Avantor, Inc.
AVTR- Exchange
- NYSE
- Industry
- Laboratory Analytical Instruments
- SEC CIK
- 0001722482
No open-market purchases or sales by Avantor, Inc. insiders were filed in the last 90 days; 460 institutions reported holding it in 13F filings for Q2 2026, worth $6.92B in total; superinvestors Greenhaven Associates and Southeastern Asset Management (Longleaf) hold it.
13F holders, Q2 2026
Institutional positions in Avantor, Inc. as of Jun 30, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 460
- +33 vs. Q1 2026
- Shares held
- 699.2M
- +23.9M (+3.5%) vs. Q1 2026
- Total value
- $6.92B
- +$1.62B (+30.7%) vs. Q1 2026
- New holders
- 99
- 190 more added
- Sold out
- 66
- 111 more reduced
6 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting AVTR on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 460 | $6.92B |
| Q1 2026 | 433 | $5.30B |
| Q4 2025 | 421 | $7.97B |
| Q3 2025 | 466 | $8.47B |
| Q2 2025 | 506 | $9.58B |
| Q1 2025 | 485 | $11.2B |
| Q4 2024 | 493 | $14.4B |
| Q3 2024 | 520 | $17.7B |
| Q2 2024 | 515 | $13.8B |
| Q1 2024 | 497 | $16.5B |
| Q4 2023 | 472 | $14.8B |
| Q3 2023 | 439 | $13.3B |
| Q2 2023 | 443 | $12.6B |
| Q1 2023 | 467 | $13.0B |
| Q4 2022 | 446 | $12.5B |
| Q3 2022 | 440 | $11.6B |
| Q2 2022 | 484 | $18.5B |
| Q1 2022 | 481 | $19.4B |
| Q4 2021 | 497 | $23.6B |
| Q3 2021 | 476 | $23.0B |
| Q2 2021 | 440 | $18.9B |
| Q1 2021 | 415 | $15.8B |
Institutions, Q2 2026
Shares, value and share of portfolio for each institution holding Avantor, Inc.; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Aigen Investment Management, LP | 0 | $0 | 0.00% | −19,266−100.0% | Sold out |
| Mirabella Financial Services LLP | 0 | $0 | 0.00% | −18,791−100.0% | Sold out |
| Oxford Asset Management LLP | 0 | $0 | 0.00% | −16,346−100.0% | Sold out |
| Quantitative Investment Management, LLC | 0 | $0 | 0.00% | −16,398−100.0% | Sold out |
| Headlands Technologies LLC | 0 | $0 | 0.00% | −15,578−100.0% | Sold out |
| BTG Pactual Asset Management US LLC | 0 | $0 | 0.00% | −15,524−100.0% | Sold out |
| Walleye Capital LLC | 0 | $0 | 0.00% | −14,820−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −14,727−100.0% | Sold out |
| Arq Wealth Advisors, LLC | 0 | $0 | 0.00% | −14,225−100.0% | Sold out |
| Beverly Hills Private Wealth, LLC | 0 | $0 | 0.00% | −14,153−100.0% | Sold out |
| Sig Brokerage, LP | 0 | $0 | 0.00% | −13,777−100.0% | Sold out |
| Perpetual Ltd | 0 | $0 | 0.00% | −13,179−100.0% | Sold out |
| Net Worth Advisory Group | 0 | $0 | 0.00% | −10,145−100.0% | Sold out |
| Caxton Associates LLP | 0 | $0 | 0.00% | −10,055−100.0% | Sold out |
| Storebrand Asset Management AS | 0 | $0 | 0.00% | −5,066−100.0% | Sold out |
| Root Financial Partners, LLC | 0 | $0 | 0.00% | −335−100.0% | Sold out |
| Twin Peaks Wealth Advisors, LLC | 0 | $0 | 0.00% | −260−100.0% | Sold out |
| TD Waterhouse Canada Inc. | 0 | $0 | 0.00% | −261−100.0% | Sold out |
| Spire Wealth Management | 0 | $0 | 0.00% | −162−100.0% | Sold out |
| Bayforest Capital Ltd | 0 | $0 | 0.00% | −121−100.0% | Sold out |
| Country Trust Bank | 0 | $0 | 0.00% | −92−100.0% | Sold out |
| Valued Wealth Advisors LLC | 0 | $0 | 0.00% | −28−100.0% | Sold out |
| Dunhill Financial, LLC | 0 | $0 | 0.00% | −16−100.0% | Sold out |
| Sunrise Financial Services, LLC | 0 | $0 | 0.00% | −10−100.0% | Sold out |
| Annis Gardner Whiting Capital Advisors, LLC | 0 | $0 | 0.00% | −8−100.0% | Sold out |
| Vermillion Wealth Management, Inc. | 0 | $0 | 0.00% | −3−100.0% | Sold out |
| Janus Henderson Group PLC | – | – | – | – | Not filed |
| Leo Wealth, LLC | – | – | – | – | Not filed |
| Skopos Labs, Inc. | – | – | – | – | Not filed |
| CWM, LLC | – | – | – | – | Not filed |
| Journey Strategic Wealth LLC | – | – | – | – | Not filed |
| Sapience Investments, LLC | – | – | – | – | Not filed |