MERSANA THERAPEUTICS INC

CUSIP: 59045L106 Class: COM

Rock Springs Capital Management LP's Holding History (CIK: 0001595725)

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

Q2 2025
Shares 3,814,684 Value ($000) $1,129 Avg Close — Range —
Q1 2025
Shares 3,814,684 Value ($000) $1,313 Avg Close — Range —
Q4 2024
Shares 3,431,684 Value ($000) $4,907 Avg Close — Range —
Q3 2024
Shares 3,046,782 Value ($000) $5,758 Avg Close — Range —
Q2 2024
Shares 3,046,782 Value ($000) $6,124 Avg Close — Range —
Q1 2024
Shares 3,046,782 Value ($000) $13,650 Avg Close — Range —
Q4 2023
Shares 3,046,782 Value ($000) $7,069 Avg Close — Range —
Q3 2023
Shares 3,403,133 Value ($000) $4,322 Avg Close — Range —
Q2 2023
Shares 3,403,133 Value ($000) $11,196 Avg Close — Range —
Q1 2023
Shares 4,103,803 Value ($000) $16,867 Avg Close — Range —
Q4 2022
Shares 4,103,803 Value ($000) $24,048 Avg Close — Range —
Q3 2022
Shares 4,075,958 Value ($000) $27,553 Avg Close — Range —
Q2 2022
Shares 4,075,958 Value ($000) $18,831 Avg Close — Range —
Q1 2022
Shares 3,755,820 Value ($000) $14,986 Avg Close — Range —
Q4 2021
Shares 3,248,950 Value ($000) $20,208 Avg Close — Range —
Q3 2021
Shares 3,020,702 Value ($000) $28,485 Avg Close — Range —
Q2 2021
Shares 2,845,618 Value ($000) $38,643 Avg Close — Range —
Q1 2021
Shares 2,775,127 Value ($000) $44,902 Avg Close — Range —
Q4 2020
Shares 2,063,667 Value ($000) $54,914 Avg Close — Range —
Q3 2020
Shares 1,885,428 Value ($000) $35,107 Avg Close — Range —
Q2 2020
Shares 1,878,428 Value ($000) $43,955 Avg Close — Range —
Q1 2020
Shares 1,233,000 Value ($000) $7,188 Avg Close — Range —
Q4 2019
Shares 1,233,000 Value ($000) $7,065 Avg Close — Range —
Q3 2019
Shares 1,400,000 Value ($000) $2,212 Avg Close — Range —
Q2 2019
Shares 1,400,000 Value ($000) $5,670 Avg Close — Range —
Q1 2019
Shares 1,400,000 Value ($000) $7,364 Avg Close — Range —
Q4 2018
Shares 1,000,000 Value ($000) $4,080 Avg Close — Range —
Q3 2018
Shares 1,000,000 Value ($000) $10,000 Avg Close — Range —
Q2 2018
Shares 1,000,000 Value ($000) $17,860 Avg Close — Range —
Q1 2018
Shares 1,300,000 Value ($000) $20,501 Avg Close — Range —
Q4 2017
Shares 1,326,800 Value ($000) $21,799 Avg Close — Range —
Q3 2017
Shares 1,330,000 Value ($000) $22,996 Avg Close — Range —
Q2 2017
Shares 1,527,893 Value ($000) $21,345 Avg Close — Range —