Repligen
RGEN
443 hedge funds and large institutions have $7.22B invested in Repligen in 2025 Q2 according to their latest regulatory filings, with 74 funds opening new positions, 130 increasing their positions, 173 reducing their positions, and 70 closing their positions.
1.35% more ownership
Funds ownership: 102.58% → 103.93% (+1.4%)
6% more first-time investments, than exits
New positions opened: 74 | Existing positions closed: 70
0% more funds holding
Funds holding: 441 → 443 (+2)
0% more funds holding in top 10
Funds holding in top 10: 1 → 1 (0)
2% less capital invested
Capital invested by funds: $7.37B → $7.22B (-$151M)
25% less repeat investments, than reductions
Existing positions increased: 130 | Existing positions reduced: 173
88% less call options, than puts
Call options by funds: $10.2M | Put options by funds: $84.6M
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Fidelity Investments
Boston,
Massachusetts
|
+$112M |
| 2 |
Point72 Asset Management
Stamford,
Connecticut
|
+$101M |
| 3 |
Millennium Management
New York
|
+$86.7M |
| 4 |
COPPSERS
Commonwealth of Pennsylvania Public School Employees Retirement System
Harrisburg,
Pennsylvania
|
+$51M |
| 5 |
GCM
Geneva Capital Management
Milwaukee,
Wisconsin
|
+$43.8M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
T. Rowe Price Associates
Baltimore,
Maryland
|
-$122M |
| 2 |
Macquarie Group
Sydney, NSW 2000,
Australia
|
-$104M |
| 3 |
BlackRock
New York
|
-$93.8M |
| 4 |
Invesco
Atlanta,
Georgia
|
-$37.6M |
| 5 |
Citadel Advisors
Miami,
Florida
|
-$33.9M |
RGEN Hedge Fund Activity: Q2 2025 in Review
443 of the 7,595 institutional investors tracked by Wall St. Rank reported a position in Repligen (RGEN) for Q2 2025, worth a combined $7.22B — down 2.1% from $7.37B a quarter earlier.
Buyers outnumbered sellers: 74 funds opened new RGEN positions and 70 closed out — a net gain of 4 holders — while 130 added to existing stakes and 173 trimmed.
The largest buyer was Fidelity Investments, adding an estimated $112M. The largest seller was T. Rowe Price Associates, cutting an estimated $122M.
- 443 institutional investors held Repligen (RGEN) as of Q2 2025, up from 441 in Q1 2025.
- Funds reported $7.22B of Repligen stock for Q2 2025, down 2.1% quarter-over-quarter.
- 74 funds opened new Repligen positions in Q2 2025 and 70 closed out, a net change of +4 holders.
- The largest Repligen buyer in Q2 2025 was Fidelity Investments, an estimated $112M added.
- The largest Repligen seller in Q2 2025 was T. Rowe Price Associates, an estimated $122M sold.
Based on aggregated 13F filings for Q2 2025.