Activist & passive stakes

Investors crossing the 5% ownership line, from SEC Schedule 13D (activist) and 13G (passive) filings. Newest first.

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Filing

Stake type

Min % owned

Amendments only.1–2 of 2

PassiveAmendment 2Below 5%
Nov 14, 2026
APMC · AmperCap Acquisition Company
Sculptor Capital LP
0% · 0 shSEC
PassiveAmendment 1
Nov 13, 2026
APMC · Ampercap Acquisition Co
Magnetar Financial Llc
6.01% · 1,200,000 shSEC

Filing	Symbol	Holder	% Owned	Shares	Filed	SEC filing
PassiveAmendment 2Below 5%	APMC	Sculptor Capital LP in AmperCap Acquisition Company	0%	0	Nov 14, 2026	SEC
PassiveAmendment 1	APMC	Magnetar Financial Llc in Ampercap Acquisition Co	6.01%	1,200,000	Nov 13, 2026	SEC