Sirios Capital Management’s Biogen BIIB Stock Holding History

Sirios Capital 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
2022 Q4	–	Sell	-9,809	Closed	-$2.62M	–	57
2022 Q3	$2.62M	Buy	+9,809	New	+$2.08M	0.49%	37
2018 Q4	–	Sell	-3,760	Closed	-$1.33M	–	51
2018 Q3	$1.33M	Buy	3,760 +1,357	+56%	+$467K	0.07%	55
2018 Q2	$697K	Sell	2,403 -1,376	-36%	-$387K	0.04%	54
2018 Q1	$1.03M	Buy	+3,779	New	+$1.17M	0.05%	53
2016 Q4	–	Sell	-21,726	Closed	-$6.8M	–	38
2016 Q3	$6.8M	Sell	21,726 -6,170	-22%	-$1.83M	0.38%	36
2016 Q2	$6.75M	Buy	27,896 +7,967	+40%	+$2.1M	0.32%	40
2016 Q1	$5.19M	Buy	+19,929	New	+$5.26M	0.2%	49

Other funds holding BIIB

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

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

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

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

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

JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return

Deutsche Bank Frankfurt Am Main Ge, Germany $303B AUM 30.15% 1-Year Est. Return

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

D.E. Shaw & Co New York $166B AUM 43.98% 1-Year Est. Return

Sirios Capital Management's BIIB Position: Q4 2022 in Review

Sirios Capital Management sold out of Biogen (BIIB) in Q4 2022, closing a stake of 9,809 shares — an estimated $2.62M sold.

Sirios Capital Management first reported a position in BIIB in Q1 2016 and held it in 7 quarters. The position peaked at $6.8M in Q3 2016. 1,031 funds tracked by Wall St. Rank hold BIIB as of Q4 2022.

Sirios Capital Management reported no remaining Biogen position as of Q4 2022 after selling out during the quarter.
Sirios Capital Management sold 9,809 Biogen shares in Q4 2022, an estimated $2.62M.
Sirios Capital Management first reported a position in Biogen in Q1 2016 and held it in 7 quarters.
Sirios Capital Management's Biogen position peaked at $6.8M in Q3 2016.
1,031 funds tracked by Wall St. Rank held Biogen as of Q4 2022.

Based on Sirios Capital Management's 13F filing for Q4 2022, filed 14 Feb 2023.