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ADTN

ADTRAN Holdings, Inc.
Nasdaq· Telephone & Telegraph Apparatus· CIK 0000926282 Media & Telecom
$6.43 −0.02 (−0.31%)
Oct 23 4:00 PM ET · prev $6.45
Market cap
$525.6M
Small cap
Consensus
Buy
80% Buy or better · 15 analysts
Median target
🔒 Subscribers only
1 year
−36.1%
from $10.07 · Oct 24
30 days
−7.3%
from $6.94
52-week range
$6.31–19.40
−67% from high · low Oct 16
Avg volume 20D
1.57M
shares / day
Short interest
11.86M
≈14.6% of shares · −5.4%
Days to cover
7.2
at average volume
Insider net
-$2.5M
1 buyer · 3 sellers · 12 mo
New fund stakes
0
Q2 2026 13F · 0 exits
Filing reports
11
analyzed by SecBot
SecBot read BULLISH 4 reports · 90 days
Balance 0 bearish · 2 bullish · 1 mixed · 1 neutral oldest → newest, height = score
Avg score ·High conf. 3/4 ·Next Earnings date, Nov 2, 2026
Strongest BULLISH Nine institutional investors accumulated $31.2M in ADTN during Q2 2026, led by State Street (+$13.3M)…
All reports →

Price

Daily candles with volume. Pins mark insider trades, rating changes, 13F stakes, reports, catalysts and short-interest jumps.

Signal stack

Where each data set points today.

  • InsidersBEARISH

    1 insider bought $50.0K at an average $7.60. 3 insiders sold $2.5M. Price is 15% below their cost.

  • InstitutionsBULLISH

    Q2 2026: 29 added (0 new), 18 trimmed or exited.

  • AnalystsBULLISH

    12 of 15 rate it Buy or better.

  • Short sellersSTEADY

    Short interest −5.4% to 11.86M shares. 7.2 days to cover, ≈14.6% of shares.

  • TrendDOWNTREND

    12% below its 50-day average.

Who's buying

13F· Q2 2026
0
new positions
0
exits
FundMoveSharesValue
STATE STREET CORPADD3,082,794$42.9M
UBS Group AGDOUBLED2,940,724$40.9M
MILLENNIUM MANAGEMENT LLCADD2,722,820$37.8M
JPMORGAN CHASE & COADD2,623,057$36.1M
RENAISSANCE TECHNOLOGIES LLCDOUBLED1,773,740$24.7M
Boston PartnersADD1,651,038$22.7M
Qube Research & Technologies LtdDOUBLED1,398,913$19.4M
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLCTRIM1,099,019$15.3M

Quarterly 13F filings are due 45 days after each quarter ends.

The Street

15 analysts
Buy 80% rate it Buy or better
Strong Buy3Buy9Hold3Sell0Strong Sell0

Fresh Price Targets

Analyst price targets updated within the last 24 hours are for subscribers only.

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Recent actions
DateFirmActionRating
Aug 5, 2026Evercore ISI Group
MAINTAIN
MAINTAINOutperform
Aug 5, 2026Rosenblatt
MAINTAIN
MAINTAINBuy
Jul 23, 2026B. Riley Securities
REITERATE
REITERATEBuy
Jul 23, 2026Needham
MAINTAIN
MAINTAINBuy
Jul 23, 2026Rosenblatt
MAINTAIN
MAINTAINBuy
Jul 22, 2026Needham
MAINTAIN
MAINTAINBuy

Insider ledger

Form 4
$50.0K
bought · 1 insider
$2.5M
sold · 3 insiders
−15.4%
vs their $7.60 cost
DateInsiderTypeValue
Aug 10, 2026
Glingener Christoph
Chief Technology Officer
AWARD27,924 sh
Aug 6, 2026
Santo Timothy P
SVP of Finance; CFO
BUY$50.0K
Jul 24, 2026
Glingener Christoph
Chief Technology Officer
AWARD9,384 sh
Jul 1, 2026
DelSanto Anne
Director
AWARD4,399 sh
May 20, 2026
Wilson James Denson Jr
Chief Revenue Officer
SELL$137.4K
May 20, 2026
Wilson James Denson Jr
Chief Revenue Officer
GIFT10,469 sh
May 8, 2026
Glingener Christoph
Chief Technology Officer
EXERCISE$271.1K
May 8, 2026
Glingener Christoph
Chief Technology Officer
SELL$334.2K

Earnings setup

Estimates

Revision history: 🔒 Fresh data — subscribers only

PeriodEPS est.Range30D rev.Revenue
Current Q🔒 Fresh data — subscribers only
Next Q🔒 Fresh data — subscribers only
Current FY🔒 Fresh data — subscribers only
Next FY🔒 Fresh data — subscribers only

Short side

FINRA· Sep 30, 2026
11,862,717
shares short
-5.4%
vs prior settlement
7.2
days to cover
≈14.6%
of shares outstanding
Recent activity
The latest filings, insider trades, analyst actions, press and options flow — newest first.
Aug 11, 2026 SEC
ADTRAN Holdings filed an 8-K reporting an amendment to the employment agreement of its CTO, Dr. Christoph Glingener…
8-K — Impact 2/10
Aug 10, 2026 Insider
Glingener Christoph was granted 27,924 shares
Chief Technology Officer
Aug 8, 2026 SEC
Nine institutional investors accumulated $31.2M in ADTN during Q2 2026, led by State Street (+$13.3M), Boston Partners…
INST-CLUSTER — Impact 6/10
Aug 7, 2026 SEC
ADTN CFO Santo made a $50K open-market purchase on August 6, 2026, three days after the company reported in-line Q2…
INSIDER-BUY — Impact 5/10
Aug 6, 2026 Insider
Santo Timothy P bought 6,579 shares
SVP of Finance; CFO @ $7.60 ($50.0K)
Aug 3, 2026 Earnings calendar
ADTN Q2 2026 Earnings Scheduled — 2026-08-03
Jul 24, 2026 Insider
Glingener Christoph was granted 9,384 shares
Chief Technology Officer
Jun 30, 2026 Inst.
STATE STREET CORP — ADD
3,082,794 shares ($42.9M)
Catalysts
Scheduled dates and disclosed events: earnings, FDA and trial readouts, halts, press releases. Colored dot = impact.
Upcoming
Nov 2, 2026
Earnings date
🔒 Fresh data — subscribers only
Recent
Aug 3, 2026
Earnings date
ADTN Q2 2026 Earnings Scheduled — 2026-08-03
May 4, 2026
Earnings date
ADTN Q1 2026 Earnings Scheduled — 2026-05-04
Mar 30, 2026
Enforcement
1:25-cv-01377 AuthPoint LLC v. Adtran, Inc.
Court ruling from United States District Court for the District of Delaware. Docket: N/A
Feb 25, 2026
Earnings date
ADTN Q4 2025 Earnings After Market Close — 2026-02-25

SecBot reports

11 filings · 3 bullish · 1 bearish · 2 mixed · 5 neutral
All ADTN filing & press-release reports (11)