13FPulse
WS

WST WEST PHARMACEUTICAL SERVICES

2026Q2 · CUSIP 955306105 · Sector: Healthcare & Biotech

Piling in

Net holder growth ranks near the top of the market

Funds that own it
811
Institutions that reported holding it to the SEC
Net increase in holders
+58
Last quarter 753 → now 811
How unusual is that
Top 5%
Stronger buying than 96% of US stocks
What the filings say, in one paragraph

811 funds held WST at the end of 2026Q2, up 58 from the quarter before. That is stronger buying than 95.7% of US stocks — among the most piled-into names this quarter. On the business itself, revenue over the last 12 months was $3.3B(YoY +12.4%), the P/E is 43.4x, return on equity is 18.9%. WST has had 23 buying rushes in its history, and the price moved +3.2% on average over the six months after (that is the raw price move, not how much it beat the market by). It sits in the Healthcare & Biotech sector.

How many funds owned it, quarter by quarter

Bars = net change in institutional holders, positive (green) or negative (red). Line = total institutional holders.

2013Q3: holders=202 2013Q4: holders=226 2014Q1: holders=221 2014Q2: holders=218 2014Q3: holders=212 2014Q4: holders=225 2015Q1: holders=214 2015Q2: holders=219 2015Q3: holders=245 2015Q4: holders=248 2016Q1: holders=250 2016Q2: holders=286 2016Q3: holders=277 2016Q4: holders=287 2017Q1: holders=296 2017Q2: holders=310 2017Q3: holders=300 2017Q4: holders=336 2018Q1: holders=324 2018Q2: holders=324 2018Q3: holders=353 2018Q4: holders=351 2019Q1: holders=376 2019Q2: holders=371 2019Q3: holders=406 2019Q4: holders=444 2020Q1: holders=465 2020Q2: holders=518 2020Q3: holders=571 2020Q4: holders=588 2021Q1: holders=586 2021Q2: holders=634 2021Q3: holders=670 2021Q4: holders=731 2022Q1: holders=716 2022Q2: holders=651 2022Q3: holders=637 2022Q4: holders=638 2023Q1: holders=697 2023Q2: holders=732 2023Q3: holders=760 2023Q4: holders=784 2024Q1: holders=779 2024Q2: holders=780 2024Q3: holders=729 2024Q4: holders=744 2025Q1: holders=715 2025Q2: holders=732 2025Q3: holders=758 2025Q4: holders=804 2026Q1: holders=753 2026Q2: holders=811 -65 -32.5 +0 +32.5 +65 181517852 13Q315Q116Q318Q119Q321Q122Q324Q125Q326Q2 Net change in holders (bars) Total funds holding (line)

What happened after each past buying rush 23 times in its history

Quarter of the rush How unusual then Price, next 3 months Price, next 6 months
2026Q2 Top 5%
2025Q4 Top 20% +6.4% +25.4%
2025Q3 Top 20% +6.3% -7.0%
2025Q2 Top 20% +12.4% +7.6%
2023Q3 Top 5% -1.1% +1.8%
2023Q2 Top 5% -5.6% -12.5%
2023Q1 Top 1% in the market +8.7% +12.9%
2021Q4 Top 10% +7.8% -22.5%

These are the raw price moves, not how much it beat the market by. Compare them against the market over the same months — in a strong bull market almost everything is up.

Show all the numbers (large funds, value held, options…) ▾
Of them, large funds
311
Change in large funds
+27
Total value they hold
$24.9B
Funds buying for the first time
148
Funds that sold out entirely
90
Price change that quarter
+11.3%
Funds holding puts (bearish)
11
Funds holding calls (bullish)
7

These are for people who want to dig. Skip them if they do not mean anything to you — the three numbers above are enough.

8,697 institutions have filed for this quarter. 13F permits late filing and a small number arrive in the weeks after the deadline, so the holder counts and changes below may tick up.

Fundamentals

PE (TTM)
43.4
EPS (TTM)
$7.81
EPS YoY
+16.9%
Revenue (TTM)
$3.3B
Revenue YoY
+12.4%
Net margin
17.0%
ROE
18.9%
Debt ratio
26.7%
FCF (TTM)
$437M
Dividend (TTM)
No dividend
Quarterly Revenue & EPS
2022-09-30: EPS 1.59 2022-12-31: EPS 1.37 2023-03-31: EPS 1.85 2023-06-30: EPS 2.06 2023-09-30: EPS 2.14 2023-12-31: EPS 1.83 2024-03-31: EPS 1.55 2024-06-30: EPS 1.51 2024-09-30: EPS 1.85 2024-12-31: EPS 1.78 2025-03-31: EPS 1.23 2025-06-30: EPS 1.82 2025-09-30: EPS 1.92 2025-12-31: EPS 1.82 2026-03-31: EPS 1.92 2026-06-30: EPS 2.15 0M 436M 872M $M 0.00 1.18 2.37 2016201720182019202020212022202320242025202606/26 Revenue EPS

Quarterly figures, revenue up to 10 years back; EPS split-adjusted, early quarters hidden when not calibrable

P/E (TTM) over time
4Y median 43 29 44 60 2023202420252026

P/E = close around day 47 after quarter-end ÷ TTM EPS then; this is a consistent valuation date, not the company’s actual filing date; loss quarters hidden

Quarterly free cash flow
-17M79M175M 20162017201820192020202120222023202420252026
Latest quarter $47M (2026-03-31)

FCF = operating cash flow − capex, computed from SEC XBRL; banks/insurers have no standard cash-flow structure and are hidden

As of 2026-06-30 · SEC filings (XBRL)

Email me the next update

2026 Q3 holdings are due 2026-11-16. We will email you when the refreshed lists are live.