Citigroup
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Citigroup’s Rallybio RLYB Stock Holding History

Citigroup’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
-492
Closed -$2.7K – 6322
2025
Q4 		$2.7K Sell
492
-745
-60% -$3.83K ﹤0.01% 5402
2025
Q3 		$4.94K Buy
+1,237
New +$5.2K ﹤0.01% 5232
2025
Q1 		– Sell
-306
Closed -$2.35K – 5900
2024
Q4 		$2.35K Buy
306
+299
+4,271% +$2.5K ﹤0.01% 5540
2024
Q3 		$64 Sell
7
-2,587
-100% -$24.9K ﹤0.01% 5553
2024
Q2 		$27.8K Buy
2,594
+1,800
+227% +$24.4K ﹤0.01% 4892
2024
Q1 		$11.7K Sell
794
-910
-53% -$12.7K ﹤0.01% 5164
2023
Q4 		$32.6K Buy
1,704
+1,695
+18,833% +$41.4K ﹤0.01% 4742
2023
Q3 		$246 Sell
9
-1,132
-99% -$49K ﹤0.01% 5300
2023
Q2 		$51.7K Buy
+1,141
New +$55.9K ﹤0.01% 4630
2023
Q1 		– Sell
-81
Closed -$4.27K – 5808
2022
Q4 		$4.27K Sell
81
-13
-14% -$767 ﹤0.01% 5074
2022
Q3 		$11K Sell
94
-118
-56% -$10.5K ﹤0.01% 4962
2022
Q2 		$13K Buy
212
+38
+22% +$2.85K ﹤0.01% 5243
2022
Q1 		$10K Sell
174
-177
-50% -$14.6K ﹤0.01% 5543
2021
Q4 		$27K Buy
351
+248
+241% +$28.9K ﹤0.01% 5308
2021
Q3 		$14K Buy
+103
New +$12.1K ﹤0.01% 5381

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

Citigroup's RLYB Position: Q1 2026 in Review

Citigroup sold out of Rallybio (RLYB) in Q1 2026, closing a stake of 492 shares — an estimated $2.7K sold.

Citigroup first reported a position in RLYB in Q3 2021 and held it in 15 quarters. The position peaked at $51.7K in Q2 2023. 38 funds tracked by Wall St. Rank hold RLYB as of Q1 2026.

  • Citigroup reported no remaining Rallybio position as of Q1 2026 after selling out during the quarter.
  • Citigroup sold 492 Rallybio shares in Q1 2026, an estimated $2.7K.
  • Citigroup first reported a position in Rallybio in Q3 2021 and held it in 15 quarters.
  • Citigroup's Rallybio position peaked at $51.7K in Q2 2023.
  • 38 funds tracked by Wall St. Rank held Rallybio as of Q1 2026.

Based on Citigroup's 13F filing for Q1 2026, filed 11 May 2026.