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John Overdeck’s Atmus Filtration Technologies ATMU Stock Holding History

John Overdeck’s Portfolio ATMU Stock Details ATMU Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$1.54M Sell
30,192
-55,776
-65% -$3.03M ﹤0.01% 3242
2026
Q1 		$4.88M Buy
85,968
+78,767
+1,094% +$4.65M ﹤0.01% 1995
2025
Q4 		$374K Sell
7,201
-91,050
-93% -$4.41M ﹤0.01% 3469
2025
Q3 		$4.43M Sell
98,251
-23,059
-19% -$967K 0.01% 1556
2025
Q2 		$4.42M Sell
121,310
-42,995
-26% -$1.53M 0.01% 1301
2025
Q1 		$6.03M Sell
164,305
-109,313
-40% -$4.31M 0.01% 1019
2024
Q4 		$10.7M Sell
273,618
-177,985
-39% -$7.22M 0.02% 724
2024
Q3 		$16.9M Sell
451,603
-440,240
-49% -$14.4M 0.04% 556
2024
Q2 		$25.7M Buy
891,843
+62,960
+8% +$1.91M 0.06% 372
2024
Q1 		$26.7M Buy
828,883
+804,289
+3,270% +$19.2M 0.06% 356
2023
Q4 		$578K Sell
24,594
-304,631
-93% -$6.53M ﹤0.01% 2385
2023
Q3 		$6.86M Buy
329,225
+166,782
+103% +$3.82M 0.02% 756
2023
Q2 		$3.57M Buy
+162,443
New +$3.4M 0.01% 1089

Other funds holding ATMU

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Neuberger Berman Group
Neuberger Berman Group New York $150B AUM 40.08% 1-Year Est. Return

John Overdeck's ATMU Position: Q2 2026 in Review

John Overdeck reduced its Atmus Filtration Technologies (ATMU) stake by 65% in Q2 2026, selling an estimated $3.03M and leaving 30,192 shares worth $1.54M. The position accounts for ﹤0.01% of the portfolio, ranked #3242.

John Overdeck first reported a position in ATMU in Q2 2023 and has held it in 13 quarters since. The position peaked at $26.7M in Q1 2024. 333 funds tracked by Wall St. Rank hold ATMU as of Q2 2026.

  • John Overdeck held 30,192 shares of Atmus Filtration Technologies worth $1.54M as of Q2 2026.
  • John Overdeck sold 55,776 Atmus Filtration Technologies shares in Q2 2026, an estimated $3.03M.
  • Atmus Filtration Technologies made up ﹤0.01% of John Overdeck's portfolio in Q2 2026, its #3242 holding.
  • John Overdeck first reported a position in Atmus Filtration Technologies in Q2 2023 and has held it in 13 quarters since.
  • John Overdeck's Atmus Filtration Technologies position peaked at $26.7M in Q1 2024.
  • 333 funds tracked by Wall St. Rank held Atmus Filtration Technologies as of Q2 2026.

Based on Two Sigma Investments's 13F filing for Q2 2026, filed 14 Aug 2026.