FMR LLC discloses 5% stake in West Pharmaceutical

FMR LLC has reported beneficial ownership of 3,559,015.80 shares of WEST PHARMACEUTICAL SVCS INC common stock, representing 5.0% of the class as of June 30, 2026.

Rhea-AI Filing Summary

FMR LLC has reported beneficial ownership of 3,559,015.80 shares of WEST PHARMACEUTICAL SVCS INC common stock, representing 5.0% of the class as of June 30, 2026. FMR reports sole dispositive power over these shares and no shared voting or dispositive power.

Within FMR’s reporting group, FMR LLC holds 3,469,427.93 shares with sole voting power and 3,559,015.80 shares with sole dispositive power. Abigail P. Johnson is reported as having sole dispositive power over the same 3,559,015.80 shares, but no sole or shared voting power. The filing notes that one or more other persons may receive dividends or sale proceeds from these securities, though no single such person has an interest exceeding five percent of the outstanding common stock.

Key Figures

Beneficially owned shares: 3,559,015.80 shares Percent of class: 5.0% Sole voting power (FMR LLC): 3,469,427.93 shares +3 more

6 metrics

Beneficially owned shares 3,559,015.80 shares Common stock of West Pharmaceutical SVCS INC beneficially owned by FMR LLC

Percent of class 5.0% Portion of West Pharmaceutical common stock class owned by FMR LLC

Sole voting power (FMR LLC) 3,469,427.93 shares Shares of West Pharmaceutical over which FMR LLC has sole voting power

Sole dispositive power (FMR LLC) 3,559,015.80 shares Shares of West Pharmaceutical over which FMR LLC has sole dispositive power

Sole dispositive power (Abigail P. Johnson) 3,559,015.80 shares Shares of West Pharmaceutical over which Abigail P. Johnson has sole dispositive power

As-of date 06/30/2026 Date associated with the reported ownership information

Key Terms

Schedule 13G, beneficially owned, sole dispositive power, sole voting power, +2 more

6 terms

Schedule 13G regulatory

"Please see Exhibit 99 for 13d-1(k) (1) agreement."

A Schedule 13G is a formal document that investors file with the government when they acquire a large ownership stake in a company, usually for investment purposes rather than control. It helps keep the public informed about who owns significant parts of a company's shares, which can influence how the company is managed and how investors make decisions. Filing this schedule is important for transparency and understanding the ownership landscape of publicly traded companies.

beneficially owned financial

"Ownership (a) | Amount beneficially owned: 3559015.80"

Beneficially owned describes securities or assets where a person has the economic rights and control—such as the right to receive dividends and to direct voting—even if legal title is held in another name. Think of it like having the keys and using a car that’s registered to someone else: you get the benefits and make decisions. Investors care because beneficial ownership reveals who truly controls value and voting power, affecting corporate decisions and takeover dynamics.

sole dispositive power financial

"Sole Dispositive Power 3,559,015.80"

Sole dispositive power is the exclusive legal authority to decide what happens to a security — for example, whether to sell, transfer, or retain shares — without needing anyone else’s permission. Investors care because it signals who truly controls the economic outcome of an investment: like holding the only key to a safe, the holder can realize gains or losses and may trigger regulatory reporting, insider rules, or influence over corporate ownership.

sole voting power financial

"Sole Voting Power 3,469,427.93"

Sole voting power is the exclusive right to cast votes attached to a shareholder’s stock without needing approval from anyone else. Like holding the only remote control for a TV, it lets that holder decide corporate matters such as board members, mergers, and policy changes, making it important to investors because it concentrates control and can strongly influence a company’s strategy and the value of its shares.

percent of class financial

"Percent of class: 5.0 %"

Percent of class is the portion of a specific category of securities—such as a company’s common shares, preferred shares, or a bond series—that takes part in or approves a corporate action (vote, consent, tender, etc.). Investors watch this number because it reveals how much support or opposition exists within that particular shareholder group; like counting how many members of a club back a proposal, it can determine whether a plan passes or how influence is distributed.

parent holding company regulatory

"Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

How many WEST PHARMACEUTICAL (WST) shares does FMR LLC beneficially own?

FMR LLC reports beneficial ownership of 3,559,015.80 shares of WEST PHARMACEUTICAL SVCS INC common stock. This stake represents 5.0% of the outstanding class as disclosed in the Schedule 13G filing.

What percentage of WEST PHARMACEUTICAL (WST) does FMR LLC hold according to this Schedule 13G?

FMR LLC holds 5.0% of the class of WEST PHARMACEUTICAL SVCS INC common stock. This percentage is based on 3,559,015.80 beneficially owned shares reported as of June 30, 2026.

What voting and dispositive powers over WST shares does FMR LLC report?

FMR LLC reports sole voting power over 3,469,427.93 shares and sole dispositive power over 3,559,015.80 shares of WEST PHARMACEUTICAL SVCS INC common stock, with no shared voting or shared dispositive power.

What role does Abigail P. Johnson have in the WST holdings reported?

Abigail P. Johnson is shown with sole dispositive power over 3,559,015.80 shares of WEST PHARMACEUTICAL SVCS INC but no sole or shared voting power. She files alongside FMR LLC, reflecting control relationships within the ownership structure.

Do other investors benefit from the WST shares held by FMR LLC?

The filing states that one or more other persons may receive dividends or sale proceeds from the WEST PHARMACEUTICAL SVCS INC shares. However, no such person has an interest exceeding 5% of the total outstanding common stock.

What type of security in WEST PHARMACEUTICAL (WST) is covered by this 13G?

The Schedule 13G covers COMMON STOCK of WEST PHARMACEUTICAL SVCS INC, identified by CUSIP 955306105. All reported ownership percentages and share amounts relate specifically to this class of securities.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 08/06/2026 - 10:45 AM Accepted by SEC EDGAR 08/06/2026 - 10:43 AM Learn about SEC filing dates

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

WEST PHARMACEUTICAL SVCS INC

(Name of Issuer)

COMMON STOCK

(Title of Class of Securities)

955306105

(CUSIP Number)

06/30/2026

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

Rule 13d-1(b)

Rule 13d-1(c)

Rule 13d-1(d)

schemaVersion:

SCHEDULE 13G

CUSIP Number(s): 955306105

1

Names of Reporting Persons

FMR LLC

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 3,469,427.93
6	Shared Voting Power 0.00
7	Sole Dispositive Power 3,559,015.80
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

3,559,015.80

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

5.0 %

12

Type of Reporting Person (See Instructions)

HC

SCHEDULE 13G

CUSIP Number(s): 955306105

1

Names of Reporting Persons

Abigail P. Johnson

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

UNITED STATES

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 3,559,015.80
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

3,559,015.80

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

5.0 %

12

Type of Reporting Person (See Instructions)

IN

SCHEDULE 13G

Item 1.
(a)	Name of issuer: WEST PHARMACEUTICAL SVCS INC
(b)	Address of issuer's principal executive offices: 530 HERMAN O. WEST DRIVE,EXTON,PA,US,19341
Item 2.
(a)	Name of person filing: FMR LLC
(b)	Address or principal business office or, if none, residence: 245 Summer Street, Boston, Massachusetts 02210
(c)	Citizenship: Not applicable
(d)	Title of class of securities: COMMON STOCK
(e)	CUSIP Number(s): 955306105
Item 3.	If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
(a)	Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
(b)	Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
(c)	Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
(d)	Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
(e)	An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
(f)	An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
(g)	A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
(h)	A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
(i)	A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j)	A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), please specify the type of institution:
(k)	Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
Item 4.	Ownership
(a)	Amount beneficially owned: 3559015.80
(b)	Percent of class: 5.0 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: Please see the responses to Items 5 and 6 on the cover page.
	(ii) Shared power to vote or to direct the vote: 0.00
	(iii) Sole power to dispose or to direct the disposition of: 3559015.80
	(iv) Shared power to dispose or to direct the disposition of: 0.00
Item 5.	Ownership of 5 Percent or Less of a Class.
	Ownership of 5 percent or less of a class
Item 6.	Ownership of more than 5 Percent on Behalf of Another Person.
	If any other person is known to have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, such securities, a statement to that effect should be included in response to this item and, if such interest relates to more than 5 percent of the class, such person should be identified. A listing of the shareholders of an investment company registered under the Investment Company Act of 1940 or the beneficiaries of employee benefit plan, pension fund or endowment fund is not required. One or more other persons are known to have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, the COMMON STOCK of WEST PHARMACEUTICAL SVCS INC. No one other person's interest in the COMMON STOCK of WEST PHARMACEUTICAL SVCS INC is more than five percent of the total outstanding COMMON STOCK.
Item 7.	Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
	If a parent holding company has filed this schedule, pursuant to Rule 13d-1(b)(ii)(G), so indicate under Item 3(g) and attach an exhibit stating the identity and the Item 3 classification of the relevant subsidiary. If a parent holding company has filed this schedule pursuant to Rule 13d-1(c) or Rule 13d-1(d), attach an exhibit stating the identification of the relevant subsidiary. See attached Exhibit 99.
Item 8.	Identification and Classification of Members of the Group.
	Not Applicable
Item 9.	Notice of Dissolution of Group.
	Not Applicable

Item 10.

Certifications:

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under § 240.14a-11.

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

FMR LLC

Signature:	Stephanie J. Brown
Name/Title:	Duly authorized under Power of Attorney effective as of January 3, 2023, by and on behalf of FMR LLC and its direct and indirect subsidiaries*
Date:	08/05/2026

Abigail P. Johnson

Signature:	Stephanie J. Brown
Name/Title:	Duly authorized under Power of Attorney effective as of January 26, 2023, by and on behalf of Abigail P. Johnson**
Date:	08/05/2026

Comments accompanying signature: * This power of attorney is incorporated herein by reference to Exhibit 24 to the Schedule 13G filed by FMR LLC on January 10, 2023, accession number: 0000315066-23-000003. ** This power of attorney is incorporated herein by reference to Exhibit 24 to the Schedule 13G filed by FMR LLC on January 31, 2023, accession number: 0000315066-23-000038.

Exhibit Information

Please see Exhibit 99 for 13d-1(k) (1) agreement.