Institutional Ownership
Quantumsphere Acquisition Co
CUSIP G7387B114RIGHT 08/06/2030Q1 2026
Institutional Holders
24
13F filers
Shares Held
6.80M
Aggregate institutional
Institutional Value
$1.56M
Q1 2026
Net New Holders
+0
2 new · 2 closed
Institutional Ownership Trend
Aggregate 13F value by quarter
Multi-quarter trend — upgrade to see history
UpgradePosition Activity
Q1 2026
New positions2
Increased1
Decreased7
Sold out2
Institutional Holders
24 funds hold this security · Q1 2026
| # | Fund | Shares | Value | Δ Shares | Activity |
|---|---|---|---|---|---|
| 1 | Harraden Circle Investments, LLC | 993.9K | $248.5K | 0 | Held |
| 2 | Highbridge Capital Management LLC | 690.4K | $172.6K | +6.4K | Added |
| 3 | Toronto Dominion Bank | 670.8K | $167.7K | −24.3K | Reduced |
| 4 | Shaolin Capital Management LLC | 460.0K | $115.0K | 0 | Held |
| 5 | Rivernorth Capital Management, LLC | 424.5K | $106.1K | +424.5K | New |
| 6 | Polar Asset Management Partners Inc. | 400.0K | $100.0K | +400.0K | New |
| 7 | Linden Advisors LP | 400.0K | $90.0K | 0 | Held |
| 8 | Aqr Arbitrage LLC | 321.0K | $80.3K | −1.7K | Reduced |
| 9 | Hgc Investment Management Inc. | 300.0K | $75.0K | 0 | Held |
| 10 | Clear Street Group Inc. | 224.4K | $56.1K | −4.9K | Reduced |
14 more institutional holders on Premium
See every fund holding Quantumsphere Acquisition Co, with full quarter-over-quarter share changes.
Unlock all holders