AVTR β€” AVANTOR INC

Ownership history in CAPITAL FUND MANAGEMENT S.A.  Β·  11 quarters on record

AI Ownership Summary

CAPITAL FUND MANAGEMENT S.A. reported AVANTOR INC (AVTR) in 11 quarterly 13F filings from 2025 Q1 through 2025 Q4. Peak portfolio weight reached 0.01% in 2025 Q2. The latest visible filing shows AVTR 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. Older history is available after unlock; the visible window still shows the most recent pattern.

What this AVTR ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was CAPITAL FUND MANAGEMENT S.A.'s position in AVANTOR INC, 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

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

High-water mark
Peak Conviction
0.01% in 2025 Q2

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

Time in book
Holding Window
2025 Q1 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 CAPITAL FUND MANAGEMENT S.A. held AVTR β€” position size vs. price
% of Fund (quarterly)    AVTR price (quarter-end, indexed to 100)
πŸ“‹ Quarterly Holdings History 7 quarters  β–Ύ
Quarter Action Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2025 Q4 REDUCED 91,700 -78,100 -46.0% 0.00% $1.1M 2026-02-14 (Est.) $9.20
2025 Q3 REDUCED 169,800 -73,600 -30.2% 0.01% $2.1M 2025-11-13 $11.70
2025 Q3 REDUCED 243,400 -117,900 -32.6% 0.01% $3.0M 2025-11-13 $11.70
2025 Q2 ADDED 361,300 +130,100 +56.3% 0.01% $4.9M 2025-08-13 $13.07
2025 Q2 ADDED 231,200 +164,300 +245.6% 0.01% $3.1M 2025-08-13 $13.07
2025 Q1 ADDED 66,900 +35,400 +112.4% 0.00% $1.1M 2025-05-14 $12.85
2025 Q1 REDUCED 31,500 -3,300 -9.5% 0.00% $511K 2025-05-14 $12.85
4 older quarters hidden  β€”  Sign in free or upgrade to Premium to see full history

FAQ About CAPITAL FUND MANAGEMENT S.A. and AVTR

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

How long has CAPITAL FUND MANAGEMENT S.A. reported owning AVTR?

CAPITAL FUND MANAGEMENT S.A. reported AVTR across 7 quarterly 13F filings, from 2025 Q1 through 2025 Q4.

What was the largest reported AVTR position in CAPITAL FUND MANAGEMENT S.A.'s portfolio?

The largest reported portfolio weight for AVTR was 0.01% in 2025 Q2.

What is the latest reported AVTR position on this page?

The most recent filing on this page is 2025 Q4, when CAPITAL FUND MANAGEMENT S.A. reported 91,700 shares, equal to 0.00% of portfolio, with an estimated market value of $1.1M.

What does the chart on this AVTR ownership page compare?

The chart compares CAPITAL FUND MANAGEMENT S.A.'s quarterly AVTR 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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