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 ($47.6m this quarter). Holder counts are more reliable. Shares outstanding: 676.4m as of 2023-10-23, 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 ≈ $21.12. Options: 16 managers hold calls ($79.0m notional), 14 hold puts ($74.9m).
Trends to Q3 2023
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 |
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 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q4 2022 | $23.6m | $3.9m | 0.17 |
| Q1 2023 | $58.8m | $3.9m | 0.07 |
| Q2 2023 | $45.0m | $49.0m | 1.09 |
| Q3 2023 | $79.0m | $74.9m | 0.95 |
Biggest buyers
| Dodge & Cox | New | +13.3m |
| Boston Partners | Added | +4.9m |
| Balyasny Asset Management L.P. | Added | +4.1m |
| BARROW HANLEY MEWHINNEY & STRAUSS LLC | Added | +4.1m |
| Holocene Advisors, LP | New | +4.0m |
| Artemis Investment Management LLP | Added | +3.1m |
| MILLENNIUM MANAGEMENT LLC | Added | +2.5m |
| Wolf Hill Capital Management, LP | Added | +2.4m |
| Invesco Ltd. | Added | +2.4m |
| Woodline Partners LP | Added | +1.7m |
Biggest sellers
| AMERICAN CENTURY COMPANIES INC | Reduced | -6.0m |
| Nuveen Asset Management, LLC | Reduced | -3.6m |
| WELLINGTON MANAGEMENT GROUP LLP | Reduced | -3.5m |
| Allianz Asset Management GmbH | Reduced | -3.0m |
| North Peak Capital Management, LLC | Reduced | -3.0m |
| CIBC Private Wealth Group LLC | Reduced | -2.4m |
| Meritage Group LP | Reduced | -2.4m |
| PRICE T ROWE ASSOCIATES INC /MD/ | Reduced | -2.3m |
| NORGES BANK | Reduced | -2.1m |
| PARNASSUS INVESTMENTS, LLC | Reduced | -2.0m |
Biggest calls
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | $15.0m712.3k shares |
| MOORE CAPITAL MANAGEMENT, LP | Unchanged | $12.6m600.0k shares |
| Balyasny Asset Management L.P. | New | $12.4m590.0k shares |
| Greenhouse Funds LLLP | New | $10.5m500.0k shares |
| Schonfeld Strategic Advisors LLC | New | $10.5m500.0k shares |
| GROUP ONE TRADING LLC | Added | $4.5m211.9k shares |
| MILLENNIUM MANAGEMENT LLC | New | $2.6m125.0k shares |
| CITADEL ADVISORS LLC | Reduced | $2.5m117.3k shares |
| Walleye Trading LLC | Added | $2.3m110.2k shares |
| SIMPLEX TRADING, LLC | Reduced | $2.0m95.4k shares |
Biggest puts
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | $28.1m1.3m shares |
| JANE STREET GROUP, LLC | Reduced | $24.8m1.2m shares |
| CITADEL ADVISORS LLC | Added | $10.2m486.0k shares |
| MILLENNIUM MANAGEMENT LLC | Added | $3.2m150.0k shares |
| SIMPLEX TRADING, LLC | Added | $2.8m131.0k shares |
| GROUP ONE TRADING LLC | Added | $1.8m87.0k shares |
| Walleye Trading LLC | Added | $1.2m54.9k shares |
| Caption Management, LLC | New | $632.4k30.0k shares |
| GTS SECURITIES LLC | New | $575.5k27.3k shares |
| Walleye Capital LLC | Reduced | $567.1k26.9k 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 2023
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 2021 | 0 | — | 3 | $21.1m | — |
| Q1 2022 | 0 | — | 1 | $3.0m | — |
| Q2 2022 | 0 | — | 2 | $1.8m | — |
| 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 | — |
| Date | Insider | Trade | Value |
|---|---|---|---|
| 2023-09-07 | Eck Steven W SVP & Chief Accounting Officer | Sold | $156.4k7.6k shares |
| 2023-08-25 | Vanderhaegen Frederic EVP, Americas and Europe | Sold | $536.8k25.0k 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 2023
| Manager | Shares | Change |
|---|---|---|
| T. Rowe Price Investment Management, Inc. 1.08% of their portfolio | 72.2m $1.5bn | Reduced -520.0k |
| VANGUARD GROUP INC 0.03% of their portfolio | 65.5m $1.4bn | Added +211.2k |
| BlackRock Inc. 0.03% of their portfolio | 45.2m $953.3m | Added +561.0k |
| Boston Partners 0.81% of their portfolio | 28.1m $588.4m | Added +4.9m |
| PRICE T ROWE ASSOCIATES INC /MD/ 0.07% of their portfolio | 23.3m $491.1m | Reduced -2.3m |
| CANADA PENSION PLAN INVESTMENT BOARD 0.69% of their portfolio | 22.3m $470.2m | Reduced -736.9k |
| BARROW HANLEY MEWHINNEY & STRAUSS LLC 1.67% of their portfolio | 20.7m $436.8m | Added +4.1m |
| JANUS HENDERSON GROUP PLC 0.20% of their portfolio | 14.5m $305.2m | Added +722.6k |
| New Mountain Capital, L.L.C. 16.03% of their portfolio | 14.0m $295.1m | Unchanged |
| Dodge & Cox 0.19% of their portfolio | 13.3m $280.2m | New |
| STATE STREET CORP 0.02% of their portfolio | 13.2m $279.0m | Added +351.1k |
| GEODE CAPITAL MANAGEMENT, LLC 0.02% of their portfolio | 9.5m $199.2m | Added +196.3k |
| WELLINGTON MANAGEMENT GROUP LLP 0.04% of their portfolio | 9.0m $190.4m | Reduced -3.5m |
| Meritage Group LP 5.13% of their portfolio | 8.9m $187.6m | Reduced -2.4m |
| Robeco Schweiz AG 2.91% of their portfolio | 8.2m $171.9m | Added +607.5k |
| AMERICAN CENTURY COMPANIES INC 0.12% of their portfolio | 7.7m $161.3m | Reduced -6.0m |
| Artemis Investment Management LLP 2.25% of their portfolio | 7.6m $161.0m | Added +3.1m |
| MILLENNIUM MANAGEMENT LLC 0.16% of their portfolio | 7.3m $154.7m | Added +2.5m |
| BESSEMER GROUP INC 0.33% of their portfolio | 7.1m $150.4m | Reduced -21.2k |
| PARNASSUS INVESTMENTS, LLC 0.36% of their portfolio | 6.9m $146.3m | Reduced -2.0m |
| Pictet Asset Management Holding SA 0.17% of their portfolio | 6.7m $140.8m | First filing |
| NORGES BANK 0.03% of their portfolio | 6.6m $139.5m | Reduced -2.1m |
| Invesco Ltd. 0.04% of their portfolio | 6.6m $139.0m | Added +2.4m |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.06% of their portfolio | 6.2m $131.5m | Added +1.4m |
| BANK OF AMERICA CORP /DE/ 0.02% of their portfolio | 6.1m $129.6m | Added +643.1k |
| SHAPIRO CAPITAL MANAGEMENT LLC 3.63% of their portfolio | 5.9m $124.6m | Reduced -175.3k |
| VOYA INVESTMENT MANAGEMENT LLC 0.12% of their portfolio | 5.3m $111.3m | Added +170.6k |
| BROWN BROTHERS HARRIMAN & CO 0.93% of their portfolio | 5.0m $105.6m | Reduced -1.0m |
| Legal & General Group Plc 0.03% of their portfolio | 4.4m $92.7m | Added +15.8k |
| WESTFIELD CAPITAL MANAGEMENT CO LP 0.61% of their portfolio | 4.2m $89.5m | Reduced -482.9k |
| Balyasny Asset Management L.P. 0.24% of their portfolio | 4.2m $87.5m | Added +4.1m |
| NORTHERN TRUST CORP 0.02% of their portfolio | 4.1m $87.0m | Added +342.6k |
| Holocene Advisors, LP 0.38% of their portfolio | 4.0m $85.0m | New |
| Sound Shore Management Inc /CT/ 3.22% of their portfolio | 4.0m $84.1m | Added +639.7k |
| BROWN ADVISORY INC 0.13% of their portfolio | 3.9m $81.9m | Reduced -16.2k |
| ALLIANCEBERNSTEIN L.P. 0.03% of their portfolio | 3.8m $79.8m | Reduced -91.5k |
| TrinityBridge Ltd 4.09% of their portfolio | 3.8m $79.3m | Reduced -1.4m |
| Thrivent Financial for Lutherans 0.19% of their portfolio | 3.7m $78.7m | Added +501.7k |
| SILVERCREST ASSET MANAGEMENT GROUP LLC 0.59% of their portfolio | 3.7m $77.7m | Added +198.4k |
| DIMENSIONAL FUND ADVISORS LP 0.02% of their portfolio | 3.5m $74.0m | Added +137.5k |
| North Peak Capital Management, LLC 9.04% of their portfolio | 3.5m $73.4m | Reduced -3.0m |
| Wolf Hill Capital Management, LP 6.22% of their portfolio | 3.2m $67.8m | Added +2.4m |
| CCLA Investment Management 1.24% of their portfolio | 3.1m $66.2m | Added +86.8k |
| TD Asset Management Inc 0.08% of their portfolio | 3.1m $64.7m | Added +331.8k |
| MORGAN STANLEY 0.01% of their portfolio | 3.0m $63.5m | Reduced -153.5k |
| Woodline Partners LP 0.71% of their portfolio | 2.9m $60.9m | Added +1.7m |
| Bank of New York Mellon Corp 0.01% of their portfolio | 2.7m $56.5m | Reduced -40.0k |
| CAUSEWAY CAPITAL MANAGEMENT LLC 1.43% of their portfolio | 2.6m $54.2m | Reduced -11.5k |
| Public Sector Pension Investment Board 0.39% of their portfolio | 2.5m $53.5m | Added +1.0m |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.01% of their portfolio | 2.5m $51.7m | Added +35.9k |
| VAUGHAN NELSON INVESTMENT MANAGEMENT, L.P. 0.55% of their portfolio | 2.3m $48.8m | Added +163.5k |
| Amundi 0.02% of their portfolio | 2.3m $47.5m | Added +400.2k |
| Swiss National Bank 0.04% of their portfolio | 2.2m $45.8m | Reduced -266.2k |
| Clearbridge Investments, LLC 0.04% of their portfolio | 2.1m $44.6m | Added +491 |
| DAVENPORT & Co LLC 0.31% of their portfolio | 1.9m $40.6m | Added +1.1m |
| Impax Asset Management Group plc 0.18% of their portfolio | 1.9m $39.9m | Added +260.3k |
| VAN LANSCHOT KEMPEN INVESTMENT MANAGEMENT N.V. 0.73% of their portfolio | 1.9m $39.7m | Added +359.2k |
| COUNTRY TRUST BANK 1.11% of their portfolio | 1.8m $38.0m | Reduced -346.0k |
| Clarkston Capital Partners, LLC 0.72% of their portfolio | 1.7m $36.5m | Added +396.8k |
| Sumitomo Mitsui Trust Group, Inc. 0.03% of their portfolio | 1.6m $34.6m | Reduced -8.1k |
| FIL Ltd 0.04% of their portfolio | 1.6m $33.7m | Reduced -96.5k |
| Nuveen Asset Management, LLC 0.01% of their portfolio | 1.5m $32.5m | Reduced -3.6m |
| NEW SOUTH CAPITAL MANAGEMENT INC 1.52% of their portfolio | 1.5m $31.8m | Reduced -7.5k |
| FRANKLIN RESOURCES INC 0.02% of their portfolio | 1.5m $30.9m | Added +240.8k |
| NATIXIS ADVISORS, LLC 0.09% of their portfolio | 1.3m $28.3m | Added +267.9k |
| Man Group plc 0.09% of their portfolio | 1.3m $28.2m | New |
| CREDIT SUISSE AG/ 0.03% of their portfolio | 1.3m $27.7m | Added +60.4k |
| GREAT LAKES ADVISORS, LLC 0.25% of their portfolio | 1.3m $27.6m | Reduced -7.7k |
| Allianz Asset Management GmbH 0.06% of their portfolio | 1.3m $27.3m | Reduced -3.0m |
| DEUTSCHE BANK AG\ 0.02% of their portfolio | 1.2m $26.2m | Reduced -58.6k |
| National Pension Service 0.04% of their portfolio | 1.1m $23.8m | Reduced -26.6k |
| GOLDMAN SACHS GROUP INC 0.01% of their portfolio | 1.1m $23.8m | Added +382.3k |
| DUDLEY & SHANLEY, INC. 4.43% of their portfolio | 1.1m $23.4m | Added +53.9k |
| Castle Hook Partners LP 1.58% of their portfolio | 1.1m $23.4m | Reduced -979.5k |
| JANE STREET GROUP, LLC 0.04% of their portfolio | 1.1m $22.6m | Added +723.9k |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.03% of their portfolio | 1.1m $22.5m | Reduced -31.7k |
| NEUBERGER BERMAN GROUP LLC 0.02% of their portfolio | 1.1m $22.4m | Reduced -1.1m |
| CIBC Private Wealth Group LLC 0.05% of their portfolio | 1.1m $22.2m | Reduced -2.4m |
| OSTERWEIS CAPITAL MANAGEMENT INC 1.62% of their portfolio | 1.0m $22.1m | Added +139.2k |
| California Public Employees Retirement System 0.02% of their portfolio | 1.0m $21.5m | Added +92.0k |
| GLENVIEW CAPITAL MANAGEMENT, LLC 0.58% of their portfolio | 1.0m $21.5m | New |
| AQR CAPITAL MANAGEMENT LLC 0.04% of their portfolio | 1.0m $21.4m | Reduced -480.2k |
| GW&K Investment Management, LLC 0.20% of their portfolio | 963.8k $20.3m | Reduced -22.1k |
| AMERIPRISE FINANCIAL INC 0.01% of their portfolio | 948.0k $20.0m | Reduced -15.9k |
| ENVESTNET ASSET MANAGEMENT INC 0.01% of their portfolio | 932.2k $19.7m | Added +294.7k |
| WILSON ASSET MANAGEMENT (INTERNATIONAL) PTY LTD 5.49% of their portfolio | 920.3k $19.1m | Unchanged |
| Schonfeld Strategic Advisors LLC 0.18% of their portfolio | 919.9k $19.4m | Added +891.4k |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main 0.03% of their portfolio | 913.4k $19.3m | Added +433.3k |
| THORNBURG INVESTMENT MANAGEMENT INC 0.32% of their portfolio | 911.5k $19.2m | Reduced -8.5k |
| JPMORGAN CHASE & CO 0.00% of their portfolio | 909.3k $19.2m | Added +115.6k |
| JENNISON ASSOCIATES LLC 0.02% of their portfolio | 892.0k $18.8m | Added +9.8k |
| NEW YORK STATE COMMON RETIREMENT FUND 0.03% of their portfolio | 879.4k $18.5m | Reduced -105.5k |
| FIRST TRUST ADVISORS LP 0.02% of their portfolio | 843.5k $17.8m | Reduced -30.6k |
| ExodusPoint Capital Management, LP 0.22% of their portfolio | 827.0k $17.4m | Added +578.0k |
| REINHART PARTNERS, LLC. 0.88% of their portfolio | 802.7k $16.9m | Reduced -6.9k |
| Skandinaviska Enskilda Banken AB (publ) 0.11% of their portfolio | 800.9k $16.9m | Reduced -660 |
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC 0.06% of their portfolio | 800.5k $16.9m | Added +78.6k |
| ADAGE CAPITAL PARTNERS GP, L.L.C. 0.04% of their portfolio | 800.0k $16.9m | New |
| PEREGRINE CAPITAL MANAGEMENT LLC 0.50% of their portfolio | 797.3k $16.8m | Reduced -49.5k |
| WESTWOOD HOLDINGS GROUP INC 0.16% of their portfolio | 794.4k $16.7m | Added +9.6k |