Which hedge funds own AVTR? AVANTOR INC, Q2 2026 13F holders
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9 of the hedge funds tracked by WhaleCreep disclosed a position in AVTR (AVANTOR INC) in their Q2 2026 13F filings, worth $521.8m in total. The largest holder by portfolio weight is Greenhaven Associates at 2.8% of its book. 1 manager opened a new position this quarter: Melqart. 5 exited: Brevan Howard Capital Management, Maverick Capital, Moore Capital Management.
9tracked managers holding
1opened this quarter
5exited this quarter
Which hedge funds hold AVTR? Current holders by portfolio weight
| Manager | As of | Weight of book | Value | Shares | Δ shares | Action |
|---|---|---|---|---|---|---|
| Greenhaven Associates | Q2 2026 | 2.8% | $243.9m | 24,637,310 | 9% | added |
| Voss Capital | Q2 2026 | 1.3% | $26.2m | 2,650,000 | -40% | reduced |
| Southeastern Asset Management | Q2 2026 | 1.3% | $6.2m | 4,725,478 | 34% | added |
| Melqart | Q2 2026 | 0.6% | $6.3m | 635,800 | – | new |
| Marshall Wace | Q2 2026 | 0.1% | $130.0m | 13,130,158 | 282% | added |
| D. E. Shaw & Co | Q2 2026 | 0.1% | $94.8m | 9,571,523 | -27% | reduced |
| Bridgewater Associates | Q2 2026 | 0.0% | $3.0m | 301,219 | 135% | added |
| Millennium Management | Q2 2026 | 0.0% | $7.5m | 753,575 | -69% | reduced |
| Citadel Advisors | Q2 2026 | 0.0% | $4.0m | 399,147 | -30% | reduced |
Exited since the previous quarter
| Manager | Prior weight | Prior value |
|---|---|---|
| Brevan Howard Capital Management | 0.3% | $3.3m |
| Maverick Capital | 0.1% | $790.4k |
| Moore Capital Management | 0.1% | $902.8k |
| Tudor Investment | 1.2% | $18.4m |
| Woodline Partners | 0.2% | $5.9m |
How has hedge fund ownership of AVTR changed?
| Quarter | Managers holding | Combined value |
|---|---|---|
| Q2 2026 | 9 | $521.8m |
| Q1 2026 | 13 | $402.4m |
| Q4 2025 | 6 | $302.0m |
| Q3 2025 | 9 | $453.1m |
| Q2 2025 | 7 | $126.5m |
| Q1 2025 | 5 | $89.3m |
| Q4 2024 | 6 | $165.6m |
| Q3 2024 | 4 | $262.6m |
| Q2 2024 | 7 | $298.6m |
| Q1 2024 | 9 | $550.9m |
| Q4 2023 | 7 | $271.3m |
| Q3 2023 | 7 | $187.0m |
| Q2 2023 | 9 | $47.6m |
| Q1 2023 | 12 | $309.3m |
| Q4 2022 | 12 | $418.7m |
| Q3 2022 | 13 | $627.2m |
Counts every tracked manager that disclosed AVTR in that quarter's filing, including managers that have since stopped filing.