Alector Inc Revenue Growth Rates (ALEC), Current and Historic Growth - CSIMarket
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Alector Inc   (NASDAQ: ALEC)
 

ALEC's Revenue Growth by Quarter and Year

Alector Inc 's Revenue results by quarter and year




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ALEC Revenue (in millions $) FY 2026 FY 2025 FY 2024 FY 2023
4th Quarter December -
3rd Quarter September 162.87
2nd Quarter June 3.32
1st Quarter March 1.05
FY 167.24

ALECs Annual Revenue
Alector Inc 's Revenue in the fiscal year 2025 $ 21.05 millions
Alector Inc 's Revenue in the fiscal year 2024 $ 100.56 millions
Alector Inc 's Revenue in the fiscal year 2023 $ 97.06 millions
Alector Inc 's Revenue in the fiscal year 2022 $ 133.62 millions
Alector Inc 's Revenue in the fiscal year 2021 $ 207.09 millions




ALEC Revenue third quarter 2026 Y/Y Growth Comment
Alector Inc achieved in the third quarter 2026, above Company average Revenue surge of 4895.89% year on year, to $ 162.87 millions.

Looking into third quarter 2026 results within Biotechnology & Pharmaceuticals industry 58 other companies have achieved higher Revenue growth. While Alector Inc ' s Revenue doubling of 4895.89% ranks overall at the positon no. 3808 in the third quarter 2026.




ALEC Revenue ( Y/Y Growth %) 2026
FY 2025 FY 2024 FY 2023
4th Quarter December -
3rd Quarter September 4895.89 %
2nd Quarter June -57.81 %
1st Quarter March -71.39 %
FY   -

Financial Statements
Alector Inc 's third quarter 2026 Revenue $ 162.87 millions ALEC's Income Statement
Alector Inc 's third quarter 2025 Revenue $ 3.26 millions Quarterly ALEC's Income Statement


ALEC Revenue (Quarter on Quarter Growth %)

2026
FY 2025 FY 2024 FY 2023
4th Quarter December -
3rd Quarter September 4805.6 %
2nd Quarter June 216.19 %
1st Quarter March -83.17 %
FY (Year on Year)   -




Revenue third quarter 2026 Y/Y Growth Company Ranking
Within: No.
Biotechnology & Pharmaceuticals Industry #59
Healthcare Sector #532
Overall #3808

Revenue Y/Y Growth Statistics
High Average Low
2989.65 % 149.62 % -91.86 %
(Jun 30 2022)   (Jun 30 2026)
Revenue third quarter 2026 Y/Y Growth Company Ranking
Within: No.
Biotechnology & Pharmaceuticals Industry #59
Healthcare Sector #532
Overall #3808
Revenue Y/Y Growth Statistics
High Average Low
2989.65 % 149.62 % -91.86 %
(Jun 30 2022)   (Jun 30 2026)

Revenue by Quarter for the Fiscal Years 2023, 2024, 2025, 2026

Alector Inc 's Q/Q Revenue Growth


Revenue Q/Q Growth Statistics
High Average Low
2677.3 % 111.56 % -93.23 %
(Sep 30 2021)  


ALEC's III. Quarter Q/Q Revenue Comment
Alector Inc achieved in the III. Quarter 2026 above company average sequential Revenue doubling of 4805.6%, to $ 162.87 millions, from $3.32 millions in the second quarter.
ALEC is undergoing a remarkable growth, with claiming higher then normal increase, and additionally increasing rate.

Within Biotechnology & Pharmaceuticals industry 4 other companies have achieved higher Revenue quarter on quarter growth. While Alector Inc 's Revenue growth quarter on quarter, overall rank is 81.


Revenue Q/Q Growth Company Ranking
Within: No.
Biotechnology & Pharmaceuticals Industry #5
Healthcare Sector #32
Overall #81
Revenue Q/Q Growth Company Ranking
Within: No.
Biotechnology & Pharmaceuticals Industry #5
Healthcare Sector #32
Overall #81
Revenue Q/Q Growth Statistics
High Average Low
2677.3 % 111.56 % -93.23 %
(Sep 30 2021)  


ALEC's III. Quarter Q/Q Revenue Comment
Alector Inc achieved in the III. Quarter 2026 above company average sequential Revenue doubling of 4805.6%, to $ 162.87 millions, from $3.32 millions in the second quarter.
ALEC is undergoing a remarkable growth, with claiming higher then normal increase, and additionally increasing rate.

Within Biotechnology & Pharmaceuticals industry 4 other companies have achieved higher Revenue quarter on quarter growth. While Alector Inc 's Revenue growth quarter on quarter, overall rank is 81.


Alector Inc 's 12 Months Revenue Growth Year on Year


Revenue TTM Growth

12 Months Ending
(Sep 30 2026)
12 Months Ending (Jun 30 2026) 12 Months Ending (Mar 31 2026) 12 Months Ending (Dec 31 2025) 12 Months Ending (Sep 30 2025)
Cumulative Revenue 12 Months Ending $ 173.47
Y / Y Revenue Growth (TTM) 151.23 %
Year on Year Revenue Growth Overall Ranking # 369
Seqeuential Revenue Change (TTM) 1151.31 %
Seq. Revenue Growth (TTM) Overall Ranking # 3150


Cumulative Revenue growth Comment
Alector Inc saw improvement in Revenue growth trend, posting cumulative 12 months Revenue growth of 151.23% year on year, to $ 173 millions if the fiscal year would have ended in Sep 30 2026.
Alector Inc 's trailing twelve months Revenue growth was higher than company's average 130.23% and higher than -82.91% growth in Jun 30 2026.

In the Healthcare sector 94 other companies have achieved higher trailing twelve month Revenue growth. While Total ranking has impoved so far to 369, from total ranking in previous quarter at 2153.

Revenue TTM Y/Y Growth Company Ranking
Within: No.
Biotechnology & Pharmaceuticals Industry # 43
Healthcare Sector # 95
Overall # 369

Revenue TTM Y/Y Growth Statistics
High Average Low
1303 %
130.23 %
-82.91 %
 


Revenue TTM Q/Q Growth Company Ranking
Within: No.
Industry # 43
Sector # 423
S&P 500 # 3150
Cumulative Revenue growth Comment
Alector Inc saw improvement in Revenue growth trend, posting cumulative 12 months Revenue growth of 151.23% year on year, to $ 173 millions if the fiscal year would have ended in Sep 30 2026.
Alector Inc 's trailing twelve months Revenue growth was higher than company's average 130.23% and higher than -82.91% growth in Jun 30 2026.
The momentum is even more impressive from twelve months ended Jun 30 2026 exhibited at 1151.31 % increase from $13.86 millions in the period from Jun 30 2026 to Sep 30 2025.

In the Healthcare sector 94 other companies have achieved higher trailing twelve month Revenue growth. While Total ranking has impoved so far to 369, from total ranking in previous quarter at 2153.


Revenue TTM Y/Y Growth Company Ranking
Within: No.
Biotechnology & Pharmaceuticals Industry # 43
Healthcare Sector # 95
Overall # 369

Revenue TTM Y/Y Growth Statistics
High Average Low
1303 %
130.23 %
-82.91 %
 


Revenue TTM Q/Q Growth Company Ranking
Within: No.
Industry # 43
Sector # 423
S&P 500 # 3150




Other Revenue Growth
Biotechnology & Pharmaceuticals Industry Revenue Growth Trends and Statistics
Healthcare Sector Revenue Growth Statistics
Revenue Growth Trends for overall market
ALEC's Revenue Growth Ratio versus Biotechnology & Pharmaceuticals Industry, Healthcare Sector and total Market
Highest Ranking Revenue Growth
Lowest Ranking Revenue Growth




Companies with similar Revenue doubling for the quarter ending Sep 30 2026 within Healthcare SectorY/Y Change %Revenue for the quarter ending Sep 30 2026
Protagonist Therapeutics inc 5,723.64%$ 5,723.642 millions
Newamsterdam Pharma Company N v 5,406.90%$ 5,406.897 millions
Alector Inc 4,895.89%$ 4,895.890 millions
4d Molecular Therapeutics Inc 4,505.56%$ 4,505.556 millions


About Alector Inc Revenue Growth Rates (ALEC), Current and Historic Growth - CSIMarket Analysis

How we calculate this

This page is based on issuer-reported fundamentals and CSIMarket’s U.S. equities database (20+ years). Growth is computed using year-over-year (Y/Y), sequential, and trailing-twelve-month (TTM) methods.

What’s included here

Company: Alector Inc (CIK 1653087).

Source & verification

Last updated

  • Page updated:
  • Data lineage: SEC filings → XBRL parse → normalization CSIMarket.com Database → growth calculations.
  • Accession: 0001193125-26-449871
  • Figures are derived from filed reports and may be restated; numbers are subject to revision.

Sources: Alector Inc’s SEC filings (XBRL/Inline XBRL) and CSIMarket.com’s normalization & QA processes.



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