Revenue
2017
2018
2019
2020
2021
2022
2023
2024
2025
Alector, Inc. (ALEC)
Price$2.46Cached quote
Net income
2017
2018
2019
2020
2021
2022
2023
2024
2025
Free cash flow
2017
2018
2019
2020
2021
2022
2023
2024
2025
Total cash / debt
CashTotal debt
2017
2018
2019
2020
2021
2022
2023
2024
2025
Financial statements
| 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|
| Revenue | $21.0M | $100.6M | $97.1M | $133.6M | $207.1M | $21.1M | $21.2M | $27.5M | $2.9M |
| Research & development | $123.1M | $185.9M | $192.1M | $210.4M | $189.4M | $156.9M | $100.5M | $73.0M | $29.9M |
| Operating expenses | $177.1M | $245.6M | $248.8M | $271.5M | $244.4M | $216.3M | $135.6M | $85.0M | $36.4M |
| Operating income | −$156.0M | −$145.0M | −$151.7M | −$137.8M | −$37.4M | −$195.2M | −$114.4M | −$57.3M | −$32.7M |
| Operating margin | −741.30% | −144.19% | −156.33% | −103.16% | −18.04% | −925.08% | −539.16% | −208.26% | −1,137.85% |
| EBITDA | −$150.3M | −$139.6M | −$146.0M | −$132.1M | −$31.0M | −$189.3M | −$110.6M | −$56.3M | −$32.0M |
| EBITDA margin | −714.13% | −138.82% | −150.43% | −98.88% | −14.98% | −897.26% | −521.37% | −204.56% | −1,114.17% |
| Net income | −$142.9M | −$119.0M | −$130.4M | −$133.3M | −$36.3M | −$190.2M | −$105.4M | −$52.2M | −$32.5M |
| Net profit margin | −679.16% | −118.39% | −134.34% | −99.77% | −17.54% | −901.64% | −496.65% | −189.94% | −1,130.92% |
| Basic EPSper basic share | -$1.39 | -$1.23 | -$1.56 | -$1.62 | -$0.45 | -$2.45 | -$1.71 | -$4.62 | -$3.55 |
| Diluted EPSper diluted share | -$1.39 | -$1.23 | -$1.56 | -$1.62 | -$0.45 | -$2.45 | -$1.71 | -$4.62 | -$3.55 |
Owners
Reported shareholders
8.96%of listed shares
TCG Crossover Management, LLC10M shares · Jun 30, 2026
View holders
| Holder | % owned |
|---|---|
TCG Crossover Management, LLC | 8.96%10M shares |
Nantahala Capital Management, LLC | 7.73%8.64M shares |
BlackRock, Inc. | 7.03%7.85M shares |
ACADIAN ASSET MANAGEMENT LLC | 3.95%4.41M shares |
VANGUARD CAPITAL MANAGEMENT LLC | 3.59%4.01M shares |
Kynam Capital Management, LP | 3.41%3.81M shares |
Merck & Co., Inc. | 3.18%3.55M shares |
Balyasny Asset Management L.P. | 2.91%3.25M shares |
683 Capital Management, LLC | 2.87%3.2M shares |
D. E. Shaw & Co., Inc. | 2.65%2.96M shares |
ADAR1 Capital Management, LLC | 2.58%2.88M shares |
VANGUARD PORTFOLIO MANAGEMENT LLC | 2.53%2.82M shares |
GEODE CAPITAL MANAGEMENT, LLC | 2.20%2.45M shares |
Spruce Street Capital LP | 1.88%2.1M shares |
MILLENNIUM MANAGEMENT LLC | 1.78%1.99M shares |
Ikarian Capital, LLC | 1.78%1.98M shares |
STATE STREET CORP | 1.68%1.88M shares |
JACOBS LEVY EQUITY MANAGEMENT, INC | 1.58%1.77M shares |
MEDICI CAPITAL LLC | 1.48%1.65M shares |
Affinity Asset Advisors, LLC | 1.35%1.51M shares |
Percentages use 111.66M shares of this listed class outstanding on Jun 30, 2026.
Gray completes the 100% scale. Reported positions may overlap; holders have different reporting dates.
Source: SEC Form 13F ↗Updated Sep 29, 2026 · Quarterly data
Insider buys & sells
| Transaction | Insider | Type | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| Jun 3, 2026Form 4 | Wong-Sarad GracePrincipal Accounting Officer | SellCommon Stock | 3.5K | $1.88 | $6.5K | 95.5K |
| Jun 2, 2026Form 4 | Rosenthal ArnonChief Executive Officer | SellCommon Stock | 87.2K | $1.97 | $171.8K | 2.37M |
| Jun 2, 2026Form 4 | Wong-Sarad GracePrincipal Accounting Officer | SellCommon Stock | 5.7K | $1.97 | $11.2K | 98.9K |
| Jun 2, 2026Form 4 | Berkley Neil LindsayCFO & Chief Business Officer | SellCommon Stock | 19.4K | $1.97 | $38.1K | 379.9K |
| Apr 16, 2026Form 4 · 10b5-1 | Wong-Sarad GracePrincipal Accounting Officer | SellCommon Stock | 1.8K | $2.65 | $4.8K | 104.6K |