Sabby Management’s Biogen BIIB Stock Holding History

Sabby 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
2021 Q3	–	Sell	-4,000	Closed	-$1.39M	–	185
2021 Q2	$1.39M	Buy	+4,000	New	+$1.21M	0.2%	73
2021 Q1	–	Sell	-116,970	Closed	-$31.5M	–	165
2020 Q4	$28.6M	Buy	116,970 +72,434	+163%	+$18.7M	5.49%	7
2020 Q3	$12.6M	Sell	44,536 -59,366	-57%	-$16.6M	1.89%	13
2020 Q2	$27.8M	Buy	+103,902	New	+$31.2M	5.58%	6
2019 Q2	–	Sell	-7,000	Closed	-$1.62M	–	90
2019 Q1	$1.66M	Sell	7,000 -118,975	-94%	-$37.5M	0.8%	17
2018 Q4	$37.9M	Buy	125,975 +90,441	+255%	+$28.9M	8.34%	5
2018 Q3	$12.6M	Sell	35,534 -116,568	-77%	-$40.1M	1.61%	17
2018 Q2	$44.1M	Sell	152,102 -30,796	-17%	-$8.66M	6.82%	5
2018 Q1	$50.1M	Buy	+182,898	New	+$56.8M	5.96%	3
2017 Q1	–	Sell	-20,000	Closed	-$5.67M	–	270
2016 Q4	$5.67M	Buy	+20,000	New	+$5.93M	0.33%	46
2016 Q3	–	Sell	-10,000	Closed	-$2.96M	–	314
2016 Q2	$2.42M	Sell	10,000 -27,077	-73%	-$7.14M	0.13%	96
2016 Q1	$9.65M	Buy	+37,077	New	+$9.79M	0.48%	25
2015 Q4	–	Sell	-78,629	Closed	-$22.6M	–	328
2015 Q3	$22.9M	Buy	+78,629	New	+$26M	0.95%	19

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

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

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

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

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

T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return

Northern Trust Chicago, Illinois $757B AUM 28.64% 1-Year Est. Return

Sabby Management's BIIB Position: Q3 2021 in Review

Sabby Management sold out of Biogen (BIIB) in Q3 2021, closing a stake of 4,000 shares — an estimated $1.39M sold.

Sabby Management first reported a position in BIIB in Q3 2015 and held it in 13 quarters. The position peaked at $50.1M in Q1 2018. 1,040 funds tracked by Wall St. Rank hold BIIB as of Q3 2021.

Sabby Management reported no remaining Biogen position as of Q3 2021 after selling out during the quarter.
Sabby Management sold 4,000 Biogen shares in Q3 2021, an estimated $1.39M.
Sabby Management first reported a position in Biogen in Q3 2015 and held it in 13 quarters.
Sabby Management's Biogen position peaked at $50.1M in Q1 2018.
1,040 funds tracked by Wall St. Rank held Biogen as of Q3 2021.

Based on Sabby Management's 13F filing for Q3 2021, filed 15 Nov 2021.