PEAK6 LLC

Position in MBVI — M3-Brigade Acquisition VI Corp.

CIK 1389958 AUSTIN, TX

Position in MBVI

as of Mar 31, 2026 · filed May 14, 2026 Compact

Position Value

$12,562,500

+$62,500 QoQ

Shares Held

1,250,000

0.0% QoQ

Ownership

2.90%

of shares outstanding

% of Portfolio

0.38%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Dec 2025

2 quarters on record

Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Financial Services · as of Mar 31, 2026

PEAK6 LLC holds $28,027,348 across 11 Shell Companies names. MBVI ranks #1 (44.8% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	MBVI	M3-Brigade Acquisition VI Corp. This page	1,250,000	$12,562,500
2	HCMA	Hcm III Acquisition Corp.	499,999	$5,039,989
3	NWAX	New America Acquisition I Corp.	343,318	$3,436,613
4	CAEP	Cantor Equity Partners III, Inc.	150,000	$1,546,500
5	CEPT	Cantor Equity Partners II, Inc.	100,344	$1,092,746
6	CEPF	Cantor Equity Partners IV, Inc.	100,000	$1,019,000
7	DMII	Drugs Made In America Acquisition II Corp.	100,000	$997,000
8	CEPV	Cantor Equity Partners V, Inc.	75,000	$757,500

2 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$12,562,500	1,250,000	0.0%	Shares	Defined	2026-05-14
2025-12-31	$12,500,000	1,250,000	—	Shares	Defined	2026-03-12
No filing history on record for this holder in this stock.