Platinum Investment Management’s Biogen BIIB Stock Holding History

Platinum Investment 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
2024 Q2	–	Sell	-2,140	Closed	-$461K	–	137
2024 Q1	$461K	Sell	2,140 -21,880	-91%	-$5.12M	0.02%	96
2023 Q4	$6.22M	Sell	24,020 -24	-0.1%	-$5.89K	0.25%	53
2023 Q3	$6.18M	Hold	24,044	–	–	0.24%	47
2023 Q2	$6.85M	Buy	24,044 +3,533	+17%	+$1.05M	0.24%	49
2023 Q1	$5.7M	Sell	20,511 -2,633	-11%	-$729K	0.2%	52
2022 Q4	$6.41M	Buy	+23,144	New	+$6.54M	0.24%	46
2017 Q2	–	Sell	-4,000	Closed	-$1.09M	–	74
2017 Q1	$1.09M	Hold	4,000	–	–	0.03%	64
2016 Q4	$1.13M	Hold	4,000	–	–	0.03%	59
2016 Q3	$1.25M	Hold	4,000	–	–	0.03%	64
2016 Q2	$967K	Hold	4,000	–	–	0.02%	66
2016 Q1	$1.04M	Sell	4,000 -2,500	-38%	-$660K	0.02%	69
2015 Q4	$1.99M	Hold	6,500	–	–	0.04%	51
2015 Q3	$1.9M	Buy	+6,500	New	+$2.15M	0.05%	51

Other funds holding BIIB

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

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

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

T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return

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

JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Norges Bank Oslo, Norway $1T AUM

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

Platinum Investment Management's BIIB Position: Q2 2024 in Review

Platinum Investment Management sold out of Biogen (BIIB) in Q2 2024, closing a stake of 2,140 shares — an estimated $461K sold.

Platinum Investment Management first reported a position in BIIB in Q3 2015 and held it in 13 quarters. The position peaked at $6.85M in Q2 2023. 944 funds tracked by Wall St. Rank hold BIIB as of Q2 2024.

Platinum Investment Management reported no remaining Biogen position as of Q2 2024 after selling out during the quarter.
Platinum Investment Management sold 2,140 Biogen shares in Q2 2024, an estimated $461K.
Platinum Investment Management first reported a position in Biogen in Q3 2015 and held it in 13 quarters.
Platinum Investment Management's Biogen position peaked at $6.85M in Q2 2023.
944 funds tracked by Wall St. Rank held Biogen as of Q2 2024.

Based on Platinum Investment Management's 13F filing for Q2 2024, filed 13 Aug 2024.