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 ($75.2m this quarter). Holder counts are more reliable. Shares outstanding: 72.8m as of 2024-04-18, 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 ≈ $394.53. Options: 17 managers hold calls ($127.0m notional), 16 hold puts ($168.4m).
Trends to Q1 2024
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2022 | 640 |
| Q4 2022 | 637 |
| Q1 2023 | 698 |
| Q2 2023 | 736 |
| Q3 2023 | 760 |
| Q4 2023 | 785 |
| Q1 2024 | 779 |
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 |
| Q2 2023 | 335 | 323 |
| Q3 2023 | 313 | 355 |
| Q4 2023 | 329 | 367 |
| Q1 2024 | 375 | 357 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q2 2023 | $52.0m | $26.5m | 0.51 |
| Q3 2023 | $89.2m | $72.9m | 0.82 |
| Q4 2023 | $81.2m | $79.9m | 0.98 |
| Q1 2024 | $127.0m | $168.4m | 1.33 |
Biggest buyers
| MILLENNIUM MANAGEMENT LLC | Added | +490.3k |
| FRANKLIN RESOURCES INC | Added | +368.6k |
| Holocene Advisors, LP | New | +357.0k |
| MARSHALL WACE, LLP | Added | +312.5k |
| JPMORGAN CHASE & CO | Added | +226.3k |
| BROWN ADVISORY INC | Added | +223.4k |
| DF DENT & CO INC | Added | +182.4k |
| Woodline Partners LP | Added | +147.0k |
| Findlay Park Partners LLP | Added | +139.8k |
| CITADEL ADVISORS LLC | Added | +131.1k |
Biggest sellers
| FMR LLC | Reduced | -320.4k |
| PRICE T ROWE ASSOCIATES INC /MD/ | Reduced | -294.5k |
| Qube Research & Technologies Ltd | Reduced | -275.5k |
| BlackRock Inc. | Reduced | -215.4k |
| Balyasny Asset Management L.P. | Reduced | -206.3k |
| MACQUARIE GROUP LTD | Reduced | -179.5k |
| Invesco Ltd. | Reduced | -178.0k |
| DEUTSCHE BANK AG\ | Reduced | -159.1k |
| T. Rowe Price Investment Management, Inc. | Reduced | -158.8k |
| Man Group plc | Reduced | -123.8k |
Biggest calls
| JANE STREET GROUP, LLC | Added | $45.9m115.9k shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | $32.0m80.9k shares |
| CITADEL ADVISORS LLC | Added | $12.9m32.7k shares |
| Point72 Asset Management, L.P. | New | $7.9m20.0k shares |
| WOLVERINE TRADING, LLC | Added | $5.3m13.5k shares |
| PEAK6 Investments LLC | Added | $5.2m13.1k shares |
| JPMORGAN CHASE & CO | Added | $5.1m12.8k shares |
| Walleye Trading LLC | Added | $4.3m10.8k shares |
| SIMPLEX TRADING, LLC | Added | $3.2m8.2k shares |
| MILLENNIUM MANAGEMENT LLC | Reduced | $2.0m5.1k shares |
Biggest puts
| CITADEL ADVISORS LLC | Added | $99.2m250.6k shares |
| JANE STREET GROUP, LLC | Reduced | $35.1m88.6k shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | $14.4m36.4k shares |
| GROUP ONE TRADING LLC | Unchanged | $6.3m16.0k shares |
| Portman Square Capital LLP | Unchanged | $5.7m14.5k shares |
| JPMORGAN CHASE & CO | Unchanged | $3.7m9.4k shares |
| SIMPLEX TRADING, LLC | Added | $949.0k2.4k shares |
| CAPSTONE INVESTMENT ADVISORS, LLC | Reduced | $672.7k1.7k shares |
| WOLVERINE TRADING, LLC | New | $633.1k1.6k shares |
| Walleye Capital LLC | Reduced | $474.9k1.2k 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 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 |
|---|---|---|---|---|---|
| Q2 2022 | 0 | — | 0 | — | — |
| Q3 2022 | 0 | — | 2 | $6.7m | — |
| Q4 2022 | 0 | — | 1 | $10.5m | — |
| Q1 2023 | 0 | — | 2 | $14.7m | — |
| Q2 2023 | 0 | — | 5 | $24.5m | — |
| Q3 2023 | 0 | — | 7 | $40.1m | $17.4m |
| Q4 2023 | 0 | — | 2 | $737.2k | — |
| Q1 2024 | 0 | — | 4 | $26.7m | $23.1m |
| Date | Insider | Trade | Value |
|---|---|---|---|
| 2024-03-11 | Winters Chad VP, Chief Accounting Officer | Sold | $292.4k815 shares |
| 2024-02-28 | Witherspoon Charles VP & Treasurer | Sold | $724.1k2.0k shares |
| 2024-02-27 | Green Eric Mark President, CEO and Board Chair, director | Sold plan | $23.1m64.1k shares |
| 2024-02-23 | Abraham Silji SVP, Chief Technology Officer | Sold | $2.6m7.0k 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 2024
| Manager | Shares | Change |
|---|---|---|
| VANGUARD GROUP INC 0.07% of their portfolio | 8.9m $3.5bn | Reduced -63.2k |
| BlackRock Inc. 0.07% of their portfolio | 7.6m $3.0bn | Reduced -215.4k |
| Bank of New York Mellon Corp 0.25% of their portfolio | 3.3m $1.3bn | Reduced -39.3k |
| STATE STREET CORP 0.06% of their portfolio | 3.2m $1.3bn | Reduced -52.9k |
| FRANKLIN RESOURCES INC 0.31% of their portfolio | 2.5m $979.1m | Added +368.6k |
| APG Asset Management N.V. 1.50% of their portfolio | 2.3m $856.5m | Added +37.3k |
| Artisan Partners Limited Partnership 1.19% of their portfolio | 2.1m $817.7m | Added +105.5k |
| PRICE T ROWE ASSOCIATES INC /MD/ 0.10% of their portfolio | 2.0m $804.4m | Reduced -294.5k |
| MORGAN STANLEY 0.02% of their portfolio | 2.0m $791.7m | Reduced -47.1k |
| JPMORGAN CHASE & CO 0.03% of their portfolio | 2.0m $786.1m | Added +226.3k |
| GEODE CAPITAL MANAGEMENT, LLC 0.06% of their portfolio | 1.7m $678.0m | Added +49.3k |
| BROWN ADVISORY INC 0.87% of their portfolio | 1.6m $648.1m | Added +223.4k |
| T. Rowe Price Investment Management, Inc. 0.26% of their portfolio | 1.1m $429.8m | Reduced -158.8k |
| CITADEL ADVISORS LLC 0.40% of their portfolio | 1.1m $419.5m | Added +131.1k |
| Durable Capital Partners LP 3.16% of their portfolio | 1.0m $408.0m | Reduced -107.7k |
| NORGES BANK 0.06% of their portfolio | 897.5k $355.2m | Added +44.8k |
| BAMCO INC /NY/ 0.94% of their portfolio | 891.9k $353.0m | Reduced -105.9k |
| Invesco Ltd. 0.07% of their portfolio | 764.7k $302.6m | Reduced -178.0k |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ 0.09% of their portfolio | 725.2k $287.0m | Added +62.1k |
| NORTHERN TRUST CORP 0.05% of their portfolio | 720.0k $284.9m | Reduced -51.7k |
| ALLIANCEBERNSTEIN L.P. 0.09% of their portfolio | 626.9k $248.1m | Reduced -20.2k |
| TD Asset Management Inc 0.23% of their portfolio | 619.7k $245.2m | Reduced -39.9k |
| Findlay Park Partners LLP 2.17% of their portfolio | 597.1k $236.3m | Added +139.8k |
| KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC 0.51% of their portfolio | 556.0k $220.0m | Added +110.4k |
| Nuveen Asset Management, LLC 0.06% of their portfolio | 551.9k $218.4m | Added +97.7k |
| BANK OF AMERICA CORP /DE/ 0.02% of their portfolio | 528.3k $209.1m | Added +31.9k |
| MILLENNIUM MANAGEMENT LLC 0.17% of their portfolio | 516.6k $204.4m | Added +490.3k |
| Legal & General Group Plc 0.06% of their portfolio | 507.9k $201.0m | Reduced -13.4k |
| RIVERBRIDGE PARTNERS LLC 2.42% of their portfolio | 501.9k $198.6m | Reduced -14.1k |
| ProShare Advisors LLC 0.53% of their portfolio | 500.7k $198.1m | Added +61.2k |
| NEUBERGER BERMAN GROUP LLC 0.16% of their portfolio | 488.3k $193.2m | Reduced -56.1k |
| GOLDMAN SACHS GROUP INC 0.04% of their portfolio | 462.3k $182.9m | Added +28.1k |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.04% of their portfolio | 435.0k $172.1m | Added +12.1k |
| MACQUARIE GROUP LTD 0.18% of their portfolio | 393.4k $155.7m | Reduced -179.5k |
| STATE FARM MUTUAL AUTOMOBILE INSURANCE CO 0.14% of their portfolio | 388.2k $153.6m | Unchanged |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.05% of their portfolio | 380.3k $150.5m | Reduced -34.4k |
| MARSHALL WACE, LLP 0.25% of their portfolio | 375.7k $148.7m | Added +312.5k |
| Holocene Advisors, LP 0.52% of their portfolio | 357.0k $141.3m | New |
| SEI INVESTMENTS CO 0.21% of their portfolio | 355.8k $140.8m | Added +16.9k |
| EAGLE ASSET MANAGEMENT INC 0.70% of their portfolio | 343.9k $136.2m | Reduced -6.9k |
| ROYAL BANK OF CANADA 0.03% of their portfolio | 328.5k $130.0m | Reduced -13.2k |
| Amundi 0.05% of their portfolio | 328.3k $123.9m | Reduced -50.8k |
| CONGRESS ASSET MANAGEMENT CO 0.93% of their portfolio | 328.1k $129.8m | Reduced -308 |
| PRUDENTIAL FINANCIAL INC 0.16% of their portfolio | 280.1k $110.8m | Reduced -961 |
| AMERIPRISE FINANCIAL INC 0.03% of their portfolio | 279.5k $110.6m | Reduced -27.8k |
| AustralianSuper Pty Ltd 0.64% of their portfolio | 274.5k $108.7m | Reduced -47.8k |
| ENVESTNET ASSET MANAGEMENT INC 0.04% of their portfolio | 274.4k $108.6m | Added +13.9k |
| Epoch Investment Partners, Inc. 0.46% of their portfolio | 260.5k $103.1m | Added +37.1k |
| DF DENT & CO INC 1.26% of their portfolio | 259.9k $102.9m | Added +182.4k |
| DIMENSIONAL FUND ADVISORS LP 0.03% of their portfolio | 258.4k $102.2m | Reduced -11.2k |
| FMR LLC 0.01% of their portfolio | 254.9k $100.9m | Reduced -320.4k |
| Intermede Investment Partners Ltd 2.12% of their portfolio | 248.1k $98.2m | Added +42.5k |
| DEUTSCHE BANK AG\ 0.04% of their portfolio | 242.0k $95.7m | Reduced -159.1k |
| Ensign Peak Advisors, Inc 0.17% of their portfolio | 232.8k $92.1m | Added +97.1k |
| Swiss National Bank 0.06% of their portfolio | 221.6k $87.7m | Reduced -9.4k |
| RHUMBLINE ADVISERS 0.08% of their portfolio | 213.0k $84.3m | Added +7.1k |
| LORD, ABBETT & CO. LLC 0.13% of their portfolio | 202.4k $80.1m | Reduced -38.8k |
| ADAGE CAPITAL PARTNERS GP, L.L.C. 0.15% of their portfolio | 197.6k $78.2m | Added +125.7k |
| Sumitomo Mitsui Trust Group, Inc. 0.05% of their portfolio | 191.5k $75.8m | Added +2.8k |
| Allianz Asset Management GmbH 0.13% of their portfolio | 190.8k $75.5m | Added +4.8k |
| Aberdeen Group plc 0.15% of their portfolio | 189.4k $74.9m | Added +7.3k |
| Champlain Investment Partners, LLC 0.39% of their portfolio | 174.1k $68.9m | Reduced -91.6k |
| VICTORY CAPITAL MANAGEMENT INC 0.06% of their portfolio | 168.1k $66.5m | Added +114.6k |
| HSBC HOLDINGS PLC 0.05% of their portfolio | 167.2k $66.1m | Added +28.7k |
| Woodline Partners LP 0.61% of their portfolio | 166.6k $65.9m | Added +147.0k |
| CANADA PENSION PLAN INVESTMENT BOARD 0.07% of their portfolio | 166.1k $65.7m | Reduced -62.6k |
| AMI ASSET MANAGEMENT CORP 3.33% of their portfolio | 164.7k $65.2m | Added +5.2k |
| BANK OF MONTREAL /CAN/ 0.02% of their portfolio | 151.0k $59.5m | Reduced -9.7k |
| BARCLAYS PLC 0.03% of their portfolio | 150.7k $59.6m | Reduced -25.6k |
| Russell Investments Group, Ltd. 0.09% of their portfolio | 144.9k $57.3m | Added +13.5k |
| Rock Springs Capital Management LP 1.38% of their portfolio | 137.2k $54.3m | Unchanged |
| California Public Employees Retirement System 0.04% of their portfolio | 135.8k $53.7m | Reduced -5.1k |
| WELLS FARGO & COMPANY/MN 0.01% of their portfolio | 133.5k $52.8m | Added +18.9k |
| EULAV Asset Management 1.40% of their portfolio | 128.6k $50.9m | Added +5 |
| CREDIT SUISSE AG/ 0.05% of their portfolio | 124.7k $49.3m | Reduced -7.9k |
| Fiera Capital Corp 0.14% of their portfolio | 120.0k $47.5m | Added +26.1k |
| Iron Triangle Partners LP 4.90% of their portfolio | 119.7k $47.4m | New |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.06% of their portfolio | 116.7k $46.2m | Added +591 |
| Point72 Asset Management, L.P. 0.13% of their portfolio | 112.1k $44.4m | Added +4.5k |
| Vest Financial, LLC 1.12% of their portfolio | 106.7k $42.2m | Added +34.5k |
| NOMURA ASSET MANAGEMENT CO LTD 0.15% of their portfolio | 106.5k $42.2m | Added +19.5k |
| Mitsubishi UFJ Asset Management Co., Ltd. 0.06% of their portfolio | 106.0k $41.9m | Added +19.6k |
| National Pension Service 0.05% of their portfolio | 102.8k $40.7m | Added +2.0k |
| Pictet Asset Management Holding SA 0.04% of their portfolio | 101.9k $40.3m | Added +62.5k |
| BLAIR WILLIAM & CO/IL 0.13% of their portfolio | 101.9k $40.3m | Added +1.2k |
| FEDERATED HERMES, INC. 0.09% of their portfolio | 101.5k $40.2m | Reduced -12.7k |
| STRS OHIO 0.16% of their portfolio | 100.4k $39.7m | Added +8.9k |
| NEW YORK STATE COMMON RETIREMENT FUND 0.05% of their portfolio | 95.7k $37.9m | Reduced -41.4k |
| PRINCIPAL FINANCIAL GROUP INC 0.02% of their portfolio | 95.2k $37.7m | Reduced -596 |
| Cercano Management LLC 1.02% of their portfolio | 92.4k $36.6m | Added +22.9k |
| UBS Group AG 0.01% of their portfolio | 89.1k $35.3m | Added +6.8k |
| STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM 0.07% of their portfolio | 86.9k $30.1m | Added +2.1k |
| M&T Bank Corp 0.11% of their portfolio | 81.3k $32.2m | Added +608 |
| NEW YORK STATE TEACHERS RETIREMENT SYSTEM 0.06% of their portfolio | 78.3k $31.0m | Added +2.6k |
| Curi Capital, LLC 0.63% of their portfolio | 69.7k $27.6m | Added +3.7k |
| RAYMOND JAMES & ASSOCIATES 0.02% of their portfolio | 69.6k $27.5m | Reduced -381 |
| CITIGROUP INC 0.03% of their portfolio | 68.5k $27.1m | Added +14.0k |
| APG Asset Management US Inc. 0.16% of their portfolio | 68.3k $27.1m | Added +21.5k |
| MOORE CAPITAL MANAGEMENT, LP 0.53% of their portfolio | 65.0k $25.7m | New |
| Corient Private Wealth LP 0.05% of their portfolio | 64.5k $25.5m | Added +1.3k |