Herald Investment Management’s Adtran ADTN Stock Holding History

Herald Investment Management’s Portfolio ADTN Stock Details ADTN Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$2.78M	Hold	200,000	–	–	0.38%	75
2026 Q1	$2.51M	Hold	200,000	–	–	0.35%	70
2025 Q4	$1.74M	Hold	200,000	–	–	0.23%	87
2025 Q3	$1.87M	Hold	200,000	–	–	0.25%	82
2025 Q2	$1.79M	Hold	200,000	–	–	0.27%	81
2025 Q1	$1.74M	Sell	200,000 -100,000	-33%	-$1.01M	0.33%	75
2024 Q4	$2.5M	Sell	300,000 -100,000	-25%	-$738K	0.41%	62
2024 Q3	$2.37M	Hold	400,000	–	–	0.41%	62
2024 Q2	$2.1M	Hold	400,000	–	–	0.34%	66
2024 Q1	$2.17M	Hold	400,000	–	–	0.35%	67
2023 Q4	$2.94M	Hold	400,000	–	–	0.56%	46
2023 Q3	$3.29M	Buy	400,000 +100,000	+33%	+$889K	0.7%	41
2023 Q2	$3.16M	Hold	300,000	–	–	0.61%	45
2023 Q1	$4.75M	Hold	300,000	–	–	1.06%	25
2022 Q4	$5.63M	Sell	300,000 -100,000	-25%	-$2.01M	1.38%	18
2022 Q3	$7.83M	Buy	+400,000	New	+$8.73M	1.93%	12

Other funds holding ADTN

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Royce & Associates New York $12.4B AUM 64.17% 1-Year Est. Return

UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return

Two Sigma Investments New York $138B AUM 41.87% 1-Year Est. Return

Millennium Management New York $276B AUM 44.8% 1-Year Est. Return

DnB Asset Management Oslo, Norway $35.7B AUM 27.58% 1-Year Est. Return

JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return

Herald Investment Management's ADTN Position: Q2 2026 in Review

Herald Investment Management held its Adtran (ADTN) position steady in Q2 2026 at 200,000 shares worth $2.78M. The position accounts for 0.38% of the portfolio, ranked #75.

Herald Investment Management first reported a position in ADTN in Q3 2022 and has held it in 16 quarters since. The position peaked at $7.83M in Q3 2022. 249 funds tracked by Wall St. Rank hold ADTN as of Q2 2026.

Herald Investment Management held 200,000 shares of Adtran worth $2.78M as of Q2 2026.
Herald Investment Management left its Adtran share count unchanged in Q2 2026.
Adtran made up 0.38% of Herald Investment Management's portfolio in Q2 2026, its #75 holding.
Herald Investment Management first reported a position in Adtran in Q3 2022 and has held it in 16 quarters since.
Herald Investment Management's Adtran position peaked at $7.83M in Q3 2022.
249 funds tracked by Wall St. Rank held Adtran as of Q2 2026.

Based on Herald Investment Management's 13F filing for Q2 2026, filed 23 Jul 2026.