IMMUNOGEN INC

CUSIP: 45253H101 Class: Common Stock

STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM's Holding History (CIK: 0000938076)

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

Q4 2023
Shares 69,187 Value ($000) $2,051 Avg Close — Range —
Q3 2023
Shares 69,187 Value ($000) $1,098 Avg Close — Range —
Q2 2023
Shares 68,897 Value ($000) $1,300 Avg Close — Range —
Q1 2023
Shares 70,387 Value ($000) $270 Avg Close — Range —
Q4 2022
Shares 70,387 Value ($000) $349 Avg Close — Range —
Q3 2022
Shares 77,487 Value ($000) $370 Avg Close — Range —
Q2 2022
Shares 77,487 Value ($000) $349 Avg Close — Range —
Q1 2022
Shares 77,487 Value ($000) $369 Avg Close — Range —
Q4 2021
Shares 77,487 Value ($000) $575 Avg Close — Range —
Q3 2021
Shares 77,317 Value ($000) $438 Avg Close — Range —
Q2 2021
Shares 77,317 Value ($000) $510 Avg Close — Range —
Q1 2021
Shares 77,227 Value ($000) $626 Avg Close — Range —
Q4 2020
Shares 77,227 Value ($000) $498 Avg Close — Range —
Q3 2020
Shares 77,227 Value ($000) $278 Avg Close — Range —
Q2 2020
Shares 77,227 Value ($000) $355 Avg Close — Range —
Q1 2020
Shares 77,227 Value ($000) $263 Avg Close — Range —
Q4 2019
Shares 77,487 Value ($000) $396 Avg Close — Range —
Q3 2019
Shares 77,487 Value ($000) $188 Avg Close — Range —
Q2 2019
Shares 77,487 Value ($000) $168 Avg Close — Range —
Q1 2019
Shares 77,487 Value ($000) $210 Avg Close — Range —
Q4 2018
Shares 77,487 Value ($000) $372 Avg Close — Range —
Q3 2018
Shares 77,487 Value ($000) $734 Avg Close — Range —
Q2 2018
Shares 77,487 Value ($000) $754 Avg Close — Range —
Q1 2018
Shares 77,287 Value ($000) $813 Avg Close — Range —
Q4 2017
Shares 81,040 Value ($000) $519 Avg Close — Range —
Q3 2017
Shares 81,040 Value ($000) $620 Avg Close — Range —
Q2 2017
Shares 93,560 Value ($000) $665 Avg Close — Range —
Q1 2017
Shares 93,560 Value ($000) $362 Avg Close — Range —
Q4 2016
Shares 93,560 Value ($000) $191 Avg Close — Range —
Q3 2016
Shares 93,560 Value ($000) $251 Avg Close — Range —
Q2 2016
Shares 93,560 Value ($000) $288 Avg Close — Range —
Q1 2016
Shares 93,560 Value ($000) $797 Avg Close — Range —
Q4 2015
Shares 93,560 Value ($000) $1,270 Avg Close — Range —
Q3 2015
Shares 93,560 Value ($000) $898 Avg Close — Range —
Q2 2015
Shares 93,560 Value ($000) $1,345 Avg Close — Range —
Q1 2015
Shares 89,515 Value ($000) $801 Avg Close — Range —
Q4 2014
Shares 89,515 Value ($000) $546 Avg Close — Range —
Q3 2014
Shares 89,515 Value ($000) $948 Avg Close — Range —
Q2 2014
Shares 89,515 Value ($000) $1,061 Avg Close — Range —
Q1 2014
Shares 86,311 Value ($000) $1,289 Avg Close — Range —
Q4 2013
Shares 86,311 Value ($000) $1,266 Avg Close — Range —
Q3 2013
Shares 86,311 Value ($000) $1,469 Avg Close — Range —
Q2 2013
Shares 86,311 Value ($000) $1,432 Avg Close — Range —