Rock Creek Group’s Biogen BIIB Stock Holding History

Rock Creek 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
2023 Q4	–	Sell	-20	Closed	-$5.14K	–	78
2023 Q3	$5.14K	Buy	20 +12	+150%	+$3.21K	﹤0.01%	184
2023 Q2	$2.28K	Buy	+8	New	+$2.38K	﹤0.01%	172
2022 Q4	–	Sell	-10	Closed	-$3K	–	164
2022 Q3	$3K	Sell	10 -16	-62%	-$3.4K	﹤0.01%	165
2022 Q2	$5K	Hold	26	–	–	﹤0.01%	156
2022 Q1	$5K	Buy	+26	New	+$5.65K	﹤0.01%	169
2021 Q3	–	Sell	-3	Closed	-$1K	–	179
2021 Q2	$1K	Sell	3 -7	-70%	-$2.12K	﹤0.01%	182
2021 Q1	$3K	Buy	+10	New	+$2.7K	﹤0.01%	213
2020 Q4	–	Sell	-489	Closed	-$139K	–	174
2020 Q3	$139K	Sell	489 -285	-37%	-$79.5K	0.07%	149
2020 Q2	$207K	Buy	774 +24	+3%	+$7.21K	0.11%	134
2020 Q1	$237K	Buy	+750	New	+$228K	0.13%	88
2019 Q3	–	Sell	-1,283	Closed	-$300K	–	113
2019 Q2	$300K	Sell	1,283 -113	-8%	-$26.1K	0.14%	97
2019 Q1	$330K	Sell	1,396 -377	-21%	-$119K	0.15%	72
2018 Q4	$534K	Buy	1,773 +840	+90%	+$268K	0.23%	68
2018 Q3	$330K	Buy	+933	New	+$321K	0.14%	80

Other funds holding BIIB

Primecap Management

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

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

BlackRock New York $5.72T 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 $1.56T AUM 27.86% 1-Year Est. Return

Geode Capital Management

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

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

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