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 ($40.4m this quarter). Holder counts are more reliable. Shares outstanding: 675.9m as of 2023-07-21, 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 ≈ $20.54. Options: 16 managers hold calls ($45.0m notional), 12 hold puts ($49.0m).
Trends to Q2 2023
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2022 | 440 |
| Q4 2022 | 445 |
| Q1 2023 | 467 |
| Q2 2023 | 444 |
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 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q3 2022 | $95.7m | $12.8m | 0.13 |
| Q4 2022 | $23.6m | $3.9m | 0.17 |
| Q1 2023 | $58.8m | $3.9m | 0.07 |
| Q2 2023 | $45.0m | $49.0m | 1.09 |
Biggest buyers
| Boston Partners | Added | +6.7m |
| Meritage Group LP | Added | +6.1m |
| SHAPIRO CAPITAL MANAGEMENT LLC | Added | +3.7m |
| MILLENNIUM MANAGEMENT LLC | Added | +3.4m |
| ALLIANCEBERNSTEIN L.P. | Added | +3.4m |
| NORGES BANK | Added | +2.8m |
| VANGUARD GROUP INC | Added | +2.5m |
| North Peak Capital Management, LLC | Added | +2.1m |
| BlackRock Inc. | Added | +2.0m |
| BESSEMER GROUP INC | Added | +1.5m |
Biggest sellers
| EMINENCE CAPITAL, LP | Sold out | -5.3m |
| STEADFAST CAPITAL MANAGEMENT LP | Sold out | -5.0m |
| PRICE T ROWE ASSOCIATES INC /MD/ | Reduced | -4.5m |
| AMERIPRISE FINANCIAL INC | Reduced | -4.1m |
| T. Rowe Price Investment Management, Inc. | Reduced | -3.4m |
| SAMLYN CAPITAL, LLC | Reduced | -2.0m |
| GLENVIEW CAPITAL MANAGEMENT, LLC | Sold out | -1.9m |
| Balyasny Asset Management L.P. | Reduced | -1.6m |
| Nuveen Asset Management, LLC | Reduced | -1.6m |
| D. E. Shaw & Co., Inc. | Reduced | -1.5m |
Biggest calls
| MOORE CAPITAL MANAGEMENT, LP | New | $12.3m600.0k shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | $7.2m352.9k shares |
| CITADEL ADVISORS LLC | Reduced | $6.1m295.3k shares |
| Ionic Capital Management LLC | Unchanged | $3.7m180.0k shares |
| JPMORGAN CHASE & CO | New | $3.3m162.0k shares |
| SIMPLEX TRADING, LLC | Reduced | $3.2m155.4k shares |
| ROYAL BANK OF CANADA | Reduced | $2.3m114.3k shares |
| NOMURA HOLDINGS INC | Reduced | $2.1m100.5k shares |
| Walleye Capital LLC | Added | $1.4m68.8k shares |
| Walleye Trading LLC | Reduced | $975.6k47.5k shares |
Biggest puts
| JANE STREET GROUP, LLC | New | $43.5m2.1m shares |
| CITADEL ADVISORS LLC | Added | $1.8m85.7k shares |
| Walleye Trading LLC | Added | $990.0k48.2k shares |
| Walleye Capital LLC | Added | $663.4k32.3k shares |
| Cubist Systematic Strategies, LLC | New | $628.5k30.6k shares |
| MILLENNIUM MANAGEMENT LLC | Reduced | $410.8k20.0k shares |
| TWO SIGMA SECURITIES, LLC | New | $367.7k17.9k shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | New | $258.8k12.6k shares |
| PEAK6 Investments LLC | Reduced | $234.2k11.4k shares |
| SIMPLEX TRADING, LLC | Added | $131.0k6.4k 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 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 |
|---|---|---|---|---|---|
| Q3 2021 | 0 | — | 0 | — | — |
| 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 |
| Date | Insider | Trade | Value |
|---|---|---|---|
| 2023-04-11 | Couturier Christophe EVP, AMEA | Sold plan | $31.7k1.5k 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, Q2 2023
| Manager | Shares | Change |
|---|---|---|
| T. Rowe Price Investment Management, Inc. 1.02% of their portfolio | 72.7m $1.5bn | Reduced -3.4m |
| VANGUARD GROUP INC 0.03% of their portfolio | 65.2m $1.3bn | Added +2.5m |
| BlackRock Inc. 0.03% of their portfolio | 44.7m $917.3m | Added +2.0m |
| PRICE T ROWE ASSOCIATES INC /MD/ 0.07% of their portfolio | 25.6m $526.0m | Reduced -4.5m |
| Boston Partners 0.64% of their portfolio | 23.1m $475.2m | Added +6.7m |
| CANADA PENSION PLAN INVESTMENT BOARD 0.72% of their portfolio | 23.0m $473.3m | Reduced -1.3m |
| BARROW HANLEY MEWHINNEY & STRAUSS LLC 1.27% of their portfolio | 16.6m $340.8m | Added +402.4k |
| New Mountain Capital, L.L.C. 13.14% of their portfolio | 14.0m $287.6m | Unchanged |
| JANUS HENDERSON GROUP PLC 0.18% of their portfolio | 13.8m $282.6m | Added +745.5k |
| AMERICAN CENTURY COMPANIES INC 0.21% of their portfolio | 13.7m $281.1m | Reduced -1.4m |
| STATE STREET CORP 0.01% of their portfolio | 12.9m $264.6m | Added +372.7k |
| WELLINGTON MANAGEMENT GROUP LLP 0.05% of their portfolio | 12.6m $258.4m | Reduced -72.6k |
| Meritage Group LP 6.45% of their portfolio | 11.3m $231.4m | Added +6.1m |
| GEODE CAPITAL MANAGEMENT, LLC 0.02% of their portfolio | 9.3m $190.0m | Added +543.8k |
| PARNASSUS INVESTMENTS, LLC 0.42% of their portfolio | 8.9m $182.7m | Unchanged |
| NORGES BANK 0.04% of their portfolio | 8.7m $178.5m | Added +2.8m |
| Robeco Schweiz AG 2.31% of their portfolio | 7.5m $155.0m | Added +579.5k |
| PICTET ASSET MANAGEMENT SA 0.18% of their portfolio | 7.4m $152.5m | Added +602.0k |
| BESSEMER GROUP INC 0.31% of their portfolio | 7.2m $147.0m | Added +1.5m |
| North Peak Capital Management, LLC 15.27% of their portfolio | 6.5m $133.1m | Added +2.1m |
| SHAPIRO CAPITAL MANAGEMENT LLC 3.29% of their portfolio | 6.1m $125.0m | Added +3.7m |
| BROWN BROTHERS HARRIMAN & CO 1.00% of their portfolio | 6.1m $124.4m | Unchanged |
| BANK OF AMERICA CORP /DE/ 0.01% of their portfolio | 5.5m $113.1m | Reduced -221.7k |
| TrinityBridge Ltd 5.00% of their portfolio | 5.2m $106.5m | Added +10.4k |
| Nuveen Asset Management, LLC 0.04% of their portfolio | 5.1m $105.6m | Reduced -1.6m |
| VOYA INVESTMENT MANAGEMENT LLC 0.11% of their portfolio | 5.1m $105.0m | Reduced -147.9k |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.05% of their portfolio | 4.9m $103.2m | Unchanged |
| MILLENNIUM MANAGEMENT LLC 0.11% of their portfolio | 4.9m $100.1m | Added +3.4m |
| WESTFIELD CAPITAL MANAGEMENT CO LP 0.62% of their portfolio | 4.7m $97.2m | Added +155.4k |
| Artemis Investment Management LLP 1.18% of their portfolio | 4.5m $92.2m | Added +316.9k |
| Legal & General Group Plc 0.03% of their portfolio | 4.4m $90.0m | Added +331.9k |
| Allianz Asset Management GmbH 0.18% of their portfolio | 4.3m $88.6m | Added +159.1k |
| Invesco Ltd. 0.02% of their portfolio | 4.2m $86.5m | Reduced -238.4k |
| BROWN ADVISORY INC 0.13% of their portfolio | 3.9m $80.1m | Reduced -43.3k |
| ALLIANCEBERNSTEIN L.P. 0.03% of their portfolio | 3.9m $79.7m | Added +3.4m |
| NORTHERN TRUST CORP 0.01% of their portfolio | 3.8m $77.8m | Reduced -119.2k |
| SILVERCREST ASSET MANAGEMENT GROUP LLC 0.51% of their portfolio | 3.5m $71.7m | Added +316.6k |
| CIBC Private Wealth Group LLC 0.08% of their portfolio | 3.5m $71.6m | Added +1.1m |
| DIMENSIONAL FUND ADVISORS LP 0.02% of their portfolio | 3.4m $69.3m | Added +494.7k |
| Sound Shore Management Inc /CT/ 2.54% of their portfolio | 3.3m $68.8m | Reduced -540.8k |
| Thrivent Financial for Lutherans 0.15% of their portfolio | 3.2m $66.4m | Added +550.2k |
| MORGAN STANLEY 0.01% of their portfolio | 3.2m $65.0m | Added +399.7k |
| CCLA Investment Management 1.12% of their portfolio | 3.1m $62.7m | Added +442.3k |
| TD Asset Management Inc 0.06% of their portfolio | 2.7m $56.3m | Reduced -24.2k |
| Bank of New York Mellon Corp 0.01% of their portfolio | 2.7m $55.9m | Added +36.4k |
| CAUSEWAY CAPITAL MANAGEMENT LLC 1.40% of their portfolio | 2.6m $53.1m | Added +1.1m |
| Swiss National Bank 0.03% of their portfolio | 2.4m $50.1m | Reduced -238.2k |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.01% of their portfolio | 2.4m $49.7m | Added +73.5k |
| VAUGHAN NELSON INVESTMENT MANAGEMENT, L.P. 0.49% of their portfolio | 2.2m $44.2m | Reduced -81.4k |
| COUNTRY TRUST BANK 1.19% of their portfolio | 2.1m $44.1m | Reduced -65.5k |
| Clearbridge Investments, LLC 0.04% of their portfolio | 2.1m $43.5m | Reduced -15.5k |
| NEUBERGER BERMAN GROUP LLC 0.04% of their portfolio | 2.1m $43.4m | Added +8.2k |
| Castle Hook Partners LP 4.01% of their portfolio | 2.1m $42.9m | Reduced -798.3k |
| Amundi 0.02% of their portfolio | 1.9m $37.9m | Added +960.2k |
| M.D. Sass, LLC 5.00% of their portfolio | 1.8m $36.6m | Added +535.8k |
| FIL Ltd 0.04% of their portfolio | 1.7m $34.9m | Reduced -461.0k |
| Sumitomo Mitsui Trust Group, Inc. 0.03% of their portfolio | 1.6m $33.9m | Reduced -190.9k |
| Impax Asset Management Group plc 0.13% of their portfolio | 1.6m $33.5m | Reduced -157.6k |
| Public Sector Pension Investment Board 0.23% of their portfolio | 1.5m $31.5m | Unchanged |
| VAN LANSCHOT KEMPEN INVESTMENT MANAGEMENT N.V. 0.56% of their portfolio | 1.5m $31.3m | Unchanged |
| NEW SOUTH CAPITAL MANAGEMENT INC 1.38% of their portfolio | 1.5m $31.1m | Reduced -111.4k |
| AQR CAPITAL MANAGEMENT LLC 0.06% of their portfolio | 1.5m $30.6m | Added +113.3k |
| SAMLYN CAPITAL, LLC 0.50% of their portfolio | 1.4m $28.9m | Reduced -2.0m |
| Clarkston Capital Partners, LLC 0.49% of their portfolio | 1.3m $27.5m | Added +268.0k |
| GREAT LAKES ADVISORS, LLC 0.27% of their portfolio | 1.3m $27.0m | Reduced -243.0k |
| DEUTSCHE BANK AG\ 0.01% of their portfolio | 1.3m $26.8m | Added +107.6k |
| CREDIT SUISSE AG/ 0.03% of their portfolio | 1.3m $25.8m | Added +380.1k |
| Woodline Partners LP 0.30% of their portfolio | 1.2m $25.4m | New |
| FRANKLIN RESOURCES INC 0.01% of their portfolio | 1.2m $25.1m | Reduced -32.6k |
| National Pension Service 0.04% of their portfolio | 1.2m $23.5m | Added +22.2k |
| IRIDIAN ASSET MANAGEMENT LLC/CT 2.15% of their portfolio | 1.1m $23.1m | Added +82.4k |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.03% of their portfolio | 1.1m $22.5m | Reduced -30.9k |
| NATIXIS ADVISORS, LLC 0.07% of their portfolio | 1.1m $22.1m | Reduced -32.0k |
| DUDLEY & SHANLEY, INC. 3.93% of their portfolio | 1.1m $21.7m | Unchanged |
| SEI INVESTMENTS CO 0.04% of their portfolio | 1.0m $20.9m | Reduced -34.4k |
| GW&K Investment Management, LLC 0.19% of their portfolio | 986.0k $20.3m | Reduced -19.1k |
| NEW YORK STATE COMMON RETIREMENT FUND 0.03% of their portfolio | 984.9k $20.2m | Added +182.0k |
| WELLS FARGO & COMPANY/MN 0.01% of their portfolio | 979.6k $20.1m | Added +114.9k |
| AMERIPRISE FINANCIAL INC 0.01% of their portfolio | 963.9k $19.8m | Reduced -4.1m |
| California Public Employees Retirement System 0.02% of their portfolio | 930.0k $19.1m | Added +50.2k |
| WILSON ASSET MANAGEMENT (INTERNATIONAL) PTY LTD 5.15% of their portfolio | 920.3k $18.9m | Unchanged |
| THORNBURG INVESTMENT MANAGEMENT INC 0.31% of their portfolio | 920.1k $18.9m | Reduced -17.8k |
| OSTERWEIS CAPITAL MANAGEMENT INC 1.23% of their portfolio | 907.5k $18.6m | Added +79.0k |
| JENNISON ASSOCIATES LLC 0.01% of their portfolio | 882.1k $18.1m | Added +351.3k |
| FIRST TRUST ADVISORS LP 0.02% of their portfolio | 874.1k $18.0m | Reduced -168.7k |
| DAVENPORT & Co LLC 0.13% of their portfolio | 856.7k $17.6m | New |
| PINEBRIDGE INVESTMENTS, L.P. 0.19% of their portfolio | 852.3k $17.5m | Added +188.3k |
| PEREGRINE CAPITAL MANAGEMENT LLC 0.47% of their portfolio | 846.7k $17.4m | Added +79.5k |
| UBS Group AG 0.01% of their portfolio | 832.9k $17.1m | Added +21.6k |
| REINHART PARTNERS, LLC. 0.84% of their portfolio | 809.6k $16.6m | Added +221.7k |
| Skandinaviska Enskilda Banken AB (publ) 0.11% of their portfolio | 801.5k $16.5m | Reduced -1.3m |
| Wolf Hill Capital Management, LP 1.34% of their portfolio | 800.0k $16.4m | New |
| RHUMBLINE ADVISERS 0.02% of their portfolio | 799.3k $16.4m | Added +53.9k |
| JPMORGAN CHASE & CO 0.00% of their portfolio | 793.7k $16.3m | Added +156.8k |
| WESTWOOD HOLDINGS GROUP INC 0.14% of their portfolio | 784.8k $16.1m | Added +34.7k |
| GOLDMAN SACHS GROUP INC 0.00% of their portfolio | 745.2k $15.3m | Reduced -524.4k |
| LOOMIS SAYLES & CO L P 0.02% of their portfolio | 740.2k $15.2m | Reduced -8.0k |
| Russell Investments Group, Ltd. 0.03% of their portfolio | 728.7k $14.7m | Reduced -53.5k |
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC 0.05% of their portfolio | 721.9k $14.8m | Added +106.7k |
| Qube Research & Technologies Ltd 0.05% of their portfolio | 656.1k $13.5m | Reduced -309.4k |