BlackRock Portfolio Management LLC reports beneficial ownership of 34,674,236 shares of WPP plc common stock, representing 3.2% of the class. The filing (Amendment No. 1) attributes voting and dispositive powers: sole voting power of 29,274,062 shares and sole dispositive power of 34,674,236 shares. The cover cites SEC Release No. 34-39538 and notes these holdings reflect the aggregated positions of certain Reporting Business Units of BlackRock, Inc. The filing is signed by a BlackRock Managing Director on 04/30/2026.
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Insights
BlackRock discloses a 3.2% beneficial stake in WPP, with full dispositive control over reported shares.
BlackRock Portfolio Management LLC reports ownership of 34,674,236 shares of WPP common stock and indicates sole dispositive power for the same amount, while holding 29,274,062 shares of sole voting power. The filing follows the aggregation rules in SEC Release No. 34-39538 and attributes holdings to specified Reporting Business Units.
Cash‑flow treatment or plans for these shares are not stated in the excerpt; subsequent filings would show any trading or disposition activity. The signature block shows the filing was executed on 04/30/2026.
Key Figures
Beneficial ownership:34,674,236 sharesPercent of class:3.2%Sole voting power:29,274,062 shares+2 more
5 metrics
Beneficial ownership34,674,236 sharesAmount beneficially owned reported on Schedule 13G/A
Percent of class3.2%Percent of WPP common stock reported in Item 4
Sole voting power29,274,062 sharesNumber with sole power to vote or to direct the vote
Sole dispositive power34,674,236 sharesNumber with sole power to dispose or to direct disposition
CUSIPSB8KF9B49CUSIP for WPP common stock as listed on cover
Key Terms
Reporting Business Units, Beneficially owned, Schedule 13G/A
3 terms
Reporting Business Unitsregulatory
"aggregated positions of certain Reporting Business Units of BlackRock, Inc."
Beneficially ownedregulatory
"securities beneficially owned, or deemed to be beneficially owned"
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.
Schedule 13G/Aregulatory
"Amendment No. 1 WPP plc Common Stock"
A Schedule 13G/A is an amended public filing with the U.S. securities regulator that updates a previous Schedule 13G, disclosing when an individual or group holds a substantial (typically over 5%) stake in a company and is claiming a passive, non‑controlling intent. Investors monitor these updates because rising or falling holdings can signal changing confidence, potential future moves, or shifts in voting power — like watching a public ledger where large shareholders quietly adjust their positions.
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SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G
UNDER THE SECURITIES EXCHANGE ACT OF 1934
(Amendment No. 1)
WPP plc
(Name of Issuer)
Common Stock
(Title of Class of Securities)
SB8KF9B49
(CUSIP Number)
03/31/2026
(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):
SB8KF9B49
1
Names of Reporting Persons
BlackRock Portfolio Management 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
29,274,062.00
6
Shared Voting Power
0.00
7
Sole Dispositive Power
34,674,236.00
8
Shared Dispositive Power
0.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
34,674,236.00
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)
3.2 %
12
Type of Reporting Person (See Instructions)
HC
SCHEDULE 13G
Item 1.
(a)
Name of issuer:
WPP plc
(b)
Address of issuer's principal executive offices:
SEA CONTAINERS, 18 UPPER GROUND, LONDON, UNITED KINGDOM, SE1 9GL
Item 2.
(a)
Name of person filing:
BlackRock Portfolio Management LLC
In accordance with SEC Release No. 34-39538 (January 12, 1998), this Schedule 13G reflects the securities beneficially owned, or deemed to be beneficially owned, by certain business units (collectively, the "Reporting Business Units") of BlackRock, Inc. and its subsidiaries and affiliates. It does not include securities, if any, beneficially owned by other business units whose beneficial ownership of securities are disaggregated from that of the Reporting Business Units in accordance with such release.
(b)
Address or principal business office or, if none, residence:
BlackRock Portfolio Management LLC, 50 Hudson Yards New York, NY 10001
(c)
Citizenship:
See Item 4 of Cover Page
(d)
Title of class of securities:
Common Stock
(e)
CUSIP No.:
SB8KF9B49
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:
34,674,236
(b)
Percent of class:
3.2%
(c)
Number of shares as to which the person has:
(i) Sole power to vote or to direct the vote:
29,274,062
(ii) Shared power to vote or to direct the vote:
0
(iii) Sole power to dispose or to direct the disposition of:
34,674,236
(iv) Shared power to dispose or to direct the disposition of:
0
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.
Various persons 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 WPP PLC. No one person's interest in the common stock of WPP PLC is more than five percent of the total outstanding common shares.
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 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.
What stake does BlackRock (WPP) report in this 13G/A?
BlackRock reports beneficial ownership of 34,674,236 shares, representing 3.2% of WPP plc common stock. The filing lists both voting and dispositive power figures for those shares.
How much voting power does BlackRock report for WPP shares?
BlackRock reports sole voting power of 29,274,062 shares and no shared voting power in the filing. The dispositive power numbers are reported separately in the same schedule.
Does the filing state who controls the reported WPP shares within BlackRock?
The filing attributes the shares to certain aggregated "Reporting Business Units" of BlackRock, Inc., per SEC Release No. 34-39538. It does not name individual funds or clients in the excerpt.
When was the Schedule 13G/A signed for BlackRock's WPP holdings?
The Schedule 13G/A excerpt shows the filing was signed by a Managing Director, Spencer Fleming, on 04/30/2026. The cover page date listed is 03/31/2026.
Does this filing indicate BlackRock will sell or buy more WPP shares?
The excerpt lists current beneficial ownership and voting/dispositive powers only. It does not state any planned purchases or sales; trading intentions are not disclosed in this amendment.
