Andreas Halvorsen's RLYB Position Overview
Andreas Halvorsen (via Viking Global Investors Lp) currently holds 524,347 shares of Rallybio Corporation (RLYB) worth $2.88 M, representing 0.01% of the portfolio. First purchased in 2021-Q3, this medium-term investment has been held for 18 quarters.
Based on 13F filings, Andreas Halvorsen has maintained a strategic position in RLYB, demonstrating sustained confidence in this investment.
Analysis based on 13F filings available since 2013 Q2
Andreas Halvorsen's Rallybio Corporation (RLYB) Holding Value Over Time
Track share changes against reported price movement
Quarterly Rallybio Corporation (RLYB) Trades by Andreas Halvorsen
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q3 2021 | +4.19 M | New Buy | 524,347 | $140.64 |
Andreas Halvorsen's Rallybio Corporation Investment FAQs
Andreas Halvorsen first purchased Rallybio Corporation (RLYB) in Q3 2021, acquiring 524,347 shares, as reported in their 13F filing for that period. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Andreas Halvorsen has held Rallybio Corporation (RLYB) for 18 quarters since Q3 2021.
Andreas Halvorsen's largest addition to Rallybio Corporation (RLYB) was in Q3 2021, adding 524,347 shares worth $73.74 M.
According to the latest 13F filing for Q4 2025, Andreas Halvorsen's firm, Viking Global Investors Lp, owns 524,347 shares of Rallybio Corporation (RLYB), valued at approximately $2.88 M.
As of the Q4 2025 filing, Rallybio Corporation (RLYB) represents approximately 0.01% of Andreas Halvorsen's publicly disclosed stock portfolio, making it one of their key holdings.
Andreas Halvorsen's peak holding in Rallybio Corporation (RLYB) was 524,347 shares, as reported at the end of Q3 2021.