MERUS N V

CUSIP: N5749R100 Class: Common Stock

WESTFIELD CAPITAL MANAGEMENT CO LP's Holding History (CIK: 0001177719)

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

Q3 2025
Shares 2,132,489 Value ($000) $200,774 Avg Close — Range —
Q2 2025
Shares 2,042,388 Value ($000) $107,430 Avg Close — Range —
Q1 2025
Shares 1,501,220 Value ($000) $63,186 Avg Close — Range —
Q4 2024
Shares 993,157 Value ($000) $41,762 Avg Close — Range —
Q3 2024
Shares 608,457 Value ($000) $30,399 Avg Close — Range —