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ALEC NASDAQ US

Alector, Inc. - Common Stock

Healthcare · Biotechnology Website · IPO Feb 2019
$2.41
▼ $-0.12 (-4.74%)
Vol 1.3M
4
Quality Score
fail
Mkt Cap
$170.3M
ROE
-123.0%
Margin
-156.0%
D/E
16.65
Beta
0.65
52W
$1–$3

Wall Street Consensus

13 analysts · Apr 2026
1
Strong Buy
1
Buy
6
Hold
3
Sell
2
Strong Sell
15.4%
Buy Rating

Price Chart

Earnings

Beat rate: 100.0%
Quarter EPS Est EPS Act Surprise
Dec 2025 $-0.39 $-0.34 +$0.05
Sep 2025 $-0.42 $-0.34 +$0.08
Jun 2025 $-0.47 $-0.30 +$0.17
Mar 2025 $-0.49 $-0.41 +$0.08

Quarterly Revenue & Earnings

Quarter 2024-1… 2025-0… 2025-0… 2025-0… 2025-1…
Revenue $54.2M $3.7M $7.9M $3.3M $6.2M
Net Income -$2.1M -$40.5M -$30.5M -$34.7M -$37.3M

Fundamentals Trend

Metric 2025-06-30 2025-09-02 2025-10-02 2025-11-03 2025-12-03 2026-01-02
ROE (TTM) -112.1% -112.1% -112.1% -112.1% -123.0% -123.0%
P/E (TTM)
Net Margin -387.7% -142.1% -142.1% -142.1% -156.0% -156.0%
Gross Margin
D/E Ratio 13.40 13.40 13.40 13.40 16.65 16.65
Current Ratio 3.78 3.78 3.78 3.78 3.76 3.76

Key Ratios

ROA (TTM)
-27.5%
P/S (TTM)
2.47
P/B
1.5
EPS (TTM)
$-1.07
CF/Share
$-1.58
Rev Growth 3Y
-21.4%
52W High
$3.40
52W Low
$0.87
$0.87 52-Week Range $3.40

Financial Health

Free Cash Flow
-$41.7M
Net Debt
-$29.6M
Cash
$65.8M
Total Debt
$36.2M
As of Dec 31, 2025

How does ALEC compare to Biotechnology peers?

Peer group: Micro-cap Biotechnology (All) · 528 companies

ALEC AAPG ABEO ABOS ABP

ALEC valuation vs Biotechnology peers

P/E ratio
0% below peers (18.8)
vs Peers
vs Industry
Undervalued
P/S ratio
2.5
81% below peers (12.9)
vs Peers
vs Industry
Undervalued
P/B ratio
1.5
41% below peers (2.5)
vs Peers
vs Industry
Undervalued
Div yield
0% below peers (0.0%)
vs Peers
vs Industry
Low yield

ALEC profitability vs Biotechnology peers

ROE
-123.0%
83% below peers (-67.3%)
vs Peers
vs Industry
Weak
Net margin
-156.0%
46% above peers (-286.8%)
vs Peers
vs Industry
Below avg
Gross margin
0% below peers (78.6%)
vs Peers
vs Industry
In line
ROA
-27.5%
41% above peers (-46.7%)
vs Peers
vs Industry
Below avg

ALEC financial health vs Biotechnology peers

D/E ratio
16.7
0% below peers (0.0)
vs Peers
vs Industry
High debt
Current ratio
3.8
15% below peers (4.4)
vs Peers
vs Industry
In line
Beta
0.7
33% below peers (1.0)
vs Peers
vs Industry
More volatile

ALEC fundamentals radar

ALEC Peer median Industry

ALEC profitability vs leverage

Bubble size = market cap · X = net margin · Y = D/E ratio

ALEC vs peers: key metrics

Insider Activity

Neutral
Buys
0
Sells
0
ROSENTHAL ARNON
Chief Executive Officer · Mar 13
116246 shs
BERKLEY NEIL LINDSAY
Chief Financial Officer · Mar 13
54600 shs
WONG-SARAD GRACE
Officer · Mar 10
1000 shs
WONG-SARAD GRACE
Officer · Mar 03
3367 shs
BERKLEY NEIL LINDSAY
Chief Financial Officer · Mar 02
29649 shs
WONG-SARAD GRACE
Officer · Mar 02
8071 shs
ROSENTHAL ARNON
Chief Executive Officer · Mar 02
81864 shs
WONG-SARAD GRACE
Officer · Feb 26
4079 shs
Last 90 days

Top Holders

Top 5: 28.53%
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Blackrock Inc.
6.48%
$14.3M
Vanguard Group Inc
6.26%
$13.8M
Foresite Capital Management…
3.52%
$7.8M
Merck & Co., Inc.
3.21%
$7.1M
As of Dec 31, 2025

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