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Regeneron Pharmaceuticals

1,192 hedge funds and large institutions have $46.8B invested in Regeneron Pharmaceuticals in 2025 Q2 according to their latest regulatory filings, with 134 funds opening new positions, 437 increasing their positions, 472 reducing their positions, and 201 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

Call options by funds: $ | Put options by funds: $

less repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

less ownership

Funds ownership:

less funds holding

Funds holding:

20% less capital invested

Capital invested by funds: $58.3B → $46.8B (-$11.5B)

20% less funds holding in top 10

Funds holding in top 10: 1512 (-3)

33% less first-time investments, than exits

New positions opened: 134 | Existing positions closed: 201

Holders
1,192
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
12
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$1.15B
Puts
$1.01B
Net Calls
Net Calls Change

Top Buyers

1 +$789M
2 +$318M
3 +$202M
4
BlackRock
BlackRock
New York
+$184M
5
Acadian Asset Management
Acadian Asset Management
Massachusetts
+$171M
Name Holding Trade Value Shares
Change
Change in
Stake
GCA
301
Greenwood Capital Associates
South Carolina
$6.75M
GAM
302
Generali Asset Management
Italy
$6.66M
HT
303
Headlands Technologies
Illinois
$6.64M
AIM
304
ARK Investment Management
Florida
$6.62M
RAM
305
RK Asset Management
Michigan
$6.62M
Janney Montgomery Scott
306
Janney Montgomery Scott
Pennsylvania
$6.61M
SC
307
Slow Capital
California
$6.51M
Calamos Advisors
308
Calamos Advisors
Illinois
$6.44M
NAM
309
NorthCrest Asset Manangement
Minnesota
$6.32M
GIM
310
Generate Investment Management
New Zealand
$6.3M
HCM
311
Harvey Capital Management
Florida
$6.28M
TI
312
Trexquant Investment
Connecticut
$6.27M
MOACM
313
Mutual of America Capital Management
New York
$6.24M
ClearBridge Investments
314
ClearBridge Investments
New York
$6.22M
AI
315
Atria Investments
North Carolina
$6.02M
MPM
316
Meritage Portfolio Management
Kansas
$6.01M
MWM
317
Marietta Wealth Management
Georgia
$6.01M
ACA
318
Anchor Capital Advisors
Massachusetts
$5.97M
RSCM
319
Rock Springs Capital Management
Maryland
$5.93M
TSW
320
Thompson Siegel & Walmsley
Virginia
$5.82M
EMPI
321
Elo Mutual Pension Insurance
Finland
$5.73M
YCM
322
Yousif Capital Management
Michigan
$5.71M
VPIM
323
Vanguard Personalized Indexing Management
California
$5.7M
CAPTRUST Financial Advisors
324
CAPTRUST Financial Advisors
North Carolina
$5.63M
AGP
325
Artia Global Partners
Florida
$5.6M