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Avantor

429 hedge funds and large institutions have $5.3B invested in Avantor in 2026 Q1 according to their latest regulatory filings, with 91 funds opening new positions, 166 increasing their positions, 127 reducing their positions, and 73 closing their positions.

New
Increased
Maintained
Reduced
Closed

31% more repeat investments, than reductions

Existing positions increased: 166 | Existing positions reduced: 127

25% more first-time investments, than exits

New positions opened: 91 | Existing positions closed: 73

2% more funds holding

Funds holding: 419429 (+10)

2.86% less ownership

Funds ownership: 101.89%99.03% (-2.9%)

14% less funds holding in top 10

Funds holding in top 10: 76 (-1)

34% less capital invested

Capital invested by funds: $7.98B → $5.3B (-$2.67B)

93% less call options, than puts

Call options by funds: $4.76M | Put options by funds: $72.8M

Holders
429
Holders Change
+10
Holders Change %
+2.39%
% of All Funds
5.28%
Holding in Top 10
6
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-14.29%
% of All Funds
0.07%
New
91
Increased
166
Reduced
127
Closed
73
Calls
$4.76M
Puts
$72.8M
Net Calls
-$68M
Net Calls Change
-$29.3M
Name Holding Trade Value Shares
Change
Change in
Stake
SEI Investments
26
SEI Investments
Pennsylvania
$41.5M +$460K +46,707 +0.9%
Jane Street
27
Jane Street
New York
$38.9M +$11.2M +1,134,645 +30%
GJL
28
Gendell Jeffrey L
$38.6M +$43M +4,372,270 +802%
AQR Capital Management
29
AQR Capital Management
Connecticut
$37.7M +$4.68M +475,611 +11%
YAM
30
Yacktman Asset Management
Texas
$37.2M +$46.7M +4,745,000 New
VC
31
Voss Capital
Texas
$34.9M +$3.39M +344,293 +8%
Bank of New York Mellon
32
Bank of New York Mellon
New York
$34.6M +$10.6K +1,077 +0%
BAM
33
Brickwood Asset Management
United Kingdom
$34M +$11.3M +1,152,969 +36%
VFT
34
Vanguard Fiduciary Trust
Pennsylvania
$33.1M +$41.6M +4,227,746 New
RS
35
Robeco Schweiz
Switzerland
$32.8M -$30.4M -3,091,425 -42%
Ameriprise
36
Ameriprise
Minnesota
$32.3M +$4.82M +489,998 +14%
VOYA Investment Management
37
VOYA Investment Management
Georgia
$29.3M -$12M -1,223,152 -25%
Goldman Sachs
38
Goldman Sachs
New York
$29.1M +$27.4M +2,780,355 +298%
UBS Group
39
UBS Group
Switzerland
$28.7M -$40.1M -4,071,619 -53%
SAM
40
Southeastern Asset Management
Tennessee
$27.6M -$279K -28,306 -0.8%
Marshall Wace
41
Marshall Wace
United Kingdom
$27M +$33.8M +3,437,833 New
EP
42
Eversept Partners
New York
$23.3M -$1.99M -202,357 -6%
FGP
43
Freestone Grove Partners
California
$21.9M +$2.04M +207,151 +8%
PMG
44
Private Management Group
California
$21.4M +$2.72M +276,136 +11%
PGP
45
Prescott General Partners
Florida
$20.4M +$25.6M +2,600,000 New
Natixis Advisors
46
Natixis Advisors
Massachusetts
$19.9M +$4.13M +419,852 +20%
Millennium Management
47
Millennium Management
New York
$19.1M -$12.1M -1,233,717 -34%
Tudor Investment Corp
48
Tudor Investment Corp
Connecticut
$18.4M +$19.9M +2,021,043 +625%
Jones Financial Companies
49
Jones Financial Companies
Missouri
$17.3M +$22.9M +2,329,658 +210,068%
UBS AM
50
UBS AM
Illinois
$16.8M +$532K +54,103 +3%