Dimensional Fund Advisors’s Rallybio RLYB Stock Holding History

Dimensional Fund Advisors’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	$180K	Hold	11,280	–	–	﹤0.01%	3085
2026 Q1	$101K	Buy	+11,280	New	+$77.1K	﹤0.01%	3119
2024 Q4	–	Sell	-2,650	Closed	-$24.8K	–	3358
2024 Q3	$24.8K	Hold	2,650	–	–	﹤0.01%	3326
2024 Q2	$28.4K	Hold	2,650	–	–	﹤0.01%	3340
2024 Q1	$39.2K	Sell	2,650 -1,055	-28%	-$14.7K	﹤0.01%	3343
2023 Q4	$70.8K	Sell	3,705 -395	-10%	-$9.65K	﹤0.01%	3315
2023 Q3	$111K	Sell	4,100 -176	-4%	-$7.62K	﹤0.01%	3301
2023 Q2	$194K	Buy	4,276 +463	+12%	+$22.7K	﹤0.01%	3240
2023 Q1	$174K	Buy	+3,813	New	+$197K	﹤0.01%	3230
2022 Q3	$335K	Buy	+2,896	New	+$258K	﹤0.01%	3136

Other funds holding RLYB

ACM

ADAR1 Capital Management Austin, Texas $2.19B AUM 374.99% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

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 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 Malvern, Pennsylvania $4.68T AUM

Almitas Capital Santa Monica, California $417M AUM 22.81% 1-Year Est. Return

Rangeley Capital New Canaan, Connecticut $109M AUM 97.13% 1-Year Est. Return

Dimensional Fund Advisors's RLYB Position: Q2 2026 in Review

Dimensional Fund Advisors held its Rallybio (RLYB) position steady in Q2 2026 at 11,280 shares worth $180K. The position accounts for ﹤0.01% of the portfolio, ranked #3085.

Dimensional Fund Advisors first reported a position in RLYB in Q3 2022 and has held it in 10 quarters since. The position peaked at $335K in Q3 2022. 37 funds tracked by Wall St. Rank hold RLYB as of Q2 2026.

Dimensional Fund Advisors held 11,280 shares of Rallybio worth $180K as of Q2 2026.
Dimensional Fund Advisors left its Rallybio share count unchanged in Q2 2026.
Rallybio made up ﹤0.01% of Dimensional Fund Advisors's portfolio in Q2 2026, its #3085 holding.
Dimensional Fund Advisors first reported a position in Rallybio in Q3 2022 and has held it in 10 quarters since.
Dimensional Fund Advisors's Rallybio position peaked at $335K in Q3 2022.
37 funds tracked by Wall St. Rank held Rallybio as of Q2 2026.

Based on Dimensional Fund Advisors's 13F filing for Q2 2026, filed 11 Aug 2026.