RepligenRGEN
13F holders, Q1 2026 (March 31)At the end of Q1 2026, 445 institutions reported holding Repligen Corp. (RGEN) in their 13F filings, down 30 from Q4 2025. 62 opened new positions and 90 sold out. The largest holders were BlackRock, Inc. ($706.1M), T. Rowe Price Associates Inc. ($574.7M) and FMR LLC ($340.1M). 7 famous investors held it, including Lee Ainslie (2.1% of Maverick Capital's portfolio), Ron Baron (0.2% of Baron Capital (BAMCO)'s portfolio) and Steve Cohen (0.1% of Point72 Asset Management's portfolio).
- Company
- Repligen Corp.
- CUSIP
- 759916109
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 62 | $415.4M |
| Exits | 90 | $241.2M |
All 13F filers, Q4 2025 → Q1 2026: 9,688,885 shares bought and 5,889,749 shares sold, net +3,799,136 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 445 holders
| BlackRock, Inc. | 0.01% | Reduce -9.5% | 5,993,054 | $706.1M |
| T. Rowe Price Associates Inc. | 0.07% | Add +6.1% | 4,878,141 | $574.7M |
| FMR LLC | 0.02% | Add +0.7% | 2,886,786 | $340.1M |
| United Capital Financial Advisors, LLC | 2.02% | Add +0.1% | 2,773,980 | $326.8M |
| Vanguard Capital Management LLC | 0.01% | — | 2,396,511 | $282.4M |
| Vanguard Portfolio Management LLC | 0.01% | — | 2,305,094 | $271.6M |
| State Street Corp. | 0.01% | Add +3.4% | 1,777,285 | $209.4M |
| Bank of New York Mellon Corp | 0.03% | Add +13.9% | 1,531,402 | $180.4M |
| Maverick Capital | 2.08% | New | 1,518,805 | $178.9M |
| Massachusetts Financial Services Co. | 0.06% | Add +15.0% | 1,397,515 | $164.7M |
| T. Rowe Price Investment Management, Inc. | 0.11% | Add +111.5% | 1,366,680 | $161.0M |
| Invesco Ltd. | 0.01% | Add +1.7% | 1,278,255 | $150.6M |
| Wasatch Advisors LP | 0.97% | New | 1,243,531 | $146.5M |
| RTW Investments, LP | 1.41% | Add +13.3% | 1,206,000 | $142.1M |
| Franklin Resources Inc. | 0.04% | Add +8.3% | 1,193,139 | $140.6M |
| Alliancebernstein L.P. | 0.04% | Reduce -16.4% | 831,792 | $136.3M |
| Citadel Advisors | 0.09% | Reduce -21.2% | 1,099,181 | $129.5M |
| Conestoga Capital Advisors, LLC | 2.58% | Add +3.8% | 1,097,783 | $129.3M |
| Geode Capital Management, LLC | 0.01% | Add +3.4% | 1,064,457 | $125.4M |
| Ameriprise Financial Inc. | 0.03% | Add +87.2% | 925,214 | $109.0M |
| Vestal Point Capital, LP | 3.05% | Add +1014.5% | 925,000 | $109.0M |
| Dimensional Fund Advisors LP | 0.02% | Add +6.3% | 854,741 | $100.7M |
| Congress Asset Management Co. | 0.67% | Add +6.9% | 797,867 | $94.0M |
| Stephens Investment Management Group LLC | 1.22% | Add +15.0% | 755,571 | $89.0M |
| Holocene Advisors, LP | 0.20% | Reduce -26.2% | 708,889 | $83.5M |
| Champlain Investment Partners, LLC | 1.04% | Reduce -30.9% | 693,855 | $81.7M |
| Geneva Capital Management LLC | 1.74% | Add +23.2% | 693,738 | $81.7M |
| Morgan Stanley | 0.00% | Add +19.8% | 683,789 | $80.6M |
| UBS Group AG | 0.01% | Add +92.4% | 670,329 | $79.0M |
| Goldman Sachs Group Inc. | 0.01% | Add +120.6% | 651,347 | $76.7M |
| First Trust Advisors LP | 0.05% | Add +122.8% | 630,070 | $74.2M |
| Voya Investment Management LLC | 0.09% | Add +19.5% | 622,920 | $73.4M |
| Point72 Asset Management | 0.12% | Reduce -43.4% | 569,474 | $67.1M |
| Baron Capital (BAMCO) | 0.20% | Add +0.7% | 548,346 | $64.6M |
| Schroder Investment Management Group | 0.05% | Add +17.2% | 520,114 | $61.3M |
| TimesSquare Capital Management, LLC | 0.91% | Add +4.7% | 456,083 | $53.7M |
| Charles Schwab Investment Management Inc. | 0.01% | Add +5.2% | 453,044 | $53.4M |
| Northern Trust Corp. | 0.01% | Reduce -0.3% | 444,746 | $52.4M |
| Impax Asset Management Group plc | 0.36% | Add +6.1% | 438,468 | $51.7M |
| Fred Alger Management, LLC | 0.23% | Reduce -52.3% | 434,774 | $51.2M |
| Thrivent Financial for Lutherans | 0.10% | Add +3.3% | 425,389 | $50.1M |
| Artemis Investment Management LLP | 0.53% | Add +2.8% | 421,788 | $49.7M |
| Blue Whale Capital LLP | 2.26% | Add +31.0% | 404,200 | $47.6M |
| Bank of America Corp. | 0.00% | Reduce -4.8% | 378,205 | $44.6M |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.05% | Add +16.4% | 377,009 | $44.4M |
| DF Dent & Co. Inc. | 0.82% | Reduce -26.3% | 365,115 | $43.0M |
| American Capital Management Inc. | 2.26% | Add +6.8% | 357,720 | $42.1M |
| Vanguard Fiduciary Trust Co. | 0.01% | — | 330,767 | $39.0M |
| Allspring Global Investments Holdings, LLC | 0.06% | Reduce -9.8% | 280,523 | $33.2M |
| Perceptive Advisors LLC | 0.66% | Reduce -11.1% | 280,541 | $33.1M |
| Sei Investments Co. | 0.03% | Add +49.5% | 272,103 | $32.1M |
| Riverbridge Partners LLC | 0.75% | Reduce -17.5% | 258,476 | $30.5M |
| LMR Partners LLP | 0.36% | New | 253,060 | $29.8M |
| Palisade Capital Management, LP | 1.02% | Add +3.6% | 240,619 | $28.3M |
| Daiwa Securities Group Inc. | 0.08% | Add +84.1% | 239,852 | $28.3M |
| American Century Companies Inc. | 0.01% | Reduce -6.0% | 235,365 | $27.7M |
| Primecap Management Co. | 0.02% | Add +25.9% | 235,068 | $27.7M |
| NZS Capital, LLC | 0.80% | Add +2.2% | 203,225 | $23.9M |
| Barclays PLC | 0.01% | Add +21.9% | 194,016 | $22.9M |
| 12 West Capital Management LP | 3.80% | Reduce -20.7% | 191,233 | $22.5M |
| Artisan Partners Limited Partnership | 0.04% | Reduce -1.9% | 190,100 | $22.4M |
| Nomura Asset Management International Inc. | 0.04% | Reduce -11.5% | 181,380 | $21.4M |
| BNP Paribas Financial Markets | 0.01% | Add +139.8% | 177,517 | $20.9M |
| New York State Common Retirement Fund | 0.03% | Add +3.1% | 176,328 | $20.8M |
| Baird Financial Group, Inc. | 0.03% | Reduce -16.5% | 171,630 | $20.2M |
| Brown Capital Management LLC | 2.85% | Reduce -38.0% | 169,996 | $20.0M |
| Raymond James Financial Inc. | 0.01% | Reduce -0.0% | 168,862 | $19.4M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Reduce -0.4% | 163,748 | $19.3M |
| Ranger Investment Management, L.P. | 1.37% | Reduce -0.8% | 161,135 | $19.0M |
| Fifth Third Bancorp | 0.03% | Add +4170.1% | 161,070 | $19.0M |
| Principal Financial Group Inc. | 0.01% | Reduce -19.4% | 159,745 | $18.8M |
| Segall Bryant & Hamill, LLC | 0.26% | Add +5.5% | 155,025 | $18.3M |
| Loomis Sayles & Co. L P | 0.02% | Add +1.9% | 152,585 | $18.0M |
| Royal Bank of Canada | 0.00% | Add +4.6% | 149,903 | $17.7M |
| Rhumbline Advisers | 0.01% | Add +1.6% | 136,329 | $16.1M |
| Public Employees Retirement Association of Colorado | 0.06% | No change | 134,571 | $15.9M |
| Envestnet Asset Management Inc. | 0.00% | Add +26.6% | 127,964 | $15.1M |
| Balyasny Asset Management L.P. | 0.03% | Add +9.1% | 125,469 | $14.8M |
| JPMorgan Chase & Co. | 0.00% | Reduce -48.5% | 128,221 | $14.3M |
| Jennison Associates LLC | 0.01% | Reduce -1.9% | 121,239 | $14.3M |
| Eversept Partners, LP | 0.94% | New | 120,785 | $14.2M |
| Curi Capital, LLC | 0.25% | Add +0.6% | 118,654 | $14.0M |
| Royce & Associates LP | 0.13% | Reduce -21.1% | 115,932 | $13.7M |
| Swiss National Bank | 0.01% | Add +0.4% | 105,800 | $12.5M |
| Nuveen, LLC | 0.00% | Reduce -45.5% | 104,991 | $12.4M |
| Teachers Retirement System of the State of Kentucky | 0.09% | Reduce -1.9% | 100,045 | $11.8M |
| Victory Capital Management Inc. | 0.01% | Reduce -8.6% | 99,726 | $11.7M |
| Hudson Bay Capital Management LP | 0.07% | Add +362.5% | 92,500 | $10.9M |
| Osterweis Capital Management Inc. | 0.67% | Add +68.8% | 92,220 | $10.9M |
| Lord, Abbett & Co. LLC | 0.04% | Reduce -2.1% | 88,367 | $10.4M |
| Granahan Investment Management, LLC | 0.50% | Add +20.8% | 86,953 | $10.2M |
| Osaic Holdings, Inc. | 0.01% | Reduce -4.2% | 86,187 | $10.2M |
| Silvercrest Asset Management Group LLC | 0.07% | Add +2623.4% | 85,107 | $10.0M |
| North Star Asset Management Inc. | 0.43% | Reduce -1.1% | 83,963 | $9.9M |
| Avidity Partners Management LP | 1.86% | Add +54.7% | 77,800 | $9.2M |
| Ensign Peak Advisors, Inc | 0.02% | Reduce -24.9% | 76,020 | $9.0M |
| Legal & General Group Plc | 0.00% | Reduce -10.1% | 70,885 | $8.3M |
| Aberdeen Group plc | 0.01% | Add +29.8% | 70,495 | $8.3M |
| Kornitzer Capital Management Inc. | 0.18% | Reduce -16.4% | 70,080 | $8.3M |
| California Public Employees Retirement System | 0.00% | Reduce -4.8% | 66,759 | $7.9M |
"% of holder's portfolio" is RGEN's weight in each manager's 13F, not the share of Repligen Corp. the manager owns.