What does CUSIP 955306105 represent in this 13F holders report?

CUSIP 955306105 is the security identifier for WST - WEST PHARMACEUTICAL SERVICES INC - Common Stock used to aggregate holder disclosures.

How many institutions held WST - WEST PHARMACEUTICAL SERVICES INC - Common Stock in Q1 2021?

581 institutional investors reported WST - WEST PHARMACEUTICAL SERVICES INC - Common Stock for Q1 2021. Use the holders table for investor-level position and value details.

WEST PHARMACEUTICAL SERVICES INC - Common Stock (WST)

CUSIP: 955306105

Q1 2021 13F Holders as of 31 Mar 2021

Type / Class: Equity / Common Stock
Shares outstanding: 72,162,981
Total 13F shares: 68,655,696
Share change: +166,145
Total reported value: $19,249,105,816
Put/Call ratio: 136%
Price per share: $281.78
Number of holders: 581
Value change: -$1,483,079
Number of buys: 287
Number of sells: 271

Quarterly Holders Quick Answers

What is CUSIP 955306105?
CUSIP 955306105 identifies WST - WEST PHARMACEUTICAL SERVICES INC - Common Stock in SEC institutional holdings data.

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Explore More Reporting Periods

Jump to adjacent filing periods for faster comparison and easier crawl discovery.

Newer quarter: Q2 2021
Previous quarter: Q4 2020

Recent filing periods for CUSIP 955306105:

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024

Top shareholders of WST - WEST PHARMACEUTICAL SERVICES INC - Common Stock (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Holder	Source	Role / Reporting	Ownership %	Shares	Holdings Value	12M Net Δ	As of	Details
VANGUARD GROUP INC	13F	Company	11%	8,289,370	$2,348,461,000	—	31 Dec 2020	13F
BlackRock Finance, Inc.	13F	Company	10%	7,290,940	$2,065,597,000	—	31 Dec 2020	13F
PRICE T ROWE ASSOCIATES INC /MD/	13F	Company	6.4%	4,624,247	$1,310,095,000	—	31 Dec 2020	13F
FRANKLIN RESOURCES INC	13F	Company	5.3%	3,854,278	$1,091,956,000	—	31 Dec 2020	13F
STATE STREET CORP	13F	Company	4.6%	3,347,231	$948,304,000	—	31 Dec 2020	13F
Invesco Ltd.	13F	Company	2.4%	1,725,906	$488,965,000	—	31 Dec 2020	13F
Neuberger Berman Group LLC	13F	Company	2.3%	1,644,839	$463,844,000	—	31 Dec 2020	13F
WCM INVESTMENT MANAGEMENT, LLC	13F	Company	2.2%	1,613,372	$457,084,000	—	31 Dec 2020	13F
BAMCO INC /NY/	13F	Company	1.9%	1,335,068	$378,238,000	—	31 Dec 2020	13F
Artisan Partners Limited Partnership	13F	Company	1.8%	1,301,035	$368,596,000	—	31 Dec 2020	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	1.7%	1,256,922	$355,246,000	—	31 Dec 2020	13F
GOLDMAN SACHS GROUP INC	13F	Company	1.7%	1,250,872	$354,386,000	—	31 Dec 2020	13F
FMR LLC	13F	Company	1.6%	1,179,149	$334,065,000	—	31 Dec 2020	13F
BROWN ADVISORY INC	13F	Company	1.6%	1,172,468	$332,172,000	—	31 Dec 2020	13F
APG Asset Management N.V.	13F	Company	1.6%	1,190,606	$275,682,000	—	31 Dec 2020	13F
Durable Capital Partners LP	13F	Company	1.3%	968,625	$274,421,000	—	31 Dec 2020	13F
NORTHERN TRUST CORP	13F	Company	1.2%	851,395	$241,209,000	—	31 Dec 2020	13F
Nuveen Asset Management, LLC	13F	Company	1.1%	821,443	$232,724,000	—	31 Dec 2020	13F
NORGES BANK	13F	Company	1%	745,959	$211,338,000	—	31 Dec 2020	13F
Capital Research Global Investors	13F	Company	1%	731,139	$207,139,000	—	31 Dec 2020	13F
MASSACHUSETTS FINANCIAL SERVICES CO /MA/	13F	Company	1%	723,828	$205,068,000	—	31 Dec 2020	13F
JANUS HENDERSON GROUP PLC	13F	Company	0.95%	687,573	$194,796,000	—	31 Dec 2020	13F
Bank of New York Mellon Corp	13F	Company	0.86%	621,210	$175,995,000	—	31 Dec 2020	13F
BANK OF AMERICA CORP /DE/	13F	Company	0.8%	576,021	$163,192,000	—	31 Dec 2020	13F
Legal & General Group Plc	13F	Company	0.8%	575,029	$162,911,000	—	31 Dec 2020	13F
RIVERBRIDGE PARTNERS LLC	13F	Company	0.78%	564,316	$159,876,000	—	31 Dec 2020	13F
Sumitomo Mitsui Trust Group, Inc.	13F	Company	0.73%	526,683	$149,215,000	—	31 Dec 2020	13F
VICTORY CAPITAL MANAGEMENT INC	13F	Company	0.72%	520,057	$147,338,000	—	31 Dec 2020	13F
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	13F	Company	0.64%	459,262	$130,113,516	—	31 Dec 2020	13F
MANUFACTURERS LIFE INSURANCE COMPANY, THE	13F	Company	0.63%	452,502	$128,199,000	—	31 Dec 2020	13F
ALLIANCEBERNSTEIN L.P.	13F	Company	0.61%	437,023	$123,813,000	—	31 Dec 2020	13F
CONGRESS ASSET MANAGEMENT CO	13F	Company	0.57%	414,544	$117,444,000	—	31 Dec 2020	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	0.54%	388,900	$110,180,000	—	31 Dec 2020	13F
FEDERATED HERMES, INC.	13F	Company	0.51%	368,713	$104,459,000	—	31 Dec 2020	13F
AMERIPRISE FINANCIAL INC	13F	Company	0.49%	353,415	$100,099,000	—	31 Dec 2020	13F
Champlain Investment Partners, LLC	13F	Company	0.48%	345,730	$97,949,000	—	31 Dec 2020	13F
WELLS FARGO & COMPANY/MN	13F	Company	0.47%	336,441	$95,317,000	—	31 Dec 2020	13F
DIMENSIONAL FUND ADVISORS LP	13F	Company	0.45%	324,350	$91,886,000	—	31 Dec 2020	13F
SCHRODER INVESTMENT MANAGEMENT GROUP	13F	Company	0.45%	321,335	$91,037,000	—	31 Dec 2020	13F
USS Investment Management Ltd	13F	Company	0.44%	320,008	$90,645,000	—	31 Dec 2020	13F
Fisher Asset Management, LLC	13F	Company	0.44%	316,987	$89,806,000	—	31 Dec 2020	13F
ROYAL BANK OF CANADA	13F	Company	0.42%	301,146	$85,317,000	—	31 Dec 2020	13F
PRUDENTIAL FINANCIAL INC	13F	Company	0.41%	297,165	$84,189,000	—	31 Dec 2020	13F
CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM	13F	Company	0.39%	279,341	$79,140,000	—	31 Dec 2020	13F
Swiss National Bank	13F	Company	0.39%	278,900	$79,015,000	—	31 Dec 2020	13F
Aberdeen Group plc	13F	Company	0.37%	269,834	$76,447,000	—	31 Dec 2020	13F
JPMORGAN CHASE & CO	13F	Company	0.35%	252,068	$71,414,000	—	31 Dec 2020	13F
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	13F	Company	0.34%	248,836	$70,498,000	—	31 Dec 2020	13F
Intermede Investment Partners Ltd	13F	Company	0.34%	248,287	$70,342,000	—	31 Dec 2020	13F
KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC	13F	Company	0.34%	247,238	$70,046,000	—	31 Dec 2020	13F

Institutional Holders of WEST PHARMACEUTICAL SERVICES INC - Common Stock (WST) as of Q1 2021

As of 31 Mar 2021, WEST PHARMACEUTICAL SERVICES INC - Common Stock (WST) was held by 581 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 68,655,696 shares. The largest 10 holders included VANGUARD GROUP INC, BlackRock Inc., PRICE T ROWE ASSOCIATES INC /MD/, FRANKLIN RESOURCES INC, STATE STREET CORP, APG Asset Management N.V., WCM INVESTMENT MANAGEMENT, LLC, Invesco Ltd., Neuberger Berman Group LLC, and GEODE CAPITAL MANAGEMENT, LLC. This page lists 582 institutional shareholders reporting positions in this security for the Q1 2021 filing period.

Investor	Option	Weight %	Change %	Value $	* Price	Shares	Share Change	Activity	Report Period

Compare Q1 2021 vs Q4 2020 Across Filers

Q4 2020 holders

582

Q1 2021 holders

581

Holder diff

-1

Investor	Q4 2020 Shares	Q1 2021 Shares	Share Diff	Share Chg %	Q4 2020 Value $	Q1 2021 Value $	Value Diff $	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.