Morningstar Investment Management’s Biogen BIIB Stock Holding History

Morningstar Investment 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	$3.55M	Hold	19,344	–	–	0.22%	113
2026 Q1	$3.55M	Buy	19,344 +565	+3%	+$104K	0.22%	113
2025 Q4	$3.31M	Hold	18,779	–	–	0.2%	116
2025 Q3	$2.63M	Buy	+18,779	New	+$2.54M	0.1%	217
2024 Q3	–	Sell	-1,865	Closed	-$432K	–	218
2024 Q2	$432K	Hold	1,865	–	–	0.05%	132
2024 Q1	$402K	Hold	1,865	–	–	0.04%	136
2023 Q4	$483K	Sell	1,865 -10	-0.5%	-$2.46K	0.06%	126
2023 Q3	$482K	Hold	1,875	–	–	0.07%	99
2023 Q2	$534K	Buy	+1,875	New	+$558K	0.07%	97

Other funds holding BIIB

Pictet Asset Management Carouge, Switzerland $105B AUM 38.07% 1-Year Est. Return

Robeco Institutional Asset Management Rotterdam, Netherlands $81.4B AUM 40.71% 1-Year Est. Return

AIM

Artemis Investment Management Edinburgh, United Kingdom $11.2B AUM 80.72% 1-Year Est. Return

Sumitomo Mitsui Trust Group Minato-Ku, Tokyo, Japan $175B AUM 40.63% 1-Year Est. Return

Swedbank Stockholm, Sweden $116B AUM 46.87% 1-Year Est. Return

AAMU

AEGON Asset Management (UK) Edinburgh, United Kingdom $9.38B AUM 48.94% 1-Year Est. Return

New York State Teachers Retirement System (NYSTRS) Albany, New York $54.2B AUM 43.77% 1-Year Est. Return

ECSS

Eurizon Capital SGR SpA Milan $37.3B AUM

ADEF

Adams Diversified Equity Fund Baltimore, Maryland $3.27B AUM 45.57% 1-Year Est. Return

New York State Common Retirement Fund Albany, New York $79.3B AUM 43.63% 1-Year Est. Return

Morningstar Investment Management's BIIB Position: Q2 2026 in Review

Morningstar Investment Management held its Biogen (BIIB) position steady in Q2 2026 at 19,344 shares worth $3.55M. The position accounts for 0.22% of the portfolio, ranked #113.

Morningstar Investment Management first reported a position in BIIB in Q2 2023 and has held it in 9 quarters since. 375 funds tracked by Wall St. Rank hold BIIB as of Q2 2026.

Morningstar Investment Management held 19,344 shares of Biogen worth $3.55M as of Q2 2026.
Morningstar Investment Management left its Biogen share count unchanged in Q2 2026.
Biogen made up 0.22% of Morningstar Investment Management's portfolio in Q2 2026, its #113 holding.
Morningstar Investment Management first reported a position in Biogen in Q2 2023 and has held it in 9 quarters since.
375 funds tracked by Wall St. Rank held Biogen as of Q2 2026.

Based on Morningstar Investment Management's 13F filing for Q2 2026, filed 21 Jul 2026.