REGN
Regeneron Pharma (REGN)
NASDAQ
$614.43+$1.93 (+0.31%)
Price as of Jun 23, 2026 5:31 PM EDT
  • $63.1B
    Market Cap
  • 20.30%
    1-Year Change
  • Biotechnology
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
VANGUARD GROUP INC
8.81%
9.1M
+26,884 (+0.30%)
Dec 31, 2025
BLACKROCK, INC.
8.69%
8.9M
+206,465 (+2.31%)
Mar 31, 2026
BLACKROCK FUNDING, INC. /DE
8.48%
8.7M
+251,360 (+2.88%)
Dec 31, 2024
BLACKROCK INC.
8.20%
8.4M
-122,288 (-1.45%)
Jun 30, 2024
N/A
6.46%
6.7M
+6.7M (+100.00%)
Mar 31, 2026
STATE STREET CORP
4.53%
4.7M
+3,670 (+0.08%)
Mar 31, 2026
DODGE & COX
4.33%
4.5M
-138,120 (-3.10%)
Mar 31, 2026

Current Ownership Distribution

  • Mutual Funds2.1B (56.24%)
  • Institutions1.6B (43.30%)
  • Insiders17.6M (0.46%)
  • Other0 (0.00%)

Insider Transactions

  • 0.46% (17.6M)
    Current InsiderOwnership (%, shares)
  • 0
    Number of InsiderBuying (last 12 months)
  • $0.00
    Amount of InsiderBuying (last 12 months)
  • 5
    Number of InsiderSelling (last 12 months)
  • $339.7M
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
RYAN ARTHUR F
Sell
Apr 01, 2026
$771.32
1
$771.32
17,702
RYAN ARTHUR F
Sell
Apr 01, 2026
$2,318.28
3
$772.76
17,699
RYAN ARTHUR F
Sell
Apr 01, 2026
$6,188.72
8
$773.59
17,691
RYAN ARTHUR F
Sell
Apr 01, 2026
$6,196.64
8
$774.58
17,683
RYAN ARTHUR F
Sell
Apr 01, 2026
$10,858.12
14
$775.58
17,669
RYAN ARTHUR F
Sell
Apr 01, 2026
$10,096.06
13
$776.62
17,656
RYAN ARTHUR F
Sell
Apr 01, 2026
$6,996.78
9
$777.42
17,647
RYAN ARTHUR F
Sell
Apr 01, 2026
$3,112.96
4
$778.24
17,643
RYAN ARTHUR F
Sell
Apr 01, 2026
$31,188.40
40
$779.71
17,603
RYAN ARTHUR F
Sell
Mar 02, 2026
$5,442.22
7
$777.46
17,796
RYAN ARTHUR F
Sell
Mar 02, 2026
$1,556.60
2
$778.30
17,794
RYAN ARTHUR F
Sell
Mar 02, 2026
$3,898.45
5
$779.69
17,789
RYAN ARTHUR F
Sell
Mar 02, 2026
$2,342.07
3
$780.69
17,786
RYAN ARTHUR F
Sell
Mar 02, 2026
$1,562.42
2
$781.21
17,784
RYAN ARTHUR F
Sell
Mar 02, 2026
$1,565.24
2
$782.62
17,782
RYAN ARTHUR F
Sell
Mar 02, 2026
$7,836.20
10
$783.62
17,772
RYAN ARTHUR F
Sell
Mar 02, 2026
$7,060.32
9
$784.48
17,763
RYAN ARTHUR F
Sell
Mar 02, 2026
$8,640.28
11
$785.48
17,752
RYAN ARTHUR F
Sell
Mar 02, 2026
$5,506.27
7
$786.61
17,745
RYAN ARTHUR F
Sell
Mar 02, 2026
$1,574.68
2
$787.34
17,743
RYAN ARTHUR F
Sell
Mar 02, 2026
$15,779.20
20
$788.96
17,723
RYAN ARTHUR F
Sell
Mar 02, 2026
$15,785.60
20
$789.28
17,703
Zoghbi Huda Y
Exempt
Feb 19, 2026
$0.00
1,638
$0.00
800
Zoghbi Huda Y
Exempt
Feb 19, 2026
$617,018.22
1,638
$376.69
3,341
Zoghbi Huda Y
Sell
Feb 19, 2026
$37,959.32
49
$774.68
3,292
Zoghbi Huda Y
Sell
Feb 19, 2026
$38,775.00
50
$775.50
3,242
Zoghbi Huda Y
Sell
Feb 19, 2026
$41,258.91
53
$778.47
3,189
Zoghbi Huda Y
Sell
Feb 19, 2026
$162,146.40
208
$779.55
2,981
Zoghbi Huda Y
Sell
Feb 19, 2026
$258,328.95
331
$780.45
2,650
Zoghbi Huda Y
Sell
Feb 19, 2026
$163,287.52
209
$781.28
2,441