Companies / ADTRAN Holdings, Inc.

ADTRAN Holdings, Inc.

Nasdaq: ADTNCIK 926282HUNTSVILLE, ALadtran.com ↗

Financials · FY2025

Revenue$1.08B
Net income$-45.66M
Total debt$25.60M
Cash$79.24M
Diluted EPS$-0.52
Shares outstanding81.5M

Ownership

81.5M shares outstanding · as of Aug 3, 2026
2.2%Insiders
Ownership
Insiders2.17%1,768,756
10%+ / strategic4.92%4,005,806
Institutions90.22%73,514,328
Public float2.69%2,192,517

% of common shares outstanding (exact, from the latest cover-page filing). Institutions are quarterly 13F snapshots; insiders reflect current officers & directors.

Insiders 9

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Insider% of sharesShares
Stanton Thomas RCEOChairman & CEO · Director
1.38%1,126,554
Wilson James Denson JrChief Revenue Officer
0.16%132,808
Nair BalanDirector
0.15%125,373
Huss H FenwickDirector
0.13%107,600
Walker Kathryn ADirector
0.12%98,663
McCray Gregory JamesDirector
0.09%72,893
Theodosopoulos NikosDirector
0.08%65,963
Santo Timothy PSVP of Finance; CFO
0.03%25,093
Jacqueline Hourigan RiceDirector
0.02%13,809

Institutional holders 223

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HolderValue% of shares
BlackRock, Inc.$108.92M9.62%
Vanguard Group Inc$71.16M10.05%
State Street Corporation$42.85M3.78%
DNB Asset Management AS$27.14M3.83%
Divisar Capital Management LLC$25.95M3.67%
Millennium Management LLC$23.86M2.33%
Geode Capital Management, LLC$22.89M2.23%
ROYCE & ASSOCIATES LP$22.57M3.19%
William Blair Investment Management, LLC$21.54M3.04%
First Eagle Investment Management, LLC$17.22M1.68%

Activity

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InsidersInstitutions
What insiders are doing in this stock (Form 4).
DateActorActionSecurityValueShares ΔPosition afterImpact
Jan 24, 2026Stanton Thomas R
CEO
OtherCommon Stock$167.5K-18K
-1.80%
954,314
1.17% of shares
low
Mar 4, 2026Jacqueline Hourigan Rice
Director
SellCommon Stock$148.2K-14K
-51.06%
13,809
0.02% of shares
medium
Jan 26, 2026Stanton Thomas R
CEO
OtherCommon Stock$140.2K-14K
-1.51%
939,905
1.15% of shares
low
May 20, 2026Wilson James Denson Jr
Executive
SellCommon Stock$137.4K-9K
-6.12%
143,277
0.18% of shares
medium
Jan 26, 2026Stanton Thomas R
CEO
OtherCommon Stock$114.6K-12K
-1.28%
955,471
1.17% of shares
low
Jan 20, 2026Stanton Thomas R
CEO
OtherCommon Stock$94.7K-10K
-1.04%
971,849
1.19% of shares
low
Mar 19, 2026Santo Timothy P
Executive
OtherCommon Stock$17.9K-2K
-5.64%
25,093
0.03% of shares
low
Jan 26, 2026Wilson James Denson Jr
Executive
OtherCommon Stock$12.1K-1K
-1.01%
127,701
0.16% of shares
low

5%+ ownership events

Schedule 13D / 13G
FilerStance% of classSharesDate
Vanguard Group IncPassive13G/A—0—
EGORA Ventures AGPassive13G/A—4,005,806—

Securities

via CUSIP / OpenFIGI
SymbolTypeMarketCUSIPFIGI
ADTN——00486H105—