ATMU — ATMUS FILTRATION TECHNOLOGIE

Ownership history in Ionic Capital Management LLC  ·  8 quarters on record

This page tracks every 13F SEC filing in which Ionic Capital Management LLC reported a position in ATMUS FILTRATION TECHNOLOGIE (ATMU). Data includes quarterly share count, position size as % of portfolio, estimated market value, and end-of-quarter stock price — sourced directly from SEC EDGAR 13F filings.

Peak position
0.79% (2025 Q2)
Avg. % of fund
0.52%
First filed
2024 Q1
Last filed
2025 Q4
Quarters held
8
Quarter Action Shares Change Chg % % of Fund Mkt Value Price (EOQ)
2025 Q4 REDUCED 60,003 -8,352 -12.2% 0.40% $3.1M $51.87
2025 Q3 REDUCED 68,355 -7,000 -9.3% 0.32% $3.1M $45.00
2025 Q2 UNCHANGED 75,355 — 0% 0.79% $2.7M $36.30
2025 Q1 REDUCED 75,355 -13,801 -15.5% 0.36% $2.8M $36.56
4 older quarters hidden  —  Sign in free or upgrade to Premium to see full history
% of Fund (quarterly)    ATMU price (monthly, adj. close)

Other funds also holding ATMU

As of 2025 Q4 — sorted by position size

Yost Capital Management, LP 3Y 7Y 8.21% Medina Value Partners, LLC 3Y 6.21% MANGROVE PARTNERS IM, LLC 3Y 7Y 5.56% Parsifal Capital Management, LP 3Y 5.26% PRENTISS SMITH & CO INC 3Y 7Y 3.31% EMINENCE CAPITAL, LP 3Y 7Y 3.14% Channing Capital Management, LLC 3Y 7Y 2.17% Port Capital LLC 3Y 7Y 1.96% Riverwater Partners LLC 3Y 1.02% MOODY ALDRICH PARTNERS LLC 3Y 7Y 0.9%
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