ARK Invest

Superinvestor

ARK Investment Management LLC

SEC CIK: 0001697748
Manager: Cathie Wood
Style: Growth
Latest filing: Aug 14, 2026

SEC filings (opens in a new tab)

WST holding history

West Pharmaceutical Services Inc in every 13F filed by ARK Invest, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

WST overview All 13F holders of WST Full Q2 2026 holdings

Shares (Q3 2022): 0; Sold out in Q3 2022
Value: $0
% of portfolio: 0.0%
Quarters held: 2; Since Q1 2022

Holdings of WST by ARK Invest, by quarter
Quarter	Shares	Value	% of portfolio	Share change	Action	All holders
Q3 2022	0	$0	0.0%	−417−100.0%	Sold out	Holders
Q2 2022	417	$129.0K	<0.1%	−19−4.4%	Reduced	Holders
Q1 2022	436	$179.0K	<0.1%	+436	New	Holders