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 Q4 2018?

345 institutional investors reported WST - WEST PHARMACEUTICAL SERVICES INC - Common Stock for Q4 2018. Use the holders table for investor-level position and value details.

WEST PHARMACEUTICAL SERVICES INC - Common Stock (WST)

CUSIP: 955306105

Q4 2018 13F Holders as of 31 Dec 2018

Type / Class: Equity / Common Stock
Shares outstanding: 71,941,794
Total 13F shares: 69,304,554
Share change: +440,322
Total reported value: $6,793,717,291
Put/Call ratio: 236%
Price per share: $98.03
Number of holders: 345
Value change: +$30,353,474
Number of buys: 166
Number of sells: 150

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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Newer quarter: Q1 2019
Previous quarter: Q3 2018

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
PRICE T ROWE ASSOCIATES INC /MD/	13F	Company	12%	8,937,104	$1,103,464,000	—	30 Sep 2018	13F
VANGUARD GROUP INC	13F	Company	9.8%	7,067,729	$872,652,000	—	30 Sep 2018	13F
BlackRock Finance, Inc.	13F	Company	9.2%	6,640,595	$819,914,000	—	30 Sep 2018	13F
FRANKLIN RESOURCES INC	13F	Company	6.7%	4,837,831	$597,316,000	—	30 Sep 2018	13F
Neuberger Berman Group LLC	13F	Company	4%	2,907,607	$359,002,000	—	30 Sep 2018	13F
STATE STREET CORP	13F	Company	3.3%	2,357,714	$291,104,000	—	30 Sep 2018	13F
ALLIANCEBERNSTEIN L.P.	13F	Company	3%	2,191,862	$270,629,000	—	30 Sep 2018	13F
JPMORGAN CHASE & CO	13F	Company	2.3%	1,638,954	$202,362,000	—	30 Sep 2018	13F
BAMCO INC /NY/	13F	Company	2.2%	1,611,833	$199,013,000	—	30 Sep 2018	13F
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC	13F	Company	2%	1,434,617	$177,133,000	—	30 Sep 2018	13F
Artisan Partners Limited Partnership	13F	Company	1.6%	1,115,249	$137,700,000	—	30 Sep 2018	13F
USS Investment Management Ltd	13F	Company	1.5%	1,087,078	$134,205,000	—	30 Sep 2018	13F
WCM INVESTMENT MANAGEMENT, LLC	13F	Company	1.4%	1,036,034	$127,919,000	—	30 Sep 2018	13F
FEDERATED HERMES, INC.	13F	Company	1.4%	1,004,516	$124,028,000	—	30 Sep 2018	13F
GOLDMAN SACHS GROUP INC	13F	Company	1.4%	973,116	$120,150,000	—	30 Sep 2018	13F
BESSEMER GROUP INC	13F	Company	1.3%	958,737	$118,375,000	—	30 Sep 2018	13F
Fisher Asset Management, LLC	13F	Company	1.3%	922,501	$113,901,000	—	30 Sep 2018	13F
JANUS HENDERSON GROUP PLC	13F	Company	1.2%	876,805	$108,259,000	—	30 Sep 2018	13F
1832 Asset Management L.P.	13F	Company	1.2%	876,020	$108,242,000	—	30 Sep 2018	13F
Bank of New York Mellon Corp	13F	Company	1.2%	854,303	$105,479,000	—	30 Sep 2018	13F
SCHRODER INVESTMENT MANAGEMENT GROUP	13F	Company	0.99%	710,147	$87,682,000	—	30 Sep 2018	13F
BANK OF AMERICA CORP /DE/	13F	Company	0.98%	705,226	$87,074,000	—	30 Sep 2018	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	0.93%	670,095	$82,736,000	—	30 Sep 2018	13F
RIVERBRIDGE PARTNERS LLC	13F	Company	0.9%	647,980	$80,006,000	—	30 Sep 2018	13F
TCW GROUP INC	13F	Company	0.89%	642,661	$79,349,000	—	30 Sep 2018	13F
NORGES BANK	13F	Company	0.88%	631,285	$77,945,000	—	30 Sep 2018	13F
ROYAL BANK OF CANADA	13F	Company	0.84%	602,608	$74,404,000	—	30 Sep 2018	13F
NORTHERN TRUST CORP	13F	Company	0.83%	594,960	$73,459,000	—	30 Sep 2018	13F
BROWN ADVISORY INC	13F	Company	0.76%	547,654	$67,619,000	—	30 Sep 2018	13F
MASSACHUSETTS FINANCIAL SERVICES CO /MA/	13F	Company	0.74%	531,688	$65,648,000	—	30 Sep 2018	13F
Champlain Investment Partners, LLC	13F	Company	0.69%	497,320	$61,404,000	—	30 Sep 2018	13F
EAGLE ASSET MANAGEMENT INC	13F	Company	0.53%	381,341	$47,084,000	—	30 Sep 2018	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	0.5%	363,275	$44,854,000	—	30 Sep 2018	13F
AMERIPRISE FINANCIAL INC	13F	Company	0.5%	362,319	$44,739,000	—	30 Sep 2018	13F
DIMENSIONAL FUND ADVISORS LP	13F	Company	0.49%	349,346	$43,132,000	—	30 Sep 2018	13F
GW&K Investment Management, LLC	13F	Company	0.47%	337,259	$41,641,000	—	30 Sep 2018	13F
Sterling Capital Management LLC	13F	Company	0.47%	336,905	$41,598,000	—	30 Sep 2018	13F
PRINCIPAL FINANCIAL GROUP INC	13F	Company	0.46%	327,544	$40,442,000	—	30 Sep 2018	13F
Mawer Investment Management Ltd.	13F	Company	0.44%	313,800	$38,745,000	—	30 Sep 2018	13F
WELLS FARGO & COMPANY/MN	13F	Company	0.43%	309,752	$38,246,000	—	30 Sep 2018	13F
VICTORY CAPITAL MANAGEMENT INC	13F	Company	0.42%	305,184	$37,681,000	—	30 Sep 2018	13F
EATON VANCE MANAGEMENT	13F	Company	0.37%	265,858	$32,825,000	—	30 Sep 2018	13F
Intermede Investment Partners Ltd	13F	Company	0.35%	253,071	$31,247,000	—	30 Sep 2018	13F
MORGAN STANLEY	13F	Company	0.34%	244,033	$30,130,000	—	30 Sep 2018	13F
CARILLON TOWER ADVISERS, INC.	13F	Company	0.33%	235,498	$29,076,000	—	30 Sep 2018	13F
PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO	13F	Company	0.32%	228,760	$28,245,000	—	30 Sep 2018	13F
KORNITZER CAPITAL MANAGEMENT INC /KS	13F	Company	0.31%	222,015	$27,412,000	—	30 Sep 2018	13F
AMI ASSET MANAGEMENT CORP	13F	Company	0.31%	220,645	$27,243,000	—	30 Sep 2018	13F
RHUMBLINE ADVISERS	13F	Company	0.26%	185,771	$22,937,000	—	30 Sep 2018	13F
BLAIR WILLIAM & CO/IL	13F	Company	0.23%	166,314	$20,535,000	—	30 Sep 2018	13F

Institutional Holders of WEST PHARMACEUTICAL SERVICES INC - Common Stock (WST) as of Q4 2018

As of 31 Dec 2018, WEST PHARMACEUTICAL SERVICES INC - Common Stock (WST) was held by 345 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 69,304,554 shares. The largest 10 holders included PRICE T ROWE ASSOCIATES INC /MD/, Vanguard Group Inc, BlackRock Inc., FRANKLIN RESOURCES INC, Neuberger Berman Group LLC, STATE STREET CORP, ALLIANCEBERNSTEIN L.P., BAMCO INC /NY/, JPMORGAN CHASE & CO, and WCM INVESTMENT MANAGEMENT, LLC. This page lists 345 institutional shareholders reporting positions in this security for the Q4 2018 filing period.

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

Compare Q4 2018 vs Q3 2018 Across Filers

Q3 2018 holders

347

Q4 2018 holders

345

Holder diff

-2

Investor	Q3 2018 Shares	Q4 2018 Shares	Share Diff	Share Chg %	Q3 2018 Value $	Q4 2018 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.