Vanguard Portfolio Management (MTB) reports 7.51M-share, 5.04% stake

Rhea-AI Filing Summary

Vanguard Portfolio Management reports beneficial ownership of 7,512,503 shares of M&T Bank Corp common stock as of 03/31/2026, representing 5.04% of the class. The filing states Vanguard Portfolio Management LLC has sole dispositive power over the 7,512,503 shares and sole voting power for 23,966 shares. The filing is signed by Ashley Grim as Head of Global Fund Administration on 04/29/2026.

Insights

Institutional Ownership Analyst

Passive institutional stake disclosed: 7,512,503 shares (5.04%).

Vanguard Portfolio Management reports holding 7,512,503 shares with sole dispositive power and limited sole voting power (23,966). This is a standard Schedule 13G disclosure for a large passive investor and signals an institutional stake above the 5% reporting threshold.

Timing: ownership is reported as of 03/31/2026. Cash‑flow treatment and trading intent are not stated in the excerpt.

Key Figures

Shares beneficially owned: 7,512,503 shares Percent of class: 5.04% Sole voting power: 23,966 shares +1 more

4 metrics

Shares beneficially owned 7,512,503 shares Amount reported as beneficially owned (as of 03/31/2026)

Percent of class 5.04% Percent of common stock class (as of 03/31/2026)

Sole voting power 23,966 shares Shares for which Vanguard has sole power to vote

Sole dispositive power 7,512,503 shares Shares for which Vanguard has sole power to dispose

Key Terms

Schedule 13G, Beneficially owned, Sole dispositive power

3 terms

Schedule 13G regulatory

"Statement filed under Schedule 13G disclosing beneficial ownership"

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

"Amount beneficially owned: 7512503"

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 regulatory

"Sole power to dispose or to direct the disposition of: 7512503"

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.

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

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Accepted by SEC EDGAR 04/29/2026 - 02:10 PM Learn about SEC filing dates

FAQ

What stake does Vanguard Portfolio Management hold in M&T Bank (MTB)?

Vanguard Portfolio Management reports 7,512,503 shares, equal to 5.04% of M&T Bank Corp common stock as of 03/31/2026. The filing lists sole dispositive power over the shares and sole voting power for 23,966 shares.

What does "sole dispositive power" mean in this 13G filing for MTB?

"Sole dispositive power" means Vanguard Portfolio Management has the authority to decide on the sale or other disposition of the 7,512,503 shares reported. The filing states Vanguard exercises that dispositive authority over these shares.

Does the Schedule 13G indicate Vanguard will sell its MTB shares?

No sale intent is stated. The Schedule 13G discloses beneficial ownership—7,512,503 shares (5.04%)—but does not describe planned transactions or trading intent in the provided excerpt.

Who signed the MTB ownership filing for Vanguard and when?

The filing is signed by Ashley Grim, Head of Global Fund Administration, with the signature date shown as 04/29/2026. The ownership amount is reported as of 03/31/2026.

How much voting power does Vanguard have for M&T Bank shares?

The filing reports sole voting power of 23,966 shares and shared voting power of 0. Dispositive power is reported as 7,512,503 shares, indicating voting and dispositive counts differ in this disclosure.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

M&T Bank Corp

(Name of Issuer)

Common Stock

(Title of Class of Securities)

55261F104

(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): 55261F104

1

Names of Reporting Persons

Vanguard Portfolio Management

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

PENNSYLVANIA

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 23,966.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 7,512,503.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

7,512,503.00

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)

5.04 %

12

Type of Reporting Person (See Instructions)

IA

Comment for Type of Reporting Person: 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 Vanguard Portfolio Management LLC and the following affiliates of Vanguard Portfolio Management LLC or business divisions of such affiliates: Vanguard Fiduciary Trust Company and Vanguard Global Advisers, LLC. This Schedule 13G includes securities held by Vanguard funds, or sleeves thereof, over which Vanguard Portfolio Management LLC exercises dispositive power, in addition to securities held by clients over which the affiliates or business divisions of such affiliates indicated above exercise dispositive and/or voting power. This Schedule 13G does not include securities, if any, beneficially owned by other subsidiaries or affiliates of Vanguard Portfolio Management LLC, or business divisions of such subsidiaries whose ownership of securities is disaggregated from that of the reporting business unit in accordance with such release.

SCHEDULE 13G

Item 1.
(a)	Name of issuer: M&T Bank Corp
(b)	Address of issuer's principal executive offices: 1 M And T Plz, Buffalo, NY, 14203
Item 2.
(a)	Name of person filing: Vanguard Portfolio Management
(b)	Address or principal business office or, if none, residence: 100 Vanguard Blvd,, Malvern, PA, 19355
(c)	Citizenship: PA
(d)	Title of class of securities: Common Stock
(e)	CUSIP Number(s): 55261F104
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: 7512503
(b)	Percent of class: 5.04 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 23966
	(ii) Shared power to vote or to direct the vote: 0
	(iii) Sole power to dispose or to direct the disposition of: 7512503
	(iv) Shared power to dispose or to direct the disposition of: 0
Item 5.	Ownership of 5 Percent or Less of a Class.
	Not Applicable
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. Vanguard Portfolio Management, including investment companies registered under the Investment Company Act of 1940 and other managed accounts, have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, the securities reported herein.No one other person's interest in the securities reported herein is more than 5%.
Item 7.	Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
	Not Applicable
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.

Vanguard Portfolio Management

Signature:	Ashley Grim
Name/Title:	Head of Global Fund Administration
Date:	04/29/2026