William Blair & Company’s Acceleron Pharma XLRN Stock Holding History

William Blair & Company’s Portfolio XLRN Stock Details XLRN Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2021 Q4	–	Sell	-1,323	Closed	-$228K	–	2044
2021 Q3	$228K	Buy	+1,323	New	+$173K	﹤0.01%	1436
2021 Q2	–	Sell	-1,735	Closed	-$235K	–	1952
2021 Q1	$235K	Hold	1,735	–	–	﹤0.01%	1422
2020 Q4	$222K	Buy	+1,735	New	+$203K	﹤0.01%	1392

William Blair & Company's XLRN Position: Q4 2021 in Review

William Blair & Company sold out of Acceleron Pharma (XLRN) in Q4 2021, closing a stake of 1,323 shares — an estimated $228K sold.

William Blair & Company first reported a position in XLRN in Q4 2020 and held it in 3 quarters. The position peaked at $235K in Q1 2021. 1 fund tracked by Wall St. Rank holds XLRN as of Q4 2021.

William Blair & Company reported no remaining Acceleron Pharma position as of Q4 2021 after selling out during the quarter.
William Blair & Company sold 1,323 Acceleron Pharma shares in Q4 2021, an estimated $228K.
William Blair & Company first reported a position in Acceleron Pharma in Q4 2020 and held it in 3 quarters.
William Blair & Company's Acceleron Pharma position peaked at $235K in Q1 2021.
1 fund tracked by Wall St. Rank held Acceleron Pharma as of Q4 2021.

Based on William Blair & Company's 13F filing for Q4 2021, filed 14 Feb 2022.