Bay Harbor Wealth Management’s Biogen BIIB Stock Holding History

Bay Harbor Wealth 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
2026 Q2	$5.83K	Buy	27 +6	+29%	+$1.15K	﹤0.01%	390
2026 Q1	$3.85K	Buy	21 +8	+62%	+$1.47K	﹤0.01%	390
2025 Q4	$2.29K	Buy	13 +11	+550%	+$1.8K	﹤0.01%	449
2025 Q3	$280	Buy	2 +1	+100%	+$135	﹤0.01%	936
2025 Q2	$125	Buy	+1	New	+$125	﹤0.01%	1060
2020 Q1	–	Sell	-10	Closed	-$3K	–	342
2019 Q4	$3K	Hold	10	–	–	﹤0.01%	262
2019 Q3	$2K	Hold	10	–	–	﹤0.01%	297
2019 Q2	$2K	Hold	10	–	–	﹤0.01%	292
2019 Q1	$2K	Hold	10	–	–	﹤0.01%	331
2018 Q4	$3K	Buy	+10	New	+$3.19K	﹤0.01%	301

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

Bay Harbor Wealth Management's BIIB Position: Q2 2026 in Review

Bay Harbor Wealth Management increased its Biogen (BIIB) stake by 29% in Q2 2026, buying an estimated $1.15K and bringing the position to 27 shares worth $5.83K. The position accounts for ﹤0.01% of the portfolio, ranked #390.

Bay Harbor Wealth Management first reported a position in BIIB in Q4 2018 and has held it in 10 quarters since. 1,036 funds tracked by Wall St. Rank hold BIIB as of Q2 2026.

Bay Harbor Wealth Management held 27 shares of Biogen worth $5.83K as of Q2 2026.
Bay Harbor Wealth Management bought 6 Biogen shares in Q2 2026, an estimated $1.15K.
Biogen made up ﹤0.01% of Bay Harbor Wealth Management's portfolio in Q2 2026, its #390 holding.
Bay Harbor Wealth Management first reported a position in Biogen in Q4 2018 and has held it in 10 quarters since.
1,036 funds tracked by Wall St. Rank held Biogen as of Q2 2026.

Based on Bay Harbor Wealth Management's 13F filing for Q2 2026, filed 28 Jul 2026.