RCM
QUMSR

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
Q2 		$65.8K Hold
424,512
– – ﹤0.01% 409
2026
Q1 		$106K Buy
+424,512
New +$92.6K 0.01% 338

Other funds holding QUMSR

HCI
Harraden Circle Investments New York $784M AUM 20.59% 1-Year Est. Return
Toronto Dominion Bank
Toronto Dominion Bank Toronto, Ontario, Ontario, Canada $86.4B AUM 59.51% 1-Year Est. Return
SCM
Shaolin Capital Management Miami, Florida $2.1B AUM 64.05% 1-Year Est. Return
GCL
Glazer Capital LLC New York $4.07B AUM 78.71% 1-Year Est. Return
AA
AQR Arbitrage Greenwich, Connecticut $7.02B AUM 31.58% 1-Year Est. Return
LA
Linden Advisors New York $19.3B AUM 1.47% 1-Year Est. Return
PAMP
Polar Asset Management Partners Toronto, Ontario, Canada $6.07B AUM 34.81% 1-Year Est. Return
HIM
HGC Investment Management Toronto, Ontario, Canada $507M AUM 6.15% 1-Year Est. Return
HCM
Highbridge Capital Management New York $4.11B AUM 26.03% 1-Year Est. Return
CS
Clear Street New York $39.5B AUM 124.03% 1-Year Est. Return

Rivernorth Capital Management's QUMSR Position: Q2 2026 in Review

Rivernorth Capital Management held its Quantumsphere Acquisition Corp Rights (QUMSR) position steady in Q2 2026 at 424,512 shares worth $65.8K. The position accounts for ﹤0.01% of the portfolio, ranked #409.

Rivernorth Capital Management first reported a position in QUMSR in Q1 2026 and has held it in 2 quarters since. The position peaked at $106K in Q1 2026. 25 funds tracked by Wall St. Rank hold QUMSR as of Q2 2026.

  • Rivernorth Capital Management held 424,512 shares of Quantumsphere Acquisition Corp Rights worth $65.8K as of Q2 2026.
  • Rivernorth Capital Management left its Quantumsphere Acquisition Corp Rights share count unchanged in Q2 2026.
  • Quantumsphere Acquisition Corp Rights made up ﹤0.01% of Rivernorth Capital Management's portfolio in Q2 2026, its #409 holding.
  • Rivernorth Capital Management first reported a position in Quantumsphere Acquisition Corp Rights in Q1 2026 and has held it in 2 quarters since.
  • Rivernorth Capital Management's Quantumsphere Acquisition Corp Rights position peaked at $106K in Q1 2026.
  • 25 funds tracked by Wall St. Rank held Quantumsphere Acquisition Corp Rights as of Q2 2026.

Based on Rivernorth Capital Management's 13F filing for Q2 2026, filed 14 Aug 2026.