Repligen
RGEN
453 hedge funds and large institutions have $8B invested in Repligen in 2025 Q3 according to their latest regulatory filings, with 80 funds opening new positions, 158 increasing their positions, 151 reducing their positions, and 65 closing their positions.
200% more funds holding in top 10
Funds holding in top 10: 1 → 3 (+2)
23% more first-time investments, than exits
New positions opened: 80 | Existing positions closed: 65
11% more capital invested
Capital invested by funds: $7.22B → $8B (+$779M)
2.37% more ownership
Funds ownership: 103.93% → 106.3% (+2.4%)
2% more funds holding
Funds holding: 444 → 453 (+9)
5% more repeat investments, than reductions
Existing positions increased: 158 | Existing positions reduced: 151
49% less call options, than puts
Call options by funds: $45.8M | Put options by funds: $90.6M
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
UCFA
United Capital Financial Advisors
Irving,
Texas
|
+$335M |
| 2 |
Fidelity Investments
Boston,
Massachusetts
|
+$131M |
| 3 |
Citadel Advisors
Miami,
Florida
|
+$75.5M |
| 4 |
Balyasny Asset Management
Chicago,
Illinois
|
+$74.2M |
| 5 |
Holocene Advisors
New York
|
+$53.5M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
T. Rowe Price Associates
Baltimore,
Maryland
|
-$376M |
| 2 |
Sands Capital Management
Arlington,
Virginia
|
-$156M |
| 3 |
Invesco
Atlanta,
Georgia
|
-$61.5M |
| 4 |
Point72 Asset Management
Stamford,
Connecticut
|
-$57.4M |
| 5 |
ECM
ExodusPoint Capital Management
New York
|
-$51.9M |
RGEN Hedge Fund Activity: Q3 2025 in Review
453 of the 7,638 institutional investors tracked by Wall St. Rank reported a position in Repligen (RGEN) for Q3 2025, worth a combined $8B — up 11% from $7.22B a quarter earlier.
Buyers outnumbered sellers: 80 funds opened new RGEN positions and 65 closed out — a net gain of 15 holders — while 158 added to existing stakes and 151 trimmed.
The largest buyer was United Capital Financial Advisors, opening a new position worth an estimated $335M. The largest seller was T. Rowe Price Associates, cutting an estimated $376M.
- 453 institutional investors held Repligen (RGEN) as of Q3 2025, up from 444 in Q2 2025.
- Funds reported $8B of Repligen stock for Q3 2025, up 11% quarter-over-quarter.
- 80 funds opened new Repligen positions in Q3 2025 and 65 closed out, a net change of +15 holders.
- The largest Repligen buyer in Q3 2025 was United Capital Financial Advisors, an estimated $335M added.
- The largest Repligen seller in Q3 2025 was T. Rowe Price Associates, an estimated $376M sold.
Based on aggregated 13F filings for Q3 2025.