Janus Henderson Group
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Janus Henderson Group’s Atkore ATKR Stock Holding History

Janus Henderson Group’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 		$1.02M Buy
17,312
+3,234
+23% +$210K ﹤0.01% 1686
2025
Q4 		$890K Hold
14,078
– – ﹤0.01% 1733
2025
Q3 		$883K Sell
14,078
-165,374
-92% -$10.8M ﹤0.01% 1728
2025
Q2 		$12.7M Buy
179,452
+115,807
+182% +$7.51M 0.01% 666
2025
Q1 		$3.86M Sell
63,645
-6,583
-9% -$470K ﹤0.01% 978
2024
Q4 		$5.86M Buy
70,228
+39,996
+132% +$3.52M ﹤0.01% 861
2024
Q3 		$2.56M Sell
30,232
-236
-0.8% -$25.6K ﹤0.01% 1182
2024
Q2 		$4.11M Buy
30,468
+433
+1% +$69K ﹤0.01% 923
2024
Q1 		$5.72M Sell
30,035
-500
-2% -$80K ﹤0.01% 840
2023
Q4 		$4.89M Buy
30,535
+585
+2% +$80.7K ﹤0.01% 830
2023
Q3 		$4.47M Buy
29,950
+2,454
+9% +$370K ﹤0.01% 855
2023
Q2 		$4.29M Buy
27,496
+3,825
+16% +$502K ﹤0.01% 904
2023
Q1 		$3.32M Buy
23,671
+10,008
+73% +$1.36M ﹤0.01% 1015
2022
Q4 		$1.55M Sell
13,663
-31,853
-70% -$3.33M ﹤0.01% 1166
2022
Q3 		$3.54M Buy
45,516
+20,930
+85% +$1.81M ﹤0.01% 1092
2022
Q2 		$2.04M Sell
24,586
-4,111
-14% -$409K ﹤0.01% 1038
2022
Q1 		$2.83M Sell
28,697
-4,138
-13% -$429K ﹤0.01% 1135
2021
Q4 		$3.65M Buy
32,835
+11,454
+54% +$1.16M ﹤0.01% 1148
2021
Q3 		$1.86M Sell
21,381
-633
-3% -$52.7K ﹤0.01% 1264
2021
Q2 		$1.56M Buy
22,014
+1,516
+7% +$115K ﹤0.01% 1270
2021
Q1 		$1.47M Buy
20,498
+10,616
+107% +$642K ﹤0.01% 1222
2020
Q4 		$406K Sell
9,882
-2,795
-22% -$88.1K ﹤0.01% 1293
2020
Q3 		$288K Sell
12,677
-4,790
-27% -$130K ﹤0.01% 1270
2020
Q2 		$478K Buy
17,467
+3,056
+21% +$75.6K ﹤0.01% 1208
2020
Q1 		$304K Buy
14,411
+4,338
+43% +$155K ﹤0.01% 1227
2019
Q4 		$408K Buy
10,073
+827
+9% +$30.6K ﹤0.01% 1307
2019
Q3 		$281K Buy
9,246
+318
+4% +$8.95K ﹤0.01% 1347
2019
Q2 		$231K Buy
+8,928
New +$218K ﹤0.01% 1337
2016
Q3 		– Sell
-13,961
Closed -$223K – 820
2016
Q2 		$223K Buy
+13,961
New +$226K ﹤0.01% 812

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

Janus Henderson Group's ATKR Position: Q1 2026 in Review

Janus Henderson Group increased its Atkore (ATKR) stake by 23% in Q1 2026, buying an estimated $210K and bringing the position to 17,312 shares worth $1.02M. The position accounts for ﹤0.01% of the portfolio, ranked #1686.

Janus Henderson Group first reported a position in ATKR in Q2 2016 and has held it in 29 quarters since. The position peaked at $12.7M in Q2 2025. 303 funds tracked by Wall St. Rank hold ATKR as of Q1 2026.

  • Janus Henderson Group held 17,312 shares of Atkore worth $1.02M as of Q1 2026.
  • Janus Henderson Group bought 3,234 Atkore shares in Q1 2026, an estimated $210K.
  • Atkore made up ﹤0.01% of Janus Henderson Group's portfolio in Q1 2026, its #1686 holding.
  • Janus Henderson Group first reported a position in Atkore in Q2 2016 and has held it in 29 quarters since.
  • Janus Henderson Group's Atkore position peaked at $12.7M in Q2 2025.
  • 303 funds tracked by Wall St. Rank held Atkore as of Q1 2026.

Based on Janus Henderson Group's 13F filing for Q1 2026, filed 15 May 2026.