AVTR Stock Ownership Activity

AVANTOR INC 13F holders

3 value investing gurus have made changes to the AVANTOR INC (AVTR) position according to the gurus' latest SEC quarterly report(s). AVTR has been bought (as a new position) by 1 guru(s), the number of AVTR shares has been increased by 2 super investor(s).

Which gurus or hedge funds are buying AVTR now?

According to the latest SEC filing(s) AVANTOR INC (AVTR) has been bought by 3 gurus: Donald Yacktman - Yacktman Asset Management (new buy), Edgar Wachenheim III - Greenhaven Associates (added shares +10.21%) and Robert Olstein - Olstein Capital Management (added shares +47.92%).

To see more about who is investing in AVANTOR INC (AVTR), please go to the AVTR ownership page.

History
Name
Company
%
Activity
Share
Change
% change to
Portfolio
% of
Portfolio
2026 Q1 (3 results)
Donald Yacktman
Yacktman Asset Management
buy
+4,745,000
+0.50%
0.50%
Robert Olstein
Olstein Capital Management
+47.92%
+392,000
+0.67%
2.07%
Edgar Wachenheim III
Greenhaven Associates
+10.21%
+2,093,185
+0.27%
2.92%
Current price: $9.07 15.69% AVG reported price*: $7.84
2025 Q4 (3 results)
Edgar Wachenheim III
Greenhaven Associates
+11.95%
+2,189,083
+0.41%
3.81%
Robert Olstein
Olstein Capital Management
+3.02%
+24,000
+0.06%
1.92%
Mason Hawkins
Longleaf Partners
-15.20%
-553,218
-0.64%
3.54%
Current price: $9.07 20.85% AVG reported price*: $11.46
2025 Q3 (3 results)
Edgar Wachenheim III
Greenhaven Associates
buy
+18,311,570
+3.48%
3.48%
Mason Hawkins
Longleaf Partners
buy
+3,639,654
+4.73%
4.73%
Robert Olstein
Olstein Capital Management
+16.94%
+115,000
+0.27%
1.87%
Current price: $9.07 27.32% AVG reported price*: $12.48
2025 Q2 (3 results)
Robert Olstein
Olstein Capital Management
+19.54%
+111,000
+0.28%
1.71%
V. D. Dodge, E. M. Cox
Dodge & Cox Stock Fund
+12.01%
+8,030,500
+0.10%
0.89%
Harry Burn
Sound Shore Management
-100.00%
-4,172,352
-2.30%
0.00%
Current price: $9.07 32.61% AVG reported price*: $13.46
2025 Q1 (3 results)
Robert Olstein
Olstein Capital Management
+59.55%
+212,000
+0.63%
1.69%
Harry Burn
Sound Shore Management
-10.88%
-509,183
-0.29%
0.00%
Henry Ellenbogen
Durable Capital Partners
-100.00%
-4,809,948
-0.91%
0.00%
Current price: $9.07 44.05% AVG reported price*: $16.21
2024 Q4 (4 results)
Robert Olstein
Olstein Capital Management
+51.49%
+121,000
+0.45%
1.32%
V. D. Dodge, E. M. Cox
Dodge & Cox Stock Fund
+46.95%
+21,355,172
+0.41%
1.28%
Harry Burn
Sound Shore Management
+32.92%
+1,159,426
+0.81%
3.26%
Henry Ellenbogen
Durable Capital Partners
-39.82%
-3,182,150
-0.55%
0.00%
Current price: $9.07 56.95% AVG reported price*: $21.07
2024 Q3 (4 results)
Henry Ellenbogen
Durable Capital Partners
+32.37%
+1,954,253
+0.37%
1.51%
V. D. Dodge, E. M. Cox
Dodge & Cox Stock Fund
+6.89%
+2,931,128
+0.07%
1.05%
Harry Burn
Sound Shore Management
-2.28%
-82,236
-0.07%
2.96%
Robert Olstein
Olstein Capital Management
-19.30%
-56,184
-0.25%
1.03%
Current price: $9.07 64.94% AVG reported price*: $25.87
2024 Q2 (4 results)
Harry Burn
Sound Shore Management
buy
+3,604,345
+2.55%
2.55%
V. D. Dodge, E. M. Cox
Dodge & Cox Stock Fund
+5.17%
+2,092,100
+0.04%
0.85%
Robert Olstein
Olstein Capital Management
-1.02%
-3,000
-0.01%
1.10%
Henry Ellenbogen
Durable Capital Partners
-28.96%
-2,461,507
-0.43%
1.05%
Current price: $9.07 57.22% AVG reported price*: $21.20
2024 Q1 (3 results)
Henry Ellenbogen
Durable Capital Partners
buy
+8,499,352
+1.68%
1.68%
Robert Olstein
Olstein Capital Management
-6.61%
-20,816
-0.09%
1.23%
Sarah Ketterer
Causeway Capital Management
-100.00%
-2,559,572
-1.53%
0.00%
Current price: $9.07 64.53% AVG reported price*: $25.57
2023 Q4 (5 results)
V. D. Dodge, E. M. Cox
Dodge & Cox Stock Fund
+582.39%
+34,533,215
+0.81%
0.95%
Robert Olstein
Olstein Capital Management
+2.94%
+9,000
+0.03%
1.21%
Sarah Ketterer
Causeway Capital Management
-0.52%
-13,427
-0.01%
0.00%
Harry Burn
Sound Shore Management
-100.00%
-3,989,327
-2.92%
0.00%
Nathaniel Simons
Meritage Group
-100.00%
-8,897,724
-4.32%
0.00%
Current price: $9.07 60.27% AVG reported price*: $22.83
2023 Q3 (4 results)
V. D. Dodge, E. M. Cox
Dodge & Cox Stock Fund
buy
+5,929,600
+0.14%
0.14%
Harry Burn
Sound Shore Management
+19.10%
+639,715
+0.52%
0.00%
Sarah Ketterer
Causeway Capital Management
-0.44%
-11,455
-0.01%
1.43%
Nathaniel Simons
Meritage Group
-21.02%
-2,367,950
-1.37%
0.00%
Current price: $9.07 56.97% AVG reported price*: $21.08
2023 Q2 (4 results)
Nathaniel Simons
Meritage Group
+119.07%
+6,123,250
+3.50%
6.45%
Robert Olstein
Olstein Capital Management
+117.02%
+165,000
+0.55%
1.02%
Sarah Ketterer
Causeway Capital Management
+78.72%
+1,138,331
+0.62%
1.40%
Harry Burn
Sound Shore Management
-13.90%
-540,791
-0.41%
2.54%
Current price: $9.07 55.84% AVG reported price*: $20.54
2023 Q1 (4 results)
Robert Olstein
Olstein Capital Management
buy
+141,000
+0.47%
0.47%
Nathaniel Simons
Meritage Group
buy
+5,142,424
+3.29%
3.29%
Harry Burn
Sound Shore Management
buy
+3,890,403
+3.09%
3.09%
Sarah Ketterer
Causeway Capital Management
+6.16%
+83,858
+0.04%
0.73%
Current price: $9.07 57.10% AVG reported price*: $21.14
2022 Q4 (2 results)
Sarah Ketterer
Causeway Capital Management
+45.02%
+422,921
+0.26%
0.83%
Ole Andreas Halvorsen
Viking Global Investors
-100.00%
-2,898,662
-0.29%
0.00%
Current price: $9.07 56.99% AVG reported price*: $21.09
49 of 77

Shares, change to shares, sold shares - split-adjusted.

Reported price - this doesn't represent the actual buy or sell price.
It is the split-adjusted price of the security as of the last day of the reported period.

Value or Price - If the security is completely sold out, we show the reported value (or price) prior to the actual period.