Alector, Inc. balance sheet ALEC

Annual Quarterly

As of Sep 30, 2026, Alector, Inc. had total assets of $165.8 million and total liabilities of $49.2 million. Total assets were down 50.6% from a year earlier. Stockholders' equity was $116.6 million. It held $138.7 million in cash and investments against $21.0 million of total debt, net cash of $117.7 million. The current ratio, current assets divided by current liabilities, was 4.10.

USD in millions, except ratios and per-share amounts. The percent under a figure is the change from the year before.

Line	FY 2026 Sep 30, 2026	FY 2025 Dec 31, 2025	FY 2024 Dec 31, 2024	FY 2023 Dec 31, 2023	FY 2022 Dec 31, 2022	FY 2021 Dec 31, 2021	FY 2020 Dec 31, 2020	FY 2019 Dec 31, 2019
Assets
Cash	75 -1.3%	66 +99.3%	33 -55.7%	75 -51.7%	154 -53.1%	329 +558.7%	50 -44.3%	90
Short-term investments	63 -70.5%	190 -50.0%	380 -19.8%	474 -15.1%	559 +37.5%	406 +11.8%	363 +37.9%	263
Cash and investments	139 -52.4%	256 -38.1%	413 -24.7%	549 -23.0%	713 -3.0%	735 +77.9%	413 +17.1%	353
Total current assets	145 -51.6%	266 -37.3%	425 -24.9%	566 -22.1%	726 -3.1%	750 +77.9%	422 +17.9%	357
Property and equipment, net	8 -39.8%	11 -36.8%	17 -21.6%	22 -14.3%	26 -6.6%	27 -9.4%	30 -10.8%	34
Total assets	166 -50.6%	293 -37.4%	468 -24.7%	622 -21.1%	788 -3.3%	815 +66.9%	488 +15.7%	422
Liabilities and equity
Accounts payable	1 -76.0%	2 -23.7%	2 -41.3%	4 -9.9%	4 -11.8%	5 +58.1%	3 +980.6%	0
Total current liabilities	35 -55.7%	70 -44.4%	125 -29.7%	178 +89.7%	94 -32.8%	140 +105.0%	68 +9.9%	62
Total liabilities	49 -82.3%	263 -23.1%	342 -30.0%	488 -14.9%	573 +11.5%	514 +132.8%	221 -2.8%	227
Stockholders' equity	117 +102.0%	31 -75.8%	127 -5.5%	134 -37.4%	214 -28.7%	301 +12.4%	268 +37.4%	195
Debt
Debt due within a year	—	1 +70.7%	1	—	—	—	—	—
Long-term debt	0 -100.0%	9 -0.7%	9	—	—	—	—	—
Lease liabilities	21 -25.7%	27 -19.9%	33 -14.9%	39 -10.2%	43 -9.0%	48 -7.1%	51 +6.7%	48
Total debt	21 -44.6%	37 -14.4%	43 +10.8%	39 -10.2%	43 -9.0%	48 -7.1%	51 +6.7%	48
Net cash	118 -53.5%	219 -40.8%	370 -27.4%	510 -23.8%	670 -2.6%	688 +89.9%	362 +18.7%	305
Ratios
Current ratio	4.10x	3.83x	3.40x	3.18x	7.74x	5.37x	6.19x	5.77x
Debt to equity	0.18x	1.20x	0.34x	0.29x	0.20x	0.16x	0.19x	0.25x
Debt to EBITDA	0.54x	—	—	—	—	—	—	—
Return on equity	35.53%	-466.34%	-93.89%	-97.19%	-62.17%	-12.08%	-71.11%	-54.11%
Return on assets	24.98%	-48.74%	-25.42%	-20.97%	-16.93%	-4.46%	-38.96%	-24.98%
Book value per share	1.04	0.28	1.28	1.58	2.59	3.67	3.37	2.82

How these figures are calculated

Annual columns are full-year amounts from the annual report (Form 10-K, 20-F, or 40-F). If a company restates a year, the latest filed number is shown. USD in millions, except ratios and per-share amounts. Cash and investments adds short-term and long-term marketable securities to cash. Debt due within a year is the borrowings that are not already in long-term debt. Total debt is those borrowings plus lease liabilities. Net cash is cash and investments minus total debt. Return on equity and return on assets divide the trailing twelve months of net income by the balance on that date. Debt to EBITDA uses the trailing twelve months of EBITDA. The first column is the latest balance sheet when it is newer than the latest fiscal year. More on our methodology.

Company profile

Industry: Biological Products, (No Diagnostic Substances) (SIC 2836)
Listed as: ALEC (Nasdaq)
Fiscal year ends: December 31
Headquarters: South San Francisco, CA
SEC filer status: Accelerated filer, Smaller reporting company
SEC CIK: 1653087
Former names: Alector LLC (until Sep 16, 2015)

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Source: SEC EDGAR filings. This is company-reported data, not investment advice.