Dimensional Fund holds 21 Thermon Group shares

Dimensional Fund Advisors reports beneficial ownership of 21 shares of Thermon Group Holdings Inc. common stock, representing 0.0% of the class.

Rhea-AI Filing Summary

Dimensional Fund Advisors reports beneficial ownership of 21 shares of Thermon Group Holdings Inc. common stock, representing 0.0% of the class. Dimensional has sole voting and dispositive power over 21 shares and no shared power. The shares are owned by various investment funds and accounts advised by Dimensional or its subsidiaries, and Dimensional disclaims beneficial ownership of all such securities. The filing indicates ownership of 5 percent or less of the class, and to Dimensional’s knowledge no single underlying fund holds 5% or more.

Key Figures

Beneficial ownership: 21 shares Percent of class: 0.0 % Sole voting power: 21 +3 more

6 metrics

Beneficial ownership 21 shares Amount of Thermon Group common stock beneficially owned by Dimensional

Percent of class 0.0 % Reported percentage of Thermon Group common stock class held

Sole voting power 21 Shares over which Dimensional has sole power to vote or direct the vote

Shared voting power 0 Shares over which Dimensional has shared power to vote or direct the vote

Sole dispositive power 21 Shares over which Dimensional has sole power to dispose or direct disposition

Shared dispositive power 0 Shares over which Dimensional has shared power to dispose or direct disposition

Key Terms

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

5 terms

beneficial owner financial

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

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 voting power financial

"Sole power to vote or to direct the vote"

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.

dispositive power financial

"power to dispose or to direct the disposition of"

Dispositive power is the authority to decide the final outcome of an asset, legal claim, contract, or corporate action — in effect the power to dispose of or resolve something. For investors it matters because whoever holds that authority can determine who gets paid, who controls an asset or vote, and how risks and returns are allocated; think of it like holding the key that lets you lock in the winner or loser in a deal.

Investment Company Act of 1940 regulatory

"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"

A Section 13(d) filing is a public disclosure required under U.S. securities law when a person or group acquires more than 5% of a company’s registered equity and may influence control. The filer must report who owns the shares, how they were acquired, and any plans or intentions for the company, so the market and other shareholders can see if a large buyer is attempting a takeover or other strategic move. Think of it like a formal announcement that someone has crossed a threshold and is showing their hand.

FAQ

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

What stake does Dimensional Fund Advisors report in Thermon Group Holdings (THR)?

Dimensional Fund Advisors reports beneficial ownership of 21 shares of Thermon Group Holdings common stock, equal to 0.0% of the class. The shares are held in underlying funds and accounts for which Dimensional or its subsidiaries act as adviser or manager.

Does Dimensional Fund Advisors have voting power over Thermon Group Holdings (THR) shares?

Dimensional Fund Advisors has sole power to vote 21 shares of Thermon Group Holdings common stock and no shared voting power. This authority arises from its role as investment adviser to the underlying funds that legally own the securities.

Is Dimensional Fund Advisors a beneficial owner of more than 5% of Thermon Group Holdings (THR)?

No. Dimensional Fund Advisors reports 0.0% of the class and indicates ownership of 5 percent or less of Thermon Group Holdings common stock. It also notes that, to its knowledge, no single underlying fund’s interest exceeds 5% of the class.

Who actually owns the Thermon Group Holdings (THR) shares associated with Dimensional Fund Advisors?

All reported Thermon Group shares are owned by investment companies, commingled funds, group trusts and separate accounts (the “Funds”) advised or managed by Dimensional or its subsidiaries. Dimensional disclaims beneficial ownership of these securities beyond Section 13(d) reporting purposes.

What type of entity is Dimensional Fund Advisors in relation to Thermon Group Holdings (THR)?

Dimensional Fund Advisors LP is a Delaware limited partnership and a registered investment adviser. It provides investment advice and management to multiple funds and accounts that hold Thermon Group shares, giving it voting and investment power but not direct ownership of the securities.

What dispositive power does Dimensional Fund Advisors report over Thermon Group Holdings (THR) shares?

Dimensional Fund Advisors reports sole dispositive power over 21 shares of Thermon Group Holdings common stock and no shared dispositive power. This means it can direct how those shares are disposed of on behalf of the client funds that own them.

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

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Available on EDGAR 07/14/2026 - 01:29 PM Accepted by SEC EDGAR 07/14/2026 - 01:27 PM Learn about SEC filing dates

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 1)

Thermon Group Holdings Inc

(Name of Issuer)

Common Stock

(Title of Class of Securities)

88362T103

(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): 88362T103

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 21.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 21.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

21.00

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)

0.0 %

12

Type of Reporting Person (See Instructions)

IA

SCHEDULE 13G

Item 1.
(a)	Name of issuer: Thermon Group Holdings Inc
(b)	Address of issuer's principal executive offices: 100 Thermon Drive, San Marcos, TX 78666
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.: 88362T103
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: 21 ** 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: 0.0 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 21** 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: 21** 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.
	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. 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