Hudson Bay Capital Management
QUMS

Hudson Bay Capital Management’s Quantumsphere Acquisition Corp QUMS Stock Holding History

Hudson Bay Capital Management’s Portfolio QUMS Stock Details QUMS Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$2.38M Hold
235,000
– – 0.01% 725
2025
Q4 		$2.35M Hold
235,000
– – 0.01% 682
2025
Q3 		$2.34M Buy
+235,000
New +$2.34M 0.01% 727

Other funds holding QUMS

MSU
Mizuho Securities USA New York $4.24B AUM 22.54% 1-Year Est. Return
WAM
Wolverine Asset Management Chicago, Illinois $10.4B AUM 4.78% 1-Year Est. Return
WRBC
W.R. Berkley Corp Greenwich, Connecticut $1.86B AUM 14.44% 1-Year Est. Return
KIM
Karpus Investment Management Pittsford, New York $3.21B AUM 6.83% 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
GCL
Glazer Capital LLC New York $4.71B AUM 81.93% 1-Year Est. Return
D.E. Shaw & Co
D.E. Shaw & Co New York $166B AUM 43.98% 1-Year Est. Return
LA
Linden Advisors New York $17.9B AUM 1.72% 1-Year Est. Return
PAMP
Polar Asset Management Partners Toronto, Ontario, Canada $5.01B AUM 35.27% 1-Year Est. Return

Hudson Bay Capital Management's QUMS Position: Q1 2026 in Review

Hudson Bay Capital Management held its Quantumsphere Acquisition Corp (QUMS) position steady in Q1 2026 at 235,000 shares worth $2.38M. The position accounts for 0.01% of the portfolio, ranked #725.

Hudson Bay Capital Management first reported a position in QUMS in Q3 2025 and has held it in 3 quarters since. 29 funds tracked by Wall St. Rank hold QUMS as of Q1 2026.

  • Hudson Bay Capital Management held 235,000 shares of Quantumsphere Acquisition Corp worth $2.38M as of Q1 2026.
  • Hudson Bay Capital Management left its Quantumsphere Acquisition Corp share count unchanged in Q1 2026.
  • Quantumsphere Acquisition Corp made up 0.01% of Hudson Bay Capital Management's portfolio in Q1 2026, its #725 holding.
  • Hudson Bay Capital Management first reported a position in Quantumsphere Acquisition Corp in Q3 2025 and has held it in 3 quarters since.
  • 29 funds tracked by Wall St. Rank held Quantumsphere Acquisition Corp as of Q1 2026.

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