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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
Duquesne Family Office LLCSuperinvestorDuquesne Family Office77,400$10.6M0.24%+77,400New
Jennison Associates LLC74,996$10.2M0.01%−46,243−38.1%Reduced
Pier Capital, LLC74,238$10.1M1.34%+21,119+39.8%Added
Assenagon Asset Management S.A.70,995$9.69M0.01%+70,995New
Ensign Peak Advisors, Inc69,687$9.51M0.02%−6,333−8.3%Reduced
Legal & General Group Plc68,988$9.41M0.00%−1,897−2.7%Reduced
California Public Employees Retirement System61,467$8.39M0.00%−5,292−7.9%Reduced
California State Teachers Retirement System60,112$8.20M0.01%−1,748−2.8%Reduced
Hudson Bay Capital Management LP60,000$8.19M0.04%−32,500−35.1%Reduced
Kelly Lawrence W & Associates Inc59,250$8.08M1.73%+4,780+8.8%Added
STRS Ohio56,022$7.64M0.03%+1,262+2.3%Added
Public Employees Retirement System of Ohio55,503$7.57M0.02%+2,692+5.1%Added
Retirement Systems of Alabama54,842$7.48M0.02%−10,026−15.5%Reduced
Vanguard Asset Management, Ltd50,398$6.88M0.00%+2,045+4.2%Added
Stephens Inc49,138$6.70M0.08%+762+1.6%Added
Standard Life Aberdeen plc48,404$6.60M0.01%−22,091−31.3%Reduced
New York State Teachers Retirement System48,332$6.59M0.01%−986−2.0%Reduced
State Board of Administration of Florida Retirement System48,095$6.56M0.01%−900−1.8%Reduced
TD Asset Management Inc47,266$6.45M0.01%−10,350−18.0%Reduced
Oppenheimer Asset Management Inc.46,326$6.32M0.07%+11,198+31.9%Added
Thornburg Investment Management Inc43,887$5.99M0.06%+14,486+49.3%Added
Walleye Trading LLC43,268$5.90M0.08%+43,268New
Slow Capital, Inc.41,841$5.71M0.67%−1,705−3.9%Reduced
Readystate Asset Management LP41,500$5.66M0.23%+41,500New
Weitz Investment Management, Inc.SuperinvestorWeitz Investment Management40,800$5.57M0.39%+15,300+60.0%Added
EFG International AG40,543$5.53M0.10%+7,282+21.9%Added
Manufacturers Life Insurance Company, The38,172$5.21M0.00%−11,768−23.6%Reduced
Verition Fund Management LLC37,996$5.18M0.04%+37,996New
Moore Capital Management, LP37,549$5.12M0.12%+37,549New
Jane Street Group, LLC36,759$5.02M0.00%+1,781+5.1%Added
Stifel Financial Corp34,771$4.74M0.00%+5,231+17.7%Added
Wells Fargo & Company33,715$4.60M0.00%−2,190−6.1%Reduced
Warren Averett Asset Management, LLC32,751$4.47M0.03%+3,009+10.1%Added
State of Wisconsin Investment Board31,691$4.32M0.01%−1,964−5.8%Reduced
Great West Life Assurance Co31,513$4.29M0.01%+431+1.4%Added
Kornitzer Capital Management Inc31,439$4.29M0.09%−38,641−55.1%Reduced
Jones Financial Companies LLLP28,179$4.14M0.00%+2,035+7.8%Added
XTX Topco Ltd29,711$4.05M0.05%+3,184+12.0%Added
Zurcher Kantonalbank (Zurich Cantonalbank)28,978$3.95M0.01%+2,597+9.8%Added
E. Ohman J:or Asset Management AB28,600$3.90M0.09%00.0%Unchanged
Covea Finance28,000$3.82M0.12%00.0%Unchanged
Russell Investments Group, Ltd.27,957$3.81M0.00%−30,246−52.0%Reduced
Quantinno Capital Management LP27,691$3.78M0.00%+15,803+132.9%Added
LPL Financial LLC27,583$3.76M0.00%−8,191−22.9%Reduced
Natixis Advisors, L.P.26,804$3.66M0.00%−1,429−5.1%Reduced
B. Metzler seel. Sohn & Co. AG26,361$3.60M0.03%+9,108+52.8%Added
Cinctive Capital Management LP26,065$3.56M0.14%+7,731+42.2%Added
Bank of Nova Scotia25,992$3.55M0.01%+3,975+18.1%Added
State of Tennessee, Treasury Department25,731$3.51M0.01%+2,573+11.1%Added
Tudor Investment Corp Et Al25,678$3.50M0.01%+25,678New
MetLife Investment Management25,532$3.48M0.02%−788−3.0%Reduced
Longaeva Partners L.P.24,616$3.36M0.10%+24,616New
Boothbay Fund Management, LLC24,465$3.34M0.06%+5,267+27.4%Added
HSBC Holdings PLC24,170$3.30M0.00%+4,398+22.2%Added
Police & Firemen's Retirement System of New Jersey23,836$3.25M0.02%+1,587+7.1%Added
Connor, Clark & Lunn Investment Management Ltd.23,577$3.22M0.01%+23,577New
Amalgamated Bank23,478$3.20M0.02%−507−2.1%Reduced
Treasurer of the State of North Carolina22,672$3.09M0.01%+120+0.5%Added
Pathstone Holdings, LLC22,296$3.04M0.01%+1,250+5.9%Added
Krilogy Financial LLC22,099$3.02M0.09%+2,542+13.0%Added
Handelsbanken Fonder AB22,070$3.01M0.01%+2,332+11.8%Added
Susquehanna International Group, LLP21,721$2.96M0.00%−17,455−44.6%Reduced
Virtu Financial LLC21,638$2.95M0.09%+21,638New
Ameritas Investment Partners, Inc.21,203$2.89M0.08%+2,705+14.6%Added
Delta Investment Management, LLC21,162$2.89M0.48%−20.0%Reduced
Vanguard Global Advisers, LLC20,384$2.78M0.00%−1,229−5.7%Reduced
US Bancorp20,377$2.78M0.00%+1,508+8.0%Added
Man Group plc20,341$2.78M0.01%+9,161+81.9%Added
Bank of Montreal20,025$2.73M0.00%−3,642−15.4%Reduced
Mutual of America Capital Management LLC19,686$2.69M0.03%−5,191−20.9%Reduced
Citigroup Inc19,461$2.66M0.00%−16,895−46.5%Reduced
Jump Financial, LLC18,989$2.59M0.02%+18,989New
Johnson Investment Counsel Inc18,966$2.59M0.02%−13−0.1%Reduced
Rice Hall James & Associates, LLC18,833$2.57M0.13%−1,318−6.5%Reduced
Watershed Asset Management, L.L.C.18,800$2.57M2.29%+18,800New
Commonwealth Equity Services, LLC18,056$2.46M0.00%−131−0.7%Reduced
State of New Jersey Common Pension Fund D18,023$2.46M0.01%−1,084−5.7%Reduced
Van Eck Associates Corp17,887$2.44M0.00%+11,354+173.8%Added
Diversify Wealth Management, LLC18,594$2.44M0.04%+4,978+36.6%Added
Diversify Advisory Services, LLC18,594$2.44M0.04%+18,594New
Arrowstreet Capital, Limited Partnership17,822$2.43M0.00%+17,822New
Moody National Bank Trust Division17,728$2.42M0.20%+17,728New
Gateway Investment Advisers LLC17,668$2.41M0.02%+17,668New
Oak Thistle LLC17,222$2.35M0.23%+17,222New
Pembroke Management, LTD15,943$2.18M0.28%+15,943New
Louisiana State Employees Retirement System15,500$2.11M0.03%+200+1.3%Added
Legato Capital Management LLC14,562$1.99M0.16%−1,938−11.7%Reduced
Eversept Partners, LP14,401$1.96M0.11%−106,384−88.1%Reduced
Arizona State Retirement System14,395$1.96M0.01%−293−2.0%Reduced
Commerce Bank13,920$1.90M0.01%−190−1.3%Reduced
Vanguard Investments Australia, Ltd.13,330$1.82M0.00%00.0%Unchanged
Captrust Financial Advisors13,125$1.79M0.00%+2,204+20.2%Added
Commonwealth of Pennsylvania Public School Empls Retrmt Sys12,694$1.73M0.01%−564−4.3%Reduced
Erste Asset Management GmbH12,500$1.71M0.01%00.0%Unchanged
Yousif Capital Management, LLC12,444$1.70M0.02%−887−6.7%Reduced
Dana Investment Advisors, Inc.12,424$1.70M0.04%+6,182+99.0%Added
State of Michigan Retirement System12,353$1.69M0.01%−400−3.1%Reduced
Cetera Investment Advisers12,244$1.67M0.00%+2,807+29.7%Added
Amundi12,117$1.65M0.00%−32,842−73.0%Reduced
Sterling Capital Management LLC12,083$1.65M0.03%+10,487+657.1%Added