Repligen Corporation (RGEN)
Who owns Repligen Corporation (RGEN)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 94.6% of the shares are freely tradable; institutional investors hold 119.7%.
Ownership Structure
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 10.62 | 5,993,054 | -9.5 | 03/31/2026 |
| T. Rowe Price Associates, Inc. | 8.64 | 4,878,141 | +6.1 | 03/31/2026 |
| FMR Inc | 5.12 | 2,886,786 | +0.7 | 03/31/2026 |
| United Capital Financial Advisers Inc | 4.92 | 2,773,980 | +0.1 | 03/31/2026 |
| Vanguard Capital Management, LLC | 4.25 | 2,396,511 | +0.0 | 03/31/2026 |
| Vanguard Portfolio Management, LLC | 4.08 | 2,305,094 | +0.0 | 03/31/2026 |
| State Street Corp | 3.15 | 1,777,285 | +3.4 | 03/31/2026 |
| Wasatch Advisors LP | 2.82 | 1,590,251 | +27.9 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| iShares Core S&P Mid-Cap ETF | 3.71 | 1,814,221 | +0.2 | 07/28/2026 |
| Vanguard Morn Total Stk Mkt Idx Investor | 3.48 | 1,703,173 | -0.3 | 06/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 16. Jul 2026 | Garland Jason K | CFO | Sell | 530 | 150.00 | 79,500 |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character.
View all insider transactions →Data as of: July 31, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.