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

PassiveNew
Oct 28, 2026
JBIO · Jade Biosciences, Inc.
Franklin Templeton, Inc.
6% · 3,807,236 shSEC
PassiveNew
Oct 27, 2026
JBIO · Jade Biosciences Inc
BlackRock, Inc.
5.2% · 3,323,301 shSEC

Filing	Symbol	Holder	% Owned	Shares	Filed	SEC filing
PassiveNew	JBIO	Franklin Templeton, Inc. in Jade Biosciences, Inc.	6%	3,807,236	Oct 28, 2026	SEC
PassiveNew	JBIO	BlackRock, Inc. in Jade Biosciences Inc	5.2%	3,323,301	Oct 27, 2026	SEC