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 1Below 5%
Nov 5, 2026
SEI · Solaris Energy Infrastructure, Inc.
Voya Financial, Inc.
4.3% · 2,989,474 shSEC
PassiveAmendment 12
Oct 27, 2026
SEIC · Sei Investments Company
BlackRock, Inc.
7.9% · 9,446,264 shSEC

Filing	Symbol	Holder	% Owned	Shares	Filed	SEC filing
PassiveAmendment 1Below 5%	SEI	Voya Financial, Inc. in Solaris Energy Infrastructure, Inc.	4.3%	2,989,474	Nov 5, 2026	SEC
PassiveAmendment 12	SEIC	BlackRock, Inc. in Sei Investments Company	7.9%	9,446,264	Oct 27, 2026	SEC