Hillsdale Investment Management’s Adtran ADTN Stock Holding History

Hillsdale 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	$265K	Sell	19,050 -3,850	-17%	-$60.1K	0.01%	550
2026 Q1	$288K	Sell	22,900 -471,350	-95%	-$4.78M	0.01%	523
2025 Q4	$4.3M	Sell	494,250 -18,670	-4%	-$162K	0.12%	235
2025 Q3	$4.81M	Sell	512,920 -21,400	-4%	-$199K	0.15%	202
2025 Q2	$4.79M	Buy	534,320 +148,220	+38%	+$1.18M	0.18%	177
2025 Q1	$3.37M	Buy	+386,100	New	+$3.89M	0.17%	162
2019 Q3	–	Sell	-50,000	Closed	-$763K	–	606
2019 Q2	$763K	Buy	+50,000	New	+$798K	0.08%	253
2016 Q2	–	Sell	-22,600	Closed	-$457K	–	510
2016 Q1	$457K	Buy	+22,600	New	+$418K	0.16%	98

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 $3.38T AUM 44.17% 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

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

Hillsdale Investment Management reduced its Adtran (ADTN) stake by 17% in Q2 2026, selling an estimated $60.1K and leaving 19,050 shares worth $265K. The position accounts for 0.01% of the portfolio, ranked #550.

Hillsdale Investment Management first reported a position in ADTN in Q1 2016 and has held it in 8 quarters since. The position peaked at $4.81M in Q3 2025. 249 funds tracked by Wall St. Rank hold ADTN as of Q2 2026.

Hillsdale Investment Management held 19,050 shares of Adtran worth $265K as of Q2 2026.
Hillsdale Investment Management sold 3,850 Adtran shares in Q2 2026, an estimated $60.1K.
Adtran made up 0.01% of Hillsdale Investment Management's portfolio in Q2 2026, its #550 holding.
Hillsdale Investment Management first reported a position in Adtran in Q1 2016 and has held it in 8 quarters since.
Hillsdale Investment Management's Adtran position peaked at $4.81M in Q3 2025.
249 funds tracked by Wall St. Rank held Adtran as of Q2 2026.

Based on Hillsdale Investment Management's 13F filing for Q2 2026, filed 12 Aug 2026.