Capital Intl Investors reports 9.9% stake in TransDigm

TransDigm Group Inc. ownership update: Capital International Investors reports beneficial ownership of 5,578,637 shares, representing 9.9% of the 56,473,563 shares believed outstanding.

Rhea-AI Filing Summary

TransDigm Group Inc. ownership update: Capital International Investors reports beneficial ownership of 5,578,637 shares, representing 9.9% of the 56,473,563 shares believed outstanding. The filing shows sole voting power for 5,564,548 shares and sole dispositive power for 5,578,637 shares. The amendment is signed on 05/13/2026.

Insights

Institutional Ownership Specialist

Large passive stake disclosure clarifies holder size and voting/control metrics.

Capital International Investors files an amendment identifying 5,578,637 shares beneficially owned, equal to 9.9% of the cited outstanding share count. The filing lists voting and dispositive powers that quantify the firm's control metrics.

Such Schedule 13G/A filings typically document passive or investment-management holdings; subsequent filings could update percent ownership if outstanding shares change or additional transactions occur.

Corporate Governance Analyst

Disclosure gives a clear near‑term picture of ownership and voting alignment.

The filing states sole voting power of 5,564,548 and sole dispositive power of 5,578,637, indicating centralized voting authority within the reporting entities. The statement names affiliated investment management entities that comprise the reporting group.

Ownership thresholds in the filing are relevant for governance rule triggers and proxy communications; any future change above statutory thresholds would require updated disclosure.

Key Figures

Beneficial ownership: 5,578,637 shares Percent of class: 9.9% Shares outstanding (belief): 56,473,563 shares +3 more

6 metrics

Beneficial ownership 5,578,637 shares Amount beneficially owned reported in Schedule 13G/A

Percent of class 9.9% Percent of 56,473,563 shares believed outstanding

Shares outstanding (belief) 56,473,563 shares Shares believed to be outstanding per the filing

Sole voting power 5,564,548 shares Sole power to vote or direct the vote

Sole dispositive power 5,578,637 shares Sole power to dispose or direct disposition

Filing signature date 05/13/2026 Signature date on the amendment

Key Terms

Schedule 13G/A, Beneficially owned, Sole dispositive power, Investment management entities

4 terms

Schedule 13G/A regulatory

"Amendment No. 7 ) TransDigm Group Inc."

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.

Beneficially owned financial

"Amount beneficially owned: 5,578,637"

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 financial

"Sole power to dispose or to direct the disposition of: 5,578,637"

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.

Investment management entities other

"Capital International Investors ("CII") is a division of Capital Research and Management Company"

FAQ

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

What stake does Capital International Investors hold in TransDigm (TDG)?

Capital International Investors reports owning 5,578,637 shares, or 9.9%. The Schedule 13G/A amendment states this equals 9.9% of the 56,473,563 shares the filer believes are outstanding as of the amendment.

How much voting power does Capital International Investors have in TDG?

They report sole voting power for 5,564,548 shares. The filing breaks out voting metrics showing 5,564,548 shares with sole voting power and 0 shares with shared voting power.

When was the ownership amendment for TDG signed?

The amendment is signed on 05/13/2026. The signature block identifies Aaron Espin as Senior Vice President and records the signature date as 05/13/2026.

Does the filing list affiliated entities for the reporting group?

Yes; it names the investment management entities comprising Capital International Investors. The amendment lists CRMC and several affiliates that collectively provide services under the name "Capital International Investors."

What is the difference between voting power and dispositive power reported?

Voting power is the ability to direct votes; dispositive power is control over sale or transfer. The filing shows 5,564,548 shares with sole voting power and 5,578,637 shares with sole dispositive power for the reporting group.

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

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Accepted by SEC EDGAR 05/14/2026 - 12:52 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. 7)

TransDigm Group Inc.

(Name of Issuer)

Common Stock

(Title of Class of Securities)

893641100

(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): 893641100

1

Names of Reporting Persons

Capital International Investors

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 5,564,548.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 5,578,637.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

5,578,637.00

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)

9.9 %

12

Type of Reporting Person (See Instructions)

IA

SCHEDULE 13G

Item 1.
(a)	Name of issuer: TransDigm Group Inc.
(b)	Address of issuer's principal executive offices: The Tower at Erieview, 1301 East 9th St, Suite 3000, Cleveland, OH 44114, United States of America
Item 2.
(a)	Name of person filing: Capital International Investors
(b)	Address or principal business office or, if none, residence: 333 South Hope Street, 55th Fl, Los Angeles, CA 90071
(c)	Citizenship: N/A
(d)	Title of class of securities: Common Stock
(e)	CUSIP No.: 893641100
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: 5,578,637 ** **Capital International Investors ("CII") is a division of Capital Research and Management Company ("CRMC"), as well as its investment management subsidiaries and affiliates Capital Bank and Trust Company, Capital International, Inc., Capital International Limited, Capital International Sarl, Capital International K.K., Capital Group Private Client Services, Inc., and Capital Group Investment Management Private Limited (together with CRMC, the "investment management entities"). CII's divisions of each of the investment management entities collectively provide investment management services under the name "Capital International Investors." CII is deemed to be the beneficial owner of 5,578,637 shares or 9.9% of the 56,473,563 shares believed to be outstanding.
(b)	Percent of class: 9.9 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 5,564,548
	(ii) Shared power to vote or to direct the vote: 0
	(iii) Sole power to dispose or to direct the disposition of: 5,578,637
	(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.
	Not Applicable
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.

Capital International Investors

Signature:	Aaron Espin
Name/Title:	Senior Vice President
Date:	05/13/2026