IMMUNOGEN INC

CUSIP: 45253H101 Class: Common Stock

NORGES BANK's Holding History (CIK: 0001374170)

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

Q4 2023
Shares 5,539,334 Value ($000) $164,241 Avg Close — Range —
Q3 2023
Shares 2,055,089 Value ($000) $32,614 Avg Close — Range —
Q2 2023
Shares 165,000 Value ($000) $3,114 Avg Close — Range —
Q2 2022
Shares 114,900 Value ($000) $517 Avg Close — Range —
Q1 2022
Shares 1,934,900 Value ($000) $9,210 Avg Close — Range —
Q4 2021
Shares 1,934,900 Value ($000) $14,357 Avg Close — Range —
Q2 2020
Shares 661,600 Value ($000) $3,043 Avg Close — Range —
Q3 2019
Shares 231,752 Value ($000) $561 Avg Close — Range —
Q2 2019
Shares 231,752 Value ($000) $503 Avg Close — Range —
Q1 2019
Shares 428,383 Value ($000) $1,161 Avg Close — Range —
Q4 2018
Shares 428,383 Value ($000) $2,056 Avg Close — Range —
Q3 2018
Shares 533,979 Value ($000) $5,057 Avg Close — Range —
Q2 2018
Shares 533,979 Value ($000) $5,196 Avg Close — Range —
Q1 2018
Shares 333,979 Value ($000) $3,513 Avg Close — Range —
Q4 2017
Shares 333,979 Value ($000) $2,141 Avg Close — Range —
Q3 2017
Shares 333,979 Value ($000) $2,555 Avg Close — Range —
Q2 2017
Shares 333,979 Value ($000) $2,375 Avg Close — Range —
Q1 2017
Shares 1,530,772 Value ($000) $5,924 Avg Close — Range —
Q4 2016
Shares 1,530,772 Value ($000) $3,123 Avg Close — Range —
Q3 2016
Shares 1,530,772 Value ($000) $3,918 Avg Close — Range —
Q2 2016
Shares 1,530,772 Value ($000) $4,715 Avg Close — Range —
Q1 2016
Shares 1,530,772 Value ($000) $13,043 Avg Close — Range —
Q4 2015
Shares 1,530,772 Value ($000) $20,773 Avg Close — Range —
Q3 2015
Shares 1,530,772 Value ($000) $14,696 Avg Close — Range —
Q2 2015
Shares 1,640,389 Value ($000) $23,589 Avg Close — Range —
Q1 2015
Shares 1,640,389 Value ($000) $14,681 Avg Close — Range —
Q4 2014
Shares 1,481,153 Value ($000) $9,035 Avg Close — Range —
Q3 2014
Shares 839,562 Value ($000) $8,891 Avg Close — Range —
Q2 2014
Shares 1,089,562 Value ($000) $12,911 Avg Close — Range —
Q1 2014
Shares 1,608,562 Value ($000) $24,017 Avg Close — Range —
Q4 2013
Shares 2,372,940 Value ($000) $34,811 Avg Close — Range —
Q3 2013
Shares 2,403,855 Value ($000) $40,914 Avg Close — Range —
Q2 2013
Shares 622,078 Value ($000) $10,320 Avg Close — Range —
Q1 2013
Shares 406,605 Value ($000) $6,530 Avg Close — Range —
Q3 2012
Shares 334,089 Value ($000) $4,878 Avg Close — Range —
Q2 2012
Shares 334,089 Value ($000) $5,393 Avg Close — Range —