RGEN
REPLIGEN CORPCompany with tickers: RGEN
CIK
730272
CUSIP
759916109
Shares Outstanding
56,399,274
Price
Holdings
Short Volume
Short Interest
Fails to Deliver
SEC Filings
Earnings Calls
Insider Trading
Congress Trades
Report Date:
Holders: 464
Total Value: $9,228,039,563
Total Shares: 56,316,611
Showing top 100 of 464 holders by value
| Holder | Value (USD) | Shares | Type | Discretion | Filed | Action |
|---|---|---|---|---|---|---|
| BlackRock, Inc. | $1,084,633,737 | 6,619,271 | Shares | Sole | 2026-02-12 | View |
| PRICE T ROWE ASSOCIATES INC /MD/ | $753,602,134 | 4,599,061 | Shares | Sole | 2026-02-17 | View |
| FMR LLC | $469,925,244 | 2,867,846 | Shares | Defined | 2026-02-17 | View |
| UNITED CAPITAL FINANCIAL ADVISERS, LLC | $454,033,447 | 2,770,862 | Shares | Defined | 2026-02-17 | View |
| STATE STREET CORP | $281,690,578 | 1,719,093 | Shares | Defined | 2026-02-13 | View |
| CITADEL ADVISORS LLC | $228,462,132 | 1,394,252 | Shares | Defined | 2026-02-17 | View |
| Bank of New York Mellon Corp | $220,343,514 | 1,344,706 | Shares | Defined | 2026-02-10 | View |
| Invesco Ltd. | $205,880,089 | 1,256,439 | Shares | Defined | 2026-02-19 | View |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | $199,176,251 | 1,215,527 | Shares | Sole | 2026-01-22 | View |
| FRANKLIN RESOURCES INC | $180,483,104 | 1,101,447 | Shares | Defined | 2026-02-11 | View |
| RTW INVESTMENTS, LP | $174,347,040 | 1,064,000 | Shares | Sole | 2026-02-17 | View |
| Conestoga Capital Advisors, LLC | $173,359,783 | 1,057,975 | Shares | Sole | 2026-02-02 | View |
| GEODE CAPITAL MANAGEMENT, LLC | $168,745,813 | 1,029,817 | Shares | Defined | 2026-02-09 | View |
| Point72 Asset Management, L.P. | $164,893,956 | 1,006,310 | Shares | Defined | 2026-02-17 | View |
| Champlain Investment Partners, LLC | $164,507,410 | 1,003,951 | Shares | Sole | 2026-02-13 | View |
| ALLIANCEBERNSTEIN L.P. | $163,019,234 | 994,869 | Shares | Defined | 2026-02-17 | View |
| Holocene Advisors, LP | $157,476,014 | 961,040 | Shares | Sole | 2026-02-17 | View |
| FRED ALGER MANAGEMENT, LLC | $149,362,814 | 911,527 | Shares | Sole | 2026-02-17 | View |
| DIMENSIONAL FUND ADVISORS LP | $131,810,620 | 804,410 | Shares | Sole | 2026-02-12 | View |
| CONGRESS ASSET MANAGEMENT CO /MA | $122,289,701 | 746,306 | Shares | Sole | 2026-01-09 | View |
| Stephens Investment Management Group LLC | $107,674,208 | 657,111 | Shares | Defined | 2026-02-05 | View |
| MILLENNIUM MANAGEMENT LLC | $106,598,467 | 650,546 | Shares | Sole | 2026-02-17 | View |
| GENEVA CAPITAL MANAGEMENT LLC | $92,249,082 | 562,975 | Shares | Other | 2026-02-12 | View |
| BAMCO INC /NY/ | $89,267,486 | 544,779 | Shares | Defined | 2026-02-17 | View |
| Voya Investment Management LLC | $85,396,949 | 521,158 | Shares | Defined | 2026-02-12 | View |
| MARSHALL WACE, LLP | $84,606,816 | 516,336 | Shares | Other | 2026-02-13 | View |
| DF DENT & CO INC | $81,200,823 | 495,550 | Shares | Sole | 2026-02-17 | View |
| AMERIPRISE FINANCIAL INC | $80,983,706 | 494,225 | Shares | Defined | 2026-02-17 | View |
| NORGES BANK | $75,718,722 | 462,094 | Shares | Sole | 2026-02-10 | View |
| NORTHERN TRUST CORP | $73,105,808 | 446,148 | Shares | Other | 2026-02-17 | View |
| SCHRODER INVESTMENT MANAGEMENT GROUP | $72,743,024 | 443,934 | Shares | Sole | 2026-02-13 | View |
| TimesSquare Capital Management, LLC | $71,391,671 | 435,687 | Shares | Sole | 2026-02-06 | View |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $70,575,157 | 430,704 | Shares | Sole | 2026-02-13 | View |
| Walleye Capital LLC | $68,347,644 | 417,110 | Shares | Sole | 2026-02-13 | View |
| Impax Asset Management Group plc | $67,737,102 | 413,384 | Shares | Defined | 2026-01-29 | View |
| Thrivent Financial for Lutherans | $67,462,144 | 411,706 | Shares | Sole | 2026-02-05 | View |
| Artemis Investment Management LLP | $67,243,064 | 410,369 | Shares | Sole | 2026-02-02 | View |
| BANK OF AMERICA CORP /DE/ | $65,089,939 | 397,229 | Shares | Defined | 2026-02-17 | View |
| UBS Group AG | $57,086,857 | 348,388 | Shares | Defined | 2026-01-29 | View |
| AMERICAN CAPITAL MANAGEMENT INC | $54,911,943 | 335,115 | Shares | Sole | 2026-02-17 | View |
| JANE STREET GROUP, LLC | $52,664,604 | 321,400 | Shares | Defined | 2026-02-12 | View |
| Iron Triangle Partners LP | $52,512,869 | 320,474 | Shares | Sole | 2026-02-17 | View |
| PERCEPTIVE ADVISORS LLC | $51,704,548 | 315,541 | Shares | Sole | 2026-02-17 | View |
| RIVERBRIDGE PARTNERS LLC | $51,347,988 | 313,365 | Shares | Sole | 2026-01-13 | View |
| Allspring Global Investments Holdings, LLC | $50,989,133 | 311,175 | Shares | Other | 2026-01-15 | View |
| Blue Whale Capital LLP | $50,545,402 | 308,467 | Shares | Sole | 2026-02-13 | View |
| GOLDMAN SACHS GROUP INC | $48,383,103 | 295,271 | Shares | Defined | 2026-02-10 | View |
| FIRST TRUST ADVISORS LP | $46,335,675 | 282,776 | Shares | Sole | 2026-02-13 | View |
| BROWN CAPITAL MANAGEMENT LLC | $44,893,051 | 273,972 | Shares | Sole | 2026-02-17 | View |
| AMERICAN CENTURY COMPANIES INC | $41,009,733 | 250,273 | Shares | Defined | 2026-02-13 | View |
| 12 West Capital Management LP | $39,528,439 | 241,233 | Shares | Sole | 2026-02-17 | View |
| PALISADE CAPITAL MANAGEMENT LLC/NJ | $38,047,636 | 232,196 | Shares | Sole | 2026-02-17 | View |
| Baird Financial Group, Inc. | $33,690,434 | 205,605 | Shares | Defined | 2026-02-13 | View |
| NOMURA ASSET MANAGEMENT INTERNATIONAL INC. | $33,568,851 | 204,863 | Shares | Defined | 2026-02-17 | View |
| NZS Capital, LLC | $32,575,859 | 198,803 | Shares | Sole | 2026-02-12 | View |
| PRINCIPAL FINANCIAL GROUP INC | $32,477,707 | 198,204 | Shares | Defined | 2026-02-02 | View |
| Artisan Partners Limited Partnership | $31,739,190 | 193,697 | Shares | Sole | 2026-02-17 | View |
| Nuveen, LLC | $31,573,855 | 192,688 | Shares | Defined | 2026-02-12 | View |
| PRIMECAP MANAGEMENT CO/CA/ | $30,587,418 | 186,668 | Shares | Sole | 2026-02-11 | View |
| SEI INVESTMENTS CO | $29,820,552 | 181,988 | Shares | Sole | 2026-02-13 | View |
| NEW YORK STATE COMMON RETIREMENT FUND | $28,021,698 | 171,010 | Shares | Sole | 2026-02-12 | View |
| RAYMOND JAMES FINANCIAL INC | $27,671,691 | 168,874 | Shares | Defined | 2026-02-18 | View |
| UBS ASSET MANAGEMENT AMERICAS INC | $26,931,043 | 164,354 | Shares | Defined | 2026-02-13 | View |
| Ranger Investment Management, L.P. | $26,619,057 | 162,450 | Shares | Sole | 2026-02-13 | View |
| BARCLAYS PLC | $26,078,645 | 159,152 | Shares | Sole | 2026-02-13 | View |
| MOORE CAPITAL MANAGEMENT, LP | $24,579,000 | 150,000 | Shares | Sole | 2026-02-17 | View |
| LOOMIS SAYLES & CO L P | $24,542,458 | 149,777 | Shares | Defined | 2026-02-12 | View |
| COMERICA BANK | $24,428,740 | 149,083 | Shares | Defined | 2026-01-29 | View |
| SEGALL BRYANT & HAMILL, LLC | $24,084,142 | 146,980 | Shares | Sole | 2026-02-13 | View |
| ROYCE & ASSOCIATES LP | $24,082,995 | 146,973 | Shares | Sole | 2026-02-09 | View |
| ROYAL BANK OF CANADA | $23,485,393 | 143,326 | Shares | Defined | 2026-02-17 | View |
| PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO | $22,050,804 | 134,571 | Shares | Sole | 2026-02-13 | View |
| RHUMBLINE ADVISERS | $21,975,264 | 134,110 | Shares | Sole | 2026-02-13 | View |
| Daiwa Securities Group Inc. | $21,347,189 | 130,277 | Shares | Other | 2026-02-11 | View |
| JENNISON ASSOCIATES LLC | $20,253,096 | 123,600 | Shares | Defined | 2026-01-30 | View |
| JPMORGAN CHASE & CO | $19,600,769 | 119,619 | Shares | Defined | 2026-02-11 | View |
| RMB Capital Management, LLC | $19,324,992 | 117,936 | Shares | Sole | 2026-02-17 | View |
| Balyasny Asset Management LLC | $18,852,584 | 115,053 | Shares | Sole | 2026-02-17 | View |
| AGF MANAGEMENT LTD | $18,288,742 | 111,612 | Shares | Sole | 2026-02-17 | View |
| VICTORY CAPITAL MANAGEMENT INC | $17,874,012 | 109,081 | Shares | Sole | 2026-02-13 | View |
| Swiss National Bank | $17,270,844 | 105,400 | Shares | Sole | 2026-02-12 | View |
| Ensign Peak Advisors, Inc | $16,584,106 | 101,209 | Shares | Sole | 2026-02-12 | View |
| ENVESTNET ASSET MANAGEMENT INC | $16,568,212 | 101,112 | Shares | Sole | 2026-02-10 | View |
| TEACHERS RETIREMENT SYSTEM OF THE STATE OF KENTUCKY | $16,466,946 | 100,494 | Shares | Sole | 2026-01-29 | View |
| LORD, ABBETT & CO. LLC | $14,787,381 | 90,244 | Shares | Sole | 2026-02-13 | View |
| NORTH STAR ASSET MANAGEMENT INC | $13,912,205 | 84,903 | Shares | Sole | 2026-02-09 | View |
| KORNITZER CAPITAL MANAGEMENT INC /KS | $13,728,190 | 83,780 | Shares | Sole | 2026-02-02 | View |
| CITIGROUP INC | $13,723,601 | 83,752 | Shares | Defined | 2026-02-13 | View |
| Vestal Point Capital, LP | $13,600,380 | 83,000 | Shares | Sole | 2026-02-17 | View |
| BRAIDWELL LP | $13,402,109 | 81,790 | Shares | Sole | 2026-02-17 | View |
| Legal & General Group Plc | $12,912,658 | 78,803 | Shares | Defined | 2026-02-09 | View |
| BNP PARIBAS ARBITRAGE, SA | $12,132,522 | 74,042 | Shares | Defined | 2026-02-10 | View |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | $11,929,008 | 72,800 | Shares | Other | 2026-02-17 | View |
| GRANAHAN INVESTMENT MANAGEMENT INC/MA | $11,798,247 | 72,002 | Shares | Sole | 2026-02-17 | View |
| CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM | $11,489,043 | 70,115 | Shares | Sole | 2026-02-12 | View |
| WCM INVESTMENT MANAGEMENT, LLC | $10,422,151 | 63,604 | Shares | Sole | 2026-02-09 | View |
| Retirement Systems of Alabama | $10,405,929 | 63,505 | Shares | Sole | 2026-01-15 | View |
| BARCLAYS PLC | $9,831,600 | 60,000 | Shares | Sole | 2026-02-13 | View |
| Russell Investments Group, Ltd. | $9,648,074 | 58,880 | Shares | Defined | 2026-02-17 | View |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE | $9,356,733 | 57,102 | Shares | Defined | 2026-02-13 | View |