WST

West Pharmaceutical Services, Inc.

Healthcare · $26.2B market cap

Share price

$364.98

close of Oct 3, 2026

Fair value

$135.86

Sticker Price

Payback Price

$54.34

buy price

Overpriced

WST is Overpriced: at $364.98 it trades 169% above its fair value of $135.86. Its buy price (Payback Price) is $54.34, 85% below today's price. Business quality is strong: 4 of 5 key numbers clear the 10% bar.

How we valued it

Buffett Normalized. A profitable, growing business, so we project its earnings 10 years ahead and work out what that is worth today.

Business quality

4 of 5 clear the 10% bar. What are the Big Five?

Earnings per share growth14.1% a year✓

Equity per share growth10.5% a year✓

Sales growth6.7% a year✗

Free cash flow growth17.0% a year✓

Return on invested capital15.7%✓

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Superinvestors

2 of the investors we track hold WST. In Q2 2026, 1 trimmed and 1 sold out. Who we track

Bill & Melinda Gates Foundation Trust

Bill & Melinda Gates Foundation Trust · as of Q2 2026

$159.6M

444,500 shares

Hillman Capital Management

Hillman Capital Management · as of Q2 2026

$2.6M

7,106 shares

Moves in Q2 2026

Trimmed: Hillman Capital Management

Sold out: Viking Global Investors

Insider activity

Since Jun 30, 2026: no open-market purchases, 1 sale worth $852K and 14 other filings (stock awards, tax withholding and similar). Why purchases matter

Sales

Favorite Annette F

Sr. VP & Chief HR Officer · 2026-09-08

Sold

$852K