Data from public SEC 13F & STOCK Act filings, delayed up to ~45 days, partial holdings only — for research, not investment advice.
AVTR
AVANTOR INCData as of 2026 Q1 (03-31) · 13F snapshot
Summary
AVANTOR INC (AVTR) is held by 10 tracked hedge-fund managers, a combined reported value of ~$446.99M; the largest are Dan Loeb, Andreas Halvorsen, Steven Cohen. This quarter: 1 new, 1 added, 2 trimmed. 17 members of Congress have disclosed STOCK Act trades. Data as of 2026 Q1, from public SEC 13F filings, delayed up to ~45 days.
Attention · HighThis quarter · Mixed
Gurus holding10
Congress trades17
Price$9.39vs quarter-end+19.77%
Sectors0
This quarter's moves
Top holderDan LoebNew1
Added1
Trimmed / sold2
Dan LoebTrim
Value $282.74M3.7% of portfolio8,360,0002022 Q1
Value $7.67M— of portfolio300,0002024 Q1
Value $4.00M0.2% of portfolio189,6952022 Q4
Value $1.17M— of portfolio55,7002024 Q4
Value $784.0K— of portfolio100,0002026 Q1
Value $497.8K— of portfolio63,5002026 Q1
Value $236.0K— of portfolio30,1002026 Q1
| Investor | Value | % of portfolio | Action |
|---|---|---|---|
| Dan Loeb | $282.74M | 3.7% | Trim |
| Steven CohenPUT | $7.67M | — | — |
| Stanley Druckenmiller | $4.00M | 0.2% | Hold |
| Izzy EnglanderPUT | $1.17M | — | — |
| Izzy EnglanderCALL | $784.0K | — | — |
| Ken GriffinPUT | $497.8K | — | — |
| Ken GriffinCALL | $236.0K | — | — |