Iguana Healthcare Management’s Biogen BIIB Stock Holding History

Iguana Healthcare Management’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	$4.79M	Sell	17,500 -4,500	-20%	-$1.4M	3.15%	6
2017 Q4	$7.01M	Buy	22,000 +2,000	+10%	+$642K	4.56%	4
2017 Q3	$6.26M	Buy	20,000 +12,500	+167%	+$3.7M	3.41%	5
2017 Q2	$2.04M	Sell	7,500 -2,500	-25%	-$661K	1.15%	35
2017 Q1	$2.73M	Sell	10,000 -25,000	-71%	-$7.07M	1.35%	25
2016 Q4	$9.93M	Sell	35,000 -30,000	-46%	-$8.89M	5.93%	2
2016 Q3	$20.3M	Buy	65,000 +42,500	+189%	+$12.6M	3.63%	4
2016 Q2	$5.44M	Sell	22,500 -7,500	-25%	-$1.98M	2.21%	14
2016 Q1	$7.81M	Buy	30,000 +10,000	+50%	+$2.64M	2.86%	10
2015 Q4	$6.13M	Sell	20,000 -10,000	-33%	-$2.87M	2.02%	12
2015 Q3	$8.75M	Buy	30,000 +15,000	+100%	+$4.95M	3.44%	10
2015 Q2	$6.06M	Buy	+15,000	New	+$6.02M	1.91%	19
2015 Q1	–	Sell	-40,000	Closed	-$13.6M	–	66
2014 Q4	$13.6M	Sell	40,000 -2,500	-6%	-$809K	6.56%	1
2014 Q3	$14.1M	Buy	42,500 +4,500	+12%	+$1.48M	7.51%	1
2014 Q2	$12M	Sell	38,000 -6,000	-14%	-$1.81M	5.59%	1
2014 Q1	$13.5M	Buy	44,000 +14,000	+47%	+$4.44M	6.22%	1
2013 Q4	$8.39M	Buy	+30,000	New	+$7.76M	4.78%	4

Other funds holding BIIB

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

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

Primecap Management Pasadena, California $127B AUM 44.11% 1-Year Est. Return

ClearBridge Investments New York $115B AUM 24.78% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return

AllianceBernstein Nashville, Tennessee $309B AUM 23.92% 1-Year Est. Return

T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return

Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

Iguana Healthcare Management's BIIB Position: Q1 2018 in Review

Iguana Healthcare Management reduced its Biogen (BIIB) stake by 20% in Q1 2018, selling an estimated $1.4M and leaving 17,500 shares worth $4.79M. The position accounts for 3.15% of the portfolio, ranked #6.

Iguana Healthcare Management first reported a position in BIIB in Q4 2013 and has held it in 17 quarters since. The position peaked at $20.3M in Q3 2016. 1,101 funds tracked by Wall St. Rank hold BIIB as of Q1 2018.

Iguana Healthcare Management held 17,500 shares of Biogen worth $4.79M as of Q1 2018.
Iguana Healthcare Management sold 4,500 Biogen shares in Q1 2018, an estimated $1.4M.
Biogen made up 3.15% of Iguana Healthcare Management's portfolio in Q1 2018, its #6 holding.
Iguana Healthcare Management first reported a position in Biogen in Q4 2013 and has held it in 17 quarters since.
Iguana Healthcare Management's Biogen position peaked at $20.3M in Q3 2016.
1,101 funds tracked by Wall St. Rank held Biogen as of Q1 2018.

Based on Iguana Healthcare Management's 13F filing for Q1 2018, filed 15 May 2018.