13FPulse
AD

ADTN ADTRAN HOLDINGS INC

2026Q2 · CUSIP 00486H105 · Networking · Sector: Technology

Piling in

Net holder growth ranks near the top of the market

Funds that own it
245
Institutions that reported holding it to the SEC
Net increase in holders
+20
Last quarter 225 → now 245
How unusual is that
Top 20%
Stronger buying than 83% of US stocks
What the filings say, in one paragraph

245 funds held ADTN at the end of 2026Q2, up 20 from the quarter before. That is stronger buying than 83.1% of US stocks — among the most piled-into names this quarter. On the business itself, revenue over the last 12 months was $1.1B(YoY +15.8%), return on equity is -20.1%. ADTN has had 4 buying rushes in its history, and the price moved +10.4% on average over the six months after (that is the raw price move, not how much it beat the market by). It sits in the Technology sector, tagged Networking.

How many funds owned it, quarter by quarter

Bars = net change in institutional holders, positive (green) or negative (red). Line = total institutional holders.

2015Q2: holders=1 2015Q3: holders=1 2015Q4: holders=1 2016Q1: holders=2 2016Q2: holders=2 2016Q3: holders=2 2016Q4: holders=2 2017Q1: holders=1 2017Q2: holders=1 2017Q3: holders=1 2017Q4: holders=1 2018Q1: holders=1 2018Q2: holders=1 2018Q3: holders=1 2019Q1: holders=1 2019Q2: holders=1 2019Q3: holders=1 2020Q2: holders=1 2020Q3: holders=1 2020Q4: holders=1 2021Q1: holders=1 2021Q2: holders=1 2021Q3: holders=1 2021Q4: holders=1 2022Q1: holders=1 2022Q2: holders=11 2022Q3: holders=183 2022Q4: holders=180 2023Q1: holders=171 2023Q2: holders=161 2023Q3: holders=164 2023Q4: holders=168 2024Q1: holders=168 2024Q2: holders=157 2024Q3: holders=150 2024Q4: holders=160 2025Q1: holders=203 2025Q2: holders=193 2025Q3: holders=219 2025Q4: holders=212 2026Q1: holders=225 2026Q2: holders=245 -172 -86 +0 +86 +172 0129258 15Q216Q317Q419Q221Q122Q223Q324Q426Q126Q2 Net change in holders (bars) Total funds holding (line)

What happened after each past buying rush 4 times in its history

Quarter of the rush How unusual then Price, next 3 months Price, next 6 months
2026Q2 Top 20%
2025Q3 Top 20% +34.8% +97.4%
2025Q1 Top 5% +6.0% -9.5%
2022Q3 Top 1% in the market -16.4% -56.6%

These are the raw price moves, not how much it beat the market by. Compare them against the market over the same months — in a strong bull market almost everything is up.

Show all the numbers (large funds, value held, options…) ▾
Of them, large funds
130
Change in large funds
+11
Total value they hold
$1.2B
Funds buying for the first time
52
Funds that sold out entirely
32
Price change that quarter
-49.7%
Funds holding puts (bearish)
2
Funds holding calls (bullish)
3

These are for people who want to dig. Skip them if they do not mean anything to you — the three numbers above are enough.

8,697 institutions have filed for this quarter. 13F permits late filing and a small number arrive in the weeks after the deadline, so the holder counts and changes below may tick up.

Fundamentals

PE (TTM)
EPS (TTM)
$-0.28
EPS YoY
Revenue (TTM)
$1.1B
Revenue YoY
+15.8%
Net margin
-2.3%
ROE
-20.1%
Debt ratio
57.5%
FCF (TTM)
$57M
Dividend (TTM)
No dividend
Quarterly Revenue & EPS
2021-09-30: EPS -0.21 2021-12-31: EPS -0.09 2022-03-31: EPS -0.02 2022-06-30: EPS 0.04 2022-09-30: EPS -0.57 2022-12-31: EPS 0.52 2023-03-31: EPS -0.51 2023-06-30: EPS -0.50 2023-09-30: EPS -1.00 2023-12-31: EPS -1.42 2024-03-31: EPS -0.01 2024-06-30: EPS -0.63 2024-09-30: EPS -0.38 2024-12-31: EPS -4.77 2025-03-31: EPS -0.14 2025-06-30: EPS -0.24 2025-09-30: EPS -0.12 2025-12-31: EPS -0.02 2026-03-31: EPS -0.01 2026-06-30: EPS -0.13 0M 179M 358M $M -5.25 -2.34 0.57 2016201720182019202020212022202320242025202606/26 Revenue EPS

Quarterly figures, revenue up to 10 years back; EPS split-adjusted, early quarters hidden when not calibrable

Quarterly free cash flow
-67M-11M44M 20162017201820192020202120222023202420252026
Latest quarter $5M (2026-03-31)

FCF = operating cash flow − capex, computed from SEC XBRL; banks/insurers have no standard cash-flow structure and are hidden

As of 2026-06-30 · SEC filings (XBRL)

Email me the next update

2026 Q3 holdings are due 2026-11-16. We will email you when the refreshed lists are live.