HolderBook

IMMUNOGEN INC (IMGN)

Institutional ownership reported to the SEC as of Q2 2026, across 31 quarters.

1
Reporting holders
$269
Reported value
0.0%
Held as options
+0
Holder change

Options share is the part of reported value carried in derivative lines rather than shares. A high figure means institutions are expressing a view on this security without owning much of it.

Holders

FilerValueShares Their book Held Change
HUNTINGTON NATIONAL BANK$26910.00%15qHELD

Quarter by quarter

Coverage begins with the quarter ending 2018-12-31. Earlier filings exist only as occasional late amendments, too sparse to describe a market, so they are not shown.

QuarterHoldersValue SharesNewAdded TrimmedOptions
Q2 20261$26910000.0%
Q1 20261$26910000.0%
Q4 20251$26910000.0%
Q3 20251$26910000.0%
Q2 20251$26910000.0%
Q1 20251$26910000.0%
Q4 20241$26910000.0%
Q3 20241$26910000.0%
Q2 20241$3110000.0%
Q1 20243$27.8K8931010.0%
Q4 2023308$7.9B256,077,94410362894.4%
Q3 2023246$3.9B238,475,72035102582.2%
Q2 2023238$4.1B214,225,9509161602.4%
Q1 2023162$786.4M202,918,0792147472.5%
Q4 2022161$947.2M190,235,4762851470.9%
Q3 2022212$955.3M198,139,4662569650.7%
Q2 2022207$887.7M196,095,5032555770.6%
Q1 2022212$935.2M194,526,1452869641.1%
Q4 2021228$1.4B190,762,4803385531.5%
Q3 2021212$1.0B176,650,8662955762.3%
Q2 2021207$1.2B180,689,6843364571.2%
Q1 2021213$1.5B182,691,7973070690.7%
Q4 2020207$1.1B173,754,2023554691.0%
Q3 2020176$513.0M142,071,2301647660.3%
Q2 2020185$642.7M139,350,4972964510.3%
Q1 2020177$470.3M137,487,1922868440.3%
Q4 2019187$584.0M114,315,3873157550.6%
Q3 2019176$254.6M104,001,1672651571.2%
Q2 2019180$231.1M103,968,3642560472.6%
Q1 2019205$343.3M117,946,6214058526.8%
Q4 2018191$619.6M124,572,7763343.6%