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Equibles

Hudson Bay Capital Management LP

Position in QUMS — Quantumsphere Acquisition Corp

CIK 1393825 STAMFORD, CT
Back to QUMS Full portfolio

Position in QUMS

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$2,401,700
+$23,500 QoQ
Shares Held
385,000
0.0% QoQ
Ownership
3.38%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#15
of 32 holders
Holding Since
Sep 2025
4 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 Jun 30, 2026

Hudson Bay Capital Management LP holds $928,874,631 across 212 Shell Companies names. QUMS ranks #136 (0.3% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 DMII
Drugs Made In America Acquisition II Corp.
 3,283,078 $19,808,441
2 FGII
FG Imperii Acquisition Corp.
 2,922,396 $19,346,261
3 MESH
Meshflow Acquisition Corp
 2,341,332 $17,577,549
4 JACS
Jackson Acquisition Co II
 1,520,505 $16,178,173
5 RREV
RRE Ventures Acquisition Corp.
 2,133,332 $15,791,990
6 RAC
Rithm Acquisition Corp.
 1,499,500 $15,684,770
7
2,499,928 $15,495,000
8 APXT
Apex Treasury Corp
 1,687,540 $15,086,658

All Filings in QUMS

Export CSV
4 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $2,401,700 235,000
2026-03-31 $2,378,200 235,000
2025-12-31 $2,352,350 235,000
2025-09-30 $2,340,600 235,000