Proficio Capital Partners’s Biogen BIIB Stock Holding History

Proficio Capital Partners’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
2026 Q2	$584K	Buy	+2,701	New	+$517K	0.02%	297
2019 Q4	–	Sell	-5,325	Closed	-$1.24M	–	132
2019 Q3	$1.24M	Hold	5,325	–	–	0.46%	47
2019 Q2	$1.25M	Sell	5,325 -104	-2%	-$24K	0.43%	48
2019 Q1	$1.28M	Buy	5,429 +220	+4%	+$69.3K	0.46%	46
2018 Q4	$1.57M	Sell	5,209 -4	-0.1%	-$1.28K	0.7%	32
2018 Q3	$1.84M	Buy	5,213 +3	+0.1%	+$1.03K	0.61%	30
2018 Q2	$1.51M	Buy	5,210 +7	+0.1%	+$1.97K	0.62%	35
2018 Q1	$1.43M	Sell	5,203 -22	-0.4%	-$6.83K	0.42%	41
2017 Q4	$1.67M	Buy	5,225 +1,006	+24%	+$323K	0.54%	38
2017 Q3	$1.32M	Buy	4,219 +1,669	+65%	+$494K	0.53%	39
2017 Q2	$734K	Sell	2,550 -9	-0.4%	-$2.38K	0.3%	68
2017 Q1	$648K	Buy	2,559 +89	+4%	+$25.2K	0.28%	78
2016 Q4	$700K	Buy	2,470 +22	+0.9%	+$6.52K	0.3%	76
2016 Q3	$766K	Buy	2,448 +20	+0.8%	+$5.92K	0.44%	67
2016 Q2	$702K	Buy	2,428 +40	+2%	+$10.5K	0.44%	66
2016 Q1	$622K	Sell	2,388 -6	-0.3%	-$1.58K	0.52%	55
2015 Q4	$733K	Buy	+2,394	New	+$688K	0.72%	43

Other funds holding BIIB

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

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

Primecap Management Pasadena, California $169B AUM 114.72% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

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

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

Norges Bank Oslo, Norway $1T AUM

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Proficio Capital Partners's BIIB Position: Q2 2026 in Review

Proficio Capital Partners opened a new position in Biogen (BIIB) in Q2 2026: 2,701 shares worth $584K. The stake represents 0.02% of the portfolio and ranks #297 among its holdings. This is a return to the name: Proficio Capital Partners previously reported a position in BIIB as recently as Q3 2019.

Proficio Capital Partners first reported a position in BIIB in Q4 2015 and has held it in 17 quarters since. The position peaked at $1.84M in Q3 2018. 1,045 funds tracked by Wall St. Rank hold BIIB as of Q2 2026.

Proficio Capital Partners held 2,701 shares of Biogen worth $584K as of Q2 2026.
Biogen was a new Proficio Capital Partners position in Q2 2026.
Biogen made up 0.02% of Proficio Capital Partners's portfolio in Q2 2026, its #297 holding.
Proficio Capital Partners first reported a position in Biogen in Q4 2015 and has held it in 17 quarters since.
Proficio Capital Partners's Biogen position peaked at $1.84M in Q3 2018.
1,045 funds tracked by Wall St. Rank held Biogen as of Q2 2026.

Based on Proficio Capital Partners's 13F filing for Q2 2026, filed 17 Aug 2026.