Rallybio Corp

RLYBNASDAQ

$16.90-0.18 (-1.05% today)

Legend

Insider buy

Insider sell

Congress buy

Congress sell

Hedge Funds
bought vs soldGreener markers show more buyers; redder markers show more sellers.

Company share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size.

Insider buy
Insider sell
Congress buy
Congress sell
Hedge Funds bought vs sold

Share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size. Greener fund markers mean more buyers.

Insider Buy
Insider Sell
Congress Buy
Congress Sell
Hedge funds bought vs sold
BuybackNo changeNet dilution

Rallybio Corp price and activity chart data

Showing the 1Y range: Oct 6, 2025 to Oct 5, 2026. Price (+268.0%). 0 insider or congressional trades plotted in this window as 0 markers; nearby trades of the same kind are grouped.

Transactions plotted on the price chart
Date	Category	Person	Role	Action	Amount	Change in holding

Largest institutional holders

13F · Q2 2026

Fund	% of company held	Value	% of portfolio	Quarterly activity
Citadel Advisors LLC	145.20%	$12.7M	0.00%	Not reported
ADAR1 Capital Management, LLC	17.46%	$14.8M	0.68%	Add 4411.09%
FMR LLC	14.98%	$12.7M	0.00%	Not reported
Viking Global Investors LP	9.88%	$8.39M	0.02%	Not reported
TPG GP A, LLC	7.13%	$6.06M	0.12%	Not reported
Nantahala Capital Management, LLC	7.10%	$6.03M	0.10%	Add 25.35%
Pivotal bioVenture Partners Investment Advisor LLC	5.66%	$4.81M	1.56%	Not reported
Renaissance Technologies LLC	3.77%	$3.2M	0.00%	Not reported
Vanguard Capital Management LLC	3.25%	$2.76M	0.00%	Not reported
Almitas Capital LLC	2.27%	$1.93M	0.46%	Not reported
Rangeley Capital, LLC	1.98%	$1.68M	1.53%	Not reported
Mariner, LLC	0.95%	$809K	0.00%	Not reported
Jane Street Group, LLC	0.89%	$759K	0.00%	Not reported
Geode Capital Management, LLC	0.60%	$513K	0.00%	Not reported
BlackRock, Inc.	0.57%	$485K	0.00%	Not reported
XTX Topco Ltd	0.41%	$344K	0.00%	Not reported
Vanguard Fiduciary Trust Co	0.32%	$269K	0.00%	Not reported
Two Sigma Investments, LP	0.31%	$266K	0.00%	Not reported
State Street Corp	0.24%	$208K	0.00%	Not reported
Quadrature Capital Ltd	0.24%	$208K	0.00%	Not reported
Dimensional Fund Advisors LP	0.21%	$180K	0.00%	Not reported
Vanguard Global Advisers, LLC	0.03%	$23.1K	0.00%	Not reported
Hartford Financial Management Inc.	0.02%	$13K	0.00%	Not reported
SBI Securities Co., Ltd.	0.01%	$8.1K	0.00%	Not reported
Caitong International Asset Management Co., Ltd	0.01%	$6.94K	0.00%	Not reported
UBS Group AG	0.00%	$2.34K	0.00%	Not reported
Truvestments Capital LLC	0.00%	$2.06K	0.00%	New Not reported
Morgan Stanley	0.00%	$2K	0.00%	Not reported
BNP Paribas Financial Markets	0.00%	$1.92K	0.00%	Not reported
Fortitude Family Office, LLC	0.00%	$848	0.00%	Not reported
Wells Fargo & Company	0.00%	$592	0.00%	Not reported
EverSource Wealth Advisors, LLC	0.00%	$496	0.00%	Not reported
JPMorgan Chase & Co	0.00%	$145	0.00%	Not reported
Allworth Financial LP	0.00%	$96	0.00%	Not reported
Barclays PLC	0.00%	$48	0.00%	Not reported

End of history · 35 holders

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