QUANTUMSPHERE ACQUISITION CO: Ownership & Insider Activity
Hedge funds and institutional managers reporting a position in QUANTUMSPHERE ACQUISITION CO. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.
Reported Holders
3
13F filers
Aggregate Value
$55K
Across holders
Last Price
—
EOD close
Sector
—
GICS
Quarterly fund activity0 increased1 reduced0 exited
| Manager⇅ | Type⇅ | Shares⇅ | Market Value▼ | % of Total⇅ | % of Portfolio⇅ | Action⇅ | QoQ Change⇅ | Quarter⇅ |
|---|---|---|---|---|---|---|---|---|
| Hudson Bay Capital Management LP CIK 0001393825 | Hedge Fund | 150K | $26K | 46.0% | 0.0% | Unchanged | +$0 | Q2 2026 |
| SHAW D E & CO INC CIK 0001009207 | Hedge Fund | 125K | $21K | 38.3% | 0.0% | Unchanged | +$0 | Q2 2026 |
| Schonfeld Strategic Advisors LLC CIK 0001665241 | Hedge Fund | 54K | $9K | 15.7% | 0.0% | Reduced | $-48 | Q2 2026 |