REGN
Regeneron Pharma (REGN)
NASDAQ
$837.50+$3.46 (+0.41%)
Price as of Aug 21, 2026 7:58 PM EDT
  • $83.6B
    Market Cap
  • 42.21%
    1-Year Change
  • Biotechnology
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
BLACKROCK, INC.
8.85%
9.1M
+165,771 (+1.82%)
Jun 30, 2026
VANGUARD GROUP INC
8.81%
9.1M
+26,884 (+0.30%)
Dec 31, 2025
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
VANGUARD CAPITAL MANAGEMENT LLC
6.44%
6.6M
-25,154 (-0.38%)
Jun 30, 2026
DODGE & COX
4.73%
4.9M
+412,899 (+8.48%)
Jun 30, 2026
STATE STREET CORP
4.69%
4.8M
+170,210 (+3.52%)
Jun 30, 2026

Current Ownership Distribution

  • Mutual Funds2.3B (56.46%)
  • Institutions1.7B (43.10%)
  • Insiders17.7M (0.44%)
  • Other0 (0.00%)

Insider Transactions

  • 0.44% (17.7M)
    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)
  • $351.6M
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
LAROSA JOSEPH J
EVP General Counsel and Secret
Exempt
Aug 19, 2026
$0.00
12,282
$0.00
12,283
LAROSA JOSEPH J
EVP General Counsel and Secret
Exempt
Aug 19, 2026
$4.7M
12,282
$381.92
45,392
LAROSA JOSEPH J
EVP General Counsel and Secret
In Kind
Aug 19, 2026
$7.5M
9,019
$830.15
36,373
Zoghbi Huda Y
Exempt
Aug 10, 2026
$0.00
800
$0.00
0
Zoghbi Huda Y
Exempt
Aug 10, 2026
$301,352.00
800
$376.69
2,503
Zoghbi Huda Y
Sell
Aug 10, 2026
$640,000.00
800
$800.00
1,703
RYAN ARTHUR F
Sell
Jul 02, 2026
$130,030.00
200
$650.15
17,303
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