Align Technology: Capital International holds 5.5% stake

Align Technology, Inc. report: Capital International Investors filed Amendment No. 1 to a Schedule 13G/A stating it beneficially owns 3,906,972 shares of Align common stock, representing 5.5% of 71,617,275 shares believed outstanding as of the filing.

Rhea-AI Filing Summary

Align Technology, Inc. report: Capital International Investors filed Amendment No. 1 to a Schedule 13G/A stating it beneficially owns 3,906,972 shares of Align common stock, representing 5.5% of 71,617,275 shares believed outstanding as of the filing. The filing lists sole voting power for 3,885,958 shares and sole dispositive power for 3,906,972. The disclosure names the investment-management entities grouped under the Capital International Investors division and is signed by a Senior Vice President.

Insights

Institutional Ownership Analyst

Large passive holding disclosed: 3.9M shares (5.5%)

Capital International Investors reports beneficial ownership of 3,906,972 shares, equal to 5.5% of 71,617,275 shares outstanding. The filing groups multiple investment management entities under the CII umbrella as the beneficial owner.

This is a routine ownership disclosure under a Schedule 13G/A amendment. Timing and intent qualifiers typical of 13G filings are shown by the amendment format; subsequent filings would state any change in intent or voting strategy.

Key Figures

Beneficial ownership: 3,906,972 shares Percent of class: 5.5% Shares outstanding: 71,617,275 shares +2 more

5 metrics

Beneficial ownership 3,906,972 shares Amount beneficially owned reported in the amendment

Percent of class 5.5% Percent of class based on 71,617,275 shares believed outstanding

Shares outstanding 71,617,275 shares Shares believed to be outstanding as cited in the filing

Sole voting power 3,885,958 shares Shares for which sole power to vote is reported

Sole dispositive power 3,906,972 shares Shares for which sole power to dispose is reported

Key Terms

Schedule 13G/A, Beneficially owned, Sole dispositive power

3 terms

Schedule 13G/A regulatory

"Amendment No. 1 to a Schedule 13G/A stating beneficial ownership"

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

"CII is deemed to be the beneficial owner of 3,906,972 shares"

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: 3,906,972"

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.

FAQ

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

What stake did Capital International Investors report in ALGN?

Capital International Investors reported beneficial ownership of 3,906,972 shares, representing 5.5% of the 71,617,275 shares believed outstanding. The filing lists sole voting power for 3,885,958 shares and sole dispositive power for 3,906,972.

What filing did Capital International Investors submit for ALGN?

They submitted Amendment No. 1 to a Schedule 13G/A for Align Technology common stock. The amendment updates beneficial ownership disclosures and identifies the investment management entities collectively operating as Capital International Investors.

Does the Schedule 13G/A indicate active control of ALGN shares?

The filing shows sole voting power of 3,885,958 shares and sole dispositive power of 3,906,972. It discloses voting and dispositive authorities but does not, by itself, state any change in voting policy or plans.

How many shares of ALGN were considered outstanding in the filing?

The Schedule 13G/A states there were 71,617,275 shares believed to be outstanding. The beneficial ownership percentage, 5.5%, is calculated using that outstanding share figure as disclosed in the filing.

Who signed the Schedule 13G/A amendment for ALGN?

The amendment is signed by Aaron Espin, identified as Senior Vice President, with a signature date of 05/13/2026, certifying the disclosure on behalf of Capital International Investors and its grouped entities.

Does the filing state Capital International will sell or buy ALGN shares?

The Schedule 13G/A amendment discloses beneficial ownership and voting/dispositive powers. It does not state any planned purchases or sales, nor specify intentions regarding future transactions or voting changes.

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

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Accepted by SEC EDGAR 05/14/2026 - 12:52 PM EDT 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)

Align Technology, Inc.

(Name of Issuer)

Common Stock

(Title of Class of Securities)

016255101

(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): 016255101

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 3,885,958.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 3,906,972.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

3,906,972.00

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)

5.5 %

12

Type of Reporting Person (See Instructions)

IA

SCHEDULE 13G

Item 1.
(a)	Name of issuer: Align Technology, Inc.
(b)	Address of issuer's principal executive offices: 410 North Scottsdale Road, Suite 1300, Tempe, AZ 85288
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.: 016255101
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: 3,906,972 ** **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 3,906,972 shares or 5.5% of the 71,617,275 shares believed to be outstanding.
(b)	Percent of class: 5.5 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 3,885,958
	(ii) Shared power to vote or to direct the vote: 0
	(iii) Sole power to dispose or to direct the disposition of: 3,906,972
	(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