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Alector shares outstanding ALEC

Diluted shares outstanding, averaged over each quarter, from 2018.

Latest quarter, to Jun 30, 2026
111.2M
On a year earlier
+10.8%
more shares

Alector had 111.2M diluted shares outstanding on average in Q2 FY26, the quarter to Jun 30, 2026.

That is 10.8% more than a year earlier, so each share owns a little less of the company.

Shares outstanding over time

Open the interactive chart, with overlays and comparisons

Fiscal year by fiscal year

Fiscal yearShares, fourth quarterChange
FY2025109.5M+11%
FY202498.3M+17%
FY202384.4M+2%
FY202282.8M+2%
FY202181.5M+3%
FY202079M+16%
FY201967.9M+478%
FY201811.7Mn/a

Each fiscal year is the twelve months to its fourth quarter, shown as the fourth quarter's average share count.

Quarter by quarter

QuarterEndedShares outstandingOn a year earlier
Q2 FY26111.2M+11%
Q1 FY26110.6M+11%
Q4 FY25109.5M+11%
Q3 FY25102.6M+5%
Q2 FY25100.4M+4%
Q1 FY2599.4M+6%
Q4 FY2498.3M+17%
Q3 FY2497.5M+16%
Q2 FY2496.7M+16%
Q1 FY2493.8M+13%
Q4 FY2384.4M+2%
Q3 FY2383.9M+2%

What the shares outstanding tells you

Diluted shares outstanding, averaged over the period. Fewer shares means each one owns more of the company.

A falling count usually means buybacks. A rising one means stock pay, acquisitions paid in shares or new shares sold.

More on Alector

Valuation data, not investment advice. Prices as of . Reported figures come from the company's filings with the SEC.