Mariner
ATKR icon

Mariner’s Atkore ATKR Stock Holding History

Mariner’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 		$567K Buy
+7,450
New +$561K ﹤0.01% 2365
2025
Q3 		– Sell
-7,169
Closed -$506K – 3563
2025
Q2 		$506K Buy
7,169
+2,899
+68% +$188K ﹤0.01% 2327
2025
Q1 		$256K Buy
+4,270
New +$305K ﹤0.01% 2780
2024
Q4 		– Sell
-3,495
Closed -$296K – 3390
2024
Q3 		$296K Sell
3,495
-3,664
-51% -$398K ﹤0.01% 2581
2024
Q2 		$966K Sell
7,159
-164
-2% -$26.1K ﹤0.01% 1523
2024
Q1 		$1.39M Buy
7,323
+611
+9% +$97.7K ﹤0.01% 1296
2023
Q4 		$1.07M Buy
6,712
+936
+16% +$129K ﹤0.01% 1378
2023
Q3 		$862K Buy
5,776
+393
+7% +$59.3K ﹤0.01% 1399
2023
Q2 		$839K Buy
5,383
+419
+8% +$54.9K ﹤0.01% 1405
2023
Q1 		$697K Buy
4,964
+463
+10% +$62.7K ﹤0.01% 1485
2022
Q4 		$511K Buy
+4,501
New +$471K ﹤0.01% 1637

Other funds holding ATKR

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
American Century Companies
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
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
LSV Asset Management
LSV Asset Management Chicago, Illinois $55.1B AUM 45.38% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
EARNEST Partners
EARNEST Partners Atlanta, Georgia $27.7B AUM 52.44% 1-Year Est. Return

Mariner's ATKR Position: Q2 2026 in Review

Mariner opened a new position in Atkore (ATKR) in Q2 2026: 7,450 shares worth $567K. The stake represents ﹤0.01% of the portfolio and ranks #2365 among its holdings. This is a return to the name: Mariner previously reported a position in ATKR as recently as Q2 2025.

Mariner first reported a position in ATKR in Q4 2022 and has held it in 11 quarters since. The position peaked at $1.39M in Q1 2024. 325 funds tracked by Wall St. Rank hold ATKR as of Q2 2026.

  • Mariner held 7,450 shares of Atkore worth $567K as of Q2 2026.
  • Atkore was a new Mariner position in Q2 2026.
  • Atkore made up ﹤0.01% of Mariner's portfolio in Q2 2026, its #2365 holding.
  • Mariner first reported a position in Atkore in Q4 2022 and has held it in 11 quarters since.
  • Mariner's Atkore position peaked at $1.39M in Q1 2024.
  • 325 funds tracked by Wall St. Rank held Atkore as of Q2 2026.

Based on Mariner's 13F filing for Q2 2026, filed 13 Aug 2026.