§ LIFE SCIENCES TOOLS & SERVICES
NEW YORK STOCK EXCHANGE, INC. · USD · Life Sciences Tools & Services

WST

West Pharmaceutical Services Inc
NEW YORK STOCK EXCHANGE, INC. · USDSector · Life Sciences Tools & ServicesMarket cap · $17.0BBeta · 1.10
LAST · MARKET CLOSE · OCT 05
364.98
−0.03 ▼ 0.01%PREV CLOSE · $365.01
§ 01 · PRICE
Price action
1D5D1M6MYTD1YMAX
OPEN 364.74HIGH 368.85LOW 363.2652W 187.43 — 322.34
EVENTSSEP 15 · FAF SELLJUN 30 · EARNINGS +12.8%

§ 03 · SIGNAL STACK · WHAT THE INPUTS SAY

13F FLOW
454 increased/new, 262 decreased/exited (13F)
AC 13F Analysis
INSIDER
−$2M
2 txns · 90d

§ 04 · FUNDAMENTALS · THE BOOKS

P/E38.5P/B6.23
EPS (TTM)6.79Dividend0.32%
§ 05 · WHO OWNS IT
Top institutional holders
All holders →
FundShares% portΔ Q/Q
BlackRock, Inc.6.8M0.0%+4%
VANGUARD CAPITAL MANAGEMENT LLC4.7Mn/an/a
VANGUARD PORTFOLIO MANAGEMENT LLC4.1Mn/an/a
State Street3.3M0.0%+1%
Artisan Partners Limited Partnership2.7M1.1%−7%
Bank of New York Mellon Corp2.5M0.1%−7%
◇ AC INTELLIGENCE

Top institutional owners for WST as of the most recent 13F reporting period (Q1 2026 · Period ended Mar 31). Δ Q/Q reflects share-count change vs. the prior filing — positive green means adding, negative red means trimming. Cross-reference with the ownership-mix bars below to see which strategy cohort is driving the flow.

§ 06 · WHO OWNS IT · BY STRATEGY

OTHER52.7% · 572 holders
DEALER / BANK18.2% · 66 holders
PASSIVE / INDEX16.4% · 14 holders
QUALITY / COMPOUNDER13.9% · 39 holders
INCOME / DEFENSIVE3.2% · 43 holders
SYSTEMATIC / QUANT1.5% · 11 holders
TACTICAL / MACRO1.2% · 6 holders
ACTIVIST0.0% · 1 holder
GROWTH / MOMENTUM0.0% · 1 holder
◇ AC INTELLIGENCE

Ownership mix by behavioral cohort. Top bars indicate which style of capital dominates the float — passive indexing, quality compounders, dealer/bank, systematic quant, etc. Big quality-compounder share means concentrated active conviction; heavy passive share means flows are dictated by index rebalances, not fundamentals.

§ 07 · INSIDER ACTIVITY · LAST 180 DAYS

DateInsiderActionShares$ value
SEP 15Favorite Annette FSELL3K−$921K
SEP 10Favorite Annette FSELL3K−$852K
APR 29Favorite Annette FSELL3K−$860K
APR 29Winters ChadSELL896−$269K
◇ AC INTELLIGENCE

0 insider buys, 4 sells in the last 180 days. Scheduled 10b5-1 sales are pre-programmed and neutral; discretionary clusters are the tape worth reading. Cross-reference with the signal stack above for context.

§ 08 · COVERAGE · OUR RECENT NOTES