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ImmunoGen shares owned by PRIMECAP Management Company

Quarter-by-quarter ownership of ImmunoGen (IMGN) shares owned by PRIMECAP Management Company from 13F filings

Historical chart of PRIMECAP Management Company investment in ImmunoGen

Tip: Access up to 7 years of quarterly data

All positions including ImmunoGen held by PRIMECAP Management Company consolidated in one spreadsheet with up to 7 years of data

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Quarterly reported holdings in ImmunoGen by PRIMECAP Management Company

Quarter filed Position value Share count Share price at filing
2013-03-31 $201M 13M 16.07
2012-09-30 $183M 13M 14.59
2012-03-31 $160M 11M 14.39
2011-12-31 $130M 11M 11.58
2011-09-30 $123M 11M 10.96
2011-06-30 $137M 11M 12.19
2011-03-31 $92M 10M 9.07
2010-12-31 $94M 10M 9.26
2010-09-30 $62M 9.9M 6.27
2010-06-30 $92M 9.9M 9.27
2009-12-31 $33M 4.3M 7.86
2009-09-30 $864k 107k 8.11