• $8.0B
    Market Cap
  • 2.65%
    1-Year Change
  • Biotechnology
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
VANGUARD GROUP INC
11.38%
17.8M
-121,495 (-0.68%)
Dec 31, 2025
BLACKROCK INC.
9.57%
15.0M
-2.8M (-18.40%)
Jun 30, 2024
BLACKROCK FUNDING, INC. /DE
8.97%
14.0M
+197,219 (+1.41%)
Dec 31, 2024
BLACKROCK, INC.
7.83%
12.3M
+135,388 (+1.10%)
Mar 31, 2026
N/A
6.50%
10.2M
+10.2M (+100.00%)
Mar 31, 2026
MORGAN STANLEY
5.45%
8.5M
+187,459 (+2.20%)
Mar 31, 2026
FMR LLC
5.05%
7.9M
+6.9M (+87.15%)
Mar 31, 2026

Current Ownership Distribution

  • Institutions2.5B (76.50%)
  • Mutual Funds754.6M (23.40%)
  • Insiders3.1M (0.10%)
  • Other0 (0.00%)

Insider Transactions

  • 0.10% (3.1M)
    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)
  • $3.6M
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
Herr Amy E.
Exempt
May 08, 2026
$0.00
6,636
$0.00
0
Herr Amy E.
Exempt
May 08, 2026
$315,873.60
6,636
$47.60
6,836
Herr Amy E.
Sell
May 08, 2026
$320,386.08
6,636
$48.28
200
Bohnen Shane
SVP - General Counsel
Exempt
May 05, 2026
$0.00
8,400
$0.00
448
Hippel James
CFO
Exempt
May 05, 2026
$0.00
62,000
$0.00
62,068
Bohnen Shane
SVP - General Counsel
Exempt
May 05, 2026
$399,840.00
8,400
$47.60
14,304
Hippel James
CFO
Exempt
May 05, 2026
$3.0M
62,000
$47.60
210,625
Bohnen Shane
SVP - General Counsel
In Kind
May 05, 2026
$399,877.40
7,055
$56.68
7,249
Hippel James
CFO
In Kind
May 05, 2026
$3.2M
56,955
$56.68
153,670
Crouse Steven C.
President - Diag & Spatial Bi
Exempt
May 01, 2026
$0.00
794
$0.00
794
Crouse Steven C.
President - Diag & Spatial Bi
Exempt
May 01, 2026
$0.00
794
$0.00
6,688
Crouse Steven C.
President - Diag & Spatial Bi
In Kind
May 01, 2026
$17,111.22
311
$55.02
6,337
Bohnen Shane
SVP - General Counsel
Exempt
Apr 03, 2026
$0.00
2,259
$0.00
0
Bohnen Shane
SVP - General Counsel
Exempt
Apr 03, 2026
$0.00
2,259
$0.00
6,644
Bohnen Shane
SVP - General Counsel
In Kind
Apr 03, 2026
$39,316.20
740
$53.13
5,904
Crouse Steven C.
President - Diag & Spatial Bi
Award
Mar 02, 2026
$0.00
2,387
$0.00
2,387
Crouse Steven C.
President - Diag & Spatial Bi
Award
Mar 02, 2026
$0.00
735
$0.00
735
Crouse Steven C.
President - Diag & Spatial Bi
Award
Mar 02, 2026
$0.00
1,911
$0.00
1,911
Herr Amy E.
Sell
Feb 17, 2026
$116,791.48
1,976
$59.10
200
Herr Amy E.
Exempt
Feb 03, 2026
$0.00
38
$0.00
77
Herr Amy E.
Exempt
Feb 03, 2026
$0.00
38
$0.00
2,192
Herr Amy E.
In Kind
Feb 03, 2026
$1,034.08
16
$64.63
2,176
McManus Matthew
President - Diag & Spatial Bio
Exempt
Feb 01, 2026
$0.00
4,621
$0.00
4,620
McManus Matthew
President - Diag & Spatial Bio
Exempt
Feb 01, 2026
$0.00
4,621
$0.00
9,356
McManus Matthew
President - Diag & Spatial Bio
In Kind
Feb 01, 2026
$106,709.85
1,665
$64.09
7,691
Kelderman Kim
Chief Executive Officer
In Kind
Nov 03, 2025
$144,098.71
2,303
$62.57
48,665
Geist William
PRESIDENT, PROTEIN SCIENCES
Exempt
Nov 03, 2025
$0.00
9,911
$0.00
0
Geist William
PRESIDENT, PROTEIN SCIENCES
Exempt
Nov 03, 2025
$0.00
9,911
$0.00
25,023
Geist William
PRESIDENT, PROTEIN SCIENCES
In Kind
Nov 03, 2025
$282,816.40
4,520
$62.57
20,503
Klimovsky Judith V
Award
Oct 30, 2025
$0.00
3,777
$0.00
3,777