WEST PHARMACEUTICAL SVSC INC WST
COM · Common Stock · CUSIP 955306105 · ISIN US9553061055
- SectorHealth care
- IndustrySurgical & Medical Instruments & Apparatus
- HeadquartersExton, PA
- 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 ($36.1m this quarter). Holder counts are more reliable. Shares outstanding: 74.2m as of 2023-04-12, 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 ≈ $345.86. Options: 11 managers hold calls ($60.1m notional), 10 hold puts ($24.1m).
Trends to Q1 2023
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2022 | 640 |
| Q4 2022 | 637 |
| Q1 2023 | 698 |
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 | 297 | 309 |
| Q1 2023 | 368 | 271 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q3 2022 | $38.3m | $18.8m | 0.49 |
| Q4 2022 | $29.8m | $31.2m | 1.05 |
| Q1 2023 | $60.1m | $24.1m | 0.40 |
Biggest buyers
| CITADEL ADVISORS LLC | Added | +938.1k |
| FMR LLC | Added | +800.2k |
| Invesco Ltd. | Added | +543.4k |
| PRICE T ROWE ASSOCIATES INC /MD/ | Added | +541.5k |
| JPMORGAN CHASE & CO | Added | +359.0k |
| Alyeska Investment Group, L.P. | New | +227.3k |
| Point72 Asset Management, L.P. | Added | +174.1k |
| MILLENNIUM MANAGEMENT LLC | Added | +172.9k |
| LOS ANGELES CAPITAL MANAGEMENT LLC | Added | +136.6k |
| Durable Capital Partners LP | Added | +128.1k |
Biggest sellers
| TWO SIGMA INVESTMENTS, LP | Reduced | -324.3k |
| RENAISSANCE TECHNOLOGIES LLC | Sold out | -294.7k |
| NORGES BANK | Reduced | -260.5k |
| Assenagon Asset Management S.A. | Reduced | -209.7k |
| Select Equity Group, L.P. | Sold out | -189.5k |
| California Public Employees Retirement System | Reduced | -185.9k |
| FRANKLIN RESOURCES INC | Reduced | -182.5k |
| APG Asset Management N.V. | Reduced | -175.6k |
| JUPITER ASSET MANAGEMENT LTD | Sold out | -159.4k |
| VOLORIDGE INVESTMENT MANAGEMENT, LLC | Sold out | -144.7k |
Biggest calls
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | $33.2m95.8k shares |
| BANK OF AMERICA CORP /DE/ | New | $6.9m20.0k shares |
| SIMPLEX TRADING, LLC | Added | $6.5m18.8k shares |
| JANE STREET GROUP, LLC | Reduced | $4.4m12.8k shares |
| CITADEL ADVISORS LLC | Reduced | $3.2m9.3k shares |
| WOLVERINE TRADING, LLC | Added | $2.1m6.3k shares |
| PEAK6 Investments LLC | Added | $1.9m5.6k shares |
| GROUP ONE TRADING LLC | Reduced | $900.8k2.6k shares |
| CAPSTONE INVESTMENT ADVISORS, LLC | Reduced | $727.6k2.1k shares |
| Walleye Trading LLC | Reduced | $103.9k300 shares |
Biggest puts
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | $16.0m46.3k shares |
| JANE STREET GROUP, LLC | Reduced | $2.7m7.8k shares |
| CAPSTONE INVESTMENT ADVISORS, LLC | New | $1.8m5.1k shares |
| CITADEL ADVISORS LLC | Reduced | $1.5m4.2k shares |
| MILLENNIUM MANAGEMENT LLC | New | $1.0m3.0k shares |
| SIMPLEX TRADING, LLC | Reduced | $415.0k1.2k shares |
| WOLVERINE TRADING, LLC | Reduced | $307.0k900 shares |
| Walleye Trading LLC | New | $207.9k600 shares |
| PEAK6 Investments LLC | Reduced | $173.2k500 shares |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | Unchanged | $00 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 |
|---|---|
| BlackRock, Inc. 13G · institution filed 2025-04-24 | 8.4% |
| VANGUARD CAPITAL MANAGEMENT LLC 13G · institution new · filed 2026-04-30 | 7.5% |
| VANGUARD PORTFOLIO MANAGEMENT LLC 13G · institution new · filed 2026-04-29 | 5.7% |
Fell to 5% or below in the last year: FMR LLC (5.0%, 2026-08-06), VANGUARD GROUP INC (0.0%, 2026-03-27; now reported by VANGUARD CAPITAL MANAGEMENT LLC)
Insider purchases and sales in Q1 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 |
|---|---|---|---|---|---|
| Q2 2021 | 0 | — | 0 | — | — |
| Q3 2021 | 0 | — | 0 | — | — |
| Q4 2021 | 0 | — | 0 | — | — |
| Q1 2022 | 0 | — | 1 | $3.0m | — |
| Q2 2022 | 0 | — | 0 | — | — |
| Q3 2022 | 0 | — | 2 | $6.7m | — |
| Q4 2022 | 0 | — | 1 | $10.5m | — |
| Q1 2023 | 0 | — | 2 | $14.7m | — |
| Date | Insider | Trade | Value |
|---|---|---|---|
| 2023-03-09 | Abraham Silji SVP, Chief Technology Officer | Sold | $483.9k1.5k shares |
| 2023-03-07 | Green Eric Mark President & CEO, director | Sold | $14.2m44.0k 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, Q1 2023
| Manager | Shares | Change |
|---|---|---|
| VANGUARD GROUP INC 0.08% of their portfolio | 8.9m $3.1bn | Reduced -55.1k |
| BlackRock Inc. 0.08% of their portfolio | 8.0m $2.8bn | Reduced -120.1k |
| Bank of New York Mellon Corp 0.27% of their portfolio | 3.6m $1.2bn | Reduced -29.1k |
| STATE STREET CORP 0.06% of their portfolio | 3.3m $1.1bn | Reduced -69.6k |
| PRICE T ROWE ASSOCIATES INC /MD/ 0.15% of their portfolio | 2.8m $984.9m | Added +541.5k |
| FMR LLC 0.04% of their portfolio | 2.6m $897.2m | Added +800.2k |
| APG Asset Management N.V. 1.61% of their portfolio | 2.4m $760.7m | Reduced -175.6k |
| FRANKLIN RESOURCES INC 0.40% of their portfolio | 2.3m $792.8m | Reduced -182.5k |
| T. Rowe Price Investment Management, Inc. 0.43% of their portfolio | 1.7m $595.9m | Reduced -44 |
| GEODE CAPITAL MANAGEMENT, LLC 0.07% of their portfolio | 1.5m $533.2m | Added +35.6k |
| BROWN ADVISORY INC 0.73% of their portfolio | 1.3m $433.3m | Added +39.2k |
| Durable Capital Partners LP 4.04% of their portfolio | 1.2m $430.3m | Added +128.1k |
| Artisan Partners Limited Partnership 0.67% of their portfolio | 1.2m $403.5m | Added +103.9k |
| Invesco Ltd. 0.11% of their portfolio | 1.1m $397.6m | Added +543.4k |
| CITADEL ADVISORS LLC 0.42% of their portfolio | 1.1m $380.8m | Added +938.1k |
| BAMCO INC /NY/ 1.11% of their portfolio | 1.1m $369.0m | Reduced -10.3k |
| NEUBERGER BERMAN GROUP LLC 0.31% of their portfolio | 964.2k $334.1m | Reduced -13.1k |
| ALLIANCEBERNSTEIN L.P. 0.13% of their portfolio | 882.8k $305.9m | Added +34.6k |
| JPMORGAN CHASE & CO 0.04% of their portfolio | 849.3k $294.2m | Added +359.0k |
| NORTHERN TRUST CORP 0.06% of their portfolio | 846.6k $293.3m | Added +11.6k |
| NORGES BANK 0.06% of their portfolio | 748.1k $259.2m | Reduced -260.5k |
| MORGAN STANLEY 0.03% of their portfolio | 714.9k $247.7m | Reduced -36.4k |
| BANK OF AMERICA CORP /DE/ 0.03% of their portfolio | 688.4k $238.5m | Added +102.4k |
| ProShare Advisors LLC 0.71% of their portfolio | 674.1k $233.6m | Reduced -27.5k |
| Legal & General Group Plc 0.07% of their portfolio | 576.5k $199.7m | Reduced -1.8k |
| MACQUARIE GROUP LTD 0.24% of their portfolio | 576.0k $199.5m | Added +87.9k |
| AMERIPRISE FINANCIAL INC 0.06% of their portfolio | 551.5k $191.1m | Added +20.0k |
| RIVERBRIDGE PARTNERS LLC 2.63% of their portfolio | 540.9k $187.4m | Added +33.5k |
| GOLDMAN SACHS GROUP INC 0.05% of their portfolio | 504.0k $174.6m | Added +70.6k |
| KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC 0.47% of their portfolio | 460.2k $159.4m | Added +23.4k |
| TD Asset Management Inc 0.19% of their portfolio | 444.0k $153.8m | Added +123.2k |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.04% of their portfolio | 405.6k $140.5m | Reduced -42.6k |
| Aberdeen Group plc 0.34% of their portfolio | 397.1k $137.6m | Reduced -11.1k |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.07% of their portfolio | 395.0k $136.9m | Reduced -1.8k |
| STATE FARM MUTUAL AUTOMOBILE INSURANCE CO 0.14% of their portfolio | 388.2k $134.5m | Unchanged |
| Nuveen Asset Management, LLC 0.05% of their portfolio | 387.1k $134.1m | Reduced -118.6k |
| Champlain Investment Partners, LLC 0.84% of their portfolio | 383.5k $132.9m | Reduced -9.5k |
| CONGRESS ASSET MANAGEMENT CO 1.13% of their portfolio | 350.9k $121.6m | Reduced -23.6k |
| Amundi 0.07% of their portfolio | 349.9k $121.3m | Added +51.5k |
| Intermede Investment Partners Ltd 2.99% of their portfolio | 337.6k $117.0m | Added +1.4k |
| ROYAL BANK OF CANADA 0.04% of their portfolio | 337.3k $116.9m | Added +65.5k |
| AustralianSuper Pty Ltd 0.79% of their portfolio | 330.3k $114.4m | Reduced -562 |
| EAGLE ASSET MANAGEMENT INC 0.64% of their portfolio | 314.0k $108.8m | Added +93.2k |
| Findlay Park Partners LLP 1.09% of their portfolio | 297.0k $102.9m | Added +125.1k |
| Swiss National Bank 0.07% of their portfolio | 293.8k $101.8m | Reduced -7.1k |
| DIMENSIONAL FUND ADVISORS LP 0.03% of their portfolio | 292.2k $101.2m | Added +259 |
| MILLENNIUM MANAGEMENT LLC 0.11% of their portfolio | 262.1k $90.8m | Added +172.9k |
| DEUTSCHE BANK AG\ 0.05% of their portfolio | 252.9k $87.6m | Added +35.8k |
| Alyeska Investment Group, L.P. 0.70% of their portfolio | 227.3k $78.8m | New |
| Sumitomo Mitsui Trust Group, Inc. 0.06% of their portfolio | 223.8k $77.5m | Reduced -71.8k |
| RHUMBLINE ADVISERS 0.09% of their portfolio | 208.2k $72.1m | Reduced -1.7k |
| ENVESTNET ASSET MANAGEMENT INC 0.03% of their portfolio | 207.7k $72.0m | Added +12.2k |
| Rock Springs Capital Management LP 1.67% of their portfolio | 202.0k $70.0m | Added +16.5k |
| FEDERATED HERMES, INC. 0.16% of their portfolio | 182.6k $63.3m | Reduced -38.8k |
| AMI ASSET MANAGEMENT CORP 3.98% of their portfolio | 179.9k $62.3m | Reduced -2.2k |
| Point72 Asset Management, L.P. 0.21% of their portfolio | 174.6k $60.5m | Added +174.1k |
| Allspring Global Investments Holdings, LLC 0.10% of their portfolio | 171.5k $59.4m | Reduced -6.1k |
| California Public Employees Retirement System 0.05% of their portfolio | 170.4k $59.0m | Reduced -185.9k |
| SEI INVESTMENTS CO 0.11% of their portfolio | 168.9k $58.5m | Added +15.4k |
| Russell Investments Group, Ltd. 0.11% of their portfolio | 168.2k $58.2m | Reduced -19.7k |
| LORD, ABBETT & CO. LLC 0.10% of their portfolio | 164.8k $57.1m | Reduced -87.0k |
| CREDIT SUISSE AG/ 0.06% of their portfolio | 160.1k $55.5m | Added +23.6k |
| Ensign Peak Advisors, Inc 0.12% of their portfolio | 159.2k $55.2m | Reduced -32.1k |
| BANK OF MONTREAL /CAN/ 0.02% of their portfolio | 154.7k $53.8m | Added +64.1k |
| AVIVA PLC 0.24% of their portfolio | 152.3k $52.8m | Added +11.7k |
| ADAGE CAPITAL PARTNERS GP, L.L.C. 0.12% of their portfolio | 149.1k $51.7m | Added +73.8k |
| LOS ANGELES CAPITAL MANAGEMENT LLC 0.22% of their portfolio | 140.0k $48.5m | Added +136.6k |
| NEW YORK STATE COMMON RETIREMENT FUND 0.06% of their portfolio | 138.9k $48.1m | Reduced -3.1k |
| WELLS FARGO & COMPANY/MN 0.01% of their portfolio | 138.5k $48.0m | Added +7.8k |
| Epoch Investment Partners, Inc. 0.28% of their portfolio | 134.4k $46.6m | Reduced -1.8k |
| HSBC HOLDINGS PLC 0.05% of their portfolio | 122.7k $42.5m | Reduced -140.0k |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.06% of their portfolio | 122.0k $42.3m | Reduced -1.2k |
| National Pension Service 0.07% of their portfolio | 110.8k $37.8m | Reduced -6.1k |
| Fiera Capital Corp 0.11% of their portfolio | 106.7k $37.0m | Reduced -4.5k |
| BLAIR WILLIAM & CO/IL 0.14% of their portfolio | 102.9k $35.7m | Added +4.5k |
| PRINCIPAL FINANCIAL GROUP INC 0.02% of their portfolio | 98.1k $34.0m | Reduced -105 |
| CANADA PENSION PLAN INVESTMENT BOARD 0.05% of their portfolio | 91.2k $31.6m | Added +11.5k |
| Connor, Clark & Lunn Investment Management Ltd. 0.17% of their portfolio | 89.0k $30.8m | Added +26.7k |
| NEW YORK STATE TEACHERS RETIREMENT SYSTEM 0.07% of their portfolio | 87.3k $30.2m | Reduced -1.0k |
| KEYBANK NATIONAL ASSOCIATION/OH 0.14% of their portfolio | 87.0k $30.1m | Added +2.2k |
| STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM 0.07% of their portfolio | 86.9k $30.1m | Reduced -1.6k |
| GW&K Investment Management, LLC 0.29% of their portfolio | 86.5k $30.0m | Added +1.1k |
| Mitsubishi UFJ Asset Management Co., Ltd. 0.07% of their portfolio | 85.5k $29.6m | Added +3.4k |
| NOMURA ASSET MANAGEMENT CO LTD 0.16% of their portfolio | 85.3k $29.6m | Added +12.6k |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. 0.10% of their portfolio | 84.2k $29.2m | Reduced -22.8k |
| Man Group plc 0.10% of their portfolio | 83.8k $29.0m | New |
| SCHRODER INVESTMENT MANAGEMENT GROUP 0.04% of their portfolio | 83.4k $28.9m | Added +9.8k |
| UBS Group AG 0.01% of their portfolio | 82.7k $28.7m | Added +65.7k |
| Woodline Partners LP 0.40% of their portfolio | 81.7k $28.3m | Added +32.5k |
| CAPITAL FUND MANAGEMENT S.A. 0.54% of their portfolio | 79.7k $27.6m | Added +46.1k |
| PRUDENTIAL FINANCIAL INC 0.04% of their portfolio | 77.5k $26.8m | Reduced -2.7k |
| DF DENT & CO INC 0.38% of their portfolio | 76.8k $26.6m | Reduced -307 |
| TRILLIUM ASSET MANAGEMENT, LLC 0.80% of their portfolio | 76.1k $27.4m | Added +3.3k |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE 0.01% of their portfolio | 75.3k $26.1m | Reduced -1.3k |
| PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO 0.13% of their portfolio | 74.0k $25.6m | Unchanged |
| BARCLAYS PLC 0.03% of their portfolio | 70.7k $24.5m | Reduced -24.8k |
| FRED ALGER MANAGEMENT, LLC 0.13% of their portfolio | 69.2k $24.0m | Added +53.6k |
| Allianz Asset Management GmbH 0.05% of their portfolio | 67.9k $23.5m | Reduced -43.2k |
| Tri Locum Partners LP 7.05% of their portfolio | 66.8k $23.2m | Reduced -30.3k |
| CITIGROUP INC 0.03% of their portfolio | 65.9k $22.8m | Added +4.8k |