Boston Partners’s Atkore ATKR Stock Holding History

Boston Partners’s Portfolio ATKR Stock Details ATKR Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$27.9M	Buy	+367,806	New	+$27.7M	0.02%	348
2024 Q4	–	Sell	-692,422	Closed	-$58.7M	–	714
2024 Q3	$58.7M	Sell	692,422 -383,515	-36%	-$41.6M	0.07%	235
2024 Q2	$146M	Sell	1,075,937 -264,209	-20%	-$42.1M	0.18%	181
2024 Q1	$255M	Buy	1,340,146 +143,121	+12%	+$22.9M	0.3%	126
2023 Q4	$191M	Buy	1,197,025 +595,115	+99%	+$82.1M	0.25%	144
2023 Q3	$88.7M	Buy	601,910 +360,837	+150%	+$54.5M	0.12%	205
2023 Q2	$37.4M	Buy	241,073 +25,933	+12%	+$3.4M	0.05%	255
2023 Q1	$29.7M	Buy	+215,140	New	+$29.1M	0.04%	267

Other funds holding ATKR

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

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return

GCM

Gates Capital Management New York $4.16B AUM 21% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

LSV Asset Management Chicago, Illinois $55.1B AUM 45.38% 1-Year Est. Return

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

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

EARNEST Partners Atlanta, Georgia $27.7B AUM 52.44% 1-Year Est. Return

Boston Partners's ATKR Position: Q2 2026 in Review

Boston Partners opened a new position in Atkore (ATKR) in Q2 2026: 367,806 shares worth $27.9M. The stake represents 0.02% of the portfolio and ranks #348 among its holdings. This is a return to the name: Boston Partners previously reported a position in ATKR as recently as Q3 2024.

Boston Partners first reported a position in ATKR in Q1 2023 and has held it in 8 quarters since. The position peaked at $255M in Q1 2024. 325 funds tracked by Wall St. Rank hold ATKR as of Q2 2026.

Boston Partners held 367,806 shares of Atkore worth $27.9M as of Q2 2026.
Atkore was a new Boston Partners position in Q2 2026.
Atkore made up 0.02% of Boston Partners's portfolio in Q2 2026, its #348 holding.
Boston Partners first reported a position in Atkore in Q1 2023 and has held it in 8 quarters since.
Boston Partners's Atkore position peaked at $255M in Q1 2024.
325 funds tracked by Wall St. Rank held Atkore as of Q2 2026.

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