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Tower Research Capital (TRC)’s Rallybio RLYB Stock Holding History

Tower Research Capital (TRC)’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 		– Sell
-907
Closed -$8.14K – 5566
2026
Q1 		$8.14K Buy
907
+341
+60% +$2.33K ﹤0.01% 3984
2025
Q4 		$3.1K Sell
566
-707
-56% -$3.64K ﹤0.01% 4423
2025
Q3 		$5.08K Buy
1,273
+355
+39% +$1.49K ﹤0.01% 4268
2025
Q2 		$2.48K Buy
918
+269
+41% +$713 ﹤0.01% 4646
2025
Q1 		$3.4K Buy
649
+195
+43% +$1.23K ﹤0.01% 4418
2024
Q4 		$3.49K Buy
454
+21
+5% +$176 ﹤0.01% 4649
2024
Q3 		$4.05K Sell
433
-1,214
-74% -$11.7K ﹤0.01% 4701
2024
Q2 		$17.7K Buy
1,647
+632
+62% +$8.56K ﹤0.01% 3826
2024
Q1 		$15K Buy
1,015
+551
+119% +$7.68K ﹤0.01% 3267
2023
Q4 		$8.86K Buy
464
+128
+38% +$3.13K ﹤0.01% 4455
2023
Q3 		$9.05K Buy
336
+143
+74% +$6.19K ﹤0.01% 4274
2023
Q2 		$8.73K Sell
193
-64
-25% -$3.14K ﹤0.01% 4379
2023
Q1 		$12K Buy
257
+124
+93% +$6.41K ﹤0.01% 4117
2022
Q4 		$7K Sell
133
-264
-66% -$15.6K ﹤0.01% 4608
2022
Q3 		$46K Buy
397
+154
+63% +$13.7K ﹤0.01% 3243
2022
Q2 		$15K Buy
243
+79
+48% +$5.94K ﹤0.01% 4087
2022
Q1 		$9K Sell
164
-165
-50% -$13.7K ﹤0.01% 4483
2021
Q4 		$25K Buy
329
+270
+458% +$31.4K ﹤0.01% 3434
2021
Q3 		$8K Buy
+59
New +$6.92K ﹤0.01% 4558

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

Tower Research Capital (TRC)'s RLYB Position: Q2 2026 in Review

Tower Research Capital (TRC) sold out of Rallybio (RLYB) in Q2 2026, closing a stake of 907 shares — an estimated $8.14K sold.

Tower Research Capital (TRC) first reported a position in RLYB in Q3 2021 and held it in 19 quarters. The position peaked at $46K in Q3 2022. 37 funds tracked by Wall St. Rank hold RLYB as of Q2 2026.

  • Tower Research Capital (TRC) reported no remaining Rallybio position as of Q2 2026 after selling out during the quarter.
  • Tower Research Capital (TRC) sold 907 Rallybio shares in Q2 2026, an estimated $8.14K.
  • Tower Research Capital (TRC) first reported a position in Rallybio in Q3 2021 and held it in 19 quarters.
  • Tower Research Capital (TRC)'s Rallybio position peaked at $46K in Q3 2022.
  • 37 funds tracked by Wall St. Rank held Rallybio as of Q2 2026.

Based on Tower Research Capital (TRC)'s 13F filing for Q2 2026, filed 11 Aug 2026.