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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
Q2 		$848 Hold
53
– – ﹤0.01% 1802
2026
Q1 		$475 Buy
+53
New +$362 ﹤0.01% 1750

Other funds holding RLYB

ACM
ADAR1 Capital Management Austin, Texas $2.19B AUM 374.99% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Viking Global Investors
Viking Global Investors Stamford, Connecticut $35.1B AUM 21.36% 1-Year Est. Return
TGA
TPG GP A Fort Worth, Texas $5B AUM 58.56% 1-Year Est. Return
PBPIA
Pivotal bioVenture Partners Investment Advisor San Francisco, California $308M AUM 120.89% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return
NCM
Nantahala Capital Management New Canaan, Connecticut $3.01B AUM 119.46% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
AC
Almitas Capital Santa Monica, California $417M AUM 22.81% 1-Year Est. Return
RC
Rangeley Capital New Canaan, Connecticut $109M AUM 97.13% 1-Year Est. Return

Fortitude Family Office's RLYB Position: Q2 2026 in Review

Fortitude Family Office held its Rallybio (RLYB) position steady in Q2 2026 at 53 shares worth $848. The position accounts for ﹤0.01% of the portfolio, ranked #1802.

Fortitude Family Office first reported a position in RLYB in Q1 2026 and has held it in 2 quarters since. 37 funds tracked by Wall St. Rank hold RLYB as of Q2 2026.

  • Fortitude Family Office held 53 shares of Rallybio worth $848 as of Q2 2026.
  • Fortitude Family Office left its Rallybio share count unchanged in Q2 2026.
  • Rallybio made up ﹤0.01% of Fortitude Family Office's portfolio in Q2 2026, its #1802 holding.
  • Fortitude Family Office first reported a position in Rallybio in Q1 2026 and has held it in 2 quarters since.
  • 37 funds tracked by Wall St. Rank held Rallybio as of Q2 2026.

Based on Fortitude Family Office's 13F filing for Q2 2026, filed 20 Jul 2026.