REGN icon

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
701
$569K
702
$569K
703
$565K
704
$563K
705
$550K
706
$548K
707
$547K
708
$545K
709
$542K
710
$535K
711
$529K
712
$528K
713
$525K
714
$525K
715
$523K
716
$522K
717
$517K
718
$515K
719
$513K
720
$513K
721
$512K
722
$508K
723
$507K
724
$505K
725
$503K