WST — WEST PHARMACEUTICAL SERVICES INCToday's name, from the SEC's present-day ticker list — a present-day mapping, not the name as of each filing.

Congress trades
20
all time
Members · 12m
0
0 buys · 0 sells · by trade date
Latest filing
08-13
2025-08-13
Rows filed past the STOCK Act's 45-day window, stated on the row, never editorialised; both dates and the receipt stay on every row.
6
13F holders
542
top 500 listed · 2026-03-31
Congress: statutory ranges, filed up to 45 days after the trade · 13F: quarter-end snapshots, filed up to 45 days lateras of 2026-10-29
Congress 20Institutional 500

Congress · disclosure timeline

By trade date · 24 months · 6 rows ▲ buy, ▼ sell; height = lower bound (log scale). Trade date, not filing date — the filing lag is in the table below.

6 dated disclosures in the window, placed by trade date; magnitudes are the disclosed lower bounds, against gridlines at $15K, $250K, $5M.

Members active in WST

12 months · most active first Rows = number of disclosures, not dollars. Net = lower bound of the net range. Committees as of each member's latest trade in the window (roster snapshot 2026-10-29).

No member disclosed WST in the trailing 12 months.

Congressional disclosures

Newest filed firstAll 20 rows ↗
Latest congressional filings mentioning WST
FiledMemberSide · OwnerTraded · LagAmountRange · FlagsSrc
2025-08-13Lisa C. McClain R–MI-9SELL SP (spouse-owned)Traded 07-22 +22d$1K–$15K
2025-08-13Lisa C. McClain R–MI-9BUY SP (spouse-owned)Traded 06-17 LATE·57d$1K–$15K
2025-05-08Robert P. Bresnahan, Jr. R–PA-8SELLTraded 04-08 +30d$1K–$15K
2025-03-27Robert P. Bresnahan, Jr. R–PA-8BUYTraded 02-25 +30d$1K–$15K
2025-03-06Jared Moskowitz D–FL-23SELL DC (dependent-child-owned)Traded 02-13 +21d$1K–$15K
2024-12-09Jared Moskowitz D–FL-23SELLTraded 11-08 +31d$1K–$15K
2024-08-21Jared Moskowitz D–FL-23BUYTraded 2023-12-28 LATE·237d$1K–$15K
2024-08-21Jared Moskowitz D–FL-23BUYTraded 2023-07-14 LATE·404d$1K–$15K
2024-01-22Jared Moskowitz D–FL-23BUY DC (dependent-child-owned)Traded 2023-12-28 +25d$1K–$15K
2022-04-08Tommy Tuberville R–ALSELL JT (jointly owned)Traded 03-30 +9d$1K–$15K

13F holders · Quarter ended 2026-03-31Newest filing in this build: 2026-07-31. Per-row filing dates are on each receipt. · longs only

All holders ↗
Top institutional holders of WST for quarter 2026-03-31, 1–25 of 542 holders
#FilerValueSecuritiesFlagsderived by Public Filings from this build's reviewed ticker-mapping holders list for this share class; that list carries each holder's share count, share change and filed date (the full holders view shows them), but no document links — the EDGAR link opens the filer's 13F list·§
1BlackRock, Inc.$1.7B1
derived ·§ EDGAR ↗
2VANGUARD CAPITAL MANAGEMENT LLC$1.2B1
derived ·§ EDGAR ↗
3VANGUARD PORTFOLIO MANAGEMENT LLC$1.0B1
derived ·§ EDGAR ↗
4STATE STREET CORP$826M1
derived ·§ EDGAR ↗
5Artisan Partners Limited Partnership$666M1
derived ·§ EDGAR ↗
6GENERATION INVESTMENT MANAGEMENT LLP$562M1
derived ·§ EDGAR ↗
7MORGAN STANLEY$366M1
derived ·§ EDGAR ↗
8BROWN ADVISORY INC$336M1
derived ·§ EDGAR ↗
9Longview Partners (Guernsey) LTD$330M1
derived ·§ EDGAR ↗
10FMR LLC$313M1
derived ·§ EDGAR ↗
11APG Asset Management N.V.$276M1
derived ·§ EDGAR ↗
12Invesco Ltd.$265M1
derived ·§ EDGAR ↗
13UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC$226M1
derived ·§ EDGAR ↗
14TD ASSET MANAGEMENT INC$193M1
derived ·§ EDGAR ↗
15NORTHERN TRUST CORP$183M1
derived ·§ EDGAR ↗
16JACOBS LEVY EQUITY MANAGEMENT, INC$177M1
derived ·§ EDGAR ↗
17ProShare Advisors LLC$165M1
derived ·§ EDGAR ↗
18Amundi$161M1
derived ·§ EDGAR ↗
19Findlay Park Partners LLP$155M1
derived ·§ EDGAR ↗
20Capital Research Global Investors$151M1
derived ·§ EDGAR ↗
21CHARLES SCHWAB INVESTMENT MANAGEMENT INC$139M1
derived ·§ EDGAR ↗
22Epoch Investment Partners, Inc.$137M1
derived ·§ EDGAR ↗
23SEI INVESTMENTS CO$133M1
derived ·§ EDGAR ↗
24ARROWSTREET CAPITAL, LIMITED PARTNERSHIP$128M1
derived ·§ EDGAR ↗
25Legal & General Group Plc$127M1
derived ·§ EDGAR ↗
Show the top 500 of 542 holders
Truncated by Public Filings. Top 500 of 542 holders shown; the rest are on EDGAR. Method ↗

Crowding — not available in this build. No holder rows for the selected period, so no percentile can be ranked.

Congress ↔ notable managers · WST

Congress · last 90 days

Buyers
0 — —
Sellers
0 — —

filed 2026-07-31 → 2026-10-29 · statutory ranges

Notable managers · quarter ended 2026-03-31

Trimming
1 Moore Capital Management $0 held

by shares · $ = value heldNEW + ADD vs TRIM + EXIT, by share count. $ = reported value now, not the change. · West Pharmaceutical Services Inc - US

Merged timeline of congressional filings and notable-manager moves on WST
DateWhoChangeSize
2026-05-15Viking Global Investors 13FADD+121,920 sh
2026-05-15Tudor Investment Corp 13FADD+24,745 sh
2026-05-15Bridgewater Associates 13FADD+19,088 sh
2026-05-15Gotham Asset Management 13FADD+5,324 sh
2026-05-15Moore Capital Management 13FEXIT−95,000 sh
2026-05-14Caxton Associates 13FNEW+1,457 sh

6 newest, by filing date · 13F rows are quarter-end snapshots, not trades

Congress vs filers

12 months
Congress net (rows)no rows
Congress net ($ bound)$0
Filersnot computedThe filer side needs per-issuer quarter-over-quarter actions, which the published aggregate does not carry for this issuer. Convergence and divergence are stated only when both sides are computed.