Financial Advisers, LLC2,790,650$380.8M2.10%+16,670+0.6%Added
Vanguard Capital Management LLC2,411,171$329.0M0.01%+14,660+0.6%Added
Vanguard Portfolio Management LLC2,312,825$315.6M0.01%+7,731+0.3%Added
Maverick Capital LtdSuperinvestorMaverick Capital1,984,554$270.8M2.44%+465,749+30.7%Added
State Street Corp1,800,530$245.7M0.01%+23,245+1.3%Added
Price T Rowe Associates Inc1,752,274$239.1M0.02%−3,125,867−64.1%Reduced
Massachusetts Financial Services Co1,617,021$220.6M0.07%+219,506+15.7%Added
Wasatch Advisors Inc1,590,251$217.0M1.42%+346,720+27.9%Added
Ameriprise Financial Inc1,576,132$215.0M0.04%+650,918+70.4%Added
Bank of New York Mellon Corp1,522,859$207.8M0.03%−8,543−0.6%Reduced
T. Rowe Price Investment Management, Inc.1,411,619$192.6M0.13%+44,939+3.3%Added
Invesco Ltd.1,387,242$189.3M0.01%+108,987+8.5%Added
Holocene Advisors, LP1,292,191$176.3M0.40%+583,302+82.3%Added
RTW Investments, LP1,240,637$169.3M1.45%+34,637+2.9%Added
Geode Capital Management, LLC1,062,476$145.0M0.01%−1,981−0.2%Reduced
Congress Asset Management Co1,012,226$138.1M0.85%+214,359+26.9%Added
Conestoga Capital Advisors, LLC980,983$133.8M2.91%−116,800−10.6%Reduced
Goldman Sachs Group Inc965,411$131.7M0.01%+314,064+48.2%Added
Dimensional Fund Advisors LP949,863$129.6M0.02%+95,122+11.1%Added
Stephens Investment Management Group LLC937,084$127.9M1.37%+181,513+24.0%Added
Franklin Resources Inc890,216$121.5M0.03%−302,923−25.4%Reduced
UBS Group AG795,009$108.5M0.02%+124,680+18.6%Added
William Blair Investment Management, LLC788,571$107.6M0.32%+788,571New
Bamco Inc748,466$102.1M0.15%+200,120+36.5%Added
Fred Alger Management, LLC733,739$100.1M0.33%+298,965+68.8%Added
Schroder Investment Management Group696,173$95.0M0.07%+176,059+33.9%Added
Alliancebernstein L.P.795,282$93.7M0.03%−36,510−4.4%Reduced
Geneva Capital Management LLC656,093$89.5M2.05%−37,645−5.4%Reduced
First Trust Advisors LP634,219$86.5M0.05%+4,149+0.7%Added
Norges Bank575,226$78.5M0.01%+575,226New
Voya Investment Management LLC549,203$74.9M0.06%−73,717−11.8%Reduced
Morgan Stanley543,242$74.1M0.00%−140,547−20.6%Reduced
Charles Schwab Investment Management Inc481,744$65.7M0.01%+28,700+6.3%Added
TimesSquare Capital Management, LLC446,964$61.0M0.90%−9,119−2.0%Reduced
Northern Trust Corp444,146$60.6M0.01%−600−0.1%Reduced
Thrivent Financial for Lutherans436,865$59.6M0.10%+11,476+2.7%Added
JPMorgan Chase & Co427,770$58.9M0.00%+299,549+233.6%Added
Bank of America Corp426,291$58.2M0.00%+48,086+12.7%Added
Jupiter Topco LLC406,001$55.4M0.02%+406,001New
Vestal Point Capital, LP400,000$54.6M1.28%−525,000−56.8%Reduced
Impax Asset Management Group plc396,513$54.1M0.35%−41,955−9.6%Reduced
Citadel Advisors LLC376,309$51.3M0.03%−722,872−65.8%Reduced
SEI Investments Co373,307$50.9M0.04%+101,204+37.2%Added
American Capital Management Inc361,055$49.3M2.21%+3,335+0.9%Added
BNP PARIBAS ASSET MANAGEMENT Holding S.A.356,942$48.7M0.05%−20,067−5.3%Reduced
DF Dent & Co Inc356,854$48.7M0.92%−8,261−2.3%Reduced
Balyasny Asset Management LLC355,507$48.5M0.09%+230,038+183.3%Added
Vanguard Fiduciary Trust Co336,295$45.9M0.01%+5,528+1.7%Added
Granahan Investment Management Inc332,271$45.3M1.62%+245,318+282.1%Added
Primecap Management Co323,268$44.1M0.03%+88,200+37.5%Added
Champlain Investment Partners, LLC318,955$43.5M1.12%−374,900−54.0%Reduced
Silvercrest Asset Management Group LLC290,559$39.6M0.26%+205,452+241.4%Added
Marshall Wace, LLP282,107$38.5M0.03%+282,107New
12 West Capital Management LP280,165$38.2M7.15%+88,932+46.5%Added
Daiwa Securities Group Inc.265,972$36.3M0.08%+26,120+10.9%Added
Perceptive Advisors LLC248,212$33.9M0.53%−32,329−11.5%Reduced
LMR Partners LLP228,600$31.2M0.23%−24,460−9.7%Reduced
American Century Companies Inc213,004$29.1M0.01%−22,361−9.5%Reduced
NZS Capital, LLC205,257$28.0M0.73%+2,032+1.0%Added
Bradley Foster & Sargent Inc195,435$26.7M0.38%+195,435New
Blue Whale Capital LLP178,377$24.3M0.77%−225,823−55.9%Reduced
Braidwell LP177,100$24.2M0.89%+129,600+272.8%Added
BNP Paribas Arbitrage, SA176,838$24.1M0.01%−679−0.4%Reduced
Royce & Associates LP174,794$23.8M0.19%+58,862+50.8%Added
Raymond James Financial Inc172,826$23.6M0.01%+3,964+2.3%Added
Riverbridge Partners LLC172,507$23.5M0.66%−85,969−33.3%Reduced
Segall Bryant & Hamill, LLC169,811$23.2M0.27%+14,786+9.5%Added
Nomura Asset Management International Inc.168,256$23.0M0.03%−13,124−7.2%Reduced
Point72 Asset Management, L.P.166,157$22.7M0.03%−403,317−70.8%Reduced
UBS Asset Management Americas Inc161,713$22.1M0.00%−2,035−1.2%Reduced
Fifth Third Bancorp157,424$21.5M0.03%−3,646−2.3%Reduced
Allspring Global Investments Holdings, LLC153,107$21.3M0.03%−127,416−45.4%Reduced
Barclays PLC155,745$21.2M0.01%−38,271−19.7%Reduced
Loomis Sayles & Co L P148,676$20.3M0.03%−3,909−2.6%Reduced
Baird Financial Group, Inc.144,571$19.7M0.03%−27,059−15.8%Reduced
Gotham Asset Management, LLC142,613$19.5M0.05%+113,864+396.1%Added
Brown Capital Management LLC140,899$19.2M3.84%−29,097−17.1%Reduced
Envestnet Asset Management Inc140,415$19.2M0.00%+12,451+9.7%Added
Public Employees Retirement Association of Colorado134,571$18.4M0.06%00.0%Unchanged
Rhumbline Advisers134,370$18.3M0.01%−1,959−1.4%Reduced
RMB Capital Management, LLC125,661$17.1M0.27%+7,007+5.9%Added
Artemis Investment Management LLP121,727$16.6M0.15%−300,061−71.1%Reduced
Principal Financial Group Inc120,383$16.4M0.01%−39,362−24.6%Reduced
Nuveen, LLC117,519$16.0M0.00%+12,528+11.9%Added
New York State Common Retirement Fund117,103$16.0M0.02%−59,225−33.6%Reduced
Advisor Group Holdings, Inc.115,136$15.7M0.02%+28,949+33.6%Added
Royal Bank of Canada111,759$15.2M0.00%−38,144−25.4%Reduced
Osterweis Capital Management Inc110,995$15.1M0.71%+18,775+20.4%Added
Palisade Capital Management LLC109,768$15.0M0.65%−130,851−54.4%Reduced
Victory Capital Management Inc109,432$14.9M0.01%+9,706+9.7%Added
Swiss National Bank104,700$14.3M0.01%−1,100−1.0%Reduced
Teachers Retirement System of the State of Kentucky100,045$13.7M0.09%00.0%Unchanged
Lord, Abbett & Co. LLC97,965$13.4M0.04%+9,598+10.9%Added
Peregrine Capital Management LLC89,969$12.3M0.40%+89,969New
D. E. Shaw & Co., Inc.83,328$11.4M0.01%+83,328New
Freshford Capital Management, LLC79,048$10.8M3.69%+79,048New
Avidity Partners Management LP77,800$10.6M1.70%00.0%Unchanged
North Star Asset Management Inc77,561$10.6M0.42%−6,402−7.6%Reduced