ATMU ATMUS FILTRATION TECHNOLOGIE

Ownership history in Walleye Capital LLC  ·  13 quarters on record

AI Ownership Summary

Walleye Capital LLC reported ATMUS FILTRATION TECHNOLOGIE (ATMU) in 13 quarterly 13F filings from 2023 Q4 through 2025 Q4. Peak portfolio weight reached 0.02% in 2024 Q3. The latest visible filing shows ATMU at 0.00% of the fund.

This page tracks quarterly shares, estimated market value, portfolio weight, filing dates, and disclosure-aligned stock prices directly from SEC EDGAR 13F filings.

What this ATMU ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was Walleye Capital LLC's position in ATMUS FILTRATION TECHNOLOGIE, and how did that conviction change over time? You can read the holding window, peak weight, latest reported size, disclosure timing, and quarter-by-quarter changes without piecing the story together from raw SEC rows.

Freshest filing
Latest Reported Filing
2025 Q4

ATMU was reported at 0.00% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
0.02% in 2024 Q3

Peak weight helps separate a token disclosure from a real conviction holding the fund genuinely cared about.

Time in book
Holding Window
2023 Q4 to 2025 Q4

Longer holding windows often tell a very different story from short-lived tactical trades or one-quarter experiments.

Decision context
Why It Matters
Position size beats headlines

Knowing that a fund owned a stock is useful. Knowing whether it was a 0.20% placeholder or a true high-conviction position is where the signal actually starts.

How Walleye Capital LLC held ATMU — position size vs. price
% of Fund (quarterly)    ATMU price (quarter-end, indexed to 100)
📋 Quarterly Holdings History 13 quarters  
Quarter Action Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2025 Q4 ADDED 6,068 +4,668 +333.4% 0.00% $315K 2026-02-14 (Est.) $64.07
2025 Q4 REDUCED 1,400 -3,900 -73.6% 0.00% $73K 2026-02-14 (Est.) $64.07
2025 Q3 ADDED 5,300 +4,000 +307.7% 0.00% $239K 2025-11-14 $47.55
2025 Q1 REDUCED 1,300 -5,500 -80.9% 0.00% $48K 2025-05-14 $38.20
2025 Q1 ADDED 6,800 +5,407 +388.2% 0.00% $250K 2025-05-14 $38.20
2025 Q1 REDUCED 1,393 -1,507 -52.0% 0.00% $51K 2025-05-14 $38.20
2024 Q4 REDUCED 2,900 -3,900 -57.4% 0.00% $114K 2025-02-13 $39.83
2024 Q4 REDUCED 6,800 -1,963 -22.4% 0.00% $266K 2025-02-13 $39.83
2024 Q4 REDUCED 8,763 -254,119 -96.7% 0.00% $343K 2025-02-13 $39.83
2024 Q3 ADDED 262,882 +133,502 +103.2% 0.02% $9.9M 2024-11-14 $42.85
2024 Q2 REDUCED 129,380 -173,778 -57.3% 0.01% $3.7M 2024-08-14 $32.54
2024 Q1 ADDED 303,158 +291,858 +2582.8% 0.02% $9.8M 2024-05-15 $30.45
2023 Q4 INITIATED 11,300 0.00% $265K 2024-02-14 $21.87

FAQ About Walleye Capital LLC and ATMU

These are the practical questions this page is built to answer before you even open the full history table.

How long has Walleye Capital LLC reported owning ATMU?

Walleye Capital LLC reported ATMU across 13 quarterly 13F filings, from 2023 Q4 through 2025 Q4.

What was the largest reported ATMU position in Walleye Capital LLC's portfolio?

The largest reported portfolio weight for ATMU was 0.02% in 2024 Q3.

What is the latest reported ATMU position on this page?

The most recent filing on this page is 2025 Q4, when Walleye Capital LLC reported 6,068 shares, equal to 0.00% of portfolio, with an estimated market value of $315K.

What does the chart on this ATMU ownership page compare?

The chart compares Walleye Capital LLC's quarterly ATMU portfolio weight with the stock's indexed share price, so you can see whether the fund was building, trimming, or holding the position as price moved.

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