Skip to main content

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, Q1 2026

Institutional positions in Repligen Corp as of Mar 31, 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
445
−22 vs. Q4 2025
Shares held
65.4M
+8.91M (+15.8%) vs. Q4 2025
Total value
$7.75B
−$1.52B (−16.4%) vs. Q4 2025
New holders
69
166 more added
Sold out
91
131 more reduced

8 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 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 holdersQ1 2026: 445 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 heldQ1 2026: $7.75B
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, Q1 2026

Shares, value and share of portfolio for each institution holding Repligen Corp; share changes are against Q4 2025.

Institutions holding RGEN in Q1 2026
InstitutionSharesValue% of portfolioChange in sharesAction
MetLife Investment Management26,320$3.10M0.02%+154+0.6%Added
Zurcher Kantonalbank (Zurich Cantonalbank)26,381$3.11M0.01%+4,289+19.4%Added
XTX Topco Ltd26,527$3.13M0.05%+21,379+415.3%Added
Taproot Management LP27,125$3.20M0.60%−5,163−16.0%Reduced
Neuberger Berman Group LLC27,366$3.22M0.00%−15,025−35.4%Reduced
Caption Management, LLC27,500$3.24M0.15%+27,500New
Covea Finance28,000$3.30M0.12%00.0%Unchanged
Natixis Advisors, L.P.28,233$3.33M0.00%−1,038−3.5%Reduced
E. Ohman J:or Asset Management AB28,600$3.37M0.09%−5,089−15.1%Reduced
Gotham Asset Management, LLC28,749$3.39M0.01%−21,782−43.1%Reduced
Thornburg Investment Management Inc29,401$3.46M0.04%−17,087−36.8%Reduced
Stifel Financial Corp29,540$3.48M0.00%+8,549+40.7%Added
Warren Averett Asset Management, LLC29,742$3.50M0.03%−1,070−3.5%Reduced
Great West Life Assurance Co31,082$3.67M0.01%+309+1.0%Added
EFG International AG33,261$3.92M0.08%−2,018−5.7%Reduced
State of Wisconsin Investment Board33,655$3.97M0.01%−537−1.6%Reduced
Jane Street Group, LLC34,978$4.12M0.00%−1,838−5.0%Reduced
Oppenheimer Asset Management Inc.35,128$4.14M0.05%+17,203+96.0%Added
LPL Financial LLC35,774$4.21M0.00%−938−2.6%Reduced
Wells Fargo & Company35,905$4.23M0.00%−564−1.5%Reduced
Citigroup Inc36,356$4.28M0.00%−47,396−56.6%Reduced
Susquehanna International Group, LLP39,176$4.62M0.01%+36,237+1,233.0%Added
Sone Capital Management, LLC39,340$4.64M0.39%+11,222+39.9%Added
ExodusPoint Capital Management, LP40,228$4.74M0.05%+40,228New
Generate Investment Management Ltd41,521$4.89M0.24%+41,521New
Slow Capital, Inc.43,546$5.13M0.67%+1,946+4.7%Added
Amundi44,959$5.30M0.00%+2,925+7.0%Added
Campbell & CO Investment Adviser LLC46,674$5.50M0.31%+46,674New
Braidwell LP47,500$5.60M0.19%−34,290−41.9%Reduced
Vanguard Asset Management, Ltd48,353$5.70M0.00%+48,353New
Stephens Inc48,376$5.70M0.07%+1,390+3.0%Added
State Board of Administration of Florida Retirement System48,995$5.77M0.01%−248−0.5%Reduced
New York State Teachers Retirement System49,318$5.81M0.01%−1,714−3.4%Reduced
Manufacturers Life Insurance Company, The49,940$5.88M0.01%−7,162−12.5%Reduced
Public Employees Retirement System of Ohio52,811$6.22M0.02%+7,649+16.9%Added
Pier Capital, LLC53,119$6.26M1.03%−1,028−1.9%Reduced
Kelly Lawrence W & Associates Inc54,470$6.42M1.78%+13,370+32.5%Added
Roubaix Capital, LLC54,555$6.43M3.00%+54,555New
STRS Ohio54,760$6.45M0.03%+4,498+8.9%Added
Cornerstone Advisors, LLC56,690$6.68M0.25%00.0%Unchanged
TD Asset Management Inc57,616$6.79M0.01%+1,860+3.3%Added
Russell Investments Group, Ltd.58,203$6.86M0.01%−677−1.1%Reduced
Agf Management Ltd60,185$7.09M0.03%−51,427−46.1%Reduced
California State Teachers Retirement System61,860$7.29M0.01%+11,206+22.1%Added
Retirement Systems of Alabama64,868$7.64M0.03%+1,363+2.1%Added
California Public Employees Retirement System66,759$7.87M0.00%−3,356−4.8%Reduced
Kornitzer Capital Management Inc70,080$8.26M0.18%−13,700−16.4%Reduced
Standard Life Aberdeen plc70,495$8.31M0.01%+16,165+29.8%Added
Legal & General Group Plc70,885$8.35M0.00%−7,918−10.0%Reduced
Ensign Peak Advisors, Inc76,020$8.96M0.02%−25,189−24.9%Reduced
Avidity Partners Management LP77,800$9.17M1.86%+27,500+54.7%Added
North Star Asset Management Inc83,963$9.89M0.43%−940−1.1%Reduced
Silvercrest Asset Management Group LLC85,107$10.0M0.07%+81,982+2,623.4%Added
Advisor Group Holdings, Inc.86,187$10.2M0.01%−3,791−4.2%Reduced
Granahan Investment Management Inc86,953$10.2M0.50%+14,951+20.8%Added
Lord, Abbett & Co. LLC88,367$10.4M0.03%−1,877−2.1%Reduced
Osterweis Capital Management Inc92,220$10.9M0.56%+37,585+68.8%Added
Hudson Bay Capital Management LP92,500$10.9M0.07%+72,500+362.5%Added
Victory Capital Management Inc99,726$11.7M0.01%−9,355−8.6%Reduced
Teachers Retirement System of the State of Kentucky100,045$11.8M0.09%−1,900−1.9%Reduced
Nuveen, LLC104,991$12.4M0.00%−87,697−45.5%Reduced
Swiss National Bank105,800$12.5M0.01%+400+0.4%Added
Royce & Associates LP115,932$13.7M0.13%−31,041−21.1%Reduced
RMB Capital Management, LLC118,654$14.0M0.25%+718+0.6%Added
Eversept Partners, LP120,785$14.2M0.94%+120,785New
Jennison Associates LLC121,239$14.3M0.01%−2,361−1.9%Reduced
JPMorgan Chase & Co128,221$14.3M0.00%−120,716−48.5%Reduced
Balyasny Asset Management LLC125,469$14.8M0.03%+10,416+9.1%Added
Envestnet Asset Management Inc127,964$15.1M0.00%+26,852+26.6%Added
Public Employees Retirement Association of Colorado134,571$15.9M0.06%00.0%Unchanged
Rhumbline Advisers136,329$16.1M0.01%+2,219+1.7%Added
Royal Bank of Canada149,903$17.7M0.00%+6,577+4.6%Added
Loomis Sayles & Co L P152,585$18.0M0.02%+2,808+1.9%Added
Segall Bryant & Hamill, LLC155,025$18.3M0.26%+8,045+5.5%Added
Principal Financial Group Inc159,745$18.8M0.01%−38,459−19.4%Reduced
Fifth Third Bancorp161,070$19.0M0.03%+157,298+4,170.1%Added
Ranger Investment Management, L.P.161,135$19.0M1.37%−1,315−0.8%Reduced
UBS Asset Management Americas Inc163,748$19.3M0.00%−606−0.4%Reduced
Raymond James Financial Inc168,862$19.4M0.01%−120.0%Reduced
Brown Capital Management LLC169,996$20.0M2.85%−103,976−38.0%Reduced
Baird Financial Group, Inc.171,630$20.2M0.03%−33,975−16.5%Reduced
New York State Common Retirement Fund176,328$20.8M0.03%+5,318+3.1%Added
BNP Paribas Arbitrage, SA177,517$20.9M0.01%+103,475+139.8%Added
Nomura Asset Management International Inc.181,380$21.4M0.04%−23,483−11.5%Reduced
Artisan Partners Limited Partnership190,100$22.4M0.04%−3,597−1.9%Reduced
12 West Capital Management LP191,233$22.5M3.80%−50,000−20.7%Reduced
Barclays PLC194,016$22.9M0.01%+34,864+21.9%Added
NZS Capital, LLC203,225$23.9M0.80%+4,422+2.2%Added
Primecap Management Co235,068$27.7M0.02%+48,400+25.9%Added
American Century Companies Inc235,365$27.7M0.01%−14,908−6.0%Reduced
Daiwa Securities Group Inc.239,852$28.3M0.08%+109,575+84.1%Added
Palisade Capital Management LLC240,619$28.3M0.94%+8,423+3.6%Added
LMR Partners LLP253,060$29.8M0.27%+253,060New
Riverbridge Partners LLC258,476$30.5M0.75%−54,889−17.5%Reduced
SEI Investments Co272,103$32.1M0.03%+90,115+49.5%Added
Perceptive Advisors LLC280,541$33.1M0.65%−35,000−11.1%Reduced
Allspring Global Investments Holdings, LLC280,523$33.2M0.06%−30,652−9.9%Reduced
Vanguard Fiduciary Trust Co330,767$39.0M0.01%+330,767New
American Capital Management Inc357,720$42.1M2.26%+22,605+6.7%Added
DF Dent & Co Inc365,115$43.0M0.82%−130,435−26.3%Reduced