FMR LLC

SEC CIK: 0000315066
Latest filing: Aug 13, 2026

SEC filings (opens in a new tab)

XLRN holding history

Acceleron Pharma Inc in every 13F filed by FMR LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

XLRN overview All 13F holders of XLRN Full Q2 2026 holdings

Shares (Q4 2021): 0; Sold out in Q4 2021
Value: $0
% of portfolio: 0.0%
Quarters held: 3; Since Q1 2021

Holdings of XLRN by FMR LLC, by quarter
Quarter	Shares	Value	% of portfolio	Share change	Action	All holders
Q4 2021	0	$0	0.0%	−2,072,735−100.0%	Sold out	Holders
Q3 2021	2,072,735	$356.7M	<0.1%	−731,204−26.1%	Reduced	Holders
Q2 2021	2,803,939	$351.9M	<0.1%	−922,733−24.8%	Reduced	Holders
Q1 2021	3,726,672	$505.4M	<0.1%	–	–	Holders

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.