Technology
Quote through 2026-07-31T13:30:00Z ยท Stale
Quote synced 2026-08-04T17:43:20.95528Z
Daily bars through 2026-07-31 ยท Stale
Daily bars synced 2026-08-03T09:57:50.235806Z
Fundamentals through 2026-05-03 ยท Current
Fundamentals synced 2026-08-03T20:38:12.900857Z
Forecasts: Stale
Forecasts synced 2026-05-02T07:29:21.122547Z
Ownership: Missing
Ownership synced 2026-08-03T20:38:12.900857Z
Short interest: Missing
Short interest synced 2026-08-03T20:38:12.900857Z
News: Missing
News synced 0001-01-01T00:00:00Z
Company profile: Delayed
Company profile synced 2026-05-05T06:33:33.068558Z
Regular-session price
Offline$20.27
+5.68% regular session
1Y Change
+146.59%
Window
Aug 5, 2025 โ Jul 31, 2026
Investment Snapshot
Valuation, growth, profitability, catalysts, and benchmark context.
1D
+5.7%
1M
-25.1%
6M
+95.3%
YTD
+113.4%
1Y
+146.6%
Coverage: 248 bars ยท Aug 5, 2025 โ Jul 31, 2026
Research Briefing
A compact read on the setup, peer context, quarterly changes, and recent earnings reaction.
Research Snapshot
Sumco Corporation (SUMCF) is a Technology stock with listed on OTC. The stock last traded around $20.27 and up 146.6% across the available one-year price window (Aug 5, 2025 โ Jul 31, 2026). Baseline metrics include revenue growth of +3.4%, EPS growth of -158.0%, a dividend yield of 0.8%. What stands out right now is revenue +3.4%, EPS -158.0%, free cash flow +93.8% with operating margin 0.3% and ROIC 0.1%. The dividend is present but secondary, with a yield around 0.8%. Valuation is more restrained than many high-expectation growth names at price/sales 2.2. Overall, the current profile looks closer to a turnaround or cyclical reset than a generic broad-market placeholder. Stock Foundry combines SUMCF price history, valuation, growth, dividend context, earnings, analyst forecasts, news, related Technology peers on this page.
Sector Context
How this name stacks up against nearby peers on first-pass metrics.
Revenue Growth
Below sector median
+3.4% vs +11.8% peer median
Operating Margin
Below sector median
+0.3% vs +27.8% peer median
What Changed This Quarter
Latest report context and the signals most likely to have changed the story.
Latest report is on the board
2026 was reported on May 7, 2026, but the surprise data is still limited.
The operating picture looks softer than before
Revenue is at +3.4% and EPS is at -158.0%, with operating margin around 0.3%.
The next real check-in already has a date
The next earnings event is scheduled for Aug 7, 2026, which is the clearest near-term catalyst for confirming whether the current trend is holding up.
Earnings Reaction Memory
How the stock has tended to move after recent reports.
Across the last 3 reported quarters, the stock averaged -1.6% over the next 5 trading days and finished higher after 1 of those reports.
| Quarter | EPS Delta | 1D | 5D | 20D |
|---|---|---|---|---|
2026 May 7, 2026 | -- | +21.0% | +12.0% | +29.2% |
2026 Feb 10, 2026 | -51.6% | +3.1% | -9.2% | -6.1% |
2025 Nov 11, 2025 | -113.9% | -11.1% | -7.7% | +4.5% |
Benchmark Edge
Normalized return, excess return, max drawdown, and calendar-year wins against the benchmarks investors actually use.
Relative Read
SUMCF is 127.63 pts ahead over the shared 1Y window.
SUMCF had 38.36 pts deeper max drawdown than SPY.
SUMCF beat SPY in 2 of 2 calendar years shown and trailed in 0.
SUMCF
+146.59%
Normalized return
SPY
+18.96%
S&P 500
Excess Return
+127.63 pts
Relative to SPY
SUMCF Max Drawdown
-47.49%
Trailing 1Y
SPY Max Drawdown
-9.13%
Trailing 1Y
Uses the longest available daily history for SUMCF and SPY.
| Year | SUMCF | SPY | Excess | Leader |
|---|---|---|---|---|
| 2026 | +113.37% | +12.64% | +100.73 pts | SUMCF |
| 2025 | +13.99% | +9.40% | +4.59 pts | SUMCF |

Company Overview
Sumco Corporation
Other OTC
Sumco Corporation, together with its subsidiaries, manufactures and sells silicon wafers for the semiconductor industry primarily in Japan, the United States, China, Taiwan, Korea, and internationally. It provides monocrystalline ingots, as well as polished, annealed, epitaxial, junction isolated, silicon-on-insulator, and reclaimed polished wafers. The company was formerly known as Sumitomo Mitsubishi Silicon Corp. and changed its name to Sumco Corporation in August 2005. Sumco Corporation was incorporated in 1999 and is headquartered in Tokyo, Japan.
Valuation, growth, profitability, and balance sheet signals.
Next Step
After the overview, the strongest next step is usually chart context or a tighter compare set.