Maverick Capital’s Biogen BIIB Stock Holding History

Maverick Capital’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
2024 Q1	–	Sell	-1,600	Closed	-$414K	–	427
2023 Q4	$414K	Buy	+1,600	New	+$393K	0.01%	225
2023 Q3	–	Sell	-983	Closed	-$280K	–	326
2023 Q2	$280K	Buy	+983	New	+$293K	0.01%	360
2021 Q4	–	Sell	-3,112	Closed	-$881K	–	350
2021 Q3	$881K	Buy	+3,112	New	+$1.02M	0.01%	340
2020 Q4	–	Sell	-1,436	Closed	-$407K	–	680
2020 Q3	$407K	Sell	1,436 -3,065	-68%	-$855K	0.01%	436
2020 Q2	$1.2M	Buy	+4,501	New	+$1.35M	0.03%	282
2019 Q4	–	Sell	-4,919	Closed	-$1.15M	–	352
2019 Q3	$1.15M	Buy	+4,919	New	+$1.15M	0.02%	265
2017 Q3	–	Sell	-15,230	Closed	-$4.13M	–	186
2017 Q2	$4.13M	Buy	15,230 +5,620	+58%	+$1.49M	0.05%	46
2017 Q1	$2.63M	Sell	9,610 -1,270	-12%	-$359K	0.03%	90
2016 Q4	$3.08M	Buy	10,880 +500	+5%	+$148K	0.04%	77
2016 Q3	$3.25M	Sell	10,380 -630	-6%	-$187K	0.04%	47
2016 Q2	$2.66M	Buy	11,010 +1,640	+18%	+$432K	0.04%	76
2016 Q1	$2.44M	Buy	+9,370	New	+$2.48M	0.04%	56

Other funds holding BIIB

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

Primecap Management

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

BlackRock New York $5.7T AUM 30.48% 1-Year Est. Return

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

T. Rowe Price Investment Management

T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return

Wellington Management Group

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

JP Morgan Chase

JP Morgan Chase New York $1.47T AUM 27.86% 1-Year Est. Return

Geode Capital Management

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

VanEck Associates

VanEck Associates New York $133B AUM 72.99% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return