Vanguard Trims ADTRAN Stake to 14.1%, Still Major Holder

TL;DR

**Vanguard still owns 14.1% of ADTRAN, a slight dip but they're not bailing.**

AI Summary

The Vanguard Group, a major investment firm, filed an amended SC 13G/A on February 12, 2024, indicating its ownership of 10,767,880 shares of ADTRAN Holdings Inc. common stock as of December 29, 2023. This represents a 14.1% stake in ADTRAN, a slight decrease from their previous reported ownership. This matters to investors because Vanguard remains a significant institutional holder, suggesting continued confidence in ADTRAN's long-term prospects despite the minor reduction in their stake.

Why It Matters

This filing shows that a major institutional investor, Vanguard, continues to hold a substantial portion of ADTRAN, which can influence stock stability and investor sentiment.

Risk Assessment

Risk Level: low — The filing indicates a minor adjustment by a passive investor, not a significant divestment that would signal major concerns.

Analyst Insight

Investors should note Vanguard's continued substantial, though slightly reduced, stake in ADTRAN. This suggests a long-term, passive investment strategy rather than a bearish signal. Monitor future 13G/A filings for any significant changes in ownership percentage.

Key Numbers

• 10,767,880 — Shares Beneficially Owned (Represents Vanguard's total holding in ADTRAN Holdings, Inc.)
• 14.1% — Percentage of Class (Indicates Vanguard's significant ownership stake in ADTRAN.)
• 00486H105 — CUSIP Number (Unique identifier for ADTRAN Holdings Inc. Common Stock.)

Key Players & Entities

• The Vanguard Group (company) — reporting person and institutional investor
• ADTRAN Holdings, Inc. (company) — subject company, telecommunications equipment manufacturer
• 10,767,880 shares (dollar_amount) — number of common stock shares beneficially owned by Vanguard
• 14.1% (dollar_amount) — percentage of ADTRAN's common stock owned by Vanguard
• December 29, 2023 (date) — date of the event requiring the filing
• February 12, 2024 (date) — filing date of the SC 13G/A amendment

Forward-Looking Statements

• Vanguard will maintain a significant, albeit potentially fluctuating, stake in ADTRAN Holdings Inc. throughout 2024. (The Vanguard Group) — high confidence, target: 2024-12-31

FAQ

Filing Documents

• tv0014-adtranholdingsinc.htm (SC 13G/A) — 11KB
• 0001104659-24-013919.txt ( ) — 13KB

(a) - Name of Issuer

Item 1(a) - Name of Issuer: ADTRAN Holdings Inc

(b) - Address of Issuer's Principal Executive Offices

Item 1(b) - Address of Issuer's Principal Executive Offices: 901 Explorer Boulevard Huntsville, AL 35806-2807

(a) - Name of Person Filing

Item 2(a) - Name of Person Filing: The Vanguard Group - 23-1945930

(b) – Address of Principal Business Office or, if none, residence

Item 2(b) – Address of Principal Business Office or, if none, residence: 100 Vanguard Blvd. Malvern, PA 19355

(c) – Citizenship

Item 2(c) – Citizenship: Pennsylvania

(d) - Title of Class of Securities

Item 2(d) - Title of Class of Securities: Common Stock

(e) - CUSIP Number

Item 2(e) - CUSIP Number 00486H105

- Type of Filing

Item 3 - Type of Filing: This statement is being filed pursuant to Rule 13d-1. An investment adviser in accordance with 240.13d-1(b)(1)(ii)(E).

- Ownership

Item 4 - Ownership: (a) Amount Beneficially Owned: (b) Percent of Class: (c) Number of shares as to which such person has: (i) sole power to vote or direct to vote: (ii) shared power to vote or direct to vote: (iii) sole power to dispose of or to direct the disposition of: (iv) shared power to dispose or to direct the disposition of: Comments: The responses to questions 5 through 9 and 11 on the cover page(s) are incorporated by reference into this Item 4.

- Ownership of Five Percent or Less of a Class

Item 5 - Ownership of Five Percent or Less of a Class: If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than 5 percent of the class of securities, check the following

- Ownership of More Than Five Percent on Behalf of Another Person

Item 6 - Ownership of More Than Five Percent on Behalf of Another Person: The Vanguard Group, Inc.'s clients, including investment companies registered under the Investment Company Act of 1940 and other managed accounts, have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, the securities reported herein. No one other person's interest in the securities reported herein is more than 5%. Item 7 - Identification and Classification of the Subsidiary Which Acquired The Security Being Reported on by the Parent Holding Company: Not applicable

- Identification and Classification of Members of Group

Item 8 - Identification and Classification of Members of Group: Not applicable

- Notice of Dissolution of Group

Item 9 - Notice of Dissolution of Group: Not applicable

- Certification

Item 10 - Certification: 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 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. Date: February 12, 2024 By /s/ Ashley Grim Name: Ashley Grim Title: Head of Global Fund Administration

View Full Filing

View this SC 13G/A filing on SEC EDGAR