Rock Springs Capital Management’s Momenta Pharmaceuticals, Inc. MNTA Stock Holding History

Rock Springs Capital Management’s Portfolio MNTA Stock Details MNTA Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2020 Q4	–	Sell	-400,000	Closed	-$21M	–	168
2020 Q3	$21M	Hold	400,000	–	–	0.53%	61
2020 Q2	$13.3M	Hold	400,000	–	–	0.37%	88
2020 Q1	$10.9M	Hold	400,000	–	–	0.45%	71
2019 Q4	$7.89M	Hold	400,000	–	–	0.25%	93
2019 Q3	$5.18M	Hold	400,000	–	–	0.21%	101
2019 Q2	$4.98M	Hold	400,000	–	–	0.18%	106
2019 Q1	$5.81M	Hold	400,000	–	–	0.22%	103
2018 Q4	$4.42M	Sell	400,000 -75,000	-16%	-$1.04M	0.21%	102
2018 Q3	$12.5M	Buy	475,000 +22,500	+5%	+$608K	0.45%	72
2018 Q2	$9.25M	Buy	452,500 +107,500	+31%	+$2.31M	0.36%	91
2018 Q1	$6.26M	Buy	+345,000	New	+$5.75M	0.27%	106

Rock Springs Capital Management's MNTA Position: Q4 2020 in Review

Rock Springs Capital Management sold out of Momenta Pharmaceuticals, Inc. (MNTA) in Q4 2020, closing a stake of 400,000 shares — an estimated $21M sold.

Rock Springs Capital Management first reported a position in MNTA in Q1 2018 and held it in 11 quarters. The position peaked at $21M in Q3 2020. 0 funds tracked by Wall St. Rank hold MNTA as of Q4 2020.

Rock Springs Capital Management reported no remaining Momenta Pharmaceuticals, Inc. position as of Q4 2020 after selling out during the quarter.
Rock Springs Capital Management sold 400,000 Momenta Pharmaceuticals, Inc. shares in Q4 2020, an estimated $21M.
Rock Springs Capital Management first reported a position in Momenta Pharmaceuticals, Inc. in Q1 2018 and held it in 11 quarters.
Rock Springs Capital Management's Momenta Pharmaceuticals, Inc. position peaked at $21M in Q3 2020.
0 funds tracked by Wall St. Rank held Momenta Pharmaceuticals, Inc. as of Q4 2020.

Based on Rock Springs Capital Management's 13F filing for Q4 2020, filed 16 Feb 2021.