AVTR — AVANTOR INC

Ownership history in Entropy Technologies, LP  ·  7 quarters on record

This page tracks every 13F SEC filing in which Entropy Technologies, LP reported a position in AVANTOR INC (AVTR). 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
0.18% (2023 Q4)
Avg. % of fund
0.1%
First filed
2023 Q4
Last filed
2025 Q3
Quarters held
7
Quarter Action Shares Change Chg % % of Fund Mkt Value Price (EOQ)
2025 Q3 ADDED 167,725 +88,952 +112.9% 0.16% $2.1M $12.48
2025 Q2 ADDED 78,773 +65,866 +510.3% 0.08% $1.1M $13.46
2025 Q1 REDUCED 12,907 -23,578 -64.6% 0.02% $209K $16.21
2024 Q3 ADDED 36,485 +10,700 +41.5% 0.10% $944K $25.87
3 older quarters hidden  —  Sign in free or upgrade to Premium to see full history
% of Fund (quarterly)    AVTR price (monthly, adj. close)

Other funds also holding AVTR

As of 2025 Q4 — sorted by position size

New Mountain Capital, L.L.C. 3Y 100.0% Engine Capital Management, LP 3Y 7Y 18.87% Belfer Management LLC 3Y 7Y 4.74% Clarkston Capital Partners, LLC 3Y 7Y 4.01% GREENHAVEN ASSOCIATES INC 3Y 7Y 3.81% Circumference Group LLC 3.77% Sapience Investments, LLC 3Y 7Y 2.44% Voss Capital, LP 3Y 2.26% Prosight Management, LP 3Y 7Y 2.13% Olstein Capital Management, L.P. 3Y 7Y 1.92%
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