Boston Partners’s Adtran ADTN Stock Holding History

Boston Partners’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	$22.7M	Buy	1,651,038 +469,724	+40%	+$7.33M	0.02%	378
2026 Q1	$14.9M	Buy	+1,181,314	New	+$12M	0.02%	399

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

Boston Partners's ADTN Position: Q2 2026 in Review

Boston Partners increased its Adtran (ADTN) stake by 40% in Q2 2026, buying an estimated $7.33M and bringing the position to 1,651,038 shares worth $22.7M. The position accounts for 0.02% of the portfolio, ranked #378.

Boston Partners first reported a position in ADTN in Q1 2026 and has held it in 2 quarters since. 250 funds tracked by Wall St. Rank hold ADTN as of Q2 2026.

Boston Partners held 1,651,038 shares of Adtran worth $22.7M as of Q2 2026.
Boston Partners bought 469,724 Adtran shares in Q2 2026, an estimated $7.33M.
Adtran made up 0.02% of Boston Partners's portfolio in Q2 2026, its #378 holding.
Boston Partners first reported a position in Adtran in Q1 2026 and has held it in 2 quarters since.
250 funds tracked by Wall St. Rank held Adtran as of Q2 2026.

Based on Boston Partners's 13F filing for Q2 2026, filed 4 Aug 2026.