• $44.1B
    Market Cap
  • 350.53%
    1-Year Change
  • Biotechnology
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
VANGUARD GROUP INC
7.86%
16.7M
+1.1M (+6.32%)
Dec 31, 2025
BLACKROCK FUNDING, INC. /DE
6.92%
14.7M
+852,690 (+5.79%)
Dec 31, 2024
BLACKROCK, INC.
6.44%
13.7M
+2.5M (+18.13%)
Jun 30, 2026
FARALLON CAPITAL MANAGEMENT LLC
6.37%
13.6M
-54,000 (-0.40%)
Jun 30, 2026
BLACKROCK INC.
6.31%
13.4M
+1.1M (+8.21%)
Jun 30, 2024
FMR LLC
5.74%
12.2M
+3.7M (+30.62%)
Jun 30, 2026
BAKER BROS. ADVISORS LP
5.38%
11.4M
+1.9M (+16.50%)
Jun 30, 2026

Current Ownership Distribution

  • Institutions2.8B (85.21%)
  • Mutual Funds463.4M (14.23%)
  • Insiders18.2M (0.56%)
  • Other0 (0.00%)

Insider Transactions

  • 0.56% (18.2M)
    Current InsiderOwnership (%, shares)
  • 0
    Number of InsiderBuying (last 12 months)
  • $0.00
    Amount of InsiderBuying (last 12 months)
  • 9
    Number of InsiderSelling (last 12 months)
  • $1.1B
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
Mancini Anthony
See Remarks
Exempt
Sep 25, 2026
$0.00
3,121
$0.00
93,625
Mancini Anthony
See Remarks
Exempt
Sep 25, 2026
$104,928.02
3,121
$33.62
42,886
Mancini Anthony
See Remarks
Sell
Sep 25, 2026
$625,885.34
3,121
$200.54
39,765
Mancini Anthony
See Remarks
Sell
Sep 24, 2026
$117,400.00
587
$200.00
39,765
ANDERSON ELIZABETH M
Exempt
Sep 22, 2026
$0.00
5,070
$0.00
1,095
ANDERSON ELIZABETH M
Exempt
Sep 22, 2026
$5,678.40
5,070
$1.12
14,476
ANDERSON ELIZABETH M
Sell
Sep 22, 2026
$174,585.41
910
$191.85
13,566
ANDERSON ELIZABETH M
Sell
Sep 22, 2026
$959,805.42
4,985
$192.54
8,581
ANDERSON ELIZABETH M
Sell
Sep 22, 2026
$512,227.00
2,648
$193.44
5,933
ANDERSON ELIZABETH M
Sell
Sep 22, 2026
$291,883.05
1,500
$194.59
4,433
ANDERSON ELIZABETH M
Sell
Sep 22, 2026
$19,515.00
100
$195.15
4,333
Mancini Anthony
See Remarks
Sell
Sep 16, 2026
$5,266.41
27
$195.05
43,863
Sandler Alan B.
Chief Development Officer
Sell
Sep 16, 2026
$974.79
5
$194.96
53,204
Mancini Anthony
See Remarks
Sell
Sep 16, 2026
$348,182.69
1,747
$199.30
42,116
Kelsey Stephen Michael
See Remarks
Sell
Sep 16, 2026
$16,575.63
85
$195.01
291,791
Sandler Alan B.
Chief Development Officer
Sell
Sep 16, 2026
$66,965.88
336
$199.30
52,868
Kelsey Stephen Michael
See Remarks
Sell
Sep 16, 2026
$1.1M
5,484
$199.30
286,307
Mancini Anthony
See Remarks
Exempt
Sep 10, 2026
$0.00
9,363
$0.00
96,746
Mancini Anthony
See Remarks
Exempt
Sep 10, 2026
$314,784.06
9,363
$33.62
59,338
Mancini Anthony
See Remarks
Sell
Sep 10, 2026
$1.2M
6,019
$203.28
53,319
Mancini Anthony
See Remarks
Sell
Sep 10, 2026
$1.1M
5,530
$204.14
47,789
Mancini Anthony
See Remarks
Sell
Sep 10, 2026
$496,224.15
2,420
$205.05
45,369
Mancini Anthony
See Remarks
Sell
Sep 10, 2026
$242,991.31
1,179
$206.10
44,190
Mancini Anthony
See Remarks
Sell
Sep 10, 2026
$62,151.99
300
$207.17
43,890
Kim Lorence H.
Sell
Sep 08, 2026
$145,863.06
706
$206.60
16,384
Kim Lorence H.
Sell
Sep 08, 2026
$207,124.77
999
$207.33
15,385
Kim Lorence H.
Sell
Sep 08, 2026
$748,081.05
3,587
$208.55
11,798
Kim Lorence H.
Sell
Sep 08, 2026
$597,874.68
2,853
$209.56
8,945
Kim Lorence H.
Sell
Sep 08, 2026
$995,678.24
4,730
$210.50
4,215
Kim Lorence H.
Sell
Sep 08, 2026
$812,463.23
3,844
$211.36
371