UBS Group
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UBS Group’s Rallybio RLYB Stock Holding History

UBS Group’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 		$71K Buy
7,914
+7,342
+1,284% +$50.2K ﹤0.01% 7182
2025
Q4 		$3.14K Buy
572
+276
+93% +$1.42K ﹤0.01% 9095
2025
Q3 		$1.18K Sell
296
-14,734
-98% -$61.9K ﹤0.01% 9409
2025
Q2 		$40.6K Buy
15,030
+13,105
+681% +$34.7K ﹤0.01% 7939
2025
Q1 		$10.1K Buy
1,925
+880
+84% +$5.56K ﹤0.01% 8649
2024
Q4 		$8.02K Buy
1,045
+752
+257% +$6.3K ﹤0.01% 8432
2024
Q3 		$2.74K Sell
293
-1,037
-78% -$9.99K ﹤0.01% 8380
2024
Q2 		$14.3K Sell
1,330
-2,504
-65% -$33.9K ﹤0.01% 7524
2024
Q1 		$56.7K Buy
3,834
+617
+19% +$8.6K ﹤0.01% 6454
2023
Q4 		$61.5K Buy
3,217
+982
+44% +$24K ﹤0.01% 6438
2023
Q3 		$60.3K Buy
2,235
+27
+1% +$1.17K ﹤0.01% 6177
2023
Q2 		$100K Buy
2,208
+1,326
+150% +$65K ﹤0.01% 6016
2023
Q1 		$40.3K Buy
882
+270
+44% +$13.9K ﹤0.01% 6602
2022
Q4 		$32.1K Buy
612
+503
+461% +$29.7K ﹤0.01% 7169
2022
Q3 		$13K Buy
+109
New +$9.71K ﹤0.01% 8061
2022
Q1 		– Sell
-339
Closed -$26K – 10801
2021
Q4 		$26K Buy
+339
New +$39.4K ﹤0.01% 7546

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

UBS Group's RLYB Position: Q1 2026 in Review

UBS Group increased its Rallybio (RLYB) stake by 1,284% in Q1 2026, buying an estimated $50.2K and bringing the position to 7,914 shares worth $71K. The position accounts for ﹤0.01% of the portfolio, ranked #7182.

UBS Group first reported a position in RLYB in Q4 2021 and has held it in 16 quarters since. The position peaked at $100K in Q2 2023. 38 funds tracked by Wall St. Rank hold RLYB as of Q1 2026.

  • UBS Group held 7,914 shares of Rallybio worth $71K as of Q1 2026.
  • UBS Group bought 7,342 Rallybio shares in Q1 2026, an estimated $50.2K.
  • Rallybio made up ﹤0.01% of UBS Group's portfolio in Q1 2026, its #7182 holding.
  • UBS Group first reported a position in Rallybio in Q4 2021 and has held it in 16 quarters since.
  • UBS Group's Rallybio position peaked at $100K in Q2 2023.
  • 38 funds tracked by Wall St. Rank held Rallybio as of Q1 2026.

Based on UBS Group's 13F filing for Q1 2026, filed 5 May 2026.