Principia Wealth Advisory’s Biogen BIIB Stock Holding History

Principia Wealth Advisory’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	$40.8K	Buy	189 +3	+2%	+$574	0.02%	141
2026 Q1	$34.1K	Buy	186 +1	+0.5%	+$184	0.02%	136
2025 Q4	$32.6K	Hold	185	–	–	0.02%	137
2025 Q3	$25.9K	Buy	185 +2	+1%	+$270	0.02%	153
2025 Q2	$23K	Buy	183 +13	+8%	+$1.62K	0.02%	133
2025 Q1	$20.5K	Buy	170 +1	+0.6%	+$143	0.02%	109
2024 Q4	$25.8K	Buy	+169	New	+$28.5K	0.02%	104

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

Principia Wealth Advisory's BIIB Position: Q2 2026 in Review

Principia Wealth Advisory increased its Biogen (BIIB) stake by 1.6% in Q2 2026, buying an estimated $574 and bringing the position to 189 shares worth $40.8K. The position accounts for 0.02% of the portfolio, ranked #141.

Principia Wealth Advisory first reported a position in BIIB in Q4 2024 and has held it in 7 quarters since. 1,041 funds tracked by Wall St. Rank hold BIIB as of Q2 2026.

Principia Wealth Advisory held 189 shares of Biogen worth $40.8K as of Q2 2026.
Principia Wealth Advisory bought 3 Biogen shares in Q2 2026, an estimated $574.
Biogen made up 0.02% of Principia Wealth Advisory's portfolio in Q2 2026, its #141 holding.
Principia Wealth Advisory first reported a position in Biogen in Q4 2024 and has held it in 7 quarters since.
1,041 funds tracked by Wall St. Rank held Biogen as of Q2 2026.

Based on Principia Wealth Advisory's 13F filing for Q2 2026, filed 26 Aug 2026.