Question 1

How many shares of XLRN does Magnetar Financial LLC own?

Accepted Answer

Magnetar Financial LLC previously held 0 shares of XLRN (ACCELERON PHARMA INC) before exiting the position in 2021-Q4.

Question 2

What is Magnetar Financial LLC's XLRN position worth?

Accepted Answer

Magnetar Financial LLC's XLRN position was last reported at $0 in 2021-Q4 before the exit.

Question 3

Is Magnetar Financial LLC buying or selling XLRN?

Accepted Answer

In 2021-Q4, Magnetar Financial LLC exited their XLRN position entirely (-100.0% change in shares).

Question 4

When did Magnetar Financial LLC first buy XLRN?

Accepted Answer

Based on available 13F filings, Magnetar Financial LLC first reported a position in XLRN in 2020-Q2. They have held the position across 4 quarters.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2021-Q4 Latest	Exited	0	-100.0%	$0	0.0%	—	0
2021-Q3	New	831,663	-	$143.1M	1.5%	—	69
2020-Q3	Exited	0	-100.0%	$0	0.0%	—	0
2020-Q2	New	2,444	-	$233,000	0.0%	—	32

XLRN4 quarters

XLRN
4 quarters