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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

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more first-time investments, than exits

New positions opened: | Existing positions closed:

more funds holding

Funds holding:

less ownership

Funds ownership:

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
Holders Change %
% of All Funds
Holding in Top 10
6
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$4.76M
Puts
$72.8M
Net Calls
Net Calls Change

Top Buyers

1 +$88.6M
2 +$77.3M
3 +$67.8M
4
BlackRock
BlackRock
New York
+$60.1M
5
YAM
Yacktman Asset Management
Texas
+$46.7M
Name Holding Trade Value Shares
Change
Change in
Stake
CLA
176
Carnegie Lake Advisors
New Jersey
$812K
MC
177
Maverick Capital
Texas
$790K
RCG
178
Rock Creek Group
District of Columbia
$784K
GBFG
179
Gerald Baker Financial Group
Texas
$739K
OAM
180
Oppenheimer Asset Management
New York
$699K
HF
181
HRT Financial
New York
$692K
EI
182
EFG International
$686K
TCM
183
Tran Capital Management
California
$681K
RWM
184
Rialto Wealth Management
New York
$662K
STA
185
Summit Trail Advisors
New York
$652K
Massachusetts Financial Services
186
Massachusetts Financial Services
Massachusetts
$649K
HighTower Advisors
187
HighTower Advisors
Illinois
$645K
Lazard Asset Management
188
Lazard Asset Management
New York
$641K
NYLIM
189
New York Life Investment Management
New York
$640K
X
190
Xponance
Pennsylvania
$636K
IIM
191
INTECH Investment Management
Florida
$631K
ACM
192
ADAR1 Capital Management
Texas
$627K
Pacer Advisors
193
Pacer Advisors
Pennsylvania
$615K
QC
194
Quadrature Capital
United Kingdom
$602K
ADEF
195
ABS Direct Equity Fund
Connecticut
$588K
MWM
196
Modera Wealth Management
New Jersey
$555K
WG
197
Winton Group
United Kingdom
$534K
Public Employees Retirement Association of Colorado
198
Public Employees Retirement Association of Colorado
Colorado
$532K
SOADOR
199
State of Alaska Department of Revenue
Alaska
$528K
LPL Financial
200
LPL Financial
California
$527K