Align Technology (ALGN): Capital World Investors reports 5% beneficial stake

Rhea-AI Filing Summary

Capital World Investors, a division of Capital Research and Management Company and related investment management entities, reported beneficial ownership of 3,571,496 shares of Align Technology, Inc. common stock. This represents 5.0% of the 71,618,127 shares believed to be outstanding as of the reporting date.

Capital World Investors reported sole voting power over 3,550,442 shares and sole dispositive power over 3,571,496 shares, with no shared voting or dispositive power. The filing reflects the status of a significant institutional holder of Align Technology’s common stock.

Key Figures

Beneficially owned shares: 3,571,496 shares Percent of class: 5.0% Shares outstanding baseline: 71,618,127 shares +3 more

6 metrics

Beneficially owned shares 3,571,496 shares Capital World Investors’ reported beneficial ownership of Align Technology common stock

Percent of class 5.0% Portion of Align Technology common stock beneficially owned by Capital World Investors

Shares outstanding baseline 71,618,127 shares Align Technology shares believed to be outstanding for ownership calculation

Sole voting power 3,550,442 shares Shares over which Capital World Investors has sole power to vote or direct the vote

Sole dispositive power 3,571,496 shares Shares over which Capital World Investors has sole power to dispose or direct disposition

Shared voting power 0 shares Shares over which Capital World Investors has shared voting authority

Key Terms

beneficial owner, sole voting power, dispositive power, Schedule 13G/A

4 terms

beneficial owner financial

"CWI is deemed to be the beneficial owner of 3,571,496 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: 3,550,442"

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

"Sole power to dispose or to direct the disposition of: 3,571,496"

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.

Schedule 13G/A regulatory

"Form type: SCHEDULE 13G/A institutional ownership report"

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.

FAQ

What percentage of Align Technology (ALGN) does Capital World Investors own?

Capital World Investors reported beneficial ownership of 5.0% of Align Technology’s common stock, representing 3,571,496 shares out of 71,618,127 shares believed to be outstanding.

How many Align Technology (ALGN) shares does Capital World Investors control?

Capital World Investors is deemed the beneficial owner of 3,571,496 Align Technology shares, with 3,550,442 shares subject to sole voting power and the full 3,571,496 shares subject to sole dispositive power.

Does Capital World Investors share voting power over Align Technology (ALGN) stock?

No. Capital World Investors reported 0 shares with shared voting power and 0 shares with shared dispositive power, indicating all reported authority is sole, not shared.

What is the total Align Technology (ALGN) share count used in this Schedule 13G/A?

The beneficial ownership calculation is based on 71,618,127 shares of Align Technology common stock believed to be outstanding, with Capital World Investors holding 3,571,496 shares, or 5.0% of that total.

Who signed the Schedule 13G/A filing for Align Technology (ALGN)?

The filing was signed by Timothy J. Moon, Vice President and Senior Counsel of Capital Research and Management Company, on behalf of Capital World Investors as the reporting person.

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

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Available on EDGAR 08/12/2026 - 05:41 PM Accepted by SEC EDGAR 08/12/2026 - 05:40 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)

Align Technology, Inc.

(Name of Issuer)

Common Stock

(Title of Class of Securities)

016255101

(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): 016255101

1

Names of Reporting Persons

Capital World 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 3,550,442.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 3,571,496.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

3,571,496.00

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)

5.0 %

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 World Investors
(b)	Address or principal business office or, if none, residence: 333 SOUTH HOPE STREET, 55TH FLOOR, LOS ANGELES, CALIFORNIA 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: 3,571,496 ** **Capital World Investors ("CWI") 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"). CWI's divisions of each of the investment management entities collectively provide investment management services under the name "Capital World Investors." CWI is deemed to be the beneficial owner of 3,571,496 shares or 5.0% of the 71,618,127 shares believed to be outstanding.
(b)	Percent of class: 5.0 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 3,550,442
	(ii) Shared power to vote or to direct the vote: 0
	(iii) Sole power to dispose or to direct the disposition of: 3,571,496
	(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.
	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 World Investors

Signature:	Timothy J. Moon
Name/Title:	Vice President and Senior Counsel, Capital Research and Management Company
Date:	08/11/2026