Plum Acquisition IV (PLMK) vs Quantumsphere Acquisition (QUMS)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 9, 2026.
Summary
Quantumsphere Acquisition is the larger company by market cap ($118.1 million vs $113.8 million), about 1.0 times the size. On valuation, Plum Acquisition IV trades at a lower trailing P/E (50.6x vs 69.0x for Quantumsphere Acquisition).
Summary generated from market data by MetaCap's automated system. Methodology
Head-to-head
| Metric | PLMK | QUMS |
|---|---|---|
| Share price | $10.64 | $10.35 |
| Market cap | $113.82M | $118.06M |
| 1-day change | +0.05% | 0.00% |
| P/E ratio (TTM) | 50.64 | 69.00 |
| EPS (TTM) | $0.21 | $0.15 |
| Dividend yield | 0.00% | 0.00% |
| Annual dividend | $0.00 | $0.00 |
| 52-week high | $12.00 | $10.36 |
| 52-week low | $10.32 | $9.95 |
| Distance from 52-week high | -11.38% | -0.10% |
| Average volume | 11.80K | 27.99K |
| Shares outstanding | 10.70M | 11.41M |
| Sector | Financial Services | Financial Services |
| Industry | Shell Companies | Shell Companies |
Highlighted cells mark the higher value for growth, returns, margins and yield, and the lower value for P/E ratios. Highlighting is a mechanical comparison, not a recommendation.
Key differences
- Quantumsphere Acquisition trades at a higher earnings multiple (69.0x vs 50.6x trailing P/E).
About Plum Acquisition IV
PLMK stock →Plum Acquisition Corp. IV does not have significant operations.
Financial Services · Shell Companies
About Quantumsphere Acquisition
QUMS stock →Quantumsphere Acquisition Corporation does not have significant operations. It intends to effect a merger, share exchange, asset acquisition, share purchase, recapitalization, reorganization, or similar business combination with one or more businesses.
Financial Services · Shell Companies
PLMK vs QUMS FAQ
Which is bigger, Plum Acquisition IV or Quantumsphere Acquisition?
Quantumsphere Acquisition (QUMS) is larger, with a market capitalization of $118.06M compared with $113.82M for Plum Acquisition IV (PLMK).
Which has the lower P/E ratio, PLMK or QUMS?
PLMK has the lower trailing P/E at 50.6, versus 69.0 for QUMS. A lower P/E is not by itself a sign of a better investment; it can reflect slower expected growth or higher risk.
Are Plum Acquisition IV and Quantumsphere Acquisition in the same industry?
Yes. Both are classified in the Shell Companies industry within the Financial Services sector.