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Repligen

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.

New
Increased
Maintained
Reduced
Closed

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: 441443 (+2)

0% more funds holding in top 10

Funds holding in top 10: 11 (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

Holders
443
Holders Change
+2
Holders Change %
+0.45%
% of All Funds
5.83%
Holding in Top 10
1
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
0.01%
New
74
Increased
130
Reduced
173
Closed
70
Calls
$10.2M
Puts
$84.6M
Net Calls
-$74.4M
Net Calls Change
-$16.8M
Name Holding Trade Value Shares
Change
Change in
Stake
California Public Employees Retirement System
101
California Public Employees Retirement System
California
$8.46M -$2.2M -17,299 -20%
Renaissance Technologies
102
Renaissance Technologies
New York
$8.25M +$8.44M +66,304 New
Retirement Systems of Alabama
103
Retirement Systems of Alabama
Alabama
$7.94M +$56.2K +442 +0.7%
Russell Investments Group
104
Russell Investments Group
United Kingdom
$7.88M -$2.61M -20,500 -24%
CSS
105
Cubist Systematic Strategies
Connecticut
$7.6M +$7.77M +61,090 New
Susquehanna International Group
106
Susquehanna International Group
Pennsylvania
$7.34M +$2.58M +20,292 +52%
PC
107
Pier Capital
Connecticut
$7.34M -$597K -4,692 -7%
LCAM
108
London & Capital Asset Management
United Kingdom
$6.84M -$5.52M -43,353 -44%
State Board of Administration of Florida Retirement System
109
State Board of Administration of Florida Retirement System
Florida
$6.73M +$47.1K +370 +0.7%
Tudor Investment Corp
110
Tudor Investment Corp
Connecticut
$6.56M +$6.71M +52,755 New
New York State Teachers Retirement System (NYSTRS)
111
New York State Teachers Retirement System (NYSTRS)
New York
$6.35M
California State Teachers Retirement System (CalSTRS)
112
California State Teachers Retirement System (CalSTRS)
California
$6.31M -$25.1K -197 -0.4%
SO
113
STRS Ohio
Ohio
$6.09M +$160K +1,259 +3%
SI
114
Stephens Inc
Arkansas
$5.92M +$173K +1,359 +3%
Aberdeen Group
115
Aberdeen Group
United Kingdom
$5.74M +$5.88M +46,178 New
COPPSERS
116
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$5.7M +$51M +400,970 +3,219%
AIC
117
AWM Investment Company
New York
$5.6M -$1.53M -12,000 -21%
FLAM
118
First Light Asset Management
Minnesota
$5.47M -$5.59M -43,901 -50%
VanEck Associates
119
VanEck Associates
New York
$5.41M -$93.4K -734 -2%
TIM
120
Thornburg Investment Management
New Mexico
$5.4M +$1.23M +9,688 +29%
EGM
121
Engineers Gate Manager
New York
$5.16M +$4.75M +37,326 +890%
Canada Life
122
Canada Life
Manitoba, Canada
$4.54M -$182K -1,429 -4%
BNP Paribas Financial Markets
123
BNP Paribas Financial Markets
France
$4.51M +$240K +1,888 +5%
SC
124
Slow Capital
California
$4.42M +$342K +2,688 +8%
Capital Fund Management (CFM)
125
Capital Fund Management (CFM)
France
$4.34M +$4.44M +34,876 New

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.