RLYB — Rallybio Corp Institutional Holders · Q2 2026

Name: Who Owns RLYB? 44 Institutions Hold $65M (Q2 2026)
Creator: ko.io

Who owns Rallybio Corp (RLYB)? 44 institutions reported holding $65.04M in SEC 13F filings for Q2 2026 (period ended 2026-06-30). Largest holders: ADAR1 Capital Management, LLC ($14.8M), FMR LLC ($12.7M), Viking Global Investors LP ($8.4M).

Rank	Institution	Value	Shares	Change
1	ADAR1 Capital Management, LLC	$14.8M	926,352	Added
2	FMR LLC	$12.7M	794,720	Added
3	VIKING GLOBAL INVESTORS LP	$8.4M	524,347	Hold
4	TPG GP A, LLC	$6.1M	378,551	Hold
5	Pivotal bioVenture Partners Investment Advisor LLC	$4.8M	300,579	Hold
6	RENAISSANCE TECHNOLOGIES LLC	$3.2M	199,907	Added
7	VANGUARD GROUP INC	$3.1M	190,759	Added
8	Nantahala Capital Management, LLC	$3.0M	188,422	Trimmed
9	Almitas Capital LLC	$1.9M	120,682	Trimmed
10	Rangeley Capital, LLC	$1.7M	104,850	Added
11	CITADEL ADVISORS LLC	$1.2M	72,200	Added
12	Mariner, LLC	$809,056	50,566	Hold
13	JANE STREET GROUP, LLC	$758,768	47,423	New
14	GEODE CAPITAL MANAGEMENT, LLC	$512,865	32,047	Trimmed
15	BlackRock, Inc.	$485,312	30,332	Added
16	HRT FINANCIAL LP	$410,000	25,657	New
17	XTX Topco Ltd	$343,952	21,497	Added
18	TWO SIGMA INVESTMENTS, LP	$265,904	16,619	New
19	STATE STREET CORP	$207,936	12,996	New
20	Quadrature Capital Ltd	$207,920	12,995	New
21	DIMENSIONAL FUND ADVISORS LP	$180,480	11,280	Hold
22	Hartford Financial Management Inc.	$12,992	812	Hold
23	SBI Securities Co., Ltd.	$8,096	506	Trimmed
24	Caitong International Asset Management Co., Ltd	$6,944	434	New
25	UBS Group AG	$2,336	146	Trimmed

Source: SEC Form 13F filings · as of 2026-06-30