Dimensional holds 6.4% of Phinia (PHIN) common stock

Rhea-AI Filing Summary

Dimensional Fund Advisors LP has disclosed a sizable institutional position in Phinia Inc. common stock. Dimensional is deemed to beneficially own 2,361,225 shares, representing 6.4% of the outstanding class as of June 30, 2026.

The firm has sole voting power over 2,322,203 shares and sole dispositive power over 2,361,225 shares, with no shared voting or dispositive authority. All securities are held by underlying funds and accounts it advises, and Dimensional disclaims beneficial ownership except for Section 13(d) reporting purposes.

Key Figures

Beneficial ownership: 2,361,225 shares Percent of class: 6.4% Sole voting power: 2,322,203 shares +3 more

6 metrics

Beneficial ownership 2,361,225 shares Common stock of Phinia Inc. beneficially owned by Dimensional Fund Advisors LP

Percent of class 6.4% Portion of Phinia Inc. common stock outstanding held by Dimensional

Sole voting power 2,322,203 shares Shares of Phinia over which Dimensional has sole power to vote

Shared voting power 0 shares Shares of Phinia over which Dimensional has shared voting authority

Sole dispositive power 2,361,225 shares Shares of Phinia over which Dimensional can solely direct disposition

Shared dispositive power 0 shares Shares of Phinia over which Dimensional has shared dispositive authority

Key Terms

beneficial owner, sole dispositive power, sole voting power, Investment Company Act of 1940, +1 more

5 terms

beneficial owner financial

"may be deemed to be the beneficial owner of the shares of the Issuer"

A beneficial owner is the person who ultimately owns or controls a financial asset or property, even if their name isn't directly on official documents. Think of it like someone who secretly holds the keys to a safe deposit box—others may appear to have access, but the true owner is the one who benefits from what's inside. Identifying beneficial owners helps ensure transparency and prevent illegal activities like money laundering or fraud.

sole dispositive power financial

"Sole Dispositive Power 2,361,225.00 8 | Shared Dispositive Power 0.00"

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 2,322,203.00 6 | Shared Voting Power 0.00"

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.

Investment Company Act of 1940 regulatory

"furnishes investment advice to four investment companies registered under the Investment Company Act of 1940"

A U.S. federal law that sets the rulebook for pooled investment vehicles such as mutual funds, exchange-traded funds and similar money managers, requiring them to register with regulators, disclose holdings and fees, limit conflicts of interest, and follow governance standards. It matters to investors because these protections and transparency rules act like a referee and scoreboard, helping people compare funds, trust that managers follow fair practices, and spot hidden costs or risks.

Section 13(d) regulatory

"for any other purposes than Section 13(d) of the Securities Exchange Act of 1934"

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Available on EDGAR 07/14/2026 - 01:28 PM Accepted by SEC EDGAR 07/14/2026 - 01:27 PM Learn about SEC filing dates

FAQ

Who is the institutional holder disclosed for Phinia (PHIN)?

The disclosed institutional holder is Dimensional Fund Advisors LP, a Delaware limited partnership and registered investment adviser. It reports a position in Phinia Inc. common stock on behalf of various investment funds and separate accounts it advises.

How many Phinia (PHIN) shares does Dimensional Fund Advisors report owning?

Dimensional is deemed to beneficially own 2,361,225 shares of Phinia common stock. This stake is reported under Section 13(d) rules and reflects shares held across multiple underlying funds and accounts managed by Dimensional and its subsidiaries.

What percentage of Phinia (PHIN) does Dimensional Fund Advisors hold?

Dimensional reports holding 6.4% of the outstanding class of Phinia Inc. common stock. This percentage is based on the issuer’s total shares and triggers Schedule 13G reporting as a holder of more than five percent of the class.

What voting and dispositive powers does Dimensional have over Phinia (PHIN) shares?

Dimensional has sole voting power over 2,322,203 shares and sole dispositive power over 2,361,225 shares, with no shared voting or dispositive power. These authorities arise from its role as investment adviser to the underlying funds and accounts.

Who ultimately benefits from the Phinia (PHIN) shares held by Dimensional?

All reported securities are owned by underlying funds and accounts advised by Dimensional. Those funds have the right to receive dividends and sale proceeds. Dimensional disclaims beneficial ownership of the shares beyond what is required for Section 13(d) reporting.

Does any single Dimensional-advised fund own over 5% of Phinia (PHIN)?

According to Dimensional, the interest of any one fund in Phinia Inc. does not exceed 5% of the class. The disclosed 6.4% position reflects the aggregate holdings across multiple funds and accounts rather than a single large holder.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 1)

Phinia Inc

(Name of Issuer)

Common Stock

(Title of Class of Securities)

71880K101

(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): 71880K101

1

Names of Reporting Persons

Dimensional Fund Advisors LP

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 2,322,203.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 2,361,225.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

2,361,225.00

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)

6.4 %

12

Type of Reporting Person (See Instructions)

IA

SCHEDULE 13G

Item 1.
(a)	Name of issuer: Phinia Inc
(b)	Address of issuer's principal executive offices: 3000 University Drive, Auburn Hills, MI 48326
Item 2.
(a)	Name of person filing: Dimensional Fund Advisors LP
(b)	Address or principal business office or, if none, residence: 6300 Bee Cave Road, Building One, Austin, TX 78746
(c)	Citizenship: Delaware Limited Partnership
(d)	Title of class of securities: Common Stock
(e)	CUSIP No.: 71880K101
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: 2,361,225 ** see Note 1 ** ** Note 1 ** Dimensional Fund Advisors LP, an investment adviser registered under Section 203 of the Investment Advisors Act of 1940, furnishes investment advice to four investment companies registered under the Investment Company Act of 1940, and serves as investment manager or sub-adviser to certain other commingled funds, group trusts and separate accounts (such investment companies, trusts and accounts, collectively referred to as the "Funds"). In certain cases, subsidiaries of Dimensional Fund Advisors LP may act as an adviser or sub-adviser to certain Funds. In its role as investment advisor, sub-adviser and/or manager, Dimensional Fund Advisors LP or its subsidiaries (collectively, "Dimensional") may possess voting and/or investment power over the securities of the Issuer that are owned by the Funds, and may be deemed to be the beneficial owner of the shares of the Issuer held by the Funds. However, all securities reported in this schedule are owned by the Funds. Dimensional disclaims beneficial ownership of such securities. In addition, the filing of this Schedule 13G shall not be construed as an admission that the reporting person or any of its affiliates is the beneficial owner of any securities covered by this Schedule 13G for any other purposes than Section 13(d) of the Securities Exchange Act of 1934.
(b)	Percent of class: 6.4 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 2,322,203** see Note 1 **
	(ii) Shared power to vote or to direct the vote: 0
	(iii) Sole power to dispose or to direct the disposition of: 2,361,225** see Note 1 **
	(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. The Funds described in Note 1 above have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of the securities held in their respective accounts. To the knowledge of Dimensional, the interest of any one such Fund does not exceed 5% of the class of securities. Dimensional Fund Advisors LP disclaims beneficial ownership of all such securities.
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.

Dimensional Fund Advisors LP

Signature:	Selwyn Notelovitz
Name/Title:	Global Chief Compliance Officer
Date:	07/14/2026