Opaleye Management’s Generation Bio GBIO Stock Holding History

Opaleye Management’s Portfolio GBIO Stock Details GBIO Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	–	Sell	-310,000	Closed	-$1.76M	–	57
2025 Q4	$1.76M	Buy	+310,000	New	+$1.75M	0.23%	47

Other funds holding GBIO

ACM

Accent Capital Management Centerville, Ohio $231M AUM 33.86% 1-Year Est. Return

Opaleye Management's GBIO Position: Q1 2026 in Review

Opaleye Management sold out of Generation Bio (GBIO) in Q1 2026, closing a stake of 310,000 shares — an estimated $1.76M sold.

Opaleye Management first reported a position in GBIO in Q4 2025 and held it in 1 quarter. The position peaked at $1.76M in Q4 2025. 2 funds tracked by Wall St. Rank hold GBIO as of Q1 2026.

Opaleye Management reported no remaining Generation Bio position as of Q1 2026 after selling out during the quarter.
Opaleye Management sold 310,000 Generation Bio shares in Q1 2026, an estimated $1.76M.
Opaleye Management first reported a position in Generation Bio in Q4 2025 and held it in 1 quarter.
Opaleye Management's Generation Bio position peaked at $1.76M in Q4 2025.
2 funds tracked by Wall St. Rank held Generation Bio as of Q1 2026.

Based on Opaleye Management's 13F filing for Q1 2026, filed 15 May 2026.