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HRT Financial’s Rallybio RLYB Stock Holding History

HRT Financial’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 		$410K Buy
+25,657
New +$330K ﹤0.01% 2845
2026
Q1 		– Sell
-2,673
Closed -$14K – 4586
2025
Q4 		$14K Sell
2,673
-1,355
-34% -$6.97K ﹤0.01% 3028
2025
Q3 		$16K Buy
4,028
+327
+9% +$1.37K ﹤0.01% 2725
2025
Q2 		$10K Buy
+3,701
New +$9.81K ﹤0.01% 2456
2024
Q3 		– Sell
-3,121
Closed -$33K – 3024
2024
Q2 		$33K Buy
+3,121
New +$42.3K ﹤0.01% 1884

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

HRT Financial's RLYB Position: Q2 2026 in Review

HRT Financial opened a new position in Rallybio (RLYB) in Q2 2026: 25,657 shares worth $410K. The stake represents ﹤0.01% of the portfolio and ranks #2845 among its holdings. This is a return to the name: HRT Financial previously reported a position in RLYB as recently as Q4 2025.

HRT Financial first reported a position in RLYB in Q2 2024 and has held it in 5 quarters since. 37 funds tracked by Wall St. Rank hold RLYB as of Q2 2026.

  • HRT Financial held 25,657 shares of Rallybio worth $410K as of Q2 2026.
  • Rallybio was a new HRT Financial position in Q2 2026.
  • Rallybio made up ﹤0.01% of HRT Financial's portfolio in Q2 2026, its #2845 holding.
  • HRT Financial first reported a position in Rallybio in Q2 2024 and has held it in 5 quarters since.
  • 37 funds tracked by Wall St. Rank held Rallybio as of Q2 2026.

Based on HRT Financial's 13F filing for Q2 2026, filed 14 Aug 2026.