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Regeneron Pharmaceuticals

1,198 hedge funds and large institutions have $46.9B invested in Regeneron Pharmaceuticals in 2025 Q2 according to their latest regulatory filings, with 133 funds opening new positions, 442 increasing their positions, 474 reducing their positions, and 204 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: $58.4B → $46.9B (-$11.5B)

20% less funds holding in top 10

Funds holding in top 10: 1512 (-3)

35% less first-time investments, than exits

New positions opened: 133 | Existing positions closed: 204

Holders
1,198
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 +$838M
2 +$338M
3 +$215M
4
BlackRock
BlackRock
New York
+$195M
5
Acadian Asset Management
Acadian Asset Management
Massachusetts
+$182M
Name Holding Trade Value Shares
Change
Change in
Stake
301
$6.87M
302
$6.78M
303
$6.75M
304
$6.66M
305
$6.64M
306
$6.62M
307
$6.62M
308
$6.61M
309
$6.51M
310
$6.44M
311
$6.32M
312
$6.3M
313
$6.28M
314
$6.27M
315
$6.24M
316
$6.22M
317
$6.02M
318
$6.01M
319
$6.01M
320
$5.97M
321
$5.93M
322
$5.86M
323
$5.82M
324
$5.73M
325
$5.71M