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NASDAQ: RLYB
Rallybio Corp Stock Ownership - Who owns Rallybio?

OverviewForecastEarningsRevenueDividendOwnership

Insider buying vs selling

Have Rallybio Corp insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Helen M. BoudreauDirector2026-07-063,562$2.38
$8.48kBuy
Adar1 Capital Management LLC10% Owner2026-05-19200$13.80
$2.76kBuy
Adar1 Capital Management LLC10% Owner2026-05-1910,000$13.98
$139.82kBuy
Adar1 Capital Management LLC10% Owner2026-05-186,009$13.98
$83.98kBuy
Adar1 Capital Management LLC10% Owner2026-05-15100$13.80
$1.38kBuy
Adar1 Capital Management LLC10% Owner2026-05-15200$13.95
$2.79kBuy
Adar1 Capital Management LLC10% Owner2026-05-134,081$13.80
$56.31kBuy
Adar1 Capital Management LLC10% Owner2026-05-1375,178$14.00
$1.05MBuy
Adar1 Capital Management LLC10% Owner2026-05-12800$13.83
$11.06kBuy
Adar1 Capital Management LLC10% Owner2026-05-115,100$14.00
$71.39kBuy

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Net Insider Buy/Sell (L12M) Ownership

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RLYB Shareholders

What type of owners hold Rallybio Corp stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Kush Parmar195.76%10,396,074$175.43MInsider
5am Opportunities I LP120.06%6,375,811$107.59MInsider
Ronald Hunt80.89%4,295,514$72.49MInsider
Viking Global Investors LP78.99%4,194,777$70.79MInsider
Robert Lorne Hopfner74.60%3,961,799$66.86MInsider
5am Partners V LLC68.37%3,630,724$61.27MInsider
5am Ventures V LP52.44%2,784,626$46.99MInsider
Timothy M. 1. Shannon45.38%2,409,712$40.66MInsider
Adar1 Capital Management LLC17.44%926,352$15.63MInsider
Stephen Uden13.54%719,127$12.14MInsider

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RLYB vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
RLYB0.01%99.99%Net BuyingNet Buying
ICCC0.01%21.31%Net BuyingNet Buying
ACET0.04%99.96%Net Buying
MNOV0.01%88.78%
CGTX0.02%28.70%Net Selling
View Top Biotech Stocks

Rallybio Stock Ownership FAQ

Who owns Rallybio?

Rallybio (NASDAQ: RLYB) is owned by 0.08% institutional shareholders, 773.08% Rallybio insiders, and 0.00% retail investors. Kush Parmar is the largest individual Rallybio shareholder, owning 10.40M shares representing 195.76% of the company. Kush Parmar's Rallybio shares are currently valued at $175.43M.

If you're new to stock investing, here's how to buy Rallybio stock.
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