13FAI ai-powered hedge fund tracker

AVANTOR INC (AVTR) — Hedge Fund Ownership Q1 2026

AVTR
Q1 2026Q4 2025Q3 2025Q2 2025
# Fund % of Portfolio † Shares † Shares vs Prior Quarter † Shares vs Prior Year † Aggregate Value † Reported Price * Option
1
Greenhaven Associates
Edgar Wachenheim
2.92% 22.6M +10.21% $177.1M $7.84
2
Olstein Capital Management
Robert Olstein
2.07% 1.2M +47.92% +113.03% $9.5M $7.84
3
Longleaf Partners / Southeastern Asset Management
1.36% 3.5M -0.80% $27.6M $7.84
4
First Pacific Advisors
Steven Romick
0.91% 8.1M +103.82% $63.4M $7.84
5
Dodge & Cox
0.52% 119.6M +2.21% +19.33% $938.0M $7.84
6
Yacktman Asset Management
Donald Yacktman
0.50% 4.7M NEW $37.2M $7.84
7
Maverick Capital
Lee Ainslie
0.01% 101K NEW $790,382 $7.84
7 Total 159.9M +6.28% +19.86% $1.25B
* Reported price is not an actual purchase or sale price. It is the price as of the last portfolio date.
† Portfolio value, share counts, and period-over-period changes exclude options positions (PUT/CALL), which are shown in the Option column for reference only.