Dimensional Fund Advisors
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Dimensional Fund Advisors’s Atmus Filtration Technologies ATMU Stock Holding History

Dimensional Fund Advisors’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
Q3 		$68.4M Buy
1,575,032
+114,098
+8% +$5.61M 0.01% 1403
2026
Q2 		$74.5M Buy
1,460,934
+157,962
+12% +$8.58M 0.01% 1378
2026
Q1 		$74M Buy
1,302,972
+45,138
+4% +$2.67M 0.02% 1277
2025
Q4 		$65.3M Buy
1,257,834
+69,974
+6% +$3.39M 0.01% 1362
2025
Q3 		$53.6M Buy
1,187,860
+63,618
+6% +$2.67M 0.01% 1484
2025
Q2 		$40.9M Buy
1,124,242
+101,012
+10% +$3.6M 0.01% 1613
2025
Q1 		$37.6M Buy
1,023,230
+284,761
+39% +$11.2M 0.01% 1615
2024
Q4 		$28.9M Buy
738,469
+208,550
+39% +$8.46M 0.01% 1835
2024
Q3 		$19.9M Buy
529,919
+419,486
+380% +$13.7M ﹤0.01% 2005
2024
Q2 		$3.18M Buy
+110,433
New +$3.35M ﹤0.01% 2638

Other funds holding ATMU

Channing Capital Management
Channing Capital Management Chicago, Illinois $3.82B AUM 15.06% 1-Year Est. Return
Boston Trust Walden
Boston Trust Walden Boston, Massachusetts $12.4B AUM 21.62% 1-Year Est. Return
Principal Financial Group
Principal Financial Group Des Moines, Iowa $195B AUM 21.17% 1-Year Est. Return
Allspring Global Investments
Allspring Global Investments Charlotte, North Carolina $64.1B AUM 28.9% 1-Year Est. Return
Prentiss Smith & Co
Prentiss Smith & Co Brattleboro, Vermont $177M AUM 17.01% 1-Year Est. Return
Moody Aldrich Partners
Moody Aldrich Partners Marblehead, Massachusetts $523M AUM 75.24% 1-Year Est. Return
Vest Financial
Vest Financial Mclean, Virginia $9.5B AUM 22.78% 1-Year Est. Return
Riverwater Partners
Riverwater Partners Milwaukee, Wisconsin $360M AUM 25.48% 1-Year Est. Return
DekaBank Deutsche Girozentrale
DekaBank Deutsche Girozentrale Frankfurt, Germany $87.8B AUM 20.94% 1-Year Est. Return
Y-Intercept (HK)
Y-Intercept (HK) Hong Kong $4.52B AUM 6.6% 1-Year Est. Return

Dimensional Fund Advisors's ATMU Position: Q3 2026 in Review

Dimensional Fund Advisors increased its Atmus Filtration Technologies (ATMU) stake by 7.8% in Q3 2026, buying an estimated $5.61M and bringing the position to 1,575,032 shares worth $68.4M. The position accounts for 0.01% of the portfolio, ranked #1403.

Dimensional Fund Advisors first reported a position in ATMU in Q2 2024 and has held it in 10 quarters since. The position peaked at $74.5M in Q2 2026. 106 funds tracked by Wall St. Rank hold ATMU as of Q3 2026.

  • Dimensional Fund Advisors held 1,575,032 shares of Atmus Filtration Technologies worth $68.4M as of Q3 2026.
  • Dimensional Fund Advisors bought 114,098 Atmus Filtration Technologies shares in Q3 2026, an estimated $5.61M.
  • Atmus Filtration Technologies made up 0.01% of Dimensional Fund Advisors's portfolio in Q3 2026, its #1403 holding.
  • Dimensional Fund Advisors first reported a position in Atmus Filtration Technologies in Q2 2024 and has held it in 10 quarters since.
  • Dimensional Fund Advisors's Atmus Filtration Technologies position peaked at $74.5M in Q2 2026.
  • 106 funds tracked by Wall St. Rank held Atmus Filtration Technologies as of Q3 2026.

Based on Dimensional Fund Advisors's 13F filing for Q3 2026, filed 4 Nov 2026.