New Leaf Venture Partners’s Rallybio RLYB Stock Holding History

New Leaf Venture Partners’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
2025 Q3	$1.65M	Hold	412,700	–	–	3.83%	5
2025 Q2	$1.12M	Hold	412,700	–	–	2.11%	6
2025 Q1	$2.15M	Hold	412,700	–	–	4.78%	4
2024 Q4	$3.17M	Hold	412,700	–	–	4.24%	4
2024 Q3	$3.86M	Hold	412,700	–	–	3.97%	4
2024 Q2	$4.42M	Hold	412,700	–	–	5.38%	4
2024 Q1	$6.11M	Hold	412,700	–	–	5.35%	5
2023 Q4	$7.89M	Hold	412,700	–	–	6.36%	5
2023 Q3	$11.1M	Hold	412,700	–	–	14.29%	3
2023 Q2	$18.7M	Hold	412,700	–	–	16.05%	2
2023 Q1	$18.9M	Hold	412,700	–	–	15.58%	2
2022 Q4	$21.7M	Buy	412,700 +125,000	+43%	+$7.38M	15.7%	2
2022 Q3	$33.3M	Hold	287,700	–	–	19.76%	2
2022 Q2	$17.4M	Hold	287,700	–	–	11.26%	2
2022 Q1	$16.1M	Hold	287,700	–	–	7.92%	2
2021 Q4	$22M	Hold	287,700	–	–	7.96%	4
2021 Q3	$40.5M	Buy	+287,700	New	+$33.7M	11.67%	3

Other funds holding RLYB

Viking Global Investors Stamford, Connecticut $35.7B AUM 21.3% 1-Year Est. Return

Johnson & Johnson New Brunswick, New Jersey $652M AUM 198.07% 1-Year Est. Return

5VM

5AM Venture Management San Francisco, California $360M AUM 345.76% 1-Year Est. Return

TGA

TPG GP A Fort Worth, Texas $3.68B AUM 14.99% 1-Year Est. Return

PBPIA

Pivotal bioVenture Partners Investment Advisor San Francisco, California $280M AUM 181.4% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

Almitas Capital Santa Monica, California $443M AUM 42.36% 1-Year Est. Return

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

AIIC

AJU IB Investment Company Seoul, South Korea $30.5M AUM 128.96% 1-Year Est. Return

Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return

New Leaf Venture Partners's RLYB Position: Q3 2025 in Review

New Leaf Venture Partners held its Rallybio (RLYB) position steady in Q3 2025 at 412,700 shares worth $1.65M. The position accounts for 3.83% of the portfolio, ranked #5.

New Leaf Venture Partners first reported a position in RLYB in Q3 2021 and has held it in 17 quarters since. The position peaked at $40.5M in Q3 2021. 45 funds tracked by Wall St. Rank hold RLYB as of Q3 2025.

New Leaf Venture Partners held 412,700 shares of Rallybio worth $1.65M as of Q3 2025.
New Leaf Venture Partners left its Rallybio share count unchanged in Q3 2025.
Rallybio made up 3.83% of New Leaf Venture Partners's portfolio in Q3 2025, its #5 holding.
New Leaf Venture Partners first reported a position in Rallybio in Q3 2021 and has held it in 17 quarters since.
New Leaf Venture Partners's Rallybio position peaked at $40.5M in Q3 2021.
45 funds tracked by Wall St. Rank held Rallybio as of Q3 2025.

Based on New Leaf Venture Partners's 13F filing for Q3 2025, filed 14 Nov 2025.