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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
Diversify Wealth Management, LLC18,594$2.44M0.04%+4,978+36.6%Added
Diversify Advisory Services, LLC18,594$2.44M0.04%+18,594New
Van Eck Associates Corp17,887$2.44M0.00%+11,354+173.8%Added
State of New Jersey Common Pension Fund D18,023$2.46M0.01%−1,084−5.7%Reduced
Commonwealth Equity Services, LLC18,056$2.46M0.00%−131−0.7%Reduced
Watershed Asset Management, L.L.C.18,800$2.57M2.29%+18,800New
Rice Hall James & Associates, LLC18,833$2.57M0.13%−1,318−6.5%Reduced
Johnson Investment Counsel Inc18,966$2.59M0.02%−13−0.1%Reduced
Jump Financial, LLC18,989$2.59M0.02%+18,989New
Citigroup Inc19,461$2.66M0.00%−16,895−46.5%Reduced
Mutual of America Capital Management LLC19,686$2.69M0.03%−5,191−20.9%Reduced
Bank of Montreal20,025$2.73M0.00%−3,642−15.4%Reduced
Man Group plc20,341$2.78M0.01%+9,161+81.9%Added
US Bancorp20,377$2.78M0.00%+1,508+8.0%Added
Vanguard Global Advisers, LLC20,384$2.78M0.00%−1,229−5.7%Reduced
Delta Investment Management, LLC21,162$2.89M0.48%−20.0%Reduced
Ameritas Investment Partners, Inc.21,203$2.89M0.08%+2,705+14.6%Added
Virtu Financial LLC21,638$2.95M0.09%+21,638New
Susquehanna International Group, LLP21,721$2.96M0.00%−17,455−44.6%Reduced
Handelsbanken Fonder AB22,070$3.01M0.01%+2,332+11.8%Added
Krilogy Financial LLC22,099$3.02M0.09%+2,542+13.0%Added
Pathstone Holdings, LLC22,296$3.04M0.01%+1,250+5.9%Added
Treasurer of the State of North Carolina22,672$3.09M0.01%+120+0.5%Added
Amalgamated Bank23,478$3.20M0.02%−507−2.1%Reduced
Connor, Clark & Lunn Investment Management Ltd.23,577$3.22M0.01%+23,577New
Police & Firemen's Retirement System of New Jersey23,836$3.25M0.02%+1,587+7.1%Added
HSBC Holdings PLC24,170$3.30M0.00%+4,398+22.2%Added
Boothbay Fund Management, LLC24,465$3.34M0.06%+5,267+27.4%Added
Longaeva Partners L.P.24,616$3.36M0.10%+24,616New
MetLife Investment Management25,532$3.48M0.02%−788−3.0%Reduced
Tudor Investment Corp Et Al25,678$3.50M0.01%+25,678New
State of Tennessee, Treasury Department25,731$3.51M0.01%+2,573+11.1%Added
Bank of Nova Scotia25,992$3.55M0.01%+3,975+18.1%Added
Cinctive Capital Management LP26,065$3.56M0.14%+7,731+42.2%Added
B. Metzler seel. Sohn & Co. AG26,361$3.60M0.03%+9,108+52.8%Added
Natixis Advisors, L.P.26,804$3.66M0.00%−1,429−5.1%Reduced
LPL Financial LLC27,583$3.76M0.00%−8,191−22.9%Reduced
Quantinno Capital Management LP27,691$3.78M0.00%+15,803+132.9%Added
Russell Investments Group, Ltd.27,957$3.81M0.00%−30,246−52.0%Reduced
Covea Finance28,000$3.82M0.12%00.0%Unchanged
E. Ohman J:or Asset Management AB28,600$3.90M0.09%00.0%Unchanged
Zurcher Kantonalbank (Zurich Cantonalbank)28,978$3.95M0.01%+2,597+9.8%Added
XTX Topco Ltd29,711$4.05M0.05%+3,184+12.0%Added
Jones Financial Companies LLLP28,179$4.14M0.00%+2,035+7.8%Added
Kornitzer Capital Management Inc31,439$4.29M0.09%−38,641−55.1%Reduced
Great West Life Assurance Co31,513$4.29M0.01%+431+1.4%Added
State of Wisconsin Investment Board31,691$4.32M0.01%−1,964−5.8%Reduced
Warren Averett Asset Management, LLC32,751$4.47M0.03%+3,009+10.1%Added
Wells Fargo & Company33,715$4.60M0.00%−2,190−6.1%Reduced
Stifel Financial Corp34,771$4.74M0.00%+5,231+17.7%Added
Jane Street Group, LLC36,759$5.02M0.00%+1,781+5.1%Added
Moore Capital Management, LP37,549$5.12M0.12%+37,549New
Verition Fund Management LLC37,996$5.18M0.04%+37,996New
Manufacturers Life Insurance Company, The38,172$5.21M0.00%−11,768−23.6%Reduced
EFG International AG40,543$5.53M0.10%+7,282+21.9%Added
Weitz Investment Management, Inc.SuperinvestorWeitz Investment Management40,800$5.57M0.39%+15,300+60.0%Added
Readystate Asset Management LP41,500$5.66M0.23%+41,500New
Slow Capital, Inc.41,841$5.71M0.67%−1,705−3.9%Reduced
Walleye Trading LLC43,268$5.90M0.08%+43,268New
Thornburg Investment Management Inc43,887$5.99M0.06%+14,486+49.3%Added
Oppenheimer Asset Management Inc.46,326$6.32M0.07%+11,198+31.9%Added
TD Asset Management Inc47,266$6.45M0.01%−10,350−18.0%Reduced
State Board of Administration of Florida Retirement System48,095$6.56M0.01%−900−1.8%Reduced
New York State Teachers Retirement System48,332$6.59M0.01%−986−2.0%Reduced
Standard Life Aberdeen plc48,404$6.60M0.01%−22,091−31.3%Reduced
Stephens Inc49,138$6.70M0.08%+762+1.6%Added
Vanguard Asset Management, Ltd50,398$6.88M0.00%+2,045+4.2%Added
Retirement Systems of Alabama54,842$7.48M0.02%−10,026−15.5%Reduced
Public Employees Retirement System of Ohio55,503$7.57M0.02%+2,692+5.1%Added
STRS Ohio56,022$7.64M0.03%+1,262+2.3%Added
Kelly Lawrence W & Associates Inc59,250$8.08M1.73%+4,780+8.8%Added
Hudson Bay Capital Management LP60,000$8.19M0.04%−32,500−35.1%Reduced
California State Teachers Retirement System60,112$8.20M0.01%−1,748−2.8%Reduced
California Public Employees Retirement System61,467$8.39M0.00%−5,292−7.9%Reduced
Legal & General Group Plc68,988$9.41M0.00%−1,897−2.7%Reduced
Ensign Peak Advisors, Inc69,687$9.51M0.02%−6,333−8.3%Reduced
Assenagon Asset Management S.A.70,995$9.69M0.01%+70,995New
Pier Capital, LLC74,238$10.1M1.34%+21,119+39.8%Added
Jennison Associates LLC74,996$10.2M0.01%−46,243−38.1%Reduced
Duquesne Family Office LLCSuperinvestorDuquesne Family Office77,400$10.6M0.24%+77,400New
North Star Asset Management Inc77,561$10.6M0.42%−6,402−7.6%Reduced
Avidity Partners Management LP77,800$10.6M1.70%00.0%Unchanged
Freshford Capital Management, LLC79,048$10.8M3.69%+79,048New
D. E. Shaw & Co., Inc.83,328$11.4M0.01%+83,328New
Peregrine Capital Management LLC89,969$12.3M0.40%+89,969New
Lord, Abbett & Co. LLC97,965$13.4M0.04%+9,598+10.9%Added
Teachers Retirement System of the State of Kentucky100,045$13.7M0.09%00.0%Unchanged
Swiss National Bank104,700$14.3M0.01%−1,100−1.0%Reduced
Victory Capital Management Inc109,432$14.9M0.01%+9,706+9.7%Added
Palisade Capital Management LLC109,768$15.0M0.65%−130,851−54.4%Reduced
Osterweis Capital Management Inc110,995$15.1M0.71%+18,775+20.4%Added
Royal Bank of Canada111,759$15.2M0.00%−38,144−25.4%Reduced
Advisor Group Holdings, Inc.115,136$15.7M0.02%+28,949+33.6%Added
New York State Common Retirement Fund117,103$16.0M0.02%−59,225−33.6%Reduced
Nuveen, LLC117,519$16.0M0.00%+12,528+11.9%Added
Principal Financial Group Inc120,383$16.4M0.01%−39,362−24.6%Reduced
Artemis Investment Management LLP121,727$16.6M0.15%−300,061−71.1%Reduced
RMB Capital Management, LLC125,661$17.1M0.27%+7,007+5.9%Added
Rhumbline Advisers134,370$18.3M0.01%−1,959−1.4%Reduced
Public Employees Retirement Association of Colorado134,571$18.4M0.06%00.0%Unchanged