AVTR — AVANTOR INC
Public company
InvestorLens aggregates public filing data to show which tracked investors reported holdings in this stock. Dollar values represent reported position values, not market capitalization, and may be delayed up to 45 days. Not a recommendation.
Sourced from SEC EDGAR public filings
Why are billionaires buying AVTR?
Built from public SEC filings and public economic data. Not a recommendation.
Why? — Evidence & Confidence ▾
Of 4 tracked investors who changed their AVTR position last quarter, 1 bought and 3 sold (25% buy-side). Macro conditions are mixed for this sector (Macro Tailwind 55/100 in a Squeeze regime).
- +1 tracked investor added or increased positions last quarter (Ray Dalio)
- +3 tracked investors reported holding AVTR at their latest filing
- +Macro Health is 55/100 in a Squeeze regime — historically acceptable for this sectorsource
- −3 tracked investors reduced or exited last quarter (2 reduced, 1 sold out)
- −13F data is disclosed up to 45 days after quarter end — positions may have changed since
- · 13F disclosure lag (up to 45 days)
- · Tracked investors are a sample, not the whole market
- · Sector regime fit is a historical average, not a guarantee
Every InvestorLens score shows its evidence — including what argues against it. Model conviction-v1 · generated 8/20/2026.
About AVANTOR INC (AVTR)
AVANTOR INC (AVTR) appears in the most recent 13F filings of 3 tracked institutional investors. The largest disclosed position is held by Izzy Englander (Millennium Management), valued at $130M. Across recent filings, tracked investors recorded 7 new positions, 8 increased, 9 reduced, and 5 exited. All data sourced from SEC 13F filings.
Based on recent institutional activity in AVTR
How many top investors track AVTR
A small number of top investors own this.
AVTR Ownership Composition
How AVANTOR INC is held across tracked investor types, based on reported 13F positions.
- Multi-Strategy / Quant80.8%
- Macro19.2%
Tracked investors currently reporting AVTR
2 tracked investors have since exited this position — listed separately below.
- Izzy EnglanderJun 30, 2026Millennium ManagementShares753.6KValue$7.5M% Portfolio0.00%
- Ken GriffinJun 30, 2026Citadel AdvisorsShares512.9KValue$5.1M% Portfolio0.00%
- Ray DalioJun 30, 2026Bridgewater AssociatesShares301.2KValue$3M% Portfolio0.01%
Previously held AVTR
These investors reported AVTR in an earlier quarter but not in their most recent 13F. Figures below are their last reported position, not a current holding.
| Investor | Firm | Last reported shares | Value then | Last held |
|---|---|---|---|---|
| Steve Cohen | Point72 Asset Management | 2.5M | $31.1M | Sep 30, 2025 |
| Paul Tudor Jones | Tudor Investment Corp | 2.3M | $18.4M | Mar 31, 2026 |
Recent activity
- Reduced$86.9M(-24.28%)Nov 14, 2024
- Reduced$1.2M(-98.34%)Feb 14, 2025
- Increased$88.4M(9694.11%)May 15, 2025
- Reduced$173.3K(-99.76%)Aug 14, 2025
- Increased$42M(35.76%)Feb 17, 2026
- Reduced$19.9M(-30.90%)May 15, 2026
- Reduced$7.5M(-70.28%)Aug 14, 2026
- Reduced$54.8M(-23.65%)Nov 14, 2024
- Increased$16.5M(12.18%)May 15, 2025
- Increased$47M(243.15%)Aug 14, 2025
- Sold$0(-100.00%)Nov 14, 2025
- Reduced$5.1M(-22.65%)Aug 14, 2026
- Sold$0(-100.00%)Feb 14, 2024
- New$1MMay 15, 2026
- Increased$3M(134.94%)Aug 14, 2026
- New$22MAug 14, 2025
- Increased$31.1M(52.45%)Nov 14, 2025
- Sold$0(-100.00%)Feb 17, 2026
- $10.9MAug 14, 2024
- Reduced$463.1K(-96.53%)Nov 14, 2024
- Sold$0(-100.00%)Feb 14, 2025
- $256.1KMay 15, 2025
- Increased$465.7K(118.99%)Aug 14, 2025
- Reduced$394.4K(-8.67%)Dec 9, 2025
- Increased$18.4M(9.15%)May 15, 2026
- Sold$0(-100.00%)Aug 14, 2026
- New$3MNov 13, 2023
- New$58.8MAug 14, 2024
- $129.7MMay 15, 2024
Frequently asked questions
- How many institutional investors hold AVTR?
- 3 tracked institutional investors disclosed a position in AVTR (AVANTOR INC) in their most recent 13F filing.
- Who is the largest institutional holder of AVTR?
- Izzy Englander, Millennium Management, holds the largest disclosed position in AVTR, valued at $130M.
- Did institutional ownership of AVTR increase or decrease?
- Across recent 13F filings, tracked investors recorded 7 new positions, 8 increased, 9 reduced, and 5 fully exited AVTR.
- Where does this AVTR ownership data come from?
- SEC Form 13F-HR filings, accessed via EDGAR. 13F filings are disclosed quarterly with a 45-day reporting delay and cover U.S.-listed long equity positions only. This is not investment advice.