UBS Group
QUMSR

UBS Group’s Quantumsphere Acquisition Corp Rights QUMSR Stock Holding History

UBS Group’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 		$2.56K Sell
16,027
-77
-0.5% -$17 ﹤0.01% 9245
2025
Q4 		$3.38K Buy
+16,104
New +$4.2K ﹤0.01% 9039

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
PAMP
Polar Asset Management Partners Toronto, Ontario, Canada $5.01B AUM 35.27% 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

UBS Group's QUMSR Position: Q1 2026 in Review

UBS Group reduced its Quantumsphere Acquisition Corp Rights (QUMSR) stake by 0.48% in Q1 2026, selling an estimated $17 and leaving 16,027 shares worth $2.56K. The position accounts for ﹤0.01% of the portfolio, ranked #9245.

UBS Group first reported a position in QUMSR in Q4 2025 and has held it in 2 quarters since. The position peaked at $3.38K in Q4 2025. 24 funds tracked by Wall St. Rank hold QUMSR as of Q1 2026.

  • UBS Group held 16,027 shares of Quantumsphere Acquisition Corp Rights worth $2.56K as of Q1 2026.
  • UBS Group sold 77 Quantumsphere Acquisition Corp Rights shares in Q1 2026, an estimated $17.
  • Quantumsphere Acquisition Corp Rights made up ﹤0.01% of UBS Group's portfolio in Q1 2026, its #9245 holding.
  • UBS Group first reported a position in Quantumsphere Acquisition Corp Rights in Q4 2025 and has held it in 2 quarters since.
  • UBS Group's Quantumsphere Acquisition Corp Rights position peaked at $3.38K in Q4 2025.
  • 24 funds tracked by Wall St. Rank held Quantumsphere Acquisition Corp Rights as of Q1 2026.

Based on UBS Group's 13F filing for Q1 2026, filed 5 May 2026.