RGEN
REPLIGEN CORPData as of 2026 Q1 (03-31) · 13F snapshot
Summary
REPLIGEN CORP (RGEN) is held by 6 tracked hedge-fund managers, a combined reported value of ~$236.55M; the largest are Ken Griffin, Steven Cohen, Renaissance Technologies. This quarter: 4 trimmed, 1 closed. 7 members of Congress have disclosed STOCK Act trades. Data as of 2026 Q1, from public SEC 13F filings, delayed up to ~45 days.
Attention · MediumThis quarter · Cooling
Gurus holding6
Congress trades7
Price$148.55vs quarter-end+26.08%
Sectors0
This quarter's moves
Top holderKen GriffinNew0
Added0
Trimmed / sold5
Value $7.36M— of portfolio40,0002024 Q1
Value $4.67M— of portfolio39,6002026 Q1
Value $2.67M— of portfolio22,7002026 Q1
Value $1.65M— of portfolio10,1002025 Q4
Value $1.65M— of portfolio14,0002026 Q1
| Investor | Value | % of portfolio | Action |
|---|---|---|---|
| Steven CohenPUT | $7.36M | — | — |
| Ken GriffinCALL | $4.67M | — | — |
| Ken GriffinPUT | $2.67M | — | — |
| Izzy EnglanderCALL | $1.65M | — | — |
| Izzy EnglanderPUT | $1.65M | — | — |
Data from public SEC 13F & STOCK Act filings, delayed up to ~45 days, partial holdings only — for research, not investment advice.