• $7.5B
    Market Cap
  • 56.72%
    1-Year Change
  • Biotechnology
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
JANUS HENDERSON GROUP PLC
11.48%
16.6M
+3.2M (+19.24%)
Mar 31, 2026
FMR LLC
11.42%
16.5M
+2.7M (+16.12%)
Mar 31, 2026
VANGUARD GROUP INC
8.44%
12.2M
-126,467 (-1.04%)
Dec 31, 2025
T. ROWE PRICE INVESTMENT MANAGEMENT, INC.
8.40%
12.1M
+829,684 (+6.84%)
Mar 31, 2026
RA CAPITAL MANAGEMENT, L.P.
7.95%
11.5M
+750,000 (+6.54%)
Mar 31, 2026
BLACKROCK FUNDING, INC. /DE
7.69%
11.1M
+439,632 (+3.96%)
Dec 31, 2024
BLACKROCK, INC.
7.60%
11.0M
+725,438 (+6.61%)
Mar 31, 2026

Current Ownership Distribution

  • Institutions1.9B (76.97%)
  • Mutual Funds568.6M (22.57%)
  • Insiders11.4M (0.45%)
  • Other0 (0.00%)

Insider Transactions

  • 0.45% (11.4M)
    Current InsiderOwnership (%, shares)
  • 0
    Number of InsiderBuying (last 12 months)
  • $0.00
    Amount of InsiderBuying (last 12 months)
  • 3
    Number of InsiderSelling (last 12 months)
  • $107.3M
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
Slaoui Moncef
Award
Jun 22, 2026
$0.00
26,061
$0.00
26,061
PICKERING GRANT
CHIEF EXECUTIVE OFFICER
Exempt
Jun 18, 2026
$0.00
225
$0.00
0
PICKERING GRANT
CHIEF EXECUTIVE OFFICER
Exempt
Jun 18, 2026
$402.75
225
$1.79
497,164
PICKERING GRANT
CHIEF EXECUTIVE OFFICER
Sell
Jun 18, 2026
$11,814.75
225
$52.51
496,939
PICKERING GRANT
CHIEF EXECUTIVE OFFICER
Sell
Jun 18, 2026
$1.2M
22,236
$52.50
474,703
PICKERING GRANT
CHIEF EXECUTIVE OFFICER
Sell
Jun 18, 2026
$52,500.00
1,000
$52.50
135,215
PICKERING GRANT
CHIEF EXECUTIVE OFFICER
Sell
Jun 18, 2026
$52,500.00
1,000
$52.50
135,215
Paya Carlos V
Award
Jun 15, 2026
$0.00
11,389
$0.00
11,389
Lee Jacks
Award
Jun 15, 2026
$0.00
11,389
$0.00
11,389
Gilbert Halley E
Award
Jun 15, 2026
$0.00
11,389
$0.00
11,389
Lukatch Heath
Award
Jun 15, 2026
$0.00
11,389
$0.00
11,389
Loxam Teri
Award
Jun 15, 2026
$0.00
11,389
$0.00
11,389
Lee Jacks
Award
Jun 15, 2026
$0.00
2,265
$0.00
6,856
Gilbert Halley E
Award
Jun 15, 2026
$0.00
2,265
$0.00
12,481
Lukatch Heath
Award
Jun 15, 2026
$0.00
2,265
$0.00
19,481
Paya Carlos V
Award
Jun 15, 2026
$0.00
2,265
$0.00
6,856
BRANDICOURT OLIVIER
Award
Jun 15, 2026
$0.00
11,034
$0.00
11,034
Loxam Teri
Award
Jun 15, 2026
$0.00
2,265
$0.00
12,481
BRANDICOURT OLIVIER
Award
Jun 15, 2026
$0.00
2,194
$0.00
4,699
Wassil Jim
CHIEF OPERATING OFFICER
Sell
Apr 01, 2026
$82,090.86
1,412
$58.14
165,406
Wassil Jim
CHIEF OPERATING OFFICER
Sell
Apr 01, 2026
$49,385.02
838
$58.93
162,994
Cowan Elvia
SVP, Finance & CAO
Sell
Mar 17, 2026
$82,360.47
1,487
$55.39
29,380
Cowan Elvia
SVP, Finance & CAO
Sell
Mar 17, 2026
$22,786.51
405
$56.26
28,975
Cowan Elvia
SVP, Finance & CAO
Exempt
Mar 11, 2026
$0.00
2,500
$0.00
96,068
Cowan Elvia
SVP, Finance & CAO
Exempt
Mar 11, 2026
$64,800.00
2,500
$25.92
33,367
Cowan Elvia
SVP, Finance & CAO
Sell
Mar 11, 2026
$146,481.75
2,500
$58.59
30,867
Wassil Jim
CHIEF OPERATING OFFICER
Sell
Mar 10, 2026
$141,532.93
2,427
$58.32
171,786
Wassil Jim
CHIEF OPERATING OFFICER
Sell
Mar 10, 2026
$293,906.88
4,968
$59.16
166,818
Cowan Elvia
SVP, Finance & CAO
In Kind
Mar 09, 2026
$29,363.40
495
$59.32
30,867
Dhaliwal Harpreet S.
Chief Technical Ops Officer
In Kind
Mar 09, 2026
$35,829.28
604
$59.32
75,976