Avantor
AVTR
459 hedge funds and large institutions have $6.93B invested in Avantor in 2026 Q2 according to their latest regulatory filings, with 99 funds opening new positions, 189 increasing their positions, 111 reducing their positions, and 66 closing their positions.
84% more call options, than puts
Call options by funds: $9.09M | Put options by funds: $4.95M
70% more repeat investments, than reductions
Existing positions increased: 189 | Existing positions reduced: 111
50% more first-time investments, than exits
New positions opened: 99 | Existing positions closed: 66
33% more funds holding in top 10
Funds holding in top 10: 6 → 8 (+2)
31% more capital invested
Capital invested by funds: $5.31B → $6.93B (+$1.62B)
6% more funds holding
Funds holding: 433 → 459 (+26)
3.34% more ownership
Funds ownership: 99.07% → 102.41% (+3.3%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Marshall Wace
London,
United Kingdom
|
+$83.4M |
| 2 |
VNIM
Vaughan Nelson Investment Management
Houston,
Texas
|
+$63.6M |
| 3 |
AQR Capital Management
Greenwich,
Connecticut
|
+$58.2M |
| 4 |
Invesco
Atlanta,
Georgia
|
+$50M |
| 5 |
EARNEST Partners
Atlanta,
Georgia
|
+$40.7M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Wellington Management Group
Boston,
Massachusetts
|
-$190M |
| 2 |
T. Rowe Price Investment Management
Baltimore,
Maryland
|
-$116M |
| 3 |
Jane Street
New York
|
-$42.7M |
| 4 |
D.E. Shaw & Co
New York
|
-$30.5M |
| 5 |
RS
Robeco Schweiz
Zurich,
Switzerland
|
-$23.4M |
AVTR Hedge Fund Activity: Q2 2026 in Review
459 of the 8,305 institutional investors tracked by Wall St. Rank reported a position in Avantor (AVTR) for Q2 2026, worth a combined $6.93B — up 31% from $5.31B a quarter earlier.
Buyers outnumbered sellers: 99 funds opened new AVTR positions and 66 closed out — a net gain of 33 holders — while 189 added to existing stakes and 111 trimmed.
The largest buyer was Marshall Wace, adding an estimated $83.4M. The largest seller was Wellington Management Group, exiting entirely with an estimated $190M sold.
- 459 institutional investors held Avantor (AVTR) as of Q2 2026, up from 433 in Q1 2026.
- Funds reported $6.93B of Avantor stock for Q2 2026, up 31% quarter-over-quarter.
- 99 funds opened new Avantor positions in Q2 2026 and 66 closed out, a net change of +33 holders.
- The largest Avantor buyer in Q2 2026 was Marshall Wace, an estimated $83.4M added.
- The largest Avantor seller in Q2 2026 was Wellington Management Group, an estimated $190M sold.
Based on aggregated 13F filings for Q2 2026.