What is Vertex Pharmaceuticals's shares (basic)?

Vertex Pharmaceuticals (VRTX) reported shares (basic) of 255.6M in Q3 2025.

How has Vertex Pharmaceuticals's shares (basic) changed year-over-year?

Vertex Pharmaceuticals's shares (basic) decreased by 0.9% year-over-year, from 258M to 255.6M.

What does shares (basic) mean?

The average number of actual shares owned by investors throughout the year, accounting for any shares the company bought back or issued.

Earnings Per Share

Shares (Basic)

Vertex Pharmaceuticals Shares (Basic) decreased by 0.4% to 255.6M in Q3 2025 compared to the prior quarter. Year-over-year, this metric declined by 0.9%, from 258M to 255.6M.

Analysis

StatementIncome Statement

SectionEarnings Per Share

CategoryCapital Allocation

SignalContext dependent

VolatilityStable

First reportedQ4 2013

Last reportedQ4 2025

How to read this metric

A decreasing trend typically signals an aggressive share buyback program, which can increase the value of remaining shares.

Detailed definition

Weighted-average shares outstanding (basic) is the calculation of the total number of common shares held by the public d...

Peer comparison

Used to evaluate the scale of a company's equity base relative to its market capitalization and peer group.

Metric ID: is_weighted_shares_basic

Historical Data

14 periods

	Q2 '21	Q3 '21	Q1 '22	Q2 '22	Q3 '22	Q1 '23	Q2 '23	Q3 '23	Q1 '24	Q2 '24	Q3 '24	Q1 '25	Q2 '25	Q3 '25
Value	259M	257.9M	255.1M	255.9M	256.5M	257.4M	257.7M	258M	258.2M	258.1M	258M	256.9M	256.7M	255.6M
QoQ Change	—	-0.4%	-1.1%	+0.3%	+0.2%	+0.4%	+0.1%	+0.1%	+0.1%	-0.0%	-0.0%	-0.4%	-0.1%	-0.4%
YoY Change	—	—	—	-1.2%	-0.5%	+0.9%	+0.7%	+0.6%	+0.3%	+0.2%	+0.0%	-0.5%	-0.5%	-0.9%

Range255.1M – 259M

CAGR-0.4%

Avg YoY Growth-0.1%

Median YoY Growth+0.0%

Current Streak5 quarters decline

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Frequently Asked Questions

What is Vertex Pharmaceuticals's shares (basic)?: Vertex Pharmaceuticals (VRTX) reported shares (basic) of 255.6M in Q3 2025.
How has Vertex Pharmaceuticals's shares (basic) changed year-over-year?: Vertex Pharmaceuticals's shares (basic) decreased by 0.9% year-over-year, from 258M to 255.6M.
What does shares (basic) mean?: The average number of actual shares owned by investors throughout the year, accounting for any shares the company bought back or issued.