Eventide Asset Management’s Acceleron Pharma Inc. XLRN Stock Holding History

Quarter	Market Value	Status	Shares	Shares Change %	Trade Value	Portfolio Weight	Portfolio Position
2021 Q2	–	Sell	-142,900	Closed	-$19.4M	–	167
2021 Q1	$19.4M	Hold	142,900	–	–	0.29%	94
2020 Q4	$18.3M	Hold	142,900	–	–	0.28%	91
2020 Q3	$16.1M	Hold	142,900	–	–	0.31%	87
2020 Q2	$13.6M	Hold	142,900	–	–	0.3%	84
2020 Q1	$12.8M	Buy	+142,900	New	+$12.8M	0.42%	70
2019 Q2	–	Sell	-128,900	Closed	-$6M	–	137
2019 Q1	$6M	Hold	128,900	–	–	0.21%	88
2018 Q4	$5.61M	Hold	128,900	–	–	0.25%	86
2018 Q3	$7.38M	Sell	128,900 -401,000	-76%	-$22.9M	0.27%	88
2018 Q2	$25.7M	Hold	529,900	–	–	1.07%	38
2018 Q1	$20.7M	Sell	529,900 -124,000	-19%	-$4.85M	0.97%	38
2017 Q4	$27.8M	Hold	653,900	–	–	1.45%	28
2017 Q3	$24.4M	Hold	653,900	–	–	1.38%	29
2017 Q2	$19.9M	Hold	653,900	–	–	1.24%	36
2017 Q1	$17.3M	Buy	653,900 +225,000	+52%	+$5.96M	1.15%	39
2016 Q4	$10.9M	Hold	428,900	–	–	0.71%	49
2016 Q3	$15.5M	Hold	428,900	–	–	0.95%	39
2016 Q2	$14.6M	Buy	428,900 +5,400	+1%	+$183K	0.89%	43
2016 Q1	$11.2M	Buy	423,500 +300,000	+243%	+$7.92M	0.62%	54
2015 Q4	$6.02M	Buy	123,500 +36,400	+42%	+$1.77M	0.3%	79
2015 Q3	$2.17M	Hold	87,100	–	–	0.13%	98
2015 Q2	$2.76M	Hold	87,100	–	–	0.15%	91
2015 Q1	$3.32M	Buy	87,100 +25,000	+40%	+$951K	0.25%	82
2014 Q4	$2.42M	Hold	62,100	–	–	0.26%	75
2014 Q3	$1.88M	Hold	62,100	–	–	0.26%	74
2014 Q2	$2.11M	Buy	+62,100	New	+$2.11M	0.29%	73