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

All filings, new and amended.1–2 of 2

PassiveAmendment 3Below 5%
Nov 13, 2026
TYG · Tortoise Energy Infrastructure Corp
Morgan Stanley
4.5% · 1,141,235 shSEC
PassiveNew
Nov 13, 2026
TYGO · Tigo Energy, Inc.
AWM Investment Company, Inc.
6.4% · 4,960,069 shSEC

Filing	Symbol	Holder	% Owned	Shares	Filed	SEC filing
PassiveAmendment 3Below 5%	TYG	Morgan Stanley in Tortoise Energy Infrastructure Corp	4.5%	1,141,235	Nov 13, 2026	SEC
PassiveNew	TYGO	AWM Investment Company, Inc. in Tigo Energy, Inc.	6.4%	4,960,069	Nov 13, 2026	SEC