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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
AIM
276
Aigen Investment Management
New York
$151K
MAS
277
Meeder Advisory Services
Ohio
$150K
TRCT
278
Tower Research Capital (TRC)
New York
$148K
CCM
279
Coldstream Capital Management
Washington
$148K
MFS
280
Mirabella Financial Services
United Kingdom
$147K
ECM
281
Evergreen Capital Management
Washington
$146K
KCP
282
Kera Capital Partners
California
$146K
UCFA
283
United Capital Financial Advisors
Texas
$145K
GC
284
Guggenheim Capital
Illinois
$134K
CAM
285
Claret Asset Management
Quebec, Canada
$133K
OAM
286
Oxford Asset Management
United Kingdom
$128K
QIM
287
Quantitative Investment Management
Virginia
$128K
Nomura Asset Management
288
Nomura Asset Management
Japan
$127K
GCP
289
GSA Capital Partners
United Kingdom
$127K
ASN
290
Advisory Services Network
Georgia
$127K
Focus Partners Wealth
291
Focus Partners Wealth
Massachusetts
$124K
SO
292
STRS Ohio
Ohio
$124K
HT
293
Headlands Technologies
Illinois
$122K
BPAMU
294
BTG Pactual Asset Management US
New York
$122K
MYAM
295
Meiji Yasuda Asset Management
Japan
$120K
COI
296
Connable Office Inc
Michigan
$119K
Walleye Capital
297
Walleye Capital
New York
$116K
Simplex Trading
298
Simplex Trading
Illinois
$115K
AWF
299
Alpha Wealth Funds
Utah
$114K
AWA
300
ARQ Wealth Advisors
Arizona
$112K