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

Insider buying vs selling

Have Rallybio Corp insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Adar1 Capital Management LLC10% Owner2026-05-1910,000$13.98
$139.82kBuy
Adar1 Capital Management LLC10% Owner2026-05-19200$13.80
$2.76kBuy
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% Owner2026-05-1375,178$14.00
$1.05MBuy
Adar1 Capital Management LLC10% Owner2026-05-134,081$13.80
$56.31kBuy
Adar1 Capital Management LLC10% Owner2026-05-12800$13.83
$11.06kBuy
Adar1 Capital Management LLC10% Owner2026-05-115,100$14.00
$71.39kBuy
Adar1 Capital Management LLC10% Owner2026-05-1125,000$14.00
$350.00kBuy

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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 Parmar196.22%10,396,074$165.51MInsider
5am Opportunities I LP120.34%6,375,811$101.50MInsider
Ronald Hunt81.08%4,295,514$68.38MInsider
Viking Global Investors LP79.17%4,194,777$66.78MInsider
Robert Lorne Hopfner74.78%3,961,799$63.07MInsider
5am Partners V LLC68.53%3,630,724$57.80MInsider
5am Ventures V LP52.56%2,784,626$44.33MInsider
Timothy M. 1. Shannon45.48%2,409,712$38.36MInsider
Adar1 Capital Management LLC17.48%926,352$14.75MInsider
Fmr LLC14.98%793,451$12.63MInstitution

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RLYB vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
RLYB10.20%89.80%Net BuyingNet Buying
PYPD17.13%0.03%
BMEA33.68%25.19%Net Buying
ANIX14.96%80.27%Net Buying
IBIO35.96%64.04%Net BuyingNet Buying

Rallybio Stock Ownership FAQ

Who owns Rallybio?

Rallybio (NASDAQ: RLYB) is owned by 88.08% institutional shareholders, 775.21% Rallybio insiders, and 0.00% retail investors. Kush Parmar is the largest individual Rallybio shareholder, owning 10.40M shares representing 196.22% of the company. Kush Parmar's Rallybio shares are currently valued at $165.51M.

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