ATW SPAC Management’s Quantumsphere Acquisition Corp Units QUMSU Stock Holding History

ATW SPAC Management’s Portfolio QUMSU Stock Details QUMSU Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2025 Q3	$1.01M	Buy	+100,000	New	+$1M	1.28%	25

Other funds holding QUMSU

Rivernorth Capital Management West Palm Beach, Florida $2B AUM 0.66% 1-Year Est. Return

Glazer Capital LLC New York $4.71B AUM 81.93% 1-Year Est. Return

Harraden Circle Investments New York $499M AUM 24.03% 1-Year Est. Return

Linden Advisors New York $17.9B AUM 1.72% 1-Year Est. Return

Polar Asset Management Partners Toronto, Ontario, Canada $5.01B AUM 35.27% 1-Year Est. Return

Toronto Dominion Bank

Toronto Dominion Bank Toronto, Ontario, Ontario, Canada $69.7B AUM 40.86% 1-Year Est. Return

AQR Arbitrage Greenwich, Connecticut $6.09B AUM 27.01% 1-Year Est. Return

HGC Investment Management Toronto, Ontario, Canada $451M AUM 8.78% 1-Year Est. Return

Meteora Capital Boca Raton, Florida $1.36B AUM 21.19% 1-Year Est. Return

Two Sigma Investments

Two Sigma Investments New York $124B AUM 33.93% 1-Year Est. Return

ATW SPAC Management's QUMSU Position: Q3 2025 in Review

ATW SPAC Management opened a new position in Quantumsphere Acquisition Corp Units (QUMSU) in Q3 2025: 100,000 shares worth $1.01M. The stake represents 1.28% of the portfolio and ranks #25 among its holdings.

30 funds tracked by Wall St. Rank hold QUMSU as of Q3 2025.

ATW SPAC Management held 100,000 shares of Quantumsphere Acquisition Corp Units worth $1.01M as of Q3 2025.
Quantumsphere Acquisition Corp Units was a new ATW SPAC Management position in Q3 2025.
Quantumsphere Acquisition Corp Units made up 1.28% of ATW SPAC Management's portfolio in Q3 2025, its #25 holding.
30 funds tracked by Wall St. Rank held Quantumsphere Acquisition Corp Units as of Q3 2025.

Based on ATW SPAC Management's 13F filing for Q3 2025, filed 12 Nov 2025.