QUMSR QUANTUMSPHERE ACQUISITION CO: institutional ownership and insider trading
25 funds reported holding $1.18M of QUANTUMSPHERE ACQUISITION CO in their latest 13F filings; in Q2 2026 funds net sold $42.1K, with 1 new positions and 0 funds selling out.
Famous investors holding QUMSR
- D. E. Shaw (D. E. Shaw & Co.): $21.3K, 0.0% of the portfolio
Largest institutional holders of QUMSR
- Harraden Circle Investments, LLC — $198K
- TORONTO DOMINION BANK (TD, TDBCP) — $143K
- Shaolin Capital Management LLC — $95.4K
- GLAZER CAPITAL, LLC — $68.0K
- RIVERNORTH CAPITAL MANAGEMENT, LLC — $65.8K
- AQR Arbitrage LLC — $64.5K
- LINDEN ADVISORS LP — $64.3K
- Polar Asset Management Partners Inc. — $64.3K
- HGC Investment Management Inc. — $59.7K
- HIGHBRIDGE CAPITAL MANAGEMENT LLC — $52.2K
Who owns the most QUMSR stock?
The largest institutional holders of QUANTUMSPHERE ACQUISITION CO in the latest 13F filings are Harraden Circle Investments, LLC ($198K), TORONTO DOMINION BANK (TD, TDBCP) ($143K), Shaolin Capital Management LLC ($95.4K).
Which famous investors own QUMSR?
D. E. Shaw.