AVANTOR INC AVTR
COM · Common Stock · CUSIP 05352A100 · ISIN US05352A1007
U.S. chemical company
- SectorTechnology
- IndustryLaboratory Analytical Instruments
- HeadquartersRadnor, PA
- Websiteavantorsciences.com
- FilingsSEC EDGAR
* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($83.4m this quarter). Holder counts are more reliable. Shares outstanding: 679.8m as of 2024-07-22, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $21.20. Options: 24 managers hold calls ($97.6m notional), 18 hold puts ($149.7m).
Trends to Q2 2024
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2022 | 440 |
| Q4 2022 | 445 |
| Q1 2023 | 467 |
| Q2 2023 | 444 |
| Q3 2023 | 441 |
| Q4 2023 | 473 |
| Q1 2024 | 498 |
| Q2 2024 | 517 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q4 2022 | 242 | 202 |
| Q1 2023 | 257 | 207 |
| Q2 2023 | 215 | 223 |
| Q3 2023 | 229 | 187 |
| Q4 2023 | 228 | 212 |
| Q1 2024 | 261 | 198 |
| Q2 2024 | 260 | 225 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q3 2023 | $79.0m | $74.9m | 0.95 |
| Q4 2023 | $96.1m | $47.1m | 0.49 |
| Q1 2024 | $43.3m | $315.6m | 7.29 |
| Q2 2024 | $97.6m | $149.7m | 1.53 |
Biggest buyers
| T. Rowe Price Investment Management, Inc. | Added | +18.6m |
| 1832 Asset Management L.P. | Added | +8.0m |
| Sound Shore Management Inc /CT/ | New | +3.6m |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | +2.8m |
| Dodge & Cox | Added | +1.7m |
| CITADEL ADVISORS LLC | Added | +1.7m |
| CANADA PENSION PLAN INVESTMENT BOARD | Added | +1.5m |
| Qube Research & Technologies Ltd | Added | +1.4m |
| BlackRock Inc. | Added | +1.2m |
| JENNISON ASSOCIATES LLC | Added | +1.0m |
Biggest sellers
| Boston Partners | Reduced | -9.3m |
| MORGAN STANLEY | Reduced | -5.9m |
| Woodline Partners LP | Sold out | -2.8m |
| WESTFIELD CAPITAL MANAGEMENT CO LP | Reduced | -2.5m |
| MILLENNIUM MANAGEMENT LLC | Reduced | -2.5m |
| Durable Capital Partners LP | Reduced | -2.5m |
| Point72 Asset Management, L.P. | Sold out | -2.3m |
| Castle Hook Partners LP | Sold out | -2.0m |
| Artisan Partners Limited Partnership | Sold out | -1.9m |
| MARSHALL WACE, LLP | Reduced | -1.8m |
Biggest calls
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | $19.0m895.3k shares |
| BARCLAYS PLC | New | $15.4m725.5k shares |
| MOORE CAPITAL MANAGEMENT, LP | New | $12.7m600.0k shares |
| MILLENNIUM MANAGEMENT LLC | Added | $9.8m463.8k shares |
| Parallax Volatility Advisers, L.P. | New | $5.7m270.0k shares |
| IMC-Chicago, LLC | Added | $4.5m212.2k shares |
| PEAK6 Investments LLC | Reduced | $3.9m184.6k shares |
| CITADEL ADVISORS LLC | Added | $3.8m180.4k shares |
| SIMPLEX TRADING, LLC | Added | $3.8m180.4k shares |
| JPMORGAN CHASE & CO | New | $3.8m180.0k shares |
Biggest puts
| JANE STREET GROUP, LLC | Reduced | $35.4m1.7m shares |
| MILLENNIUM MANAGEMENT LLC | New | $29.9m1.4m shares |
| Parallax Volatility Advisers, L.P. | New | $21.9m1.0m shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | $19.2m906.6k shares |
| CITADEL ADVISORS LLC | Reduced | $13.0m614.4k shares |
| SG Capital Management LLC | New | $5.3m250.0k shares |
| PEAK6 Investments LLC | Reduced | $5.0m234.1k shares |
| SIMPLEX TRADING, LLC | Reduced | $4.6m217.7k shares |
| IMC-Chicago, LLC | Added | $4.5m214.1k shares |
| JPMORGAN CHASE & CO | New | $3.8m180.0k shares |
Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.
Major shareholders (over 5%)
Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.
| Holder | Stake |
|---|---|
| DODGE & COX 13G · institution +2.6 pts · filed 2025-08-13 | 17.2% |
| BlackRock, Inc. 13G · institution filed 2025-10-17 | 8.7% |
| VANGUARD CAPITAL MANAGEMENT LLC 13G · institution new · filed 2026-04-29 | 5.3% |
Fell to 5% or below in the last year: VANGUARD GROUP INC (0.0%, 2026-03-26; now reported by VANGUARD CAPITAL MANAGEMENT LLC), BARROW HANLEY MEWHINNEY & STRAUSS LLC (4.9%, 2026-02-11), T. Rowe Price Investment Management, Inc. (4.8%, 2025-11-14)
Insider purchases and sales in Q2 2024
Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.
Officers and directors buying vs selling
Number of people, by quarter (10% owners not included)
Numbers
| Quarter | Buying | Bought | Selling | Sold | Sold under a plan |
|---|---|---|---|---|---|
| Q3 2022 | 0 | — | 0 | — | — |
| Q4 2022 | 2 | $573.1k | 0 | — | — |
| Q1 2023 | 0 | — | 2 | $1.1m | — |
| Q2 2023 | 0 | — | 1 | $31.7k | $31.7k |
| Q3 2023 | 0 | — | 2 | $693.1k | — |
| Q4 2023 | 0 | — | 0 | — | — |
| Q1 2024 | 0 | — | 3 | $687.5k | $94.4k |
| Q2 2024 | 0 | — | 0 | — | — |
None reported in Q2 2024.
Holders, Q2 2024
| Manager | Shares | Change |
|---|---|---|
| T. Rowe Price Investment Management, Inc. 0.93% of their portfolio | 69.7m $1.5bn | Added +18.6m |
| Dodge & Cox 0.83% of their portfolio | 65.4m $1.4bn | Added +1.7m |
| VANGUARD GROUP INC 0.03% of their portfolio | 64.2m $1.4bn | Reduced -202.2k |
| BlackRock Inc. 0.02% of their portfolio | 44.0m $933.0m | Added +1.2m |
| CANADA PENSION PLAN INVESTMENT BOARD 0.48% of their portfolio | 22.9m $486.1m | Added +1.5m |
| BARROW HANLEY MEWHINNEY & STRAUSS LLC 1.61% of their portfolio | 22.3m $472.4m | Reduced -1.3m |
| Boston Partners 0.51% of their portfolio | 19.2m $407.5m | Reduced -9.3m |
| JANUS HENDERSON GROUP PLC 0.17% of their portfolio | 15.0m $317.4m | Added +716.1k |
| STATE STREET CORP 0.01% of their portfolio | 14.2m $300.2m | Added +193.5k |
| New Mountain Capital, L.L.C. 19.92% of their portfolio | 14.0m $296.8m | Unchanged |
| GEODE CAPITAL MANAGEMENT, LLC 0.02% of their portfolio | 10.4m $220.3m | Added +186.5k |
| Invesco Ltd. 0.04% of their portfolio | 9.9m $209.2m | Reduced -886.9k |
| 1832 Asset Management L.P. 0.33% of their portfolio | 8.5m $180.8m | Added +8.0m |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.05% of their portfolio | 8.4m $177.8m | Added +678.6k |
| NORGES BANK 0.03% of their portfolio | 8.1m $172.1m | Reduced -76.1k |
| Artemis Investment Management LLP 2.30% of their portfolio | 8.1m $171.1m | Reduced -1.1m |
| BESSEMER GROUP INC 0.28% of their portfolio | 7.5m $159.6m | Added +429.5k |
| BANK OF AMERICA CORP /DE/ 0.01% of their portfolio | 6.9m $145.3m | Added +523.2k |
| VOYA INVESTMENT MANAGEMENT LLC 0.13% of their portfolio | 6.1m $129.9m | Reduced -266.9k |
| Durable Capital Partners LP 1.05% of their portfolio | 6.0m $128.0m | Reduced -2.5m |
| Pictet Asset Management Holding SA 0.15% of their portfolio | 6.0m $127.8m | Added +197.4k |
| Robeco Schweiz AG 2.45% of their portfolio | 6.0m $127.3m | Added +287.7k |
| Clarkston Capital Partners, LLC 2.33% of their portfolio | 5.8m $122.1m | Reduced -91.2k |
| CCLA Investment Management 1.69% of their portfolio | 5.1m $109.6m | Added +408.4k |
| TrinityBridge Ltd 3.23% of their portfolio | 4.5m $95.1m | Added +723.9k |
| DIMENSIONAL FUND ADVISORS LP 0.02% of their portfolio | 4.4m $94.0m | Added +350.2k |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.16% of their portfolio | 4.2m $89.8m | Added +2.8m |
| Legal & General Group Plc 0.02% of their portfolio | 3.9m $83.7m | Reduced -92.9k |
| NORTHERN TRUST CORP 0.01% of their portfolio | 3.9m $81.8m | Added +220.9k |
| ALLIANCEBERNSTEIN L.P. 0.03% of their portfolio | 3.7m $78.4m | Reduced -69.1k |
| Sound Shore Management Inc /CT/ 2.55% of their portfolio | 3.6m $76.4m | New |
| Thrivent Financial for Lutherans 0.15% of their portfolio | 3.6m $76.4m | Reduced -96.6k |
| JENNISON ASSOCIATES LLC 0.05% of their portfolio | 3.5m $74.9m | Added +1.0m |
| MORGAN STANLEY 0.01% of their portfolio | 3.4m $71.9m | Reduced -5.9m |
| BROWN BROTHERS HARRIMAN & CO 0.53% of their portfolio | 3.4m $71.1m | Added +600 |
| SILVERCREST ASSET MANAGEMENT GROUP LLC 0.47% of their portfolio | 3.2m $68.7m | Reduced -404.5k |
| TD Asset Management Inc 0.06% of their portfolio | 3.2m $68.7m | Added +98.2k |
| Avidity Partners Management LP 2.78% of their portfolio | 3.1m $65.4m | Added +391.0k |
| Holocene Advisors, LP 0.27% of their portfolio | 3.1m $65.2m | Reduced -623.3k |
| PARNASSUS INVESTMENTS, LLC 0.14% of their portfolio | 3.0m $62.8m | Reduced -253.1k |
| VAN LANSCHOT KEMPEN INVESTMENT MANAGEMENT N.V. 0.69% of their portfolio | 2.9m $61.5m | Added +416.3k |
| Standard Investments LLC 3.56% of their portfolio | 2.9m $61.3m | Unchanged |
| Public Sector Pension Investment Board 0.38% of their portfolio | 2.8m $60.2m | Unchanged |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.01% of their portfolio | 2.8m $60.0m | Added +197.9k |
| WESTFIELD CAPITAL MANAGEMENT CO LP 0.29% of their portfolio | 2.7m $58.1m | Reduced -2.5m |
| SHAPIRO CAPITAL MANAGEMENT LLC 1.73% of their portfolio | 2.7m $57.0m | Reduced -224.2k |
| DAVENPORT & Co LLC 0.36% of their portfolio | 2.7m $56.5m | Added +13.7k |
| MILLENNIUM MANAGEMENT LLC 0.04% of their portfolio | 2.6m $54.3m | Reduced -2.5m |
| Clearbridge Investments, LLC 0.04% of their portfolio | 2.4m $51.7m | Reduced -449.8k |
| JPMORGAN CHASE & CO 0.00% of their portfolio | 2.3m $49.3m | Added +937.5k |
| Bank of New York Mellon Corp 0.01% of their portfolio | 2.3m $49.3m | Added +35.5k |
| Swiss National Bank 0.03% of their portfolio | 2.0m $42.6m | Reduced -14.7k |
| Nuveen Asset Management, LLC 0.01% of their portfolio | 2.0m $42.0m | Added +532.1k |
| CITADEL ADVISORS LLC 0.04% of their portfolio | 2.0m $41.9m | Added +1.7m |
| FRONTIER CAPITAL MANAGEMENT CO LLC 0.40% of their portfolio | 1.9m $40.8m | Reduced -834.0k |
| COUNTRY TRUST BANK 1.02% of their portfolio | 1.9m $40.4m | Added +274.8k |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main 0.04% of their portfolio | 1.8m $38.2m | Reduced -901.9k |
| Amundi 0.01% of their portfolio | 1.8m $37.2m | Reduced -124.8k |
| AMERICAN CENTURY COMPANIES INC 0.02% of their portfolio | 1.6m $34.8m | Added +42.9k |
| HAWK RIDGE CAPITAL MANAGEMENT LP 1.50% of their portfolio | 1.6m $34.8m | Added +257.4k |
| DEUTSCHE BANK AG\ 0.01% of their portfolio | 1.5m $32.7m | Added +19.3k |
| Sumitomo Mitsui Trust Group, Inc. 0.02% of their portfolio | 1.5m $32.5m | Reduced -63.8k |
| JANE STREET GROUP, LLC 0.04% of their portfolio | 1.5m $32.4m | Reduced -1.0m |
| Impax Asset Management Group plc 0.13% of their portfolio | 1.5m $31.4m | Reduced -344.6k |
| Qube Research & Technologies Ltd 0.06% of their portfolio | 1.5m $30.9m | Added +1.4m |
| MACQUARIE GROUP LTD 0.03% of their portfolio | 1.4m $30.5m | Added +175.6k |
| NEUBERGER BERMAN GROUP LLC 0.02% of their portfolio | 1.4m $30.0m | Added +763.1k |
| NEW SOUTH CAPITAL MANAGEMENT INC 1.33% of their portfolio | 1.4m $29.8m | Reduced -5.8k |
| Alyeska Investment Group, L.P. 0.16% of their portfolio | 1.3m $28.5m | Added +202.1k |
| Balyasny Asset Management L.P. 0.07% of their portfolio | 1.3m $27.5m | Reduced -1.4m |
| Russell Investments Group, Ltd. 0.04% of their portfolio | 1.3m $27.6m | Reduced -296 |
| Perpetual Ltd 0.29% of their portfolio | 1.3m $27.1m | Added +17.3k |
| GREAT LAKES ADVISORS, LLC 0.24% of their portfolio | 1.3m $26.8m | Reduced -120.0k |
| National Pension Service 0.03% of their portfolio | 1.2m $25.8m | Added +88.4k |
| VAUGHAN NELSON INVESTMENT MANAGEMENT, L.P. 0.23% of their portfolio | 1.2m $25.1m | Reduced -12.2k |
| FRANKLIN RESOURCES INC 0.01% of their portfolio | 1.2m $25.1m | Reduced -191.0k |
| California Public Employees Retirement System 0.02% of their portfolio | 1.2m $25.0m | Reduced -38.5k |
| Allspring Global Investments Holdings, LLC 0.04% of their portfolio | 1.2m $24.5m | Added +300.6k |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.03% of their portfolio | 1.1m $23.3m | Added +30.2k |
| ENVESTNET ASSET MANAGEMENT INC 0.01% of their portfolio | 1.1m $23.3m | Added +18.7k |
| DUDLEY & SHANLEY, INC. 3.96% of their portfolio | 1.1m $23.0m | Reduced -25.2k |
| RAYMOND JAMES & ASSOCIATES 0.02% of their portfolio | 1.1m $22.9m | Reduced -44.9k |
| UBS Group AG 0.01% of their portfolio | 1.1m $22.7m | Reduced -159.7k |
| PRINCIPAL FINANCIAL GROUP INC 0.01% of their portfolio | 1.1m $22.6m | Reduced -90.0k |
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC 0.06% of their portfolio | 1.1m $22.3m | Added +6.4k |
| TWINBEECH CAPITAL LP 0.43% of their portfolio | 1.0m $21.8m | New |
| Aberdeen Group plc 0.04% of their portfolio | 1.0m $21.5m | Added +218.6k |
| ADAGE CAPITAL PARTNERS GP, L.L.C. 0.04% of their portfolio | 1.0m $21.2m | Added +199.9k |
| MOORE CAPITAL MANAGEMENT, LP 0.46% of their portfolio | 1.0m $21.2m | Added +50.0k |
| SEI INVESTMENTS CO 0.03% of their portfolio | 979.9k $20.8m | Added +300.1k |
| GOLDMAN SACHS GROUP INC 0.00% of their portfolio | 953.6k $20.2m | Added +152.2k |
| Zuckerman Investment Group, LLC 2.25% of their portfolio | 918.2k $19.5m | Added +21.5k |
| Thematics Asset Management 0.75% of their portfolio | 865.0k $18.3m | Unchanged |
| WELLINGTON MANAGEMENT GROUP LLP 0.00% of their portfolio | 856.5k $18.2m | Reduced -2.0k |
| Ensign Peak Advisors, Inc 0.03% of their portfolio | 822.1k $17.4m | Added +256.6k |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE 0.02% of their portfolio | 820.1k $17.4m | Added +460.7k |
| Skandinaviska Enskilda Banken AB (publ) 0.08% of their portfolio | 796.9k $16.9m | Unchanged |
| FEDERATED HERMES, INC. 0.04% of their portfolio | 791.4k $16.8m | Reduced -144.1k |
| RHUMBLINE ADVISERS 0.02% of their portfolio | 785.3k $16.6m | Added +4.8k |
| Parallax Volatility Advisers, L.P. 0.42% of their portfolio | 781.0k $16.6m | New |