ALEC
Alector Inc
2.00$
+9.9%
vs. previous close
Closing price · As of: Oct 5, 2026
Statements
Ratios
Valuation ratios (P/E, P/S, EV/EBITDA and the other multiples) are based on the closing price at the end of each period, not on the current price. Margins and returns are shown in percent, multiples without a unit, per-share figures in the reporting currency, net debt in millions.
Tick rows to compare them in a chart (up to 4)
| Line item | Q4 16 | Q1 17 | Q2 17 | Q3 17 | Q4 17 | Q1 18 | Q2 18 | Q3 18 | Q4 18 | Q1 19 | Q2 19 | Q3 19 | Q4 19 | Q1 20 | Q2 20 | Q3 20 | Q4 20 | Q1 21 | Q2 21 | Q3 21 | Q4 21 | Q1 22 | Q2 22 | Q3 22 | Q4 22 | Q1 23 | Q2 23 | Q3 23 | Q4 23 | Q1 24 | Q2 24 | Q3 24 | Q4 24 | Q1 25 | Q2 25 | Q3 25 | Q4 25 | Q1 26 | Q2 26 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Valuation | |||||||||||||||||||||||||||||||||||||||
| – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 23.2 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | |
| – | – | – | – | – | – | – | – | – | 44.7 | 45.4 | 39.9 | 55.0 | 79.1 | 100.5 | 37.2 | 56.5 | 88.5 | 77.4 | 9.8 | 8.1 | 5.2 | 2.8 | 5.9 | 5.7 | 4.1 | 4.9 | 5.7 | 6.9 | 5.8 | 7.9 | 7.4 | 1.9 | 1.4 | 1.7 | 4.5 | 7.8 | 13.2 | 16.0 | |
| – | – | – | – | – | – | – | – | – | 4.8 | 5.2 | 4.5 | 6.0 | 4.6 | 5.4 | 2.7 | 4.5 | 7.0 | 9.0 | 5.8 | 5.6 | 4.4 | 2.9 | 3.1 | 3.6 | 2.8 | 2.6 | 3.4 | 5.0 | 3.1 | 2.9 | 3.8 | 1.5 | 1.3 | 2.0 | 5.3 | 5.4 | 23.4 | – | |
| – | – | – | – | – | – | – | – | – | 44.3 | 43.1 | 36.6 | 51.1 | 72.4 | 96.0 | 33.7 | 54.5 | 82.8 | 71.9 | 7.2 | 6.6 | 3.2 | 2.3 | 4.6 | 4.6 | 2.6 | 3.7 | 4.7 | 6.2 | 5.2 | 7.2 | 6.9 | 1.7 | 1.1 | 1.4 | 3.6 | 5.6 | 10.1 | 13.1 | |
| – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 15.3 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | |
| – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 6.6 | 5.7 | 2.4 | 1.8 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | |
| – | – | – | – | – | – | – | – | – | -6.6% | -7.3% | -10.5% | -9.8% | -6.9% | -7.5% | -18.6% | -14.4% | -11.9% | -11.4% | 15.3% | 17.5% | 41.2% | 55.9% | -3.1% | -3.2% | -40.5% | -38.8% | -34.8% | -27.8% | -35.3% | -50.1% | -48.9% | -123.7% | -192.9% | -153.7% | -64.2% | -111.7% | -71.2% | -71.2% | |
| Margins | |||||||||||||||||||||||||||||||||||||||
| – | – | – | – | -700.8% | -330.0% | -210.8% | -176.8% | -163.9% | -188.8% | -222.1% | -305.8% | -373.8% | -402.6% | -545.8% | -521.5% | -643.5% | -831.4% | -747.9% | 8.6% | 8.5% | 13.5% | 32.4% | -56.7% | -57.5% | -66.5% | -96.9% | -106.5% | -51.1% | -0.7% | 3.8% | 10.9% | 1.5% | -47.6% | -91.9% | -98.5% | -484.8% | -396.9% | -360.9% | |
| – | – | – | – | -874.9% | -423.1% | -271.3% | -222.7% | -207.0% | -242.7% | -297.3% | -414.9% | -539.2% | -595.7% | -815.0% | -785.6% | -925.1% | -1,140.6% | -1,000.5% | -17.4% | -18.0% | -12.7% | 12.0% | -103.7% | -103.2% | -114.4% | -153.7% | -165.8% | -156.3% | -150.8% | -338.9% | -301.1% | -144.2% | -165.3% | -165.8% | -179.1% | -741.3% | -741.3% | -914.6% | |
| – | – | – | – | -869.6% | -412.0% | -258.3% | -206.8% | -188.8% | -219.9% | -269.1% | -378.6% | -496.7% | -556.7% | -775.3% | -757.8% | -901.6% | -1,122.0% | -990.0% | -16.6% | -17.5% | -12.7% | 12.1% | -102.5% | -99.8% | -107.0% | -140.2% | -146.8% | -134.3% | -125.1% | -290.7% | -257.5% | -118.4% | -139.7% | -142.1% | -156.0% | -679.2% | -680.8% | -850.1% | |
| – | – | – | – | -497.2% | 2,025.6% | 1,029.8% | 653.4% | 453.7% | -295.9% | -332.3% | -419.7% | -540.0% | -548.0% | -754.7% | -691.0% | -814.1% | -1,050.8% | -880.1% | 149.9% | 142.6% | 212.5% | 156.5% | -18.5% | -18.3% | -165.8% | -190.5% | -197.2% | -192.2% | -206.3% | -394.0% | -361.4% | -229.9% | -260.5% | -266.2% | -286.2% | -874.7% | -940.4% | -1,142.6% | |
| Returns | |||||||||||||||||||||||||||||||||||||||
| – | – | – | – | – | -135.9% | -50.4% | – | – | -23.4% | -30.9% | -42.2% | -54.1% | -32.4% | -41.5% | -54.3% | -71.1% | -88.8% | -115.0% | -9.8% | -12.1% | -10.8% | 12.6% | -53.9% | -62.2% | -73.5% | -72.9% | -87.0% | -97.2% | -67.4% | -106.7% | -133.2% | -93.9% | -130.5% | -162.0% | -186.7% | -466.3% | -1,207.7% | – | |
| – | – | – | – | -13.8% | -12.6% | -14.3% | -14.0% | -16.9% | -12.6% | -15.9% | -20.5% | -25.0% | -20.5% | -25.8% | -31.7% | -39.0% | -46.0% | -53.4% | -3.9% | -4.5% | -3.0% | 4.1% | -16.3% | -16.9% | -18.0% | -20.2% | -21.0% | -21.0% | -19.0% | -28.2% | -30.7% | -25.4% | -30.2% | -32.3% | -32.1% | -48.7% | -52.3% | -58.1% | |
| Balance Sheet & Debt | |||||||||||||||||||||||||||||||||||||||
| – | – | – | – | – | – | – | – | -31 | -13 | -64 | -81 | -83 | -154 | -86 | -78 | -42 | -103 | -118 | -509 | -321 | -447 | -164 | -176 | -146 | -187 | -123 | -94 | -66 | -64 | -39 | -28 | -15 | -20 | -26 | -58 | -47 | -58 | -41 | |
| – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | -3.7 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | |
| 97.2% | – | – | – | -22.0% | 9.3% | 28.4% | -26.0% | -31.6% | 53.7% | 51.5% | 48.6% | 46.2% | 63.3% | 62.1% | 58.4% | 54.8% | 51.7% | 46.5% | 39.3% | 36.9% | 28.0% | 32.4% | 30.2% | 27.2% | 24.5% | 27.7% | 24.2% | 21.6% | 28.2% | 26.4% | 23.0% | 27.1% | 23.2% | 20.0% | 17.2% | 10.5% | 4.3% | -4.9% | |
| – | – | – | – | – | – | – | – | – | 0.2 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 0.1 | 0.0 | 0.1 | 0.1 | 0.1 | 0.2 | 0.3 | 0.3 | 0.6 | 1.8 | – | |
| Per Share | |||||||||||||||||||||||||||||||||||||||
| – | – | – | – | -0.63 | -0.68 | -0.77 | -0.87 | -0.76 | -0.92 | -1.13 | -1.36 | -1.55 | -1.70 | -1.88 | -2.14 | -2.41 | -2.55 | -2.66 | -0.39 | -0.45 | -0.35 | 0.44 | -1.65 | -1.61 | -1.62 | -1.71 | -1.68 | -1.56 | -1.29 | -1.66 | -1.64 | -1.21 | -1.24 | -1.15 | -1.05 | -1.39 | -1.13 | -1.06 | |
| – | – | – | 0.04 | 0.07 | 0.16 | 0.30 | 0.42 | 0.40 | 0.42 | 0.42 | 0.36 | 0.31 | 0.30 | 0.24 | 0.28 | 0.27 | 0.23 | 0.27 | 2.32 | 2.54 | 2.77 | 3.64 | 1.61 | 1.61 | 1.51 | 1.22 | 1.15 | 1.16 | 1.03 | 0.57 | 0.64 | 1.02 | 0.89 | 0.81 | 0.67 | 0.20 | 0.17 | 0.12 | |
| – | – | – | – | -1.02 | 0.50 | 1.53 | -1.62 | -1.42 | 3.92 | 3.65 | 3.23 | 2.87 | 5.24 | 4.53 | 3.94 | 3.39 | 2.87 | 2.31 | 3.94 | 3.69 | 3.26 | 3.49 | 3.06 | 2.59 | 2.20 | 2.35 | 1.94 | 1.60 | 1.91 | 1.56 | 1.23 | 1.29 | 0.95 | 0.71 | 0.56 | 0.30 | 0.09 | -0.09 | |
| – | – | – | – | -0.36 | 3.32 | 3.06 | 2.75 | 1.84 | -1.24 | -1.39 | -1.51 | -1.69 | -1.67 | -1.83 | -1.95 | -2.17 | -2.39 | -2.36 | 3.48 | 3.62 | 5.89 | 5.70 | -0.30 | -0.30 | -2.51 | -2.33 | -2.26 | -2.23 | -2.12 | -2.25 | -2.30 | -2.35 | -2.31 | -2.15 | -1.93 | -1.79 | -1.57 | -1.42 | |
Data as of: October 5, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.