MERSANA THERAPEUTICS INC

CUSIP: 59045L106 Class: COM

WELLINGTON MANAGEMENT GROUP LLP's Holding History (CIK: 0000902219)

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

Q4 2024
Shares 576,148 Value ($000) $824 Avg Close — Range —
Q3 2024
Shares 618,305 Value ($000) $1,169 Avg Close — Range —
Q2 2024
Shares 532,866 Value ($000) $1,071 Avg Close — Range —
Q1 2024
Shares 534,618 Value ($000) $2,395 Avg Close — Range —
Q2 2022
Shares 480,644 Value ($000) $2,220 Avg Close — Range —
Q1 2022
Shares 480,644 Value ($000) $1,918 Avg Close — Range —
Q4 2021
Shares 5,017,078 Value ($000) $31,207 Avg Close — Range —
Q3 2021
Shares 6,007,375 Value ($000) $56,650 Avg Close — Range —
Q2 2021
Shares 6,877,336 Value ($000) $93,395 Avg Close — Range —
Q1 2021
Shares 6,177,793 Value ($000) $99,957 Avg Close — Range —
Q4 2020
Shares 4,653,066 Value ($000) $123,818 Avg Close — Range —
Q3 2020
Shares 3,790,832 Value ($000) $70,585 Avg Close — Range —
Q2 2020
Shares 2,886,127 Value ($000) $67,534 Avg Close — Range —
Q1 2020
Shares 21,037 Value ($000) $123 Avg Close — Range —
Q4 2019
Shares 21,037 Value ($000) $121 Avg Close — Range —
Q3 2019
Shares 867,916 Value ($000) $1,372 Avg Close — Range —
Q2 2019
Shares 901,938 Value ($000) $3,653 Avg Close — Range —
Q1 2019
Shares 965,732 Value ($000) $5,080 Avg Close — Range —
Q4 2018
Shares 966,902 Value ($000) $3,944 Avg Close — Range —
Q3 2018
Shares 2,730,395 Value ($000) $27,303 Avg Close — Range —
Q2 2018
Shares 2,722,927 Value ($000) $48,630 Avg Close — Range —
Q1 2018
Shares 2,950,341 Value ($000) $46,526 Avg Close — Range —
Q4 2017
Shares 2,418,324 Value ($000) $39,734 Avg Close — Range —
Q3 2017
Shares 2,391,404 Value ($000) $41,348 Avg Close — Range —
Q2 2017
Shares 2,047,344 Value ($000) $28,270 Avg Close — Range —