ZYMEWORKS INC

Ticker: ZYME CUSIP: 98985Y108 Class: Common Stock

EcoR1 Capital, LLC's Holding History (CIK: 0001587114)

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

Q4 2025
Shares 22,970,388 Value ($000) $604,810 Avg Close $21.81 Range $16.00 - $28.49
Q3 2025
Shares 22,970,388 Value ($000) $392,334 Avg Close $14.31 Range $11.51 - $17.60
Q2 2025
Shares 22,970,388 Value ($000) $288,278 Avg Close $11.91 Range $9.03 - $13.44
Q1 2025
Shares 17,259,548 Value ($000) $205,561 Avg Close $13.64 Range $10.96 - $17.07
Q4 2024
Shares 15,028,079 Value ($000) $220,011 Avg Close $13.98 Range $11.99 - $17.70
Q3 2024
Shares 13,437,473 Value ($000) $168,640 Avg Close $10.89 Range $8.32 - $13.27
Q2 2024
Shares 13,437,473 Value ($000) $114,353 Avg Close $8.90 Range $7.97 - $10.56
Q1 2024
Shares 13,437,473 Value ($000) $141,362 Avg Close $11.10 Range $9.64 - $13.14
Q4 2023
Shares 13,437,473 Value ($000) $139,615 Avg Close $7.97 Range $6.01 - $10.99
Q3 2023
Shares 13,437,473 Value ($000) $85,194 Avg Close $7.39 Range $6.11 - $8.80
Q2 2023
Shares 13,437,473 Value ($000) $116,100 Avg Close $8.95 Range $7.75 - $10.35
Q1 2023
Shares 10,087,473 Value ($000) $91,191 Avg Close $8.72 Range $7.31 - $10.80
Q4 2022
Shares 7,568,573 Value ($000) $59,489 Avg Close $7.03 Range $4.86 - $9.28