Pura Vida Investments’s Biogen BIIB Stock Holding History

Pura Vida Investments’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 Q1	–	Sell	-62,720	Closed	-$17.4M	–	95
2022 Q4	$17.4M	Buy	62,720 +57,720	+1,154%	+$16.3M	0.9%	27
2022 Q3	$1.33M	Sell	5,000 -96,711	-95%	-$20.5M	0.08%	151
2022 Q2	$20.7M	Sell	101,711 -45,424	-31%	-$9.29M	1.2%	18
2022 Q1	$31M	Buy	+147,135	New	+$32M	1%	21
2016 Q2	–	Sell	-7,500	Closed	-$1.95M	–	81
2016 Q1	$1.95M	Buy	+7,500	New	+$1.98M	0.89%	42
2015 Q3	–	Sell	-9,250	Closed	-$2.95M	–	69
2015 Q2	$2.95M	Buy	+9,250	New	+$3.71M	1.51%	31

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

JP Morgan Chase New York $1.56T AUM 27.86% 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

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

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

Pura Vida Investments's BIIB Position: Q1 2023 in Review

Pura Vida Investments sold out of Biogen (BIIB) in Q1 2023, closing a stake of 62,720 shares — an estimated $17.4M sold.

Pura Vida Investments first reported a position in BIIB in Q2 2015 and held it in 6 quarters. The position peaked at $31M in Q1 2022. 1,001 funds tracked by Wall St. Rank hold BIIB as of Q1 2023.

Pura Vida Investments reported no remaining Biogen position as of Q1 2023 after selling out during the quarter.
Pura Vida Investments sold 62,720 Biogen shares in Q1 2023, an estimated $17.4M.
Pura Vida Investments first reported a position in Biogen in Q2 2015 and held it in 6 quarters.
Pura Vida Investments's Biogen position peaked at $31M in Q1 2022.
1,001 funds tracked by Wall St. Rank held Biogen as of Q1 2023.

Based on Pura Vida Investments's 13F filing for Q1 2023, filed 15 May 2023.