NASDAQ: ADTN
Adtran Holdings Inc Stock Ownership - Who owns Adtran Holdings?

Insider buying vs selling

Have Adtran Holdings Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Hourigan Rice JacquelineDirector2026-03-0414,406$10.29
$148.24kSell
James Denson Wilson Jr.Chief Revenue Officer2026-01-261,309$9.24
$12.10kSell
Thomas R. StantonChairman CEO2026-01-2614,409$9.73
$140.20kSell
Thomas R. StantonChairman CEO2026-01-2612,407$9.24
$114.64kSell
James Denson Wilson Jr.Chief Revenue Officer2026-01-261,087$9.24
$10.04kSell
James Denson Wilson Jr.Chief Revenue Officer2026-01-26998$9.73
$9.71kSell
James Denson Wilson Jr.Chief Revenue Officer2026-01-261,087$9.24
$10.04kSell
Thomas R. StantonChairman CEO2026-01-2417,535$9.55
$167.46kSell
James Denson Wilson Jr.Chief Revenue Officer2026-01-241,227$9.55
$11.72kSell
Thomas R. StantonChairman CEO2026-01-2010,247$9.24
$94.68kSell

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Net Insider Buy/Sell (L12M) Ownership

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ADTN Shareholders

What type of owners hold Adtran Holdings Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Vanguard Group Inc10.15%8,188,496$83.11MInstitution
Blackrock Inc10.07%8,125,259$82.47MInstitution
Mark C. Smith9.92%7,997,600$81.18MInsider
Linda Jones Smith7.53%6,075,082$61.66MInsider
Mark Clay Smith5.88%4,744,091$48.15MInsider
Dnb Asset Management As3.87%3,123,679$31.71MInstitution
Divisar Capital Management LLC3.70%2,986,302$30.31MInstitution
Millennium Management LLC3.34%2,694,800$27.35MInstitution
Royce Associates LP3.22%2,597,013$26.36MInstitution
William Blair Investment Management LLC3.07%2,478,621$25.16MInstitution

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ADTN vs Communication Equipment Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
ADTN76.50%23.50%Net SellingNet Selling
ITRN62.25%0.00%
HLIT89.77%5.60%Net SellingNet Selling
NTGR87.98%12.02%Net SellingNet Selling
GILT47.75%0.00%

Adtran Holdings Stock Ownership FAQ

Who owns Adtran Holdings?

Adtran Holdings (NASDAQ: ADTN) is owned by 87.22% institutional shareholders, 26.79% Adtran Holdings insiders, and 0.00% retail investors. Mark C. Smith is the largest individual Adtran Holdings shareholder, owning 8.00M shares representing 9.92% of the company. Mark C. Smith's Adtran Holdings shares are currently valued at $81.90M.

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