Grantham, Mayo, Van Otterloo & Co (GMO)
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Grantham, Mayo, Van Otterloo & Co (GMO)’s Atkore ATKR Stock Holding History

Grantham, Mayo, Van Otterloo & Co (GMO)’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 		$404K Sell
6,856
-203
-3% -$13.2K ﹤0.01% 565
2025
Q4 		$446K Sell
7,059
-3,688
-34% -$241K ﹤0.01% 587
2025
Q3 		$674K Sell
10,747
-8,692
-45% -$567K ﹤0.01% 506
2025
Q2 		$1.37M Sell
19,439
-367
-2% -$23.8K ﹤0.01% 402
2025
Q1 		$1.19M Sell
19,806
-120,481
-86% -$8.6M ﹤0.01% 430
2024
Q4 		$11.7M Buy
140,287
+6,967
+5% +$614K 0.04% 241
2024
Q3 		$11.3M Buy
133,320
+13,241
+11% +$1.44M 0.04% 261
2024
Q2 		$16.2M Buy
120,079
+3,361
+3% +$535K 0.05% 223
2024
Q1 		$22.2M Buy
116,718
+96,916
+489% +$15.5M 0.08% 175
2023
Q4 		$3.17M Buy
19,802
+10,214
+107% +$1.41M 0.01% 323
2023
Q3 		$1.43M Sell
9,588
-14,973
-61% -$2.26M 0.01% 430
2023
Q2 		$3.83M Buy
24,561
+167
+0.7% +$21.9K 0.02% 366
2023
Q1 		$3.43M Buy
24,394
+7,400
+44% +$1M 0.02% 372
2022
Q4 		$1.93M Buy
16,994
+11,894
+233% +$1.24M 0.01% 438
2022
Q3 		$397K Buy
+5,100
New +$441K ﹤0.01% 600
2022
Q2 		– Sell
-83,630
Closed -$8.23M – 748
2022
Q1 		$8.23M Sell
83,630
-25,888
-24% -$2.69M 0.04% 288
2021
Q4 		$12.2M Buy
109,518
+21,765
+25% +$2.21M 0.06% 221
2021
Q3 		$7.63M Buy
87,753
+45,212
+106% +$3.76M 0.04% 279
2021
Q2 		$3.02M Buy
+42,541
New +$3.24M 0.02% 406
2020
Q2 		– Sell
-37,596
Closed -$792K – 750
2020
Q1 		$792K Buy
37,596
+23,200
+161% +$831K 0.01% 532
2019
Q4 		$582K Sell
14,396
-59,700
-81% -$2.21M ﹤0.01% 578
2019
Q3 		$2.25M Sell
74,096
-122,604
-62% -$3.45M 0.02% 404
2019
Q2 		$5.09M Buy
196,700
+81,200
+70% +$1.98M 0.04% 292
2019
Q1 		$2.49M Buy
115,500
+62,400
+118% +$1.39M 0.02% 369
2018
Q4 		$1.05M Buy
+53,100
New +$1.11M 0.01% 353

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

Grantham, Mayo, Van Otterloo & Co (GMO)'s ATKR Position: Q1 2026 in Review

Grantham, Mayo, Van Otterloo & Co (GMO) reduced its Atkore (ATKR) stake by 2.9% in Q1 2026, selling an estimated $13.2K and leaving 6,856 shares worth $404K. The position accounts for ﹤0.01% of the portfolio, ranked #565.

Grantham, Mayo, Van Otterloo & Co (GMO) first reported a position in ATKR in Q4 2018 and has held it in 25 quarters since. The position peaked at $22.2M in Q1 2024. 303 funds tracked by Wall St. Rank hold ATKR as of Q1 2026.

  • Grantham, Mayo, Van Otterloo & Co (GMO) held 6,856 shares of Atkore worth $404K as of Q1 2026.
  • Grantham, Mayo, Van Otterloo & Co (GMO) sold 203 Atkore shares in Q1 2026, an estimated $13.2K.
  • Atkore made up ﹤0.01% of Grantham, Mayo, Van Otterloo & Co (GMO)'s portfolio in Q1 2026, its #565 holding.
  • Grantham, Mayo, Van Otterloo & Co (GMO) first reported a position in Atkore in Q4 2018 and has held it in 25 quarters since.
  • Grantham, Mayo, Van Otterloo & Co (GMO)'s Atkore position peaked at $22.2M in Q1 2024.
  • 303 funds tracked by Wall St. Rank held Atkore as of Q1 2026.

Based on Grantham, Mayo, Van Otterloo & Co (GMO)'s 13F filing for Q1 2026, filed 14 May 2026.