DS
QUMS

David Shaw’s Quantumsphere Acquisition Corp QUMS Stock Holding History

David Shaw’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
Q2 		$4.19M Hold
409,860
– – ﹤0.01% 2554
2026
Q1 		$4.15M Hold
409,860
– – ﹤0.01% 2317
2025
Q4 		$4.1M Buy
+409,860
New +$4.09M ﹤0.01% 2474

Other funds holding QUMS

WRBC
W.R. Berkley Corp Greenwich, Connecticut $2.18B AUM 13.58% 1-Year Est. Return
MSU
Mizuho Securities USA New York $6.2B AUM 35.46% 1-Year Est. Return
WAM
Wolverine Asset Management Chicago, Illinois $11.4B AUM 5.65% 1-Year Est. Return
KIM
Karpus Investment Management Pittsford, New York $3.48B AUM 10.49% 1-Year Est. Return
RCM
Rivernorth Capital Management West Palm Beach, Florida $2.1B AUM 2.15% 1-Year Est. Return
SCM
Shaolin Capital Management Miami, Florida $2.1B AUM 64.05% 1-Year Est. Return
GCL
Glazer Capital LLC New York $4.07B AUM 78.71% 1-Year Est. Return
LA
Linden Advisors New York $19.3B AUM 1.47% 1-Year Est. Return
PAMP
Polar Asset Management Partners Toronto, Ontario, Canada $6.07B AUM 34.81% 1-Year Est. Return
HCM
Highbridge Capital Management New York $4.11B AUM 26.03% 1-Year Est. Return

David Shaw's QUMS Position: Q2 2026 in Review

David Shaw held its Quantumsphere Acquisition Corp (QUMS) position steady in Q2 2026 at 409,860 shares worth $4.19M. The position accounts for ﹤0.01% of the portfolio, ranked #2554.

David Shaw first reported a position in QUMS in Q4 2025 and has held it in 3 quarters since. 27 funds tracked by Wall St. Rank hold QUMS as of Q2 2026.

  • David Shaw held 409,860 shares of Quantumsphere Acquisition Corp worth $4.19M as of Q2 2026.
  • David Shaw left its Quantumsphere Acquisition Corp share count unchanged in Q2 2026.
  • Quantumsphere Acquisition Corp made up ﹤0.01% of David Shaw's portfolio in Q2 2026, its #2554 holding.
  • David Shaw first reported a position in Quantumsphere Acquisition Corp in Q4 2025 and has held it in 3 quarters since.
  • 27 funds tracked by Wall St. Rank held Quantumsphere Acquisition Corp as of Q2 2026.

Based on D.E. Shaw & Co's 13F filing for Q2 2026, filed 14 Aug 2026.