Ellington Management Group’s Biogen BIIB Stock Holding History

Ellington Management Group’s Portfolio BIIB Stock Details BIIB Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2019 Q4	–	Sell	-1,500	Closed	-$349K	–	524
2019 Q3	$349K	Sell	1,500 -2,300	-61%	-$536K	0.06%	324
2019 Q2	$889K	Buy	+3,800	New	+$877K	0.15%	149
2019 Q1	–	Sell	-1,200	Closed	-$361K	–	562
2018 Q4	$361K	Buy	+1,200	New	+$383K	0.11%	199
2018 Q3	–	Sell	-700	Closed	-$203K	–	514
2018 Q2	$203K	Sell	700 -1,000	-59%	-$281K	0.01%	410
2018 Q1	$465K	Buy	+1,700	New	+$528K	0.03%	432
2017 Q3	–	Sell	-3,000	Closed	-$814K	–	642
2017 Q2	$814K	Buy	3,000 +800	+36%	+$212K	0.12%	123
2017 Q1	$602K	Hold	2,200	–	–	0.02%	259
2016 Q4	$624K	Buy	+2,200	New	+$652K	0.1%	172
2014 Q4	–	Sell	-1,300	Closed	-$430K	–	563
2014 Q3	$430K	Buy	+1,300	New	+$429K	0.3%	70
2013 Q3	–	Sell	-1,400	Closed	-$301K	–	766
2013 Q2	$301K	Buy	+1,400	New	+$299K	0.06%	511

Other funds holding BIIB

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Primecap Management Pasadena, California $169B AUM 114.72% 1-Year Est. Return

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

ClearBridge Investments New York $121B AUM 27.52% 1-Year Est. Return

Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return

Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return

Northern Trust Chicago, Illinois $860B AUM 41.15% 1-Year Est. Return

Ellington Management Group's BIIB Position: Q4 2019 in Review

Ellington Management Group sold out of Biogen (BIIB) in Q4 2019, closing a stake of 1,500 shares — an estimated $349K sold.

Ellington Management Group first reported a position in BIIB in Q2 2013 and held it in 10 quarters. The position peaked at $889K in Q2 2019. 1,103 funds tracked by Wall St. Rank hold BIIB as of Q4 2019.

Ellington Management Group reported no remaining Biogen position as of Q4 2019 after selling out during the quarter.
Ellington Management Group sold 1,500 Biogen shares in Q4 2019, an estimated $349K.
Ellington Management Group first reported a position in Biogen in Q2 2013 and held it in 10 quarters.
Ellington Management Group's Biogen position peaked at $889K in Q2 2019.
1,103 funds tracked by Wall St. Rank held Biogen as of Q4 2019.

Based on Ellington Management Group's 13F filing for Q4 2019, filed 14 Feb 2020.