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Livermore
Livermore
ZHEN

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.

Q2 2026 vs. Q1 2026

How the institutions holding Repligen Corp changed between Q1 2026 and Q2 2026.

All holders in Q2 2026All holders in Q1 2026

13F holders of RGEN: Q1 2026 compared with Q2 2026
MeasureQ1 2026Of which not filed for Q2 2026Q2 2026Change
Holders4455481+41
Shares65.4M38.2K66.1M+681.9K (+1.0%)
Value$7.75B$4.50M$9.00B+$1.26B (+16.3%)

5 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so the changes leave them out.

New holders (97)

Institutions that held Repligen Corp at the end of Q2 2026 but not at the end of Q1 2026.

Institutions new to RGEN in Q2 2026
InstitutionSharesValue% of portfolio
William Blair Investment Management, LLC788,571$107.6M0.32%
Norges Bank575,226$78.5M0.01%
Jupiter Topco LLC406,001$55.4M0.02%
Marshall Wace, LLP282,107$38.5M0.03%
Bradley Foster & Sargent Inc195,435$26.7M0.38%
Peregrine Capital Management LLC89,969$12.3M0.40%
D. E. Shaw & Co., Inc.83,328$11.4M0.01%
Freshford Capital Management, LLC79,048$10.8M3.69%
Duquesne Family Office LLCSuperinvestorDuquesne Family Office77,400$10.6M0.24%
Assenagon Asset Management S.A.70,995$9.69M0.01%
Walleye Trading LLC43,268$5.90M0.08%
Readystate Asset Management LP41,500$5.66M0.23%
Verition Fund Management LLC37,996$5.18M0.04%
Moore Capital Management, LP37,549$5.12M0.12%
Tudor Investment Corp Et Al25,678$3.50M0.01%
Longaeva Partners L.P.24,616$3.36M0.10%
Connor, Clark & Lunn Investment Management Ltd.23,577$3.22M0.01%
Virtu Financial LLC21,638$2.95M0.09%
Jump Financial, LLC18,989$2.59M0.02%
Watershed Asset Management, L.L.C.18,800$2.57M2.29%
Diversify Advisory Services, LLC18,594$2.44M0.04%
Arrowstreet Capital, Limited Partnership17,822$2.43M0.00%
Moody National Bank Trust Division17,728$2.42M0.20%
Gateway Investment Advisers LLC17,668$2.41M0.02%
Oak Thistle LLC17,222$2.35M0.23%
Pembroke Management, LTD15,943$2.18M0.28%
Equitable Holdings, Inc.11,404$1.56M0.01%
Two Sigma Investments, LP9,901$1.35M0.00%
Cercano Management LLC7,856$1.07M0.14%
Weiss Asset Management LP6,593$899.5K0.01%
Entropy Technologies, LP6,505$887.5K0.04%
Prelude Capital Management, LLC4,975$678.8K0.05%
Alamea Verwaltungs GmbH4,852$662.0K0.53%
Global Retirement Partners, LLC4,799$654.8K0.01%
Associated Banc-Corp4,399$600.2K0.01%
Optiver Holding B.V.4,154$566.8K0.01%
Persistent Asset Partners Ltd3,902$532.4K0.17%
Evolve Private Wealth, LLC3,801$518.6K0.03%
Sound Capital Solutions LLC3,681$502.2K0.12%
Blair William & Co2,675$365.0K0.00%
CWM Advisors, LLC2,661$363.1K0.01%
Qsemble Capital Management, LP2,635$359.5K0.05%
Edgestream Partners, L.P.2,573$351.1K0.01%
Gsa Capital Partners LLP2,461$336.0K0.02%
One Wealth Capital Management, LLC2,452$334.6K0.10%
Storgate, LLC2,384$325.3K0.07%
Everhart Financial Group, Inc.2,219$302.8K0.02%
Everstar Asset Management, LLC2,202$300.4K0.15%
Mercer Global Advisors Inc2,185$298.1K0.00%
Everence Capital Management Inc2,077$283.0K0.01%
AlphaCore Capital LLC2,064$281.6K0.01%
Fifth Third Wealth Advisors LLC2,060$281.1K0.01%
VisionPoint Advisory Group, LLC2,019$275.5K0.04%
Nykredit A/S1,968$268.5K0.00%
Mitsubishi UFJ Trust & Banking Corp1,912$260.9K0.00%
Canada Pension Plan Investment Board1,900$259.2K0.00%
Brinker Capital Investments, LLC1,748$238.5K0.00%
Walleye Capital LLC1,707$232.9K0.00%
Marco Investment Management LLC1,675$228.5K0.02%
Polar Capital Holdings Plc1,635$223.1K0.00%
Intellectus Partners, LLC1,585$216.3K0.04%
North Dakota State Investment Board1,566$213.7K0.01%
Oppenheimer & Co Inc1,523$207.8K0.00%
Tilson Financial Group, Inc.1,500$204.7K0.06%
Brevan Howard Capital Management LP1,481$202.1K0.00%
Quarry LP625$85.3K0.01%
Trust Co of Vermont520$70.9K0.00%
Lazard Asset Management LLC464$63.3K0.00%
Clear Street Markets LLC400$54.6K0.01%
Penserra Capital Management LLC248$33.0K0.00%
SRS Capital Advisors, Inc.222$30.3K0.00%
Kemnay Advisory Services Inc.165$22.5K0.00%
Silvant Capital Management LLC160$21.8K0.00%
Global X Japan Co., Ltd.84$11.5K0.00%
Bokf, NA48$6.55K0.00%
Synergy Investment Management, LLC29$4.10K0.00%
CVA Family Office, LLC14$1.91K0.00%
Manning & Napier Advisors LLC13$1.78K0.00%
High Note Wealth, LLC12$1.64K0.00%
Marquette Asset Management, LLC10$1.36K0.00%
REAP Financial Group, LLC10$1.36K0.00%
UMA Financial Services, Inc.8$1.09K0.00%
Cornerstone Financial Management LLC8$1.09K0.00%
Versant Capital Management, Inc6$8190.00%
Ameriflex Group, Inc.6$8190.00%
Action Point Financial Planning, LLC6$8180.00%
Rialto Wealth Management, LLC5$6830.00%
Anchor Investment Management, LLC5$6820.00%
Mascoma Wealth Management LLC5$6820.00%
JFS Wealth Advisors, LLC4$5460.00%
Activest Wealth Management4$5460.00%
Fortitude Family Office, LLC4$5460.00%
Creative Capital Management Investments LLC3$4090.00%
Buck Wealth Strategies, LLC1$1360.00%
LRI Investments, LLC1$1360.00%
Navigoe, LLC1$00.00%
ABS Investment Management LLC136––

Sold out (56)

Institutions that held Repligen Corp at the end of Q1 2026 and filed for Q2 2026 without it.

Institutions that sold out of RGEN in Q2 2026
InstitutionShares, Q1 2026Value, Q1 2026
Artisan Partners Limited Partnership190,100$22.4M
Ranger Investment Management, L.P.161,135$19.0M
Agf Management Ltd60,185$7.09M
Cornerstone Advisors, LLC56,690$6.68M
Roubaix Capital, LLC54,555$6.43M
Campbell & CO Investment Adviser LLC46,674$5.50M
Generate Investment Management Ltd41,521$4.89M
Sone Capital Management, LLC39,340$4.64M
Caption Management, LLC27,500$3.24M
Taproot Management LP27,125$3.20M
Millennium Management LLC22,461$2.65M
Intech Investment Management LLC16,673$1.96M
Mirae Asset Global Investments Co., Ltd.14,565$1.72M
Twinbeech Capital LP13,500$1.59M
Westpac Banking Corp11,410$1.34M
IMC-Chicago, LLC9,012$1.06M
Blueshift Asset Management, LLC7,351$866.1K
LRT Capital Management, LLC6,917$815.0K
CenterBook Partners LP6,380$751.7K
Fox Run Management, L.L.C.5,988$667.6K
Marex Group plc5,572$656.5K
Quantitative Investment Management, LLC4,508$531.0K
Mangrove Partners4,390$517.2K
Banque Pictet & Cie SA4,087$481.5K
Capstone Investment Advisors, LLC3,005$354.0K
Machina Capital S.A.S.2,543$299.6K
Dynamic Technology Lab Private Ltd2,540$299.3K
Knollwood Investment Advisory, LLC2,500$294.6K
State of Wyoming2,101$247.5K
Landscape Capital Management, L.L.C.2,042$240.6K
Jag Capital Management, LLC1,936$228.1K
Vestmark Advisory Solutions, Inc.1,919$226.1K
HighTower Advisors, LLC1,759$207.3K
Neo Ivy Capital Management1,394$164.2K
Sava Infond d.o.o.1,200$141.4K
Advisory Services Network, LLC1,145$134.9K
Timothy G. Youngquist 2020 Irrevocable Trust537$63.3K
Resources Management Corp250$29.0K
Rachor Investment Advisory Services, LLC200$23.6K
Nomura Asset Management Co Ltd130$15.3K
Chilton Capital Management LLC53$6.25K
SMA Capital LLC48$5.66K
MAI Capital Management47$5.54K
Meramec Financial Planners, LLC33$4.36K
JNBA Financial Advisors31$3.65K
Raelipskie Partnership25$2.95K
Fourth Dimension Wealth, LLC20$2.36K
Twin Peaks Wealth Advisors, LLC19$2.24K
Root Financial Partners, LLC17$2.00K
Raleigh Capital Management Inc.13$1.53K
MCF Advisors LLC11$1.30K
Salomon & Ludwin, LLC10$1.18K
Phillip James Consulting Co.4$1.00K
Torren Management, LLC3$353
Quaker Wealth Management, LLC2$236
Manchester Capital Management LLC1$118

Not filed for Q2 2026 yet (5)

Institutions that held Repligen Corp at the end of Q1 2026 and haven't filed a 13F for Q2 2026. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding RGEN in Q1 2026 that haven't filed for Q2 2026
InstitutionShares, Q1 2026Value, Q1 2026
Janus Henderson Group PLC24,316$2.87M
Gibbs Wealth Management10,713$1.26M
Skopos Labs, Inc.2,084$245.5K
CWM, LLC1,006$118.5K
McIlrath & Eck, LLC35$4.12K