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Regeneron Pharmaceuticals
REGN

1,244 hedge funds and large institutions have $49B invested in Regeneron Pharmaceuticals in 2025 Q3 according to their latest regulatory filings, with 173 funds opening new positions, 486 increasing their positions, 420 reducing their positions, and 112 closing their positions.

New
Increased
Maintained
Reduced
Closed

75% more funds holding in top 10

Funds holding in top 10: 12 → 21 (+9)

54% more first-time investments, than exits

New positions opened: 173 | Existing positions closed: 112

44% more call options, than puts

Call options by funds: $1.5B | Put options by funds: $1.04B

16% more repeat investments, than reductions

Existing positions increased: 486 | Existing positions reduced: 420

3% more funds holding

Funds holding: 1,202 → 1,244 (+42)

4% more capital invested

Capital invested by funds: $46.9B → $49B (+$2.06B)

0.51% less ownership

Funds ownership: 84.12% → 83.61% (-0.51%)

Holders
1,244
Holders Change
+42
Holders Change %
+3.49%
% of All Funds
16.33%
Holding in Top 10
21
Holding in Top 10 Change
+9
Holding in Top 10 Change %
+75%
% of All Funds
0.28%
New
173
Increased
486
Reduced
420
Closed
112
Calls
$1.5B
Puts
$1.04B
Net Calls
+$460M
Net Calls Change
+$321M

Top Buyers

Rank Fund Capital Flow
1
Dodge & Cox
Dodge & Cox
California
+$410M
2
AQR Capital Management
AQR Capital Management
Connecticut
+$343M
3
Invesco
Invesco
Georgia
+$231M
4
N
Nuveen
North Carolina
+$189M
5
Caisse de Depot et Placement du Quebec (CDPQ)
Caisse de Depot et Placement du Quebec (CDPQ)
Quebec, Canada
+$140M

Top Sellers

Rank Fund Capital Flow
1
Capital International Investors
Capital International Investors
California
-$1.29B
2
Fidelity Investments
Fidelity Investments
Massachusetts
-$787M
3
Citadel Advisors
Citadel Advisors
Florida
-$255M
4
BlackRock
BlackRock
New York
-$248M
5
Vanguard Group
Vanguard Group
Pennsylvania
-$212M
Name Holding Trade Value Shares
Change 		Change in
Stake
HFM
1201
Hartford Financial Management
Connecticut
$2.25K – – –
W
1202
WealthCollab
Washington
$2.25K – – –
WWM
1203
Wolff Wiese Magana
California
$2.25K +$1.13K +2 +100%
HHGA
1204
Halbert Hargrove Global Advisors
California
$2.25K +$2.26K +4 New
CAC
1205
Core Alternative Capital
Georgia
$2.25K -$22.1K -39 -91%
CB
1206
CNB Bank
Pennsylvania
$2.25K – – –
LI
1207
LRI Investments
Florida
$2.25K – – –
RWPA
1208
Richard W. Paul & Associates
Michigan
$2.25K – – –
AFWM
1209
Abich Financial Wealth Management
Virginia
$2.25K +$2.26K +4 New
CC
1210
Corsicana & Co
Texas
$2.25K +$2.26K +4 New
CCM
1211
Cloud Capital Management
Washington
$2K +$2.83K +5 New
SIS
1212
Sound Income Strategies
Florida
$1.71K -$1.13K -2 -40%
WA
1213
WestEnd Advisors
North Carolina
$1.69K -$565 -1 -25%
GFL
1214
Granite FO LLC
New Hampshire
$1.69K – – –
LIM
1215
Longfellow Investment Management
Massachusetts
$1.69K – – –
PWA
1216
Principia Wealth Advisory
Texas
$1.69K – – –
TFG
1217
Team Financial Group
California
$1.69K – – –
MCI
1218
MRP Capital Investments
Georgia
$1.57K – – –
DF
1219
Dunhill Financial
United Kingdom
$1.4K -$1.13K -2 -50%
HC
1220
Hurley Capital
New York
$1.13K -$7.35K -13 -87%
FRA
1221
Front Row Advisors
California
$1.13K -$565 -1 -33%
ACA
1222
American Capital Advisory
Idaho
$1.13K – – –
CTWM
1223
Cherry Tree Wealth Management
Minnesota
$1.13K – – –
DI
1224
DAGCO Inc
Ohio
$1.13K – – –
LWMI
1225
Legacy Wealth Management (Idaho)
Idaho
$1.13K – – –
47 48
49
50 51

REGN Hedge Fund Activity: Q3 2025 in Review

1,244 of the 7,620 institutional investors tracked by Wall St. Rank reported a position in Regeneron Pharmaceuticals (REGN) for Q3 2025, worth a combined $49B — up 4.4% from $46.9B a quarter earlier.

Buyers outnumbered sellers: 173 funds opened new REGN positions and 112 closed out — a net gain of 61 holders — while 486 added to existing stakes and 420 trimmed.

The largest buyer was Dodge & Cox, adding an estimated $410M. The largest seller was Capital International Investors, cutting an estimated $1.29B.

  • 1,244 institutional investors held Regeneron Pharmaceuticals (REGN) as of Q3 2025, up from 1,202 in Q2 2025.
  • Funds reported $49B of Regeneron Pharmaceuticals stock for Q3 2025, up 4.4% quarter-over-quarter.
  • 173 funds opened new Regeneron Pharmaceuticals positions in Q3 2025 and 112 closed out, a net change of +61 holders.
  • The largest Regeneron Pharmaceuticals buyer in Q3 2025 was Dodge & Cox, an estimated $410M added.
  • The largest Regeneron Pharmaceuticals seller in Q3 2025 was Capital International Investors, an estimated $1.29B sold.

Based on aggregated 13F filings for Q3 2025.