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.1–6 of 6

PassiveAmendment 3
Nov 13, 2026
AERO · Grupo Aeromexico, S.A.B. de C.V.
Apollo Management Holdings GP, LLC
18.9% · 27,505,017 shSEC
PassiveNew
Nov 13, 2026
AERO · Grupo Aeromexico, S.A.B. de C.V.
Strategic Value Partners, L.P.
6.5% · 94,862,660 shSEC
PassiveAmendment 2
Nov 12, 2026
FLY · Firefly Aerospace Inc.
Astera Institute
6.4% · 11,025,090 shSEC
PassiveNew
Nov 12, 2026
EVTL · Vertical Aerospace Ltd.
Adage Capital Management, L.P.
5.21% · 9,000,000 shSEC
PassiveNewBelow 5%
Nov 10, 2026
PKE · Park Aerospace Corp
State Street Corporation
4.7% · 1,032,764 shSEC
PassiveAmendment 1Below 5%
Nov 6, 2026
BAER · Bridger Aerospace Group Holdings, Inc.
Blackstone Holdings I/II GP L.L.C.
4.3% · 2,553,356 shSEC

Filing	Symbol	Holder	% Owned	Shares	Filed	SEC filing
PassiveAmendment 3	AERO	Apollo Management Holdings GP, LLC in Grupo Aeromexico, S.A.B. de C.V.	18.9%	27,505,017	Nov 13, 2026	SEC
PassiveNew	AERO	Strategic Value Partners, L.P. in Grupo Aeromexico, S.A.B. de C.V.	6.5%	94,862,660	Nov 13, 2026	SEC
PassiveAmendment 2	FLY	Astera Institute in Firefly Aerospace Inc.	6.4%	11,025,090	Nov 12, 2026	SEC
PassiveNew	EVTL	Adage Capital Management, L.P. in Vertical Aerospace Ltd.	5.21%	9,000,000	Nov 12, 2026	SEC
PassiveNewBelow 5%	PKE	State Street Corporation in Park Aerospace Corp	4.7%	1,032,764	Nov 10, 2026	SEC
PassiveAmendment 1Below 5%	BAER	Blackstone Holdings I/II GP L.L.C. in Bridger Aerospace Group Holdings, Inc.	4.3%	2,553,356	Nov 6, 2026	SEC