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Fortitude Family Office’s Rallybio RLYB Stock Holding History

Fortitude Family Office’s Portfolio RLYB Stock Details RLYB Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$475 Buy
+53
New +$362 ﹤0.01% 1750

Other funds holding RLYB

Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Viking Global Investors
Viking Global Investors Stamford, Connecticut $35.7B AUM 21.3% 1-Year Est. Return
CAM
Cormorant Asset Management Boston, Massachusetts $1.99B AUM 737.95% 1-Year Est. Return
TGA
TPG GP A Fort Worth, Texas $3.68B AUM 14.99% 1-Year Est. Return
Balyasny Asset Management
Balyasny Asset Management Chicago, Illinois $77.1B AUM 42.89% 1-Year Est. Return
LCM
Laurion Capital Management New York $2.29B AUM 75.73% 1-Year Est. Return
NCM
Nantahala Capital Management New Canaan, Connecticut $2.72B AUM 121.58% 1-Year Est. Return
PBPIA
Pivotal bioVenture Partners Investment Advisor San Francisco, California $280M AUM 181.4% 1-Year Est. Return
5VM
5AM Venture Management San Francisco, California $360M AUM 345.76% 1-Year Est. Return
AC
Almitas Capital Santa Monica, California $443M AUM 42.36% 1-Year Est. Return

Fortitude Family Office's RLYB Position: Q1 2026 in Review

Fortitude Family Office opened a new position in Rallybio (RLYB) in Q1 2026: 53 shares worth $475. The stake represents ﹤0.01% of the portfolio and ranks #1750 among its holdings.

38 funds tracked by Wall St. Rank hold RLYB as of Q1 2026.

  • Fortitude Family Office held 53 shares of Rallybio worth $475 as of Q1 2026.
  • Rallybio was a new Fortitude Family Office position in Q1 2026.
  • Rallybio made up ﹤0.01% of Fortitude Family Office's portfolio in Q1 2026, its #1750 holding.
  • 38 funds tracked by Wall St. Rank held Rallybio as of Q1 2026.

Based on Fortitude Family Office's 13F filing for Q1 2026, filed 16 Apr 2026.