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Rangeley Capital’s Rallybio RLYB Stock Holding History

Rangeley Capital’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 		$1.68M Buy
104,850
+74,720
+248% +$961K 1.53% 15
2026
Q1 		$270K Buy
30,130
+25,130
+503% +$172K 0.26% 80
2025
Q4 		$27.4K Sell
5,000
-5,376
-52% -$27.7K 0.02% 119
2025
Q3 		$41.4K Buy
+10,376
New +$43.6K 0.04% 123

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
Citadel Advisors
Citadel Advisors Miami, Florida $875B AUM 40.89% 1-Year Est. Return

Rangeley Capital's RLYB Position: Q2 2026 in Review

Rangeley Capital increased its Rallybio (RLYB) stake by 248% in Q2 2026, buying an estimated $961K and bringing the position to 104,850 shares worth $1.68M. The position accounts for 1.53% of the portfolio, ranked #15.

Rangeley Capital first reported a position in RLYB in Q3 2025 and has held it in 4 quarters since. 37 funds tracked by Wall St. Rank hold RLYB as of Q2 2026.

  • Rangeley Capital held 104,850 shares of Rallybio worth $1.68M as of Q2 2026.
  • Rangeley Capital bought 74,720 Rallybio shares in Q2 2026, an estimated $961K.
  • Rallybio made up 1.53% of Rangeley Capital's portfolio in Q2 2026, its #15 holding.
  • Rangeley Capital first reported a position in Rallybio in Q3 2025 and has held it in 4 quarters since.
  • 37 funds tracked by Wall St. Rank held Rallybio as of Q2 2026.

Based on Rangeley Capital's 13F filing for Q2 2026, filed 14 Aug 2026.