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Beneficial Ownership Report · SCHEDULE 13G

Hess Midstream LP

HESMNYSEEQUITYCurrent

Beneficial Ownership Report

Filed Oct 22, 2026Accepted Oct 22, 2026, 1:42 PM EDTFiling CIK 1789832Accession 0001390777-26-000112

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Structured filing — SCHEDULE 13G

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Subject company

Company: Hess Midstream LP
Company CIK: 0001789832
Street: 1400 SMITH STREET
City: HOUSTON
State / country code: TX
Postal code: 77002

Statement details

Security class: Common Stock
Event date: 09/30/2026
Rule designation: Rule 13d-1(b)

Reporting person 1

Name: Bank of New York Mellon Corp
Citizenship / organization: NY
Reporting person type: HC
Aggregate amount owned: 6,507,955.00
Percent of class: 5.1
Sole voting power: 6,507,955.00
Shared voting power: 0.00
Sole dispositive power: 2,598,657.00
Shared dispositive power: 3,909,298.00

Reporting person 2

Name: BNY Mellon IHC, LLC
Citizenship / organization: NY
Reporting person type: HC
Aggregate amount owned: 6,504,012.00
Percent of class: 5.1
Sole voting power: 6,478,095.00
Shared voting power: 0.00
Sole dispositive power: 2,594,714.00
Shared dispositive power: 3,909,298.00

Reporting person 3

Name: MBC Investments Corp
Citizenship / organization: DE
Reporting person type: HC
Aggregate amount owned: 6,504,012.00
Percent of class: 5.1
Sole voting power: 6,478,095.00
Shared voting power: 0.00
Sole dispositive power: 2,594,714.00
Shared dispositive power: 3,909,298.00

Reporting person 4

Name: Newton Investment Management North America, LLC
Citizenship / organization: DE
Reporting person type: IA
Aggregate amount owned: 6,439,463.00
Percent of class: 5.0
Sole voting power: 6,439,463.00
Shared voting power: 0.00
Sole dispositive power: 2,579,170.00
Shared dispositive power: 3,860,293.00

Item 1

Issuer

Hess Midstream LP

Principal executive office address

1400 SMITH STREET, HOUSTON, TEXAS, 77002.

Item 2

Citizenship

See cover page

Filing person

The Bank of New York Mellon Corporation

Principal business or residence address

240 Greenwich Street New York, New York 10286

Item 3

Not applicable indication

N

Type of filing person

HC

Item 4

Percent of class

See Item 5 through 9 and 11 of cover page(s) as to each reporting person.

Amount beneficially owned

See Item 5 through 9 and 11 of cover page(s) as to each reporting person. The filing of this Schedule 13G shall not be construed as an admission that The Bank of New York Mellon Corporation, or its direct or indirect subsidiaries, including The Bank of New York Mellon and BNY Mellon, National Association, are for the purposes of Section 13(d) or 13(g) of the Act, the beneficial owners of any securities covered by this Schedule 13G.

Sole voting power

See Item 5 through 9 and 11 of cover page(s) as to each reporting person.

Shared voting power

See Item 5 through 9 and 11 of cover page(s) as to each reporting person.

Sole dispositive power

See Item 5 through 9 and 11 of cover page(s) as to each reporting person.

Shared dispositive power

See Item 5 through 9 and 11 of cover page(s) as to each reporting person.

Item 5

Not applicable indication

Y

Ownership of 5% or less

N

Item 6

Not applicable indication

N

Ownership on behalf of another person

All of the securities are beneficially owned by The Bank of New York Mellon Corporation and its direct or indirect subsidiaries in their various fiduciary capacities. As a result, another entity in every instance is entitled to dividends or proceeds of sale. No one other person's interest in the securities reported herein is more than 5%.

Item 7

Not applicable indication

N

Subsidiaries

See Exhibit I.

Item 8

Not applicable indication

Y

Item 9

Not applicable indication

Y

Item 10

Not applicable indication

N

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 1

Reporting person: Bank of New York Mellon Corp
Signed: Andrew Weiser
Title: Attorney-In-Fact
Date: 10/22/2026

Signature 2

Reporting person: BNY Mellon IHC, LLC
Signed: Andrew Weiser
Title: Attorney-In-Fact
Date: 10/22/2026

Signature 3

Reporting person: MBC Investments Corp
Signed: Andrew Weiser
Title: Attorney-In-Fact
Date: 10/22/2026

Signature 4

Reporting person: Newton Investment Management North America, LLC
Signed: Andrew Weiser
Title: Attorney-In-Fact
Date: 10/22/2026

Filed exhibits

Company context

Hess Midstream LP is a fee‑based, growth-oriented midstream company that owns, operates, develops and acquires a diverse set of midstream assets to provide services to Chevron, its subsidiaries, and third‑party customers. Hess Midstream owns oil, gas and produced water handling assets that are primarily located in the Bakken and Three Forks Shale plays in the Williston Basin area of North Dakota. More information is available at www.hessmidstream.com .

Current securities

HESMNYSE · EQUITY · Current

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