Laurion Capital Management’s Rallybio RLYB Stock Holding History

Laurion Capital Management’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	-302,756	Closed	-$2.72M	–	539
2026 Q1	$2.72M	Buy	+302,756	New	+$2.07M	0.12%	184
2025 Q3	–	Sell	-91,943	Closed	-$249K	–	416
2025 Q2	$249K	Hold	91,943	–	–	﹤0.01%	310
2025 Q1	$481K	Hold	91,943	–	–	0.01%	204
2024 Q4	$706K	Hold	91,943	–	–	0.01%	221
2024 Q3	$861K	Sell	91,943 -5,981	-6%	-$57.6K	0.01%	189
2024 Q2	$1.05M	Hold	97,924	–	–	0.01%	284
2024 Q1	$1.45M	Hold	97,924	–	–	0.01%	354
2023 Q4	$1.87M	Hold	97,924	–	–	0.02%	301
2023 Q3	$2.64M	Hold	97,924	–	–	0.02%	319
2023 Q2	$4.43M	Hold	97,924	–	–	0.02%	264
2023 Q1	$4.47M	Buy	97,924 +13	+0%	+$672	0.03%	241
2022 Q4	$5.15M	Buy	97,911 +47,661	+95%	+$2.81M	0.02%	263
2022 Q3	$5.82M	Hold	50,250	–	–	0.03%	240
2022 Q2	$3.04M	Buy	50,250 +250	+0.5%	+$18.8K	0.05%	199
2022 Q1	$2.79M	Hold	50,000	–	–	0.03%	193
2021 Q4	$3.82M	Hold	50,000	–	–	0.04%	213
2021 Q3	$7.03M	Buy	+50,000	New	+$5.86M	0.03%	305

Other funds holding RLYB

ACM

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

Citadel Advisors Miami, Florida $875B AUM 40.91% 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

Laurion Capital Management's RLYB Position: Q2 2026 in Review

Laurion Capital Management sold out of Rallybio (RLYB) in Q2 2026, closing a stake of 302,756 shares — an estimated $2.72M sold.

Laurion Capital Management first reported a position in RLYB in Q3 2021 and held it in 17 quarters. The position peaked at $7.03M in Q3 2021. 37 funds tracked by Wall St. Rank hold RLYB as of Q2 2026.

Laurion Capital Management reported no remaining Rallybio position as of Q2 2026 after selling out during the quarter.
Laurion Capital Management sold 302,756 Rallybio shares in Q2 2026, an estimated $2.72M.
Laurion Capital Management first reported a position in Rallybio in Q3 2021 and held it in 17 quarters.
Laurion Capital Management's Rallybio position peaked at $7.03M in Q3 2021.
37 funds tracked by Wall St. Rank held Rallybio as of Q2 2026.

Based on Laurion Capital Management's 13F filing for Q2 2026, filed 13 Aug 2026.