CastleKnight Management’s Atkore ATKR Stock Holding History

CastleKnight Management’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	$570K	Sell	7,500 -34,700	-82%	-$2.61M	0.01%	440
2026 Q1	$2.49M	Hold	42,200	–	–	0.04%	256
2025 Q4	$2.67M	Hold	42,200	–	–	0.06%	168
2025 Q3	$2.65M	Sell	42,200 -21,000	-33%	-$1.37M	0.05%	204
2025 Q2	$4.46M	Buy	+63,200	New	+$4.1M	0.13%	130
2024 Q4	–	Sell	-21,100	Closed	-$1.79M	–	381
2024 Q3	$1.79M	Sell	21,100 -5,500	-21%	-$597K	0.07%	145
2024 Q2	$3.59M	Sell	26,600 -3,200	-11%	-$510K	0.18%	86
2024 Q1	$5.67M	Buy	+29,800	New	+$4.77M	0.34%	48
2022 Q3	–	Sell	-18,873	Closed	-$1.57M	–	233
2022 Q2	$1.57M	Sell	18,873 -13,677	-42%	-$1.36M	0.26%	65
2022 Q1	$3.2M	Sell	32,550 -2,800	-8%	-$290K	0.46%	34
2021 Q4	$3.93M	Buy	+35,350	New	+$3.59M	0.81%	22

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

CastleKnight Management's ATKR Position: Q2 2026 in Review

CastleKnight Management reduced its Atkore (ATKR) stake by 82% in Q2 2026, selling an estimated $2.61M and leaving 7,500 shares worth $570K. The position accounts for 0.01% of the portfolio, ranked #440.

CastleKnight Management first reported a position in ATKR in Q4 2021 and has held it in 11 quarters since. The position peaked at $5.67M in Q1 2024. 325 funds tracked by Wall St. Rank hold ATKR as of Q2 2026.

CastleKnight Management held 7,500 shares of Atkore worth $570K as of Q2 2026.
CastleKnight Management sold 34,700 Atkore shares in Q2 2026, an estimated $2.61M.
Atkore made up 0.01% of CastleKnight Management's portfolio in Q2 2026, its #440 holding.
CastleKnight Management first reported a position in Atkore in Q4 2021 and has held it in 11 quarters since.
CastleKnight Management's Atkore position peaked at $5.67M in Q1 2024.
325 funds tracked by Wall St. Rank held Atkore as of Q2 2026.

Based on CastleKnight Management's 13F filing for Q2 2026, filed 14 Aug 2026.