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D. E. Shaw & Co., Inc.

Position in QUMS — Quantumsphere Acquisition Corp

CIK 1009207 New York, NY

Position in QUMS

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$4,147,783
+$45,085 QoQ
Shares Held
409,860
0.0% QoQ
Ownership
3.75%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Dec 2025
2 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in QUMS Over Time

Shares Held

Position Value (USD)

Position in Shell Companies

Financial Services · as of Mar 31, 2026

D. E. Shaw & Co., Inc. holds $1,029,543,998 across 155 Shell Companies names. QUMS ranks #106 (0.4% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in QUMS

Export CSV
2 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $4,147,783 409,860
2025-12-31 $4,102,698 409,860