GENERATION BIO CO

CUSIP: 37148K209 Class: COM NEW

MARSHALL WACE, LLP's Holding History (CIK: 0001318757)

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

Q4 2025
Shares 140,294 Value ($000) $797 Avg Close — Range —
Q3 2025
Shares 218,461 Value ($000) $1,337 Avg Close — Range —
Q2 2025
Shares 116,201 Value ($000) $37 Avg Close — Range —