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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, Q4 2025

Institutional positions in Repligen Corp as of Dec 31, 2025. 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
475
+34 vs. Q3 2025
Shares held
62.5M
+2.82M (+4.7%) vs. Q3 2025
Total value
$10.2B
+$2.26B (+28.3%) vs. Q3 2025
New holders
96
150 more added
Sold out
62
145 more reduced

12 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2025: 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 holdersQ4 2025: 475 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 heldQ4 2025: $10.2B
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, Q4 2025

Shares, value and share of portfolio for each institution holding Repligen Corp; share changes are against Q3 2025.

Institutions holding RGEN in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
State of Michigan Retirement System12,553$2.06M0.01%00.0%Unchanged
Erste Asset Management GmbH12,500$2.07M0.02%00.0%Unchanged
Zions Bancorporation, National Association12,695$2.08M0.10%−880−6.5%Reduced
Commonwealth of Pennsylvania Public School Empls Retrmt Sys13,241$2.17M0.01%−331−2.4%Reduced
Diversified Trust Co13,332$2.18M0.04%+1,075+8.8%Added
Yousif Capital Management, LLC14,218$2.32M0.03%−269−1.9%Reduced
US Bancorp14,204$2.33M0.00%+4,101+40.6%Added
Prudential Financial Inc14,432$2.36M0.00%−3,637−20.1%Reduced
Louisiana State Employees Retirement System14,600$2.39M0.04%−100−0.7%Reduced
Ameritas Investment Partners, Inc.14,707$2.41M0.07%−666−4.3%Reduced
Arizona State Retirement System14,863$2.44M0.01%−913−5.8%Reduced
SG Americas Securities, LLC14,893$2.44M0.00%−69−0.5%Reduced
Mirae Asset Global Investments Co., Ltd.15,051$2.47M0.01%−4,211−21.9%Reduced
StemPoint Capital LP15,707$2.57M0.44%+15,707New
Banque Pictet & Cie SA17,910$2.93M0.03%−586−3.2%Reduced
Oppenheimer Asset Management Inc.17,925$2.94M0.04%+1,077+6.4%Added
Bank of Montreal18,460$3.02M0.00%−4,244−18.7%Reduced
Johnson Investment Counsel Inc18,487$3.03M0.02%+2,656+16.8%Added
Handelsbanken Fonder AB18,719$3.07M0.01%+827+4.6%Added
State of New Jersey Common Pension Fund D18,835$3.09M0.01%−255−1.3%Reduced
Lisanti Capital Growth, LLC19,460$3.19M0.76%+19,460New
ING Groep NV19,800$3.24M0.02%+19,800New
Hudson Bay Capital Management LP20,000$3.28M0.02%−1,003−4.8%Reduced
Legato Capital Management LLC20,155$3.30M0.28%−945−4.5%Reduced
Rice Hall James & Associates, LLC20,544$3.37M0.19%+1,396+7.3%Added
Stifel Financial Corp20,991$3.44M0.00%+6,679+46.7%Added
State of Tennessee, Treasury Department23,158$3.46M0.01%−8,257−26.3%Reduced
Universal- Beteiligungs- und Servicegesellschaft mbH21,831$3.62M0.01%+14,273+188.8%Added
Treasurer of the State of North Carolina22,076$3.62M0.01%−1,609−6.8%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)22,092$3.62M0.01%+7,586+52.3%Added
Police & Firemen's Retirement System of New Jersey22,249$3.65M0.03%−1,167−5.0%Reduced
Delta Investment Management, LLC23,544$3.86M0.67%−27,173−53.6%Reduced
Amalgamated Bank23,649$3.88M0.03%−636−2.6%Reduced
Pathstone Holdings, LLC24,274$3.98M0.02%−1,815−7.0%Reduced
Janus Henderson Group PLC24,316$3.99M0.00%+1,500+6.6%Added
Sivik Global Healthcare LLC25,000$4.10M2.00%−2,500−9.1%Reduced
Swedbank AB25,300$4.15M0.00%+25,300New
MetLife Investment Management26,166$4.29M0.02%−1,321−4.8%Reduced
Mutual of America Capital Management LLC26,622$4.36M0.05%+1,054+4.1%Added
Covea Finance28,000$4.59M0.15%+28,000New
Sone Capital Management, LLC28,118$4.61M0.37%−110,417−79.7%Reduced
Natixis Advisors, L.P.29,271$4.80M0.01%−9,058−23.6%Reduced
Great West Life Assurance Co30,773$5.04M0.01%−5,826−15.9%Reduced
Warren Averett Asset Management, LLC30,812$5.05M0.04%+375+1.2%Added
Taproot Management LP32,288$5.29M0.86%+32,288New
E. Ohman J:or Asset Management AB33,689$5.52M0.13%+33,689New
State of Wisconsin Investment Board34,192$5.60M0.01%+109+0.3%Added
EFG International AG35,279$5.78M0.11%+35,279New
Wells Fargo & Company36,469$5.98M0.00%+13,990+62.2%Added
Van Eck Associates Corp36,516$5.98M0.00%−3,231−8.1%Reduced
LPL Financial LLC36,712$6.02M0.00%+4,683+14.6%Added
Jane Street Group, LLC36,816$6.03M0.01%−108,400−74.6%Reduced
Kelly Lawrence W & Associates Inc41,100$6.73M1.64%00.0%Unchanged
Slow Capital, Inc.41,600$6.82M0.81%−2,476−5.6%Reduced
Amundi42,034$6.89M0.00%+37,409+808.8%Added
Neuberger Berman Group LLC42,391$6.95M0.01%+38,342+946.9%Added
Bank of Nova Scotia44,477$7.29M0.01%+3,820+9.4%Added
Public Employees Retirement System of Ohio45,162$7.40M0.02%−6,721−13.0%Reduced
Steadfast Capital Management LP45,300$7.42M0.13%+45,300New
Woodline Partners LP46,260$7.58M0.03%−59,189−56.1%Reduced
Thornburg Investment Management Inc46,488$7.62M0.10%−1,309−2.7%Reduced
Stephens Inc46,986$7.73M0.10%−1,852−3.8%Reduced
State Board of Administration of Florida Retirement System49,243$8.07M0.01%−3,032−5.8%Reduced
STRS Ohio50,262$8.24M0.03%+1,302+2.7%Added
Avidity Partners Management LP50,300$8.24M2.38%+27,000+115.9%Added
Gotham Asset Management, LLC50,531$8.28M0.03%+7,318+16.9%Added
California State Teachers Retirement System50,654$8.30M0.01%+817+1.6%Added
New York State Teachers Retirement System51,032$8.36M0.02%00.0%Unchanged
Pier Capital, LLC54,147$8.87M1.42%−819−1.5%Reduced
Standard Life Aberdeen plc54,330$8.90M0.01%00.0%Unchanged
Osterweis Capital Management Inc54,635$8.95M0.38%−18,295−25.1%Reduced
TD Asset Management Inc55,756$9.14M0.01%+29,128+109.4%Added
Cornerstone Advisors, LLC56,690$9.29M0.31%+56,690New
Manufacturers Life Insurance Company, The57,102$9.41M0.01%+9,287+19.4%Added
Russell Investments Group, Ltd.58,880$9.65M0.01%+1,198+2.1%Added
Retirement Systems of Alabama63,505$10.4M0.03%−433−0.7%Reduced
WCM Investment Management, LLC63,604$10.6M0.02%−4,395−6.5%Reduced
California Public Employees Retirement System70,115$11.5M0.01%−137−0.2%Reduced
Granahan Investment Management Inc72,002$11.8M0.51%+2,131+3.0%Added
BNP Paribas Arbitrage, SA74,042$12.1M0.01%−155,736−67.8%Reduced
Legal & General Group Plc78,803$12.9M0.00%−4,995−6.0%Reduced
Braidwell LP81,790$13.4M0.43%−113,866−58.2%Reduced
Vestal Point Capital, LP83,000$13.6M0.50%−317,000−79.3%Reduced
Citigroup Inc83,752$13.7M0.01%+32,183+62.4%Added
Kornitzer Capital Management Inc83,780$13.7M0.29%+5,500+7.0%Added
North Star Asset Management Inc84,903$13.9M0.56%−536−0.6%Reduced
Advisor Group Holdings, Inc.89,978$14.7M0.02%+53,804+148.7%Added
Lord, Abbett & Co. LLC90,244$14.8M0.05%+90,244New
Envestnet Asset Management Inc101,112$16.6M0.00%−3,123−3.0%Reduced
Ensign Peak Advisors, Inc101,209$16.6M0.03%−14,557−12.6%Reduced
Teachers Retirement System of the State of Kentucky101,945$16.7M0.13%−19,453−16.0%Reduced
Swiss National Bank105,400$17.3M0.01%+2,000+1.9%Added
Victory Capital Management Inc109,081$17.9M0.01%+42,276+63.3%Added
Agf Management Ltd111,612$18.3M0.08%+111,612New
Balyasny Asset Management LLC115,053$18.9M0.04%−652,186−85.0%Reduced
RMB Capital Management, LLC117,936$19.3M0.34%−4,373−3.6%Reduced
Jennison Associates LLC123,600$20.3M0.01%+123,600New
Daiwa Securities Group Inc.130,277$21.3M0.07%+79,039+154.3%Added
Rhumbline Advisers134,110$22.0M0.02%−5,492−3.9%Reduced
Public Employees Retirement Association of Colorado134,571$22.1M0.08%00.0%Unchanged