D.E. Shaw & Co
QUMSU

D.E. Shaw & Co’s Quantumsphere Acquisition Corp Units QUMSU Stock Holding History

D.E. Shaw & Co’s Portfolio QUMSU Stock Details QUMSU Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q4 		– Sell
-125,000
Closed -$1.27M – 5188
2025
Q3 		$1.27M Buy
+125,000
New +$1.26M ﹤0.01% 3305

Other funds holding QUMSU

RCM
Rivernorth Capital Management West Palm Beach, Florida $2B AUM 0.66% 1-Year Est. Return
PAMP
Polar Asset Management Partners Toronto, Ontario, Canada $4.21B AUM 35.27% 1-Year Est. Return
WCMNY
Westchester Capital Management (New York) Valhalla, New York $2.07B AUM 26.02% 1-Year Est. Return
GCIA
Gabelli & Co Investment Advisers Rye, New York $674M AUM 64.52% 1-Year Est. Return
GF
Gabelli Funds Rye, New York $14.8B AUM 32.24% 1-Year Est. Return
HF
HRT Financial New York $26B AUM 58.22% 1-Year Est. Return
CS
Clear Street New York $17.8B AUM 56.26% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.47T AUM 27.86% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $564B AUM 30.12% 1-Year Est. Return