PEAK6 Capital Management LLC

CHICAGO, IL · CIK 1389956 · 13F filing filed 2026-08-13

Legal entityPEAK6 CAPITAL MANAGEMENT, LLC (US)
Part of PEAK6 INVESTMENTS LLC (US)

Other 13F filers in this group: PEAK6 Investments LLC files a notice

For Q2 2026 this manager filed a 13F notice: its holdings were reported by another manager.

Stakes above 5%

Companies where this manager has reported owning more than 5% of a class of shares, on Schedule 13D (may seek influence) or 13G (passive): its latest filing for each, from 19 Dec 2024 on.

Company	Ticker	Stake	Change	Schedule	Last filed
WEBULL CORP BULL · 13G · filed 2026-02-11	BULL	6.7%≈ $183.8m	new	13G	2026-02-11
RING ENERGY INC REI · 13G · filed 2026-08-14	REI	6.6%≈ $18.4m	new	13G	2026-08-14
ARBE ROBOTICS LTD ARBE · 13G · filed 2026-05-14	ARBE	6.1%≈ $6.3m	new	13G	2026-05-14