QSI
QuantumSi Inc
NASDAQ: QSI · HEALTHCARE · MEDICAL DEVICES
$0.98
+13.39% today
Updated 2026-04-30
Market cap
$197.33M
P/E ratio
—
P/S ratio
81.01x
EPS (TTM)
$-0.51
Dividend yield
—
52W range
$1 – $3
Volume
4.2M
QuantumSi Inc (QSI) Earnings
Quarterly earnings history, analyst estimates, and stock price reaction.
EPS beat streak
6 of 8
Last 8 quarters
Avg EPS surprise
+3.9%
Last 4 quarters
Revenue YoY growth
-62.2%
Most recent quarter
EPS YoY growth
+53.4%
Most recent quarter
Earnings surprise history (last 12 quarters)
Beat estimate Missed estimate
Quarterly EPS and revenue trend
Quarterly revenue EPS (diluted)
How the stock reacts to earnings
Avg 1-day reaction
-6.4%
Last 2 reports
Positive reaction rate
0%
0 of 2 quarters
Largest single-day move
-10.3%
2025-11-05
| Report date | EPS actual | Surprise | Close before | Close after | 1-day reaction |
|---|---|---|---|---|---|
| 2026-03-03 | $-0.08 | +38.2% | $0.93 | $0.91 | -2.5% |
| 2025-11-05 | $-0.17 | -30.8% | $1.84 | $1.65 | -10.3% |
Quarterly earnings history
| Fiscal quarter ending | EPS estimate | EPS actual | Surprise | Revenue | YoY revenue |
|---|---|---|---|---|---|
| 2025-12-31 | $-0.12 | $-0.08 | +38.2% | $451000.00 | -62.2% |
| 2025-09-30 | $-0.13 | $-0.17 | -30.8% | $552000.00 | -29.9% |
| 2025-06-30 | $-0.14 | $-0.16 | -14.3% | $591000.00 | -5.0% |
| 2025-03-31 | $-0.14 | $-0.11 | +22.3% | $842000.00 | +84.2% |
| 2024-12-31 | $-0.19 | $-0.16 | +13.9% | $1.19M | +198.0% |
| 2024-09-30 | $-0.19 | $-0.18 | +6.4% | $787000.00 | +252.9% |
| 2024-06-30 | $-0.19 | $-0.16 | +15.8% | $622000.00 | +203.4% |
| 2024-03-31 | $-0.20 | $-0.14 | +30.0% | $457000.00 | +79.9% |
| 2023-12-31 | $-0.18 | $-0.16 | +11.1% | $400000.00 | — |
| 2023-09-30 | $-0.19 | $-0.17 | +10.5% | $223000.00 | — |
| 2023-06-30 | $-0.20 | $-0.18 | +10.0% | $205000.00 | — |
| 2023-03-31 | $-0.19 | $-0.17 | +10.5% | $254000.00 | — |
Frequently asked questions
Has QuantumSi Inc beaten earnings estimates?
QuantumSi Inc has beaten Wall Street EPS estimates in 6 of its last 8 quarterly reports, with an average EPS surprise of +3.9% over the last 4 quarters.
How does QSI stock react to earnings?
QSI stock has moved an average of -6.4% in the trading day following earnings over its last 2 reports, with positive reactions in 0% of those quarters.
What is QuantumSi Inc's revenue growth rate?
QuantumSi Inc reported year-over-year revenue growth of -62.2% in its most recent quarter, with EPS growing +53.4% year-over-year.