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REGN

Regeneron Pharmaceuticals, Inc.

NASDAQ · USHealthcareBiotechnology
$672.85-0.57%

Price as of Jul 20, 2026

REGN ownership

Regeneron Pharmaceuticals, Inc. ownership & insider activity

Latest available institutional positioning and SEC Form 4 insider transactions, coalesced at the company entity level when listings share coverage.

Insider Activity

Sentiment
0/100
Buys (3m)
0
Sells (3m)
10
Net (3m)
-$185.0K
Insider trades by month Buys Sells
Nov
Jan
Feb
Apr
May
Jul
Context3-month price -13.7%Institutions accumulating (13F)
DateInsiderTypeSharesPrice
Jul 7, 2026RYAN ARTHUR FdirectorSell200$650.15
May 4, 2026RYAN ARTHUR FdirectorSell7$706.74
May 4, 2026RYAN ARTHUR FdirectorSell5$701.76
May 4, 2026RYAN ARTHUR FdirectorSell15$702.46
May 4, 2026RYAN ARTHUR FdirectorSell1$712.09
May 4, 2026RYAN ARTHUR FdirectorSell6$709.45
May 4, 2026RYAN ARTHUR FdirectorSell4$707.40
May 4, 2026RYAN ARTHUR FdirectorSell2$710.87
May 4, 2026RYAN ARTHUR FdirectorSell14$705.56
May 4, 2026RYAN ARTHUR FdirectorSell24$703.46
Apr 3, 2026RYAN ARTHUR FdirectorSell1$771.32
Apr 3, 2026RYAN ARTHUR FdirectorSell4$778.24
Apr 3, 2026RYAN ARTHUR FdirectorSell13$776.62
Apr 3, 2026RYAN ARTHUR FdirectorSell9$777.42
Apr 3, 2026RYAN ARTHUR FdirectorSell40$779.71
Apr 3, 2026RYAN ARTHUR FdirectorSell14$775.58
Apr 3, 2026RYAN ARTHUR FdirectorSell8$773.59
Apr 3, 2026RYAN ARTHUR FdirectorSell3$772.76
Feb 23, 2026Zoghbi Huda YdirectorSell49$774.68
Feb 23, 2026Zoghbi Huda YdirectorSell331$780.45
Feb 23, 2026Zoghbi Huda YdirectorSell298$782.10
Feb 23, 2026Zoghbi Huda YdirectorSell53$778.47
Feb 23, 2026Zoghbi Huda YdirectorSell50$775.50
Feb 23, 2026Zoghbi Huda YdirectorSell160$784.45
Feb 23, 2026Zoghbi Huda YdirectorSell56$785.61
Feb 23, 2026Zoghbi Huda YdirectorSell209$781.28
Feb 23, 2026Zoghbi Huda YdirectorSell208$779.55
Feb 23, 2026Zoghbi Huda YdirectorSell4$790.00
Feb 23, 2026Zoghbi Huda YdirectorSell220$783.29
Feb 23, 2026Zoghbi Huda YdirectorOption1,638$376.69

Source: REGN SEC Form 4 filings, latest Jul 7, 2026. For informational purposes only — not investment advice.

Institutional activity (13F)

How institutions changed their REGN positions over the last 6 months (SEC Form 13F).

Increased
1094
New positions
370
Reduced
979
Sold out
231
Largest moves
InstitutionActionSharesFiled
VANGUARD GROUP INCIncreased9.1MJan 29, 2026
BLACKROCK, INC.Increased8.9MMay 13, 2026
BLACKROCK, INC.Reduced8.7MFeb 12, 2026
VANGUARD CAPITAL MANAGEMENT LLCNew Position6.7MMay 15, 2026
STATE STREET CORPIncreased4.7MMay 15, 2026
STATE STREET CORPReduced4.7MFeb 13, 2026
DODGE & COXIncreased4.6MFeb 13, 2026
DODGE & COXReduced4.5MMay 14, 2026
JPMORGAN CHASE & COIncreased4.3MMay 13, 2026
JPMORGAN CHASE & COReduced3.9MFeb 11, 2026
FRANKLIN RESOURCES INCIncreased2.7MMay 13, 2026
GEODE CAPITAL MANAGEMENT, LLCIncreased2.6MMay 15, 2026
FRANKLIN RESOURCES INCIncreased2.6MFeb 11, 2026
GEODE CAPITAL MANAGEMENT, LLCReduced2.5MFeb 9, 2026
FMR LLCIncreased2.3MFeb 17, 2026

Source: SEC Form 13F filings. For informational purposes only — not investment advice.