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WELLINGTON MANAGEMENT GROUP LLP

Position in WST — West Pharmaceutical Services Inc

CIK 902219 Boston, MA

Position in WST

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$62,318,124
+$57,954,405 QoQ
Shares Held
248,636
+1467.7% QoQ
Ownership
0.352%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority Sole 0.ToString("F0")% Shared 94.76302707572516.ToString("F0")% None 5.236972924274844.ToString("F0")%

Common Shares in WST Over Time

Shares Held

Position Value (USD)

Position in Medical Instruments & Supplies

Healthcare · as of Mar 31, 2026

WELLINGTON MANAGEMENT GROUP LLP holds $3,560,852,149 across 18 Medical Instruments & Supplies names. WST ranks #6 (1.8% of the industry book) .

# Ticker Company Shares Value (USD) Open
6 WST
West Pharmaceutical Services Inc
This page
248,636 $62,318,124

All Filings in WST

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25 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $62,318,124 248,636
2025-12-31 $4,363,719 15,860
2025-09-30 $3,835,002 14,619
2025-06-30 $3,020,752 13,806
2025-03-31 $3,021,036 13,494
2024-12-31 $2,180,238 6,656
2024-09-30 $1,968,148 6,557
2024-06-30 $1,896,626 5,758
2024-03-31 $2,145,142 5,421
2023-12-31 $2,055,323 5,837
2023-09-30 $1,364,262 3,636
2023-06-30 $1,509,225 3,946
2023-03-31 $1,218,534 3,517
2022-12-31 $834,315 3,545
2022-09-30 $824,367 3,350
2022-06-30 $1,703,854 5,635
2022-03-31 $1,467,055 3,572
2021-12-31 $2,830,005 6,034
2021-09-30 $1,685,847 3,971
2021-06-30 $2,491,435 6,938
2021-03-31 $2,346,099 8,326
2020-12-31 $3,111,308 10,982
2020-09-30 $1,619,984 5,893
2020-06-30 $2,467,519 10,862
2020-03-31 $1,089,500 7,156