QUMS QUANTUMSPHERE ACQUISITION CO: institutional ownership and insider trading
27 funds reported holding $80.0M of QUANTUMSPHERE ACQUISITION CO in their latest 13F filings; in Q2 2026 funds net bought $2.84M, with 1 new positions and 3 funds selling out.
Famous investors holding QUMS
- D. E. Shaw (D. E. Shaw & Co.): $4.19M, 0.0% of the portfolio
Largest institutional holders of QUMS
- BERKLEY W R CORP (WRB, WRB-PE, WRB-PF, WRB-PG, WRB-PH) — $9.01M
- MIZUHO SECURITIES USA LLC — $7.36M
- WOLVERINE ASSET MANAGEMENT LLC — $6.16M
- Karpus Management, Inc. — $4.80M
- RIVERNORTH CAPITAL MANAGEMENT, LLC — $4.37M
- D. E. Shaw & Co., Inc. — $4.19M
- Shaolin Capital Management LLC — $4.15M
- GLAZER CAPITAL, LLC — $4.09M
- LINDEN ADVISORS LP — $4.09M
- Polar Asset Management Partners Inc. — $4.09M
Who owns the most QUMS stock?
The largest institutional holders of QUANTUMSPHERE ACQUISITION CO in the latest 13F filings are BERKLEY W R CORP (WRB, WRB-PE, WRB-PF, WRB-PG, WRB-PH) ($9.01M), MIZUHO SECURITIES USA LLC ($7.36M), WOLVERINE ASSET MANAGEMENT LLC ($6.16M).
Which famous investors own QUMS?
D. E. Shaw.
Which ETFs hold QUMS?
1 ETFs and mutual funds hold it among their top 100 positions, including RNMN.