18 institutions reported holding $151.9M of REPLIGEN CORP (RGEN) in SEC 13F filings for 2026-06-30. Largest institutional holders: CONGRESS ASSET MANAGEMENT CO ($138.1M), Assenagon Asset Management S.A. ($9.7M), MOODY NATIONAL BANK TRUST DIVISION ($2.4M), FNY Investment Advisers, LLC ($291,000), Balefire, LLC ($275,472). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | CONGRESS ASSET MANAGEMENT CO | $138.1M | 1.0M | Added |
| 2 | Assenagon Asset Management S.A. | $9.7M | 70,995 | New |
| 3 | MOODY NATIONAL BANK TRUST DIVISION | $2.4M | 17,728 | New |
| 4 | FNY Investment Advisers, LLC | $291,000 | 2,140 | Added |
| 5 | Balefire, LLC | $275,472 | 2,019 | New |
| 6 | Central Pacific Bank - Trust Division | $273,106 | 267,000 | Hold |
| 7 | GAMMA Investing LLC | $265,239 | 1,944 | Added |
| 8 | TRUST POINT INC. | $239,456 | 1,755 | Trimmed |
| 9 | Hilltop National Bank | $217,895 | 1,597 | Hold |
| 10 | HARBOR INVESTMENT ADVISORY, LLC | $71,358 | 523 | Added |
| 11 | Arlington Trust Co LLC | $12,416 | 91 | Added |
| 12 | Cedar Mountain Advisors, LLC | $7,095 | 52 | Hold |
| 13 | Grove Bank & Trust | $5,321 | 39 | Added |
| 14 | MassMutual Private Wealth & Trust, FSB | $3,275 | 24 | Added |
| 15 | Retirement Wealth Solutions LLC | $3,002 | 22 | Hold |
| 16 | CoreCap Advisors, LLC | $2,729 | 20 | Hold |
| 17 | Versant Capital Management, Inc | $819 | 6 | New |
| 18 | ELEVATION WEALTH PARTNERS, LLC | $273 | 2 | Hold |
Source: SEC Form 13F filings · as of 2026-06-30