Primecap Management’s Immunogen Inc IMGN Stock Holding History

Primecap Management’s Portfolio IMGN Stock Details IMGN Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2024 Q1	–	Sell	-273,100	Closed	-$8.1M	–	340
2023 Q4	$8.1M	Hold	273,100	–	–	0.01%	270
2023 Q3	$4.33M	Hold	273,100	–	–	﹤0.01%	288
2023 Q2	$5.15M	Sell	273,100 -10,000	-4%	-$118K	﹤0.01%	284
2023 Q1	$1.09M	Sell	283,100 -417,127	-60%	-$1.78M	﹤0.01%	310
2022 Q4	$3.47M	Sell	700,227 -28,100	-4%	-$152K	﹤0.01%	283
2022 Q3	$3.48M	Hold	728,327	–	–	﹤0.01%	286
2022 Q2	$3.28M	Sell	728,327 -28,500	-4%	-$124K	﹤0.01%	294
2022 Q1	$3.6M	Sell	756,827 -4,900	-0.6%	-$27.1K	﹤0.01%	294
2021 Q4	$5.65M	Sell	761,727 -27,200	-3%	-$169K	﹤0.01%	287
2021 Q3	$4.47M	Sell	788,927 -14,900	-2%	-$86.1K	﹤0.01%	291
2021 Q2	$5.3M	Sell	803,827 -42,300	-5%	-$295K	﹤0.01%	284
2021 Q1	$6.85M	Sell	846,127 -54,700	-6%	-$447K	﹤0.01%	275
2020 Q4	$5.81M	Hold	900,827	–	–	﹤0.01%	275
2020 Q3	$3.24M	Sell	900,827 -42,300	-4%	-$171K	﹤0.01%	272
2020 Q2	$4.34M	Sell	943,127 -55,000	-6%	-$234K	﹤0.01%	257
2020 Q1	$3.4M	Sell	998,127 -2,676,800	-73%	-$11.7M	﹤0.01%	247
2019 Q4	$18.8M	Sell	3,674,927 -18,873	-0.5%	-$64.1K	0.01%	219
2019 Q3	$8.94M	Sell	3,693,800 -63,800	-2%	-$169K	0.01%	234
2019 Q2	$8.15M	Hold	3,757,600	–	–	0.01%	248
2019 Q1	$10.2M	Sell	3,757,600 -7,400	-0.2%	-$32.1K	0.01%	237
2018 Q4	$18.1M	Sell	3,765,000 -23,800	-0.6%	-$144K	0.01%	214
2018 Q3	$35.9M	Sell	3,788,800 -34,500	-0.9%	-$332K	0.02%	201
2018 Q2	$37.2M	Hold	3,823,300	–	–	0.03%	190
2018 Q1	$40.2M	Hold	3,823,300	–	–	0.03%	187
2017 Q4	$24.5M	Hold	3,823,300	–	–	0.02%	196
2017 Q3	$29.2M	Sell	3,823,300 -59,200	-2%	-$393K	0.02%	191
2017 Q2	$27.6M	Sell	3,882,500 -83,500	-2%	-$382K	0.02%	199
2017 Q1	$15.3M	Sell	3,966,000 -1,086,943	-22%	-$3.17M	0.01%	212
2016 Q4	$10.3M	Sell	5,052,943 -4,566,179	-47%	-$9.17M	0.01%	223
2016 Q3	$25.8M	Sell	9,619,122 -494,507	-5%	-$1.44M	0.03%	193
2016 Q2	$31.1M	Sell	10,113,629 -2,753,854	-21%	-$17.3M	0.03%	185
2016 Q1	$110M	Hold	12,867,483	–	–	0.11%	122
2015 Q4	$175M	Hold	12,867,483	–	–	0.18%	102
2015 Q3	$124M	Hold	12,867,483	–	–	0.14%	118
2015 Q2	$185M	Buy	12,867,483 +258,333	+2%	+$2.84M	0.18%	106
2015 Q1	$113M	Buy	12,609,150 +482,077	+4%	+$3.49M	0.11%	130
2014 Q4	$74M	Buy	12,127,073 +208,677	+2%	+$1.91M	0.08%	146
2014 Q3	$126M	Sell	11,918,396 -4,000	-0%	-$45.2K	0.14%	114
2014 Q2	$141M	Sell	11,922,396 -753,031	-6%	-$9.45M	0.15%	106
2014 Q1	$189M	Hold	12,675,427	–	–	0.21%	92
2013 Q4	$186M	Buy	12,675,427 +73,700	+0.6%	+$1.13M	0.22%	90
2013 Q3	$214M	Buy	12,601,727 +94,300	+0.8%	+$1.66M	0.28%	80
2013 Q2	$207M	Buy	+12,507,427	New	+$203M	0.3%	77

Other funds holding IMGN

IFP Advisors Tampa, Florida $4.82B AUM 20.19% 1-Year Est. Return

Mather Group Chicago, Illinois $10B AUM 15.14% 1-Year Est. Return

HNB

Huntington National Bank Columbus, Ohio $18.1B AUM 24.69% 1-Year Est. Return

Primecap Management's IMGN Position: Q1 2024 in Review

Primecap Management sold out of Immunogen Inc (IMGN) in Q1 2024, closing a stake of 273,100 shares — an estimated $8.1M sold.

Primecap Management first reported a position in IMGN in Q2 2013 and held it in 43 quarters. The position peaked at $214M in Q3 2013. 3 funds tracked by Wall St. Rank hold IMGN as of Q1 2024.

Primecap Management reported no remaining Immunogen Inc position as of Q1 2024 after selling out during the quarter.
Primecap Management sold 273,100 Immunogen Inc shares in Q1 2024, an estimated $8.1M.
Primecap Management first reported a position in Immunogen Inc in Q2 2013 and held it in 43 quarters.
Primecap Management's Immunogen Inc position peaked at $214M in Q3 2013.
3 funds tracked by Wall St. Rank held Immunogen Inc as of Q1 2024.

Based on Primecap Management's 13F filing for Q1 2024, filed 14 May 2024.