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 ($98.5m this quarter). Holder counts are more reliable. Shares outstanding: 680.6m as of 2024-10-21, 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 ≈ $25.83. Options: 25 managers hold calls ($78.2m notional), 25 hold puts ($273.2m).
Trends to Q3 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 |
| Q3 2024 | 521 |
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 |
| Q3 2024 | 277 | 242 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q4 2023 | $96.1m | $47.1m | 0.49 |
| Q1 2024 | $43.3m | $315.6m | 7.29 |
| Q2 2024 | $97.6m | $149.7m | 1.53 |
| Q3 2024 | $78.2m | $273.2m | 3.49 |
Biggest buyers
| STATE STREET CORP | Added | +8.2m |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE | Added | +5.4m |
| FMR LLC | Added | +4.0m |
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | Added | +3.8m |
| Dodge & Cox | Added | +3.1m |
| JANUS HENDERSON GROUP PLC | Added | +2.7m |
| Bank of New York Mellon Corp | Added | +2.4m |
| Durable Capital Partners LP | Added | +2.0m |
| LAZARD ASSET MANAGEMENT LLC | Added | +1.8m |
| PRINCIPAL FINANCIAL GROUP INC | Added | +1.6m |
Biggest sellers
| Artemis Investment Management LLP | Reduced | -4.0m |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | -3.9m |
| Holocene Advisors, LP | Sold out | -3.1m |
| Public Sector Pension Investment Board | Sold out | -2.8m |
| T. Rowe Price Investment Management, Inc. | Reduced | -2.6m |
| CANADA PENSION PLAN INVESTMENT BOARD | Reduced | -2.0m |
| SHAPIRO CAPITAL MANAGEMENT LLC | Reduced | -1.9m |
| Avidity Partners Management LP | Reduced | -1.9m |
| HAWK RIDGE CAPITAL MANAGEMENT LP | Sold out | -1.6m |
| JENNISON ASSOCIATES LLC | Reduced | -1.6m |
Biggest calls
| MOORE CAPITAL MANAGEMENT, LP | Added | $20.0m775.0k shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | $14.6m565.3k shares |
| SIMPLEX TRADING, LLC | Added | $5.8m223.6k shares |
| CITADEL ADVISORS LLC | Added | $4.9m187.7k shares |
| JPMORGAN CHASE & CO | Unchanged | $4.7m180.0k shares |
| PEAK6 Investments LLC | Reduced | $4.2m162.7k shares |
| Jefferies Financial Group Inc. | New | $3.9m150.0k shares |
| IMC-Chicago, LLC | Reduced | $3.0m117.0k shares |
| MILLENNIUM MANAGEMENT LLC | Reduced | $3.0m115.0k shares |
| JANE STREET GROUP, LLC | Added | $2.9m113.1k shares |
Biggest puts
| JANE STREET GROUP, LLC | Added | $52.2m2.0m shares |
| ROYAL BANK OF CANADA | New | $42.6m1.6m shares |
| MILLENNIUM MANAGEMENT LLC | Reduced | $31.7m1.2m shares |
| SG Capital Management LLC | Added | $25.9m1.0m shares |
| BARCLAYS PLC | New | $22.4m865.5k shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | $21.7m840.4k shares |
| Jefferies Financial Group Inc. | New | $18.2m705.0k shares |
| SIMPLEX TRADING, LLC | Added | $8.9m342.9k shares |
| CITADEL ADVISORS LLC | Reduced | $8.1m312.8k shares |
| Caption Management, LLC | New | $7.2m280.0k 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 Q3 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 |
|---|---|---|---|---|---|
| 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 | — | — |
| Q3 2024 | 0 | — | 2 | $361.1k | $272.8k |
| Date | Insider | Trade | Value |
|---|---|---|---|
| 2024-09-05 | Eck Steven W SVP & Chief Accounting Officer | Sold | $88.3k3.5k shares |
| 2024-07-31 | Couturier Christophe EVP, AMEA | Sold plan | $2.8k100 shares |
| 2024-07-30 | Couturier Christophe EVP, AMEA | Sold plan | $270.0k10.0k shares |
Their holding: how much the trade added to or took from the insider's holding (direct, or the trust or fund named). The same trade is sometimes reported by more than one insider, such as a fund and the director who represents it; totals count it once. A value is left blank where the reported price is far from the market price (usually a typo).
Holders, Q3 2024
| Manager | Shares | Change |
|---|---|---|
| BlackRock, Inc. 0.04% of their portfolio | 72.9m $1.9bn | First filing |
| Dodge & Cox 1.00% of their portfolio | 68.4m $1.8bn | Added +3.1m |
| T. Rowe Price Investment Management, Inc. 1.05% of their portfolio | 67.1m $1.7bn | Reduced -2.6m |
| VANGUARD GROUP INC 0.03% of their portfolio | 62.8m $1.6bn | Reduced -1.5m |
| STATE STREET CORP 0.02% of their portfolio | 22.4m $578.7m | Added +8.2m |
| BARROW HANLEY MEWHINNEY & STRAUSS LLC 1.83% of their portfolio | 21.6m $558.6m | Reduced -689.7k |
| CANADA PENSION PLAN INVESTMENT BOARD 0.51% of their portfolio | 20.9m $541.3m | Reduced -2.0m |
| Boston Partners 0.58% of their portfolio | 19.1m $494.3m | Reduced -104.6k |
| JANUS HENDERSON GROUP PLC 0.23% of their portfolio | 17.7m $457.7m | Added +2.7m |
| New Mountain Capital, L.L.C. 21.20% of their portfolio | 14.0m $362.2m | Unchanged |
| GEODE CAPITAL MANAGEMENT, LLC 0.02% of their portfolio | 11.2m $287.8m | Added +739.7k |
| Invesco Ltd. 0.05% of their portfolio | 9.5m $244.9m | Reduced -402.2k |
| 1832 Asset Management L.P. 0.39% of their portfolio | 9.1m $234.1m | Added +520.9k |
| NORGES BANK 0.03% of their portfolio | 8.1m $209.2m | Reduced -27.8k |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.05% of their portfolio | 8.1m $209.2m | Reduced -298.6k |
| Durable Capital Partners LP 1.51% of their portfolio | 8.0m $206.8m | Added +2.0m |
| BESSEMER GROUP INC 0.33% of their portfolio | 7.7m $197.9m | Added +121.0k |
| Robeco Schweiz AG 3.28% of their portfolio | 6.8m $175.0m | Added +756.8k |
| BANK OF AMERICA CORP /DE/ 0.01% of their portfolio | 6.5m $167.0m | Reduced -400.5k |
| Pictet Asset Management Holding SA 0.18% of their portfolio | 6.4m $165.1m | Added +354.7k |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE 0.14% of their portfolio | 6.2m $159.7m | Added +5.4m |
| VOYA INVESTMENT MANAGEMENT LLC 0.16% of their portfolio | 5.9m $152.2m | Reduced -245.2k |
| Clarkston Capital Partners, LLC 2.70% of their portfolio | 5.7m $146.7m | Reduced -87.9k |
| DIMENSIONAL FUND ADVISORS LP 0.03% of their portfolio | 5.5m $141.7m | Added +1.0m |
| CCLA Investment Management 1.69% of their portfolio | 5.1m $109.6m | Unchanged |
| NORTHERN TRUST CORP 0.02% of their portfolio | 5.1m $131.1m | Added +1.2m |
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC 0.31% of their portfolio | 4.9m $125.9m | Added +3.8m |
| Bank of New York Mellon Corp 0.02% of their portfolio | 4.8m $123.2m | Added +2.4m |
| FMR LLC 0.01% of their portfolio | 4.7m $120.9m | Added +4.0m |
| TrinityBridge Ltd 3.70% of their portfolio | 4.6m $120.2m | Added +160.2k |
| Legal & General Group Plc 0.03% of their portfolio | 4.4m $112.9m | Added +417.8k |
| MORGAN STANLEY 0.01% of their portfolio | 4.3m $110.7m | Added +889.6k |
| ALLIANCEBERNSTEIN L.P. 0.04% of their portfolio | 4.3m $110.0m | Added +550.5k |
| Artemis Investment Management LLP 1.60% of their portfolio | 4.0m $104.5m | Reduced -4.0m |
| Sound Shore Management Inc /CT/ 2.96% of their portfolio | 3.5m $91.1m | Reduced -82.2k |
| TD Asset Management Inc 0.08% of their portfolio | 3.3m $86.0m | Added +88.6k |
| Thrivent Financial for Lutherans 0.16% of their portfolio | 3.3m $84.7m | Reduced -329.6k |
| JPMORGAN CHASE & CO 0.00% of their portfolio | 3.1m $80.7m | Added +794.5k |
| SILVERCREST ASSET MANAGEMENT GROUP LLC 0.55% of their portfolio | 3.1m $80.5m | Reduced -129.7k |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.01% of their portfolio | 3.0m $76.4m | Added +121.8k |
| BROWN BROTHERS HARRIMAN & CO 0.51% of their portfolio | 2.9m $75.4m | Reduced -437.8k |
| VAN LANSCHOT KEMPEN INVESTMENT MANAGEMENT N.V. 0.76% of their portfolio | 2.9m $75.0m | Reduced -4.2k |
| Standard Investments LLC 3.83% of their portfolio | 2.9m $74.8m | Unchanged |
| PRINCIPAL FINANCIAL GROUP INC 0.04% of their portfolio | 2.6m $68.0m | Added +1.6m |
| WESTFIELD CAPITAL MANAGEMENT CO LP 0.29% of their portfolio | 2.4m $63.1m | Reduced -302.5k |
| DAVENPORT & Co LLC 0.36% of their portfolio | 2.3m $60.7m | Reduced -305.2k |
| Clearbridge Investments, LLC 0.05% of their portfolio | 2.2m $57.5m | Reduced -219.1k |
| PARNASSUS INVESTMENTS, LLC 0.12% of their portfolio | 2.1m $55.3m | Reduced -822.7k |
| GOLDMAN SACHS GROUP INC 0.01% of their portfolio | 2.0m $52.6m | Added +1.1m |
| MILLENNIUM MANAGEMENT LLC 0.05% of their portfolio | 2.0m $52.3m | Reduced -539.8k |
| Swiss National Bank 0.03% of their portfolio | 2.0m $52.2m | Added +5.2k |
| JENNISON ASSOCIATES LLC 0.03% of their portfolio | 1.9m $50.4m | Reduced -1.6m |
| RHUMBLINE ADVISERS 0.04% of their portfolio | 1.9m $48.9m | Added +1.1m |
| COUNTRY TRUST BANK 1.16% of their portfolio | 1.8m $47.6m | Reduced -64.3k |
| LAZARD ASSET MANAGEMENT LLC 0.06% of their portfolio | 1.8m $47.2m | Added +1.8m |
| Amundi 0.02% of their portfolio | 1.7m $41.9m | Reduced -80.5k |
| CITADEL ADVISORS LLC 0.04% of their portfolio | 1.6m $41.8m | Reduced -361.6k |
| DEUTSCHE BANK AG\ 0.02% of their portfolio | 1.6m $41.3m | Added +55.8k |
| AMERICAN CENTURY COMPANIES INC 0.02% of their portfolio | 1.6m $41.1m | Reduced -52.5k |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main 0.04% of their portfolio | 1.6m $40.4m | Reduced -240.7k |
| Sumitomo Mitsui Trust Group, Inc. 0.03% of their portfolio | 1.5m $39.5m | Reduced -5.7k |
| MACQUARIE GROUP LTD 0.04% of their portfolio | 1.5m $39.3m | Added +82.8k |
| FRONTIER CAPITAL MANAGEMENT CO LLC 0.36% of their portfolio | 1.5m $38.7m | Reduced -428.0k |
| Nuveen Asset Management, LLC 0.01% of their portfolio | 1.5m $38.5m | Reduced -494.0k |
| SG Capital Management LLC 5.48% of their portfolio | 1.5m $37.9m | Added +833.5k |
| AMERIPRISE FINANCIAL INC 0.01% of their portfolio | 1.4m $36.7m | Added +678.3k |
| NEW SOUTH CAPITAL MANAGEMENT INC 1.46% of their portfolio | 1.4m $35.7m | Reduced -25.5k |
| Impax Asset Management Group plc 0.14% of their portfolio | 1.4m $35.4m | Reduced -113.1k |
| National Pension Service 0.03% of their portfolio | 1.3m $33.3m | Added +69.8k |
| Perpetual Ltd 0.36% of their portfolio | 1.3m $32.9m | Reduced -5.1k |
| GREAT LAKES ADVISORS, LLC 0.28% of their portfolio | 1.3m $32.9m | Added +7.9k |
| UBS Group AG 0.01% of their portfolio | 1.2m $32.0m | Added +167.6k |
| Avidity Partners Management LP 1.63% of their portfolio | 1.2m $31.9m | Reduced -1.9m |
| California Public Employees Retirement System 0.02% of their portfolio | 1.2m $31.2m | Added +28.4k |
| Russell Investments Group, Ltd. 0.05% of their portfolio | 1.2m $31.1m | Reduced -84.2k |
| SEI INVESTMENTS CO 0.04% of their portfolio | 1.2m $30.2m | Added +188.9k |
| ENVESTNET ASSET MANAGEMENT INC 0.01% of their portfolio | 1.2m $30.2m | Added +70.5k |
| VAUGHAN NELSON INVESTMENT MANAGEMENT, L.P. 0.26% of their portfolio | 1.1m $29.6m | Reduced -42.0k |
| FRANKLIN RESOURCES INC 0.01% of their portfolio | 1.1m $28.4m | Reduced -51.4k |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.03% of their portfolio | 1.1m $28.6m | Added +7.7k |
| DUDLEY & SHANLEY, INC. 4.39% of their portfolio | 1.1m $28.1m | Unchanged |
| WELLINGTON MANAGEMENT GROUP LLP 0.00% of their portfolio | 1.0m $26.4m | Added +165.6k |
| RAYMOND JAMES & ASSOCIATES 0.02% of their portfolio | 1.0m $26.4m | Reduced -60.3k |
| WESTWOOD HOLDINGS GROUP INC 0.11% of their portfolio | 990.2k $25.6m | Added +248.3k |
| WORLDQUANT MILLENNIUM ADVISORS LLC 0.19% of their portfolio | 988.1k $25.6m | Added +431.9k |
| BARCLAYS PLC 0.01% of their portfolio | 982.0k $25.4m | Added +401.6k |
| CANADA LIFE ASSURANCE Co 0.04% of their portfolio | 957.2k $24.8m | Added +399.4k |
| Thematics Asset Management 0.97% of their portfolio | 950.0k $24.6m | Added +85.0k |
| COMERICA BANK 0.10% of their portfolio | 949.7k $24.6m | Added +169.0k |
| NEUBERGER BERMAN GROUP LLC 0.02% of their portfolio | 937.7k $24.3m | Reduced -476.2k |
| Zuckerman Investment Group, LLC 2.49% of their portfolio | 935.2k $24.2m | Added +17.0k |
| WELLS FARGO & COMPANY/MN 0.01% of their portfolio | 902.1k $23.3m | Added +144.1k |
| Ensign Peak Advisors, Inc 0.04% of their portfolio | 887.9k $23.0m | Added +65.8k |
| FEDERATED HERMES, INC. 0.05% of their portfolio | 885.6k $22.9m | Added +94.2k |
| MOORE CAPITAL MANAGEMENT, LP 0.64% of their portfolio | 850.0k $22.0m | Reduced -150.0k |
| Retirement Systems of Alabama 0.08% of their portfolio | 825.8k $21.4m | New |
| Walleye Capital LLC 0.23% of their portfolio | 821.5k $21.3m | Added +193.3k |
| Corebridge Financial, Inc. 0.11% of their portfolio | 803.9k $20.8m | Added +798.7k |
| Skandinaviska Enskilda Banken AB (publ) 0.10% of their portfolio | 796.9k $20.6m | Unchanged |
| AVIVA PLC 0.05% of their portfolio | 774.9k $20.0m | Added +348.2k |