QUANTUMSPHERE ACQUISITION CO ORD SHS is a security (CUSIP G7387B106) tracked across SEC portfolio filings. 29 institutional managers reported $72.2M on Form 13F as of 2026-06-30; 2 registered fund positions totaling $3.0M via N-PORT as of 2026-03-31.
Showing 15 of 29 managers by value.
| Manager | Location | Value | Shares |
|---|---|---|---|
| MIZUHO SECURITIES USA LLC | NEW YORK, NY | $7.7M | 757,023 |
| WOLVERINE ASSET MANAGEMENT LLC | CHICAGO, IL | $6.1M | 603,984 |
| BERKLEY W R CORP | Greenwich, CT | $5.1M | 508,540 |
| Karpus Management, Inc. | Pittsford, NY | $5.0M | 493,875 |
| Shaolin Capital Management LLC | MIAMI, FL | $4.9M | 480,000 |
| RIVERNORTH CAPITAL MANAGEMENT, LLC | WEST PALM BEACH, FL | $4.3M | 424,512 |
| D. E. Shaw & Co., Inc. | New York, NY | $4.1M | 409,860 |
| Polar Asset Management Partners Inc. | TORONTO, A6 | $4.0M | 400,000 |
| Linden Advisors LP | New York, NY | $4.0M | 400,000 |
| AQR Arbitrage LLC | Greenwich, CT | $3.1M | 308,294 |
| HGC Investment Management Inc. | TORONTO, A6 | $3.0M | 300,000 |
| TORONTO DOMINION BANK | Toronto, Ontario, A6 | $2.7M | 265,600 |
| Westchester Capital Management, LLC | VALHALLA, NY | $2.5M | 250,000 |
| Hudson Bay Capital Management LP | Greenwich, CT | $2.4M | 235,000 |
| Clear Street Group Inc. | NEW YORK, NY | $1.8M | 175,001 |
| Fund | Registrant | Value | % of fund |
|---|---|---|---|
| First Trust Alternative Opportunities Fund | First Trust Alternative Opportunities Fund | $2.0M | 5.88% |
| RiverNorth Opportunities Fund Inc. | RIVERNORTH OPPORTUNITIES FUND INC. | $1.0M | 31.22% |