Baker Bros. Advisors’s Immunogen Inc IMGN Stock Holding History

Baker Bros. Advisors’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
2023 Q3	–	Sell	-1,520,097	Closed	-$28.7M	–	112
2023 Q2	$28.7M	Buy	+1,520,097	New	+$17.9M	0.17%	35
2018 Q1	–	Sell	-2,563,489	Closed	-$16.4M	–	120
2017 Q4	$16.4M	Sell	2,563,489 -125,000	-5%	-$771K	0.14%	49
2017 Q3	$20.6M	Sell	2,688,489 -326,864	-11%	-$2.17M	0.17%	40
2017 Q2	$21.4M	Hold	3,015,353	–	–	0.19%	28
2017 Q1	$11.7M	Hold	3,015,353	–	–	0.1%	47
2016 Q4	$6.15M	Hold	3,015,353	–	–	0.06%	58
2016 Q3	$8.08M	Hold	3,015,353	–	–	0.07%	59
2016 Q2	$9.29M	Sell	3,015,353 -1,437,092	-32%	-$9.01M	0.1%	56
2016 Q1	$37.9M	Hold	4,452,445	–	–	0.4%	27
2015 Q4	$60.4M	Buy	4,452,445 +904,405	+25%	+$11.1M	0.5%	24
2015 Q3	$34.1M	Buy	3,548,040 +1,227,616	+53%	+$17.9M	0.31%	26
2015 Q2	$33.4M	Buy	2,320,424 +1,320,928	+132%	+$14.5M	0.29%	34
2015 Q1	$8.95M	Buy	+999,496	New	+$7.24M	0.07%	61

Other funds holding IMGN

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Janus Henderson Group London, United Kingdom $209B AUM 37.72% 1-Year Est. Return

Redmile Group San Francisco, California $1.51B AUM 164.17% 1-Year Est. Return

RCM

RA Capital Management Boston, Massachusetts $9.44B AUM 157.3% 1-Year Est. Return

Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

D.E. Shaw & Co New York $166B AUM 43.98% 1-Year Est. Return

FFM

Fairmount Funds Management West Conshohocken, Pennsylvania $1.38B AUM 407.79% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

Baker Bros. Advisors's IMGN Position: Q3 2023 in Review

Baker Bros. Advisors sold out of Immunogen Inc (IMGN) in Q3 2023, closing a stake of 1,520,097 shares — an estimated $28.7M sold.

Baker Bros. Advisors first reported a position in IMGN in Q1 2015 and held it in 13 quarters. The position peaked at $60.4M in Q4 2015. 275 funds tracked by Wall St. Rank hold IMGN as of Q3 2023.

Baker Bros. Advisors reported no remaining Immunogen Inc position as of Q3 2023 after selling out during the quarter.
Baker Bros. Advisors sold 1,520,097 Immunogen Inc shares in Q3 2023, an estimated $28.7M.
Baker Bros. Advisors first reported a position in Immunogen Inc in Q1 2015 and held it in 13 quarters.
Baker Bros. Advisors's Immunogen Inc position peaked at $60.4M in Q4 2015.
275 funds tracked by Wall St. Rank held Immunogen Inc as of Q3 2023.

Based on Baker Bros. Advisors's 13F filing for Q3 2023, filed 14 Nov 2023.