WST
West Pharmaceuti (WST)
NYSE
$352.97-$0.12 (-0.03%)
Price as of Aug 21, 2026 7:30 PM EDT
  • $24.8B
    Market Cap
  • 42.90%
    1-Year Change
  • Medical Instruments & Supplies
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
VANGUARD GROUP INC
13.55%
9.5M
-165,775 (-1.74%)
Dec 31, 2025
BLACKROCK INC.
10.77%
7.6M
+16,231 (+0.21%)
Jun 30, 2024
BLACKROCK FUNDING, INC. /DE
10.59%
7.5M
+173,481 (+2.33%)
Dec 31, 2024
BLACKROCK, INC.
9.45%
6.7M
-184,930 (-2.78%)
Jun 30, 2026
VANGUARD CAPITAL MANAGEMENT LLC
6.56%
4.6M
-70,152 (-1.52%)
Jun 30, 2026
VANGUARD PORTFOLIO MANAGEMENT LLC
5.71%
4.0M
-78,243 (-1.95%)
Jun 30, 2026
N/A
5.71%
4.0M
-78,243 (-1.95%)
Jun 30, 2026

Current Ownership Distribution

  • Institutions1.3B (78.44%)
  • Mutual Funds359.9M (21.46%)
  • Insiders1.7M (0.10%)
  • Other0 (0.00%)

Insider Transactions

  • 0.10% (1.7M)
    Current InsiderOwnership (%, shares)
  • 0
    Number of InsiderBuying (last 12 months)
  • $0.00
    Amount of InsiderBuying (last 12 months)
  • 0
    Number of InsiderSelling (last 12 months)
  • $0.00
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
McMahon Robert W.
SVP & Chief Financial Officer
Exempt
Aug 11, 2026
$0.00
6,355
$0.00
2,119
McMahon Robert W.
SVP & Chief Financial Officer
Exempt
Aug 11, 2026
$0.00
794
$0.00
2,383
McMahon Robert W.
SVP & Chief Financial Officer
Exempt
Aug 11, 2026
$0.00
794
$0.00
3,775
McMahon Robert W.
SVP & Chief Financial Officer
In Kind
Aug 11, 2026
$121,403.61
346
$351.37
3,429
McMahon Robert W.
SVP & Chief Financial Officer
Exempt
Aug 11, 2026
$0.00
6,355
$0.00
9,784
McMahon Robert W.
SVP & Chief Financial Officer
In Kind
Aug 11, 2026
$971,072.48
2,764
$351.37
7,021
McMahon Robert W.
SVP & Chief Financial Officer
Award
Mar 01, 2026
$0.00
3,082
$0.00
3,082
Finch Norman D. Jr.
SVP, GC & Corporate Secretary
Award
Mar 01, 2026
$0.00
1,285
$0.00
1,285
Poussot Rodolphe Jean
SVP, Strategy & Corporate Dev
Award
Mar 01, 2026
$0.00
437
$0.00
437
Winters Chad
VP, Chief Accounting Officer
Award
Mar 01, 2026
$0.00
340
$0.00
340
McMahon Robert W.
SVP & Chief Financial Officer
Award
Mar 01, 2026
$0.00
7,337
$0.00
7,337
Campbell Shane Alden
SVP, Proprietary Segment
Award
Mar 01, 2026
$0.00
1,131
$0.00
1,131
Favorite Annette F
Sr. VP & Chief HR Officer
Award
Mar 01, 2026
$0.00
720
$0.00
720
Winters Chad
VP, Chief Accounting Officer
Award
Mar 01, 2026
$0.00
808
$0.00
808
Poussot Rodolphe Jean
SVP, Strategy & Corporate Dev
Award
Mar 01, 2026
$0.00
1,040
$0.00
1,040
Finch Norman D. Jr.
SVP, GC & Corporate Secretary
Award
Mar 01, 2026
$0.00
3,057
$0.00
3,057
Favorite Annette F
Sr. VP & Chief HR Officer
Award
Mar 01, 2026
$0.00
1,712
$0.00
1,712
Campbell Shane Alden
SVP, Proprietary Segment
Award
Mar 01, 2026
$0.00
2,691
$0.00
2,691
Poussot Rodolphe Jean
SVP, Strategy & Corporate Dev
Exempt
Feb 20, 2026
$0.00
383
$0.00
383
Winters Chad
VP, Chief Accounting Officer
Exempt
Feb 20, 2026
$0.00
89
$0.00
268
Poussot Rodolphe Jean
SVP, Strategy & Corporate Dev
Exempt
Feb 20, 2026
$0.00
383
$0.00
691
Witherspoon Charles
VP & Treasurer
Exempt
Feb 20, 2026
$0.00
60
$0.00
178
Poussot Rodolphe Jean
SVP, Strategy & Corporate Dev
In Kind
Feb 20, 2026
$31,235.89
130
$241.12
561
Winters Chad
VP, Chief Accounting Officer
Exempt
Feb 20, 2026
$0.00
89
$0.00
1,553
Witherspoon Charles
VP & Treasurer
Exempt
Feb 20, 2026
$0.00
60
$0.00
1,430
Winters Chad
VP, Chief Accounting Officer
In Kind
Feb 20, 2026
$7,277.97
30
$241.12
1,523
Witherspoon Charles
VP & Treasurer
In Kind
Feb 20, 2026
$5,321.28
22
$241.12
1,408
Green Eric Mark
President, CEO and Board Chair
Exempt
Feb 18, 2026
$0.00
1,319
$0.00
3,956
Favorite Annette F
Sr. VP & Chief HR Officer
Exempt
Feb 18, 2026
$0.00
135
$0.00
17,410
Green Eric Mark
President, CEO and Board Chair
Exempt
Feb 18, 2026
$0.00
1,319
$0.00
175,734