Simplex Trading
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Simplex Trading’s Atkore ATKR Stock Holding History

Simplex Trading’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
Q1 		$124K Buy
2,100
+200
+11% +$13K ﹤0.01% 4838
2025
Q4 		$120K Sell
1,900
-1,200
-39% -$78.3K ﹤0.01% 4798
2025
Q3 		$194K Sell
3,100
-2,100
-40% -$137K ﹤0.01% 4968
2025
Q2 		$366K Sell
5,200
-8,100
-61% -$525K ﹤0.01% 3845
2025
Q1 		$797K Buy
13,300
+7,900
+146% +$564K ﹤0.01% 2928
2024
Q4 		$450K Buy
5,400
+1,900
+54% +$167K ﹤0.01% 3654
2024
Q3 		$296K Sell
3,500
-10,300
-75% -$1.12M ﹤0.01% 4145
2024
Q2 		$1.86M Buy
13,800
+12,300
+820% +$1.96M ﹤0.01% 2279
2024
Q1 		$285K Sell
1,500
-5,500
-79% -$880K ﹤0.01% 4462
2023
Q4 		$1.12M Buy
7,000
+2,300
+49% +$317K ﹤0.01% 2906
2023
Q3 		$701K Buy
4,700
+3,900
+488% +$589K ﹤0.01% 3037
2023
Q2 		$124K Sell
800
-900
-53% -$118K ﹤0.01% 4821
2023
Q1 		$238K Sell
1,700
-5,200
-75% -$705K ﹤0.01% 4125
2022
Q4 		$782K Buy
6,900
+1,400
+25% +$147K ﹤0.01% 2711
2022
Q3 		$427K Buy
5,500
+2,300
+72% +$199K ﹤0.01% 3648
2022
Q2 		$265K Sell
3,200
-7,600
-70% -$755K ﹤0.01% 4252
2022
Q1 		$1.06M Buy
10,800
+2,900
+37% +$301K ﹤0.01% 2841
2021
Q4 		$878K Buy
7,900
+2,600
+49% +$264K ﹤0.01% 3041
2021
Q3 		$381K Hold
5,300
– – ﹤0.01% 4516
2021
Q2 		$376K Buy
5,300
+5,286
+37,757% +$402K ﹤0.01% 4602
2021
Q1 		$100K Buy
+14
New +$846 ﹤0.01% 5742
2020
Q3 		– Sell
-50
Closed -$136K – 7754
2020
Q2 		$136K Buy
50
+14
+39% +$346 ﹤0.01% 4445
2020
Q1 		$75K Sell
36
-65
-64% -$2.33K ﹤0.01% 4681
2019
Q4 		$408K Buy
+101
New +$3.74K ﹤0.01% 2953
2019
Q2 		– Sell
-6
Closed -$12K – 7060
2019
Q1 		$12K Sell
6
-4
-40% -$89 ﹤0.01% 6030
2018
Q4 		$19K Sell
10
-106
-91% -$2.22K ﹤0.01% 5355
2018
Q3 		$307K Buy
+116
New +$2.9K ﹤0.01% 3149

Other funds holding ATKR

GCM
Gates Capital Management New York $3.66B AUM 12.63% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
American Century Companies
American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
First Trust Advisors
First Trust Advisors Wheaton, Illinois $140B AUM 27.84% 1-Year Est. Return
LSV Asset Management
LSV Asset Management Chicago, Illinois $46.4B AUM 27.74% 1-Year Est. Return
CCM
Coliseum Capital Management Rowayton, Connecticut $1.22B AUM 18.72% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Simplex Trading's ATKR Position: Q1 2026 in Review

Simplex Trading reduced its Atkore (ATKR) stake by 81% in Q1 2026, selling an estimated $109K and leaving 385 shares worth $22.7K. The position accounts for ﹤0.01% of the portfolio, ranked #6669.

Simplex Trading first reported a position in ATKR in Q3 2018 and has held it in 10 quarters since. The position peaked at $644K in Q3 2021. 303 funds tracked by Wall St. Rank hold ATKR as of Q1 2026.

  • Simplex Trading held 385 shares of Atkore worth $22.7K as of Q1 2026.
  • Simplex Trading sold 1,675 Atkore shares in Q1 2026, an estimated $109K.
  • Atkore made up ﹤0.01% of Simplex Trading's portfolio in Q1 2026, its #6669 holding.
  • Simplex Trading first reported a position in Atkore in Q3 2018 and has held it in 10 quarters since.
  • Simplex Trading's Atkore position peaked at $644K in Q3 2021.
  • 303 funds tracked by Wall St. Rank held Atkore as of Q1 2026.

Based on Simplex Trading's 13F filing for Q1 2026, filed 14 May 2026.