Question 1

How many shares of GBIO does BlackRock, Inc. own?

Accepted Answer

BlackRock, Inc. previously held 0 shares of GBIO (GENERATION BIO CO) before exiting the position in 2026-Q1.

Question 2

What is BlackRock, Inc.'s GBIO position worth?

Accepted Answer

BlackRock, Inc.'s GBIO position was last reported at $0 in 2026-Q1 before the exit.

Question 3

Is BlackRock, Inc. buying or selling GBIO?

Accepted Answer

In 2026-Q1, BlackRock, Inc. exited their GBIO position entirely (-100.0% change in shares).

Question 4

When did BlackRock, Inc. first buy GBIO?

Accepted Answer

Based on available 13F filings, BlackRock, Inc. first reported a position in GBIO in 2024-Q4. They have held the position across 6 quarters.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q1 Latest	Exited	0	-100.0%	$0	0.0%	$5.34	0
2025-Q4	Decreased	60,070	-0.1%	$341,197	0.0%	$5.59	0
2025-Q3	Decreased	60,116	-94.8%	$367,910	0.0%	$5.98	0
2025-Q2	Decreased	1.2M	-65.9%	$371,821	0.0%	$3.00	0
2025-Q1	Decreased	3.4M	-1.6%	$1.4M	0.0%	$4.28	0
2024-Q4	New	3.5M	-	$3.7M	0.0%	$10.60	37

GBIO6 quarters

GBIO
6 quarters