CS
QUMS

Clear Street’s Quantumsphere Acquisition Corp QUMS Stock Holding History

Clear Street’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 		$1.77M Sell
175,001
-249,761
-59% -$2.52M 0.01% 249
2025
Q4 		$4.25M Buy
424,762
+423,363
+30,262% +$4.22M 0.02% 117
2025
Q3 		$13.9K Buy
+1,399
New +$13.9K ﹤0.01% 665

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

Clear Street's QUMS Position: Q1 2026 in Review

Clear Street reduced its Quantumsphere Acquisition Corp (QUMS) stake by 59% in Q1 2026, selling an estimated $2.52M and leaving 175,001 shares worth $1.77M. The position accounts for 0.01% of the portfolio, ranked #249.

Clear Street first reported a position in QUMS in Q3 2025 and has held it in 3 quarters since. The position peaked at $4.25M in Q4 2025. 29 funds tracked by Wall St. Rank hold QUMS as of Q1 2026.

  • Clear Street held 175,001 shares of Quantumsphere Acquisition Corp worth $1.77M as of Q1 2026.
  • Clear Street sold 249,761 Quantumsphere Acquisition Corp shares in Q1 2026, an estimated $2.52M.
  • Quantumsphere Acquisition Corp made up 0.01% of Clear Street's portfolio in Q1 2026, its #249 holding.
  • Clear Street first reported a position in Quantumsphere Acquisition Corp in Q3 2025 and has held it in 3 quarters since.
  • Clear Street's Quantumsphere Acquisition Corp position peaked at $4.25M in Q4 2025.
  • 29 funds tracked by Wall St. Rank held Quantumsphere Acquisition Corp as of Q1 2026.

Based on Clear Street's 13F filing for Q1 2026, filed 15 May 2026.