Avantor
AVTR
505 hedge funds and large institutions have $9.58B invested in Avantor in 2025 Q2 according to their latest regulatory filings, with 91 funds opening new positions, 219 increasing their positions, 142 reducing their positions, and 64 closing their positions.
86% more funds holding in top 10
Funds holding in top 10: 7 → 13 (+6)
58% more call options, than puts
Call options by funds: $43.6M | Put options by funds: $27.7M
54% more repeat investments, than reductions
Existing positions increased: 219 | Existing positions reduced: 142
42% more first-time investments, than exits
New positions opened: 91 | Existing positions closed: 64
4% more funds holding
Funds holding: 485 → 505 (+20)
2.85% more ownership
Funds ownership: 101.57% → 104.42% (+2.9%)
15% less capital invested
Capital invested by funds: $11.2B → $9.58B (-$1.63B)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Dodge & Cox
San Francisco,
California
|
+$235M |
| 2 |
T. Rowe Price Investment Management
Baltimore,
Maryland
|
+$199M |
| 3 |
EARNEST Partners
Atlanta,
Georgia
|
+$83.4M |
| 4 |
Massachusetts Financial Services
Boston,
Massachusetts
|
+$80.2M |
| 5 |
ECM
Engine Capital Management
New York
|
+$75.3M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
1832 Asset Management
Toronto,
Ontario, Canada
|
-$186M |
| 2 |
UBS Group
Zurich,
Switzerland
|
-$145M |
| 3 |
Janus Henderson Group
London,
|
-$123M |
| 4 |
VLKIM
Van Lanschot Kempen Investment Management
Amsterdam,
Netherlands
|
-$89.3M |
| 5 |
AllianceBernstein
Nashville,
Tennessee
|
-$73.8M |
AVTR Hedge Fund Activity: Q2 2025 in Review
505 of the 7,613 institutional investors tracked by Wall St. Rank reported a position in Avantor (AVTR) for Q2 2025, worth a combined $9.58B — down 15% from $11.2B a quarter earlier.
Buyers outnumbered sellers: 91 funds opened new AVTR positions and 64 closed out — a net gain of 27 holders — while 219 added to existing stakes and 142 trimmed.
The largest buyer was Dodge & Cox, adding an estimated $235M. The largest seller was 1832 Asset Management, cutting an estimated $186M.
- 505 institutional investors held Avantor (AVTR) as of Q2 2025, up from 485 in Q1 2025.
- Funds reported $9.58B of Avantor stock for Q2 2025, down 15% quarter-over-quarter.
- 91 funds opened new Avantor positions in Q2 2025 and 64 closed out, a net change of +27 holders.
- The largest Avantor buyer in Q2 2025 was Dodge & Cox, an estimated $235M added.
- The largest Avantor seller in Q2 2025 was 1832 Asset Management, an estimated $186M sold.
Based on aggregated 13F filings for Q2 2025.