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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
426
$2.88M
427
$2.87M
428
$2.87M
429
$2.86M
430
$2.85M
431
$2.85M
432
$2.84M
433
$2.82M
434
$2.8M
435
$2.79M
436
$2.79M
437
$2.75M
438
$2.68M
439
$2.67M
440
$2.66M
441
$2.63M
442
$2.63M
443
$2.62M
444
$2.61M
445
$2.57M
446
$2.57M
447
$2.57M
448
$2.55M
449
$2.49M
450
$2.49M