Atmus Filtration Technologies Inc.
US ˙ NYSE ˙ US04956D1072

SecurityATMU / Atmus Filtration Technologies Inc.
InstitutionAlgert Global Llc
Latest Disclosed Ownership514,932 shares
Latest Disclosed Value $ 29,233
Algert Global Llc reports 9.65% decrease in ownership of ATMU / Atmus Filtration Technologies Inc.

On May 14, 2026 - Algert Global Llc filed a 13F-HR form disclosing ownership of 514,932 shares of Atmus Filtration Technologies Inc. (US:ATMU) valued at $29,232,690 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 17, 2026 disclosing 569,937 shares of Atmus Filtration Technologies Inc.. This represents a change in shares of -9.65% during the quarter. The current value of the position is $23,640,528 USD.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date		 Effective
Date		Form Security Class ID Avg Price
Paid (Est)		 Reported
Shares		 ΔShares ΔShares
(%)		 Reported
Value
(x1000)		 ΔValue
(%)		 Alloc
(%)		 ΔAlloc ΔAlloc (%) Cost Basis
(x1000)		 Unrealized
Gain/Loss
(x1000)
2026-05-14 2026-03-31 13F ATMUS FILTRATION TECHNOLOGIE COM 04956D107 514,932 -55,005 -9.65 29 0.00 0.4398
2026-02-17 2025-12-31 13F ATMUS FILTRATION TECHNOLOGIE COM 04956D107 569,937 101,873 21.76 30 38.10 0.4613
2025-11-14 2025-09-30 13F ATMUS FILTRATION TECHNOLOGIE COM 04956D107 468,064 68,747 17.22 21 50.00 0.3532
2025-08-14 2025-06-30 13F TMUS FILTRATION TECHNOLOGIE COM 04956D107 399,317 65,310 19.55 15 16.67 0.3046
2025-05-13 2025-03-31 13F ATMUS FILTRATION TECHNOLOGIE COM 04956D107 334,007 65,514 24.40 12 20.00 0.3034
2025-02-14 2024-12-31 13F ATMUS FILTRATION TECHNOLOGIE COM 04956D107 268,493 106,980 66.24 11 66.67 0.2475
2024-11-12 2024-09-30 13F ATMUS FILTRATION TECHNOLOGIE COM 04956D107 161,513 135,325 516.74 6 0.1630
2024-08-15 2024-06-30 13F ATMUS FILTRATION TECHNOLOGIE COM 04956D107 26,188 26,188 1 0.0251
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.