Institutional Ownership
Quantumsphere Acquisition Co
CUSIP G7387B122UNIT 07/30/2030Q1 2026
Institutional Holders
8
13F filers
Shares Held
288.3K
Aggregate institutional
Institutional Value
$2.64M
Q1 2026
Net New Holders
-1
1 new · 2 closed
Institutional Ownership Trend
Aggregate 13F value by quarter
Multi-quarter trend — upgrade to see history
UpgradePosition Activity
Q1 2026
New positions1
Increased2
Decreased1
Sold out2
Institutional Holders
8 funds hold this security · Q1 2026
| # | Fund | Shares | Value | Δ Shares | Activity |
|---|---|---|---|---|---|
| 1 | Westchester Capital Management, LLC | 100.0K | $1.01M | 0 | Held |
| 2 | Gabelli & Co Investment Advisers, Inc. | 67.7K | $698.7K | 0 | Held |
| 3 | Gabelli Funds LLC | 57.3K | $591.3K | 0 | Held |
| 4 | Clear Street Group Inc. | 22.5K | $231.8K | +7.6K | Added |
| 5 | Jpmorgan Chase & Co | 10.0K | $101.5K | 0 | Held |
| 6 | Ubs Group AG | 464 | $4.7K | +5 | Added |
| 7 | Hrt Financial LP | 30.1K | $304 | −951 | Reduced |
| 8 | Glazer Capital, LLC | 219 | $2 | +219 | New |