PAMP
QUMSR

Polar Asset Management Partners’s Quantumsphere Acquisition Corp Rights QUMSR Stock Holding History

Polar Asset Management Partners’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 		$100K Buy
+400,000
New +$87.2K ﹤0.01% 519

Other funds holding QUMSR

HCI
Harraden Circle Investments New York $499M AUM 24.03% 1-Year Est. Return
HCM
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
SCM
Shaolin Capital Management Miami, Florida $2.71B AUM 64.83% 1-Year Est. Return
RCM
Rivernorth Capital Management West Palm Beach, Florida $2B AUM 0.66% 1-Year Est. Return
LA
Linden Advisors New York $17.9B AUM 1.72% 1-Year Est. Return
AA
AQR Arbitrage Greenwich, Connecticut $6.09B AUM 27.01% 1-Year Est. Return
HIM
HGC Investment Management Toronto, Ontario, Canada $451M AUM 8.78% 1-Year Est. Return
GCL
Glazer Capital LLC New York $4.71B AUM 81.93% 1-Year Est. Return
CS
Clear Street New York $24.6B AUM 56.26% 1-Year Est. Return

Polar Asset Management Partners's QUMSR Position: Q1 2026 in Review

Polar Asset Management Partners opened a new position in Quantumsphere Acquisition Corp Rights (QUMSR) in Q1 2026: 400,000 shares worth $100K. The stake represents ﹤0.01% of the portfolio and ranks #519 among its holdings.

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

  • Polar Asset Management Partners held 400,000 shares of Quantumsphere Acquisition Corp Rights worth $100K as of Q1 2026.
  • Quantumsphere Acquisition Corp Rights was a new Polar Asset Management Partners position in Q1 2026.
  • Quantumsphere Acquisition Corp Rights made up ﹤0.01% of Polar Asset Management Partners's portfolio in Q1 2026, its #519 holding.
  • 24 funds tracked by Wall St. Rank held Quantumsphere Acquisition Corp Rights as of Q1 2026.

Based on Polar Asset Management Partners's 13F filing for Q1 2026, filed 15 May 2026.