AVTR — AVANTOR INC

Ownership history in HM PAYSON & CO  ·  14 quarters on record

This page tracks every 13F SEC filing in which HM PAYSON & CO 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.

Quarter Action Shares Change Chg % % of Fund Mkt Value Price (EOQ)
2025 Q3 REDUCED 185 -17 -8.4% 0.00% $2K $12.48
2023 Q4 ADDED 202 +10 +5.2% 0.00% $5K $22.83
2023 Q3 UNCHANGED 192 — 0% 0.00% $4K $21.08
2023 Q2 REDUCED 192 -64 -25.0% 0.00% $4K $20.54
10 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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