Rivernorth Capital Management’s Quantumsphere Acquisition Corp Rights QUMSR Stock Holding History

Rivernorth Capital Management’s Portfolio QUMSR Stock Details QUMSR Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$106K	Buy	+424,512	New	+$92.6K	0.01%	338

Other funds holding QUMSR

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

Highbridge Capital Management New York $3.09B AUM 31.19% 1-Year Est. Return

Toronto Dominion Bank

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

Shaolin Capital Management Miami, Florida $2.71B AUM 64.83% 1-Year Est. Return

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

Linden Advisors New York $17.9B AUM 1.72% 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

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

Clear Street New York $24.6B AUM 56.26% 1-Year Est. Return

Rivernorth Capital Management's QUMSR Position: Q1 2026 in Review

Rivernorth Capital Management opened a new position in Quantumsphere Acquisition Corp Rights (QUMSR) in Q1 2026: 424,512 shares worth $106K. The stake represents 0.01% of the portfolio and ranks #338 among its holdings.

24 funds tracked by Wall St. Rank hold QUMSR as of Q1 2026.

Rivernorth Capital Management held 424,512 shares of Quantumsphere Acquisition Corp Rights worth $106K as of Q1 2026.
Quantumsphere Acquisition Corp Rights was a new Rivernorth Capital Management position in Q1 2026.
Quantumsphere Acquisition Corp Rights made up 0.01% of Rivernorth Capital Management's portfolio in Q1 2026, its #338 holding.
24 funds tracked by Wall St. Rank held Quantumsphere Acquisition Corp Rights as of Q1 2026.

Based on Rivernorth Capital Management's 13F filing for Q1 2026, filed 15 May 2026.