Barclays
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Barclays’s Rallybio RLYB Stock Holding History

Barclays’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 		– Sell
-715
Closed -$3.92K – 5369
2025
Q4 		$3.92K Hold
715
– – ﹤0.01% 5002
2025
Q3 		$2.85K Sell
715
-1,209
-63% -$5.08K ﹤0.01% 5127
2025
Q2 		$5.2K Hold
1,924
– – ﹤0.01% 4968
2025
Q1 		$10.1K Hold
1,924
– – ﹤0.01% 4866
2024
Q4 		$14.8K Hold
1,924
– – ﹤0.01% 4955
2024
Q3 		$18K Sell
1,924
-1,393
-42% -$13.4K ﹤0.01% 4907
2024
Q2 		$35.6K Sell
3,317
-1,311
-28% -$17.8K ﹤0.01% 4320
2024
Q1 		$68.5K Sell
4,628
-2,557
-36% -$35.6K ﹤0.01% 4545
2023
Q4 		$137K Buy
7,185
+6,416
+834% +$157K ﹤0.01% 4550
2023
Q3 		$20.7K Buy
769
+6
+0.8% +$260 ﹤0.01% 4173
2023
Q2 		$34.5K Sell
763
-434
-36% -$21.3K ﹤0.01% 3992
2023
Q1 		$54.7K Buy
1,197
+579
+94% +$29.9K ﹤0.01% 4422
2022
Q4 		$32.5K Buy
618
+533
+627% +$31.5K ﹤0.01% 4697
2022
Q3 		$10K Sell
85
-591
-87% -$52.6K ﹤0.01% 4308
2022
Q2 		$41K Sell
676
-267
-28% -$20.1K ﹤0.01% 4113
2022
Q1 		$52K Buy
+943
New +$78K ﹤0.01% 4107

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

Barclays's RLYB Position: Q1 2026 in Review

Barclays sold out of Rallybio (RLYB) in Q1 2026, closing a stake of 715 shares — an estimated $3.92K sold.

Barclays first reported a position in RLYB in Q1 2022 and held it in 16 quarters. The position peaked at $137K in Q4 2023. 38 funds tracked by Wall St. Rank hold RLYB as of Q1 2026.

  • Barclays reported no remaining Rallybio position as of Q1 2026 after selling out during the quarter.
  • Barclays sold 715 Rallybio shares in Q1 2026, an estimated $3.92K.
  • Barclays first reported a position in Rallybio in Q1 2022 and held it in 16 quarters.
  • Barclays's Rallybio position peaked at $137K in Q4 2023.
  • 38 funds tracked by Wall St. Rank held Rallybio as of Q1 2026.

Based on Barclays's 13F filing for Q1 2026, filed 15 May 2026.