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Nantahala Capital Management’s Rallybio RLYB Stock Holding History

Nantahala Capital Management’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 		$3.01M Sell
188,422
-112,213
-37% -$1.44M 0.1% 123
2026
Q1 		$2.7M Buy
+300,635
New +$2.06M 0.1% 125

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

Nantahala Capital Management's RLYB Position: Q2 2026 in Review

Nantahala Capital Management reduced its Rallybio (RLYB) stake by 37% in Q2 2026, selling an estimated $1.44M and leaving 188,422 shares worth $3.01M. The position accounts for 0.1% of the portfolio, ranked #123.

Nantahala Capital Management 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.

  • Nantahala Capital Management held 188,422 shares of Rallybio worth $3.01M as of Q2 2026.
  • Nantahala Capital Management sold 112,213 Rallybio shares in Q2 2026, an estimated $1.44M.
  • Rallybio made up 0.1% of Nantahala Capital Management's portfolio in Q2 2026, its #123 holding.
  • Nantahala Capital Management 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 Nantahala Capital Management's 13F filing for Q2 2026, filed 14 Aug 2026.