Gilbert & Cook’s Biogen BIIB Stock Holding History

Gilbert & Cook’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 Q1	–	Sell	-786	Closed	-$237K	–	111
2018 Q4	$237K	Sell	786 -101	-11%	-$32.2K	0.08%	80
2018 Q3	$313K	Buy	+887	New	+$305K	0.1%	73
2017 Q4	–	Sell	-761	Closed	-$238K	–	90
2017 Q3	$238K	Sell	761 -484	-39%	-$143K	0.09%	73
2017 Q2	$337K	Buy	1,245 +476	+62%	+$126K	0.12%	84
2017 Q1	$210K	Buy	769 +35	+5%	+$9.9K	0.09%	72
2016 Q4	$208K	Buy	+734	New	+$218K	0.09%	74

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

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

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

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

Capital World Investors Los Angeles, California $733B AUM 35.63% 1-Year Est. Return

AQR Capital Management Greenwich, Connecticut $218B AUM 29.41% 1-Year Est. Return

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

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Gilbert & Cook's BIIB Position: Q1 2019 in Review

Gilbert & Cook sold out of Biogen (BIIB) in Q1 2019, closing a stake of 786 shares — an estimated $237K sold.

Gilbert & Cook first reported a position in BIIB in Q4 2016 and held it in 6 quarters. The position peaked at $337K in Q2 2017. 1,084 funds tracked by Wall St. Rank hold BIIB as of Q1 2019.

Gilbert & Cook reported no remaining Biogen position as of Q1 2019 after selling out during the quarter.
Gilbert & Cook sold 786 Biogen shares in Q1 2019, an estimated $237K.
Gilbert & Cook first reported a position in Biogen in Q4 2016 and held it in 6 quarters.
Gilbert & Cook's Biogen position peaked at $337K in Q2 2017.
1,084 funds tracked by Wall St. Rank held Biogen as of Q1 2019.

Based on Gilbert & Cook's 13F filing for Q1 2019, filed 10 May 2019.