GAMCO Investors’s Biogen BIIB Stock Holding History

GAMCO Investors’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
2018 Q1	–	Sell	-1,650	Closed	-$526K	–	837
2017 Q4	$526K	Sell	1,650 -25	-1%	-$8.02K	﹤0.01%	675
2017 Q3	$524K	Sell	1,675 -75	-4%	-$22.2K	﹤0.01%	678
2017 Q2	$475K	Sell	1,750 -22	-1%	-$5.82K	﹤0.01%	697
2017 Q1	$485K	Sell	1,772 -100	-5%	-$28.3K	﹤0.01%	686
2016 Q4	$531K	Sell	1,872 -25	-1%	-$7.41K	﹤0.01%	667
2016 Q3	$594K	Sell	1,897 -2,900	-60%	-$859K	﹤0.01%	648
2016 Q2	$1.16M	Sell	4,797 -13	-0.3%	-$3.43K	0.01%	577
2016 Q1	$1.25M	Buy	4,810 +5	+0.1%	+$1.32K	0.01%	562
2015 Q4	$1.47M	Buy	4,805 +8	+0.2%	+$2.3K	0.01%	539
2015 Q3	$1.4M	Hold	4,797	–	–	0.01%	561
2015 Q2	$1.94M	Sell	4,797 -135	-3%	-$54.2K	0.01%	534
2015 Q1	$2.08M	Sell	4,932 -3	-0.1%	-$1.18K	0.01%	533
2014 Q4	$1.68M	Buy	4,935 +300	+6%	+$97.1K	0.01%	561
2014 Q3	$1.53M	Buy	4,635 +460	+11%	+$152K	0.01%	590
2014 Q2	$1.32M	Buy	4,175 +590	+16%	+$178K	0.01%	606
2014 Q1	$1.1M	Sell	3,585 -125	-3%	-$39.7K	0.01%	606
2013 Q4	$1.04M	Buy	3,710 +400	+12%	+$103K	0.01%	609
2013 Q3	$797K	Buy	3,310 +1,490	+82%	+$333K	﹤0.01%	643
2013 Q2	$392K	Buy	+1,820	New	+$389K	﹤0.01%	695

Other funds holding BIIB

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

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

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

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

State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

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

AllianceBernstein Nashville, Tennessee $302B AUM 26.44% 1-Year Est. Return

T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return

Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

GAMCO Investors's BIIB Position: Q1 2018 in Review

GAMCO Investors sold out of Biogen (BIIB) in Q1 2018, closing a stake of 1,650 shares — an estimated $526K sold.

GAMCO Investors first reported a position in BIIB in Q2 2013 and held it in 19 quarters. The position peaked at $2.08M in Q1 2015. 1,103 funds tracked by Wall St. Rank hold BIIB as of Q1 2018.

GAMCO Investors reported no remaining Biogen position as of Q1 2018 after selling out during the quarter.
GAMCO Investors sold 1,650 Biogen shares in Q1 2018, an estimated $526K.
GAMCO Investors first reported a position in Biogen in Q2 2013 and held it in 19 quarters.
GAMCO Investors's Biogen position peaked at $2.08M in Q1 2015.
1,103 funds tracked by Wall St. Rank held Biogen as of Q1 2018.

Based on GAMCO Investors's 13F filing for Q1 2018, filed 9 May 2018.