GENERATION BIO CO

CUSIP: 37148K100 Class: Common Stock

ACADIAN ASSET MANAGEMENT LLC's Holding History (CIK: 0000916542)

Note: Option positions (PUT/CALL) are excluded.

Q2 2025
Shares 1,233,471 Value ($000) $0 Avg Close — Range —
Q1 2025
Shares 1,159,135 Value ($000) $0 Avg Close — Range —
Q4 2024
Shares 751,292 Value ($000) $1 Avg Close — Range —
Q3 2024
Shares 605,812 Value ($000) $1 Avg Close — Range —
Q2 2024
Shares 594,569 Value ($000) $2 Avg Close — Range —
Q1 2024
Shares 479,835 Value ($000) $2 Avg Close — Range —
Q4 2023
Shares 224,367 Value ($000) $0 Avg Close — Range —
Q3 2022
Shares 18,305 Value ($000) $97 Avg Close — Range —
Q2 2022
Shares 6,590 Value ($000) $43 Avg Close — Range —