GuruTrack
WST

WST

WEST PHARMACEUTICAL SERVICES

Data as of 2026 Q2 (06-30) · 13F snapshot

Summary
WEST PHARMACEUTICAL SERVICES (WST) is held as common stock by 9 tracked hedge-fund managers, with a combined reported value of ~$425.38M; the largest are Bill Gates, Ken Griffin, Steven Cohen. 4 tracked managers also disclosed PUT or CALL positions, reported separately below. This quarter: 1 new, 4 added, 3 trimmed, 1 closed. 20 public STOCK Act / OGE trade disclosures are on record. Data as of 2026 Q2, from public SEC 13F filings, delayed up to ~45 days.
Attention · HighThis quarter · Mixed
Common-stock holders94 also report options
Congress trades20
Price$375.65vs quarter-end+4.64%
Sectors1
This quarter's moves
New1
Added4
Trimmed / sold4
Top holderBill Gates

Common-stock positions

PUT and CALL disclosures are excluded from these holder counts and values.

Bill GatesHold
Value $159.58M0.5% of portfolio444,5002026 Q2

PUT / CALL disclosures

Reported separately: 13F option values are not common-stock ownership and do not reveal the full strategy or economic exposure.

Ken GriffinCALL—
Value $13.21M— of portfolio36,8002026 Q2
Ken GriffinPUT—
Value $5.06M— of portfolio14,1002026 Q2
Steven CohenPUT—
Value $574.4K— of portfolio1,6002026 Q2
Izzy EnglanderPUT—
Value $574.4K— of portfolio1,6002026 Q2
Paul Tudor JonesPUT—
Value $430.8K— of portfolio1,2002026 Q2

Insider Trading

Officers · directors · Form 4
Open-market purchases and sales (P/S)5

  • Annette F Favorite

    Sr. VP & Chief HR Officer

    Sell$921.3K
    2,524 @ $365.00Traded 2026-09-11Filed 2026-09-15

  • Annette F Favorite

    Sr. VP & Chief HR Officer

    Sell$862.5K
    2,500 @ $345.00Traded 2026-09-11Filed 2026-09-15

  • Annette F Favorite

    Sr. VP & Chief HR Officer

    Sell$852.0K
    2,500 @ $340.81Traded 2026-09-08Filed 2026-09-10

  • Annette F Favorite

    Sr. VP & Chief HR Officer

    Sell$960.4K
    2,818 @ $340.81Traded 2026-09-08Filed 2026-09-10

  • Annette F Favorite

    Sr. VP & Chief HR Officer

    Sell$960.1K
    2,817 @ $340.81Traded 2026-09-08Filed 2026-09-10

Insider transactions are public SEC Form 4 disclosures (company officers, directors, 10% owners), for research only — not investment advice.

Public SEC 13F filings may appear up to 45 days after quarter-end; STOCK Act / OGE trade filings are generally due within 45 days but may be late. Partial data only — research, not investment advice.