City State Bank’s Biogen BIIB Stock Holding History

City State Bank’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	$69.6K	Hold	322	–	–	0.02%	320
2026 Q1	$59K	Hold	322	–	–	0.02%	328
2025 Q4	$56.7K	Sell	322 -370	-53%	-$60.4K	0.02%	329
2025 Q3	$96.9K	Hold	692	–	–	0.03%	272
2025 Q2	$86.9K	Hold	692	–	–	0.03%	281
2025 Q1	$94.7K	Hold	692	–	–	0.03%	268
2024 Q4	$106K	Sell	692 -200	-22%	-$33.7K	0.04%	246
2024 Q3	$173K	Buy	892 +160	+22%	+$33.5K	0.06%	200
2024 Q2	$170K	Sell	732 -100	-12%	-$21.7K	0.07%	196
2024 Q1	$179K	Hold	832	–	–	0.08%	191
2023 Q4	$215K	Sell	832 -118	-12%	-$29K	0.11%	164
2023 Q3	$244K	Buy	950 +5	+0.5%	+$1.34K	0.13%	147
2023 Q2	$269K	Buy	945 +30	+3%	+$8.93K	0.15%	137
2023 Q1	$254K	Sell	915 -30	-3%	-$8.3K	0.15%	143
2022 Q4	$262K	Hold	945	–	–	0.16%	138
2022 Q3	$252K	Buy	945 +170	+22%	+$36.1K	0.18%	124
2022 Q2	$158K	Buy	775 +70	+10%	+$14.3K	0.11%	162
2022 Q1	$149K	Buy	705 +195	+38%	+$42.4K	0.09%	181
2021 Q4	$122K	Buy	+510	New	+$131K	0.08%	208

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

Aberdeen Group Edinburgh, United Kingdom $71.2B AUM 41.74% 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

City State Bank's BIIB Position: Q2 2026 in Review

City State Bank held its Biogen (BIIB) position steady in Q2 2026 at 322 shares worth $69.6K. The position accounts for 0.02% of the portfolio, ranked #320.

City State Bank first reported a position in BIIB in Q4 2021 and has held it in 19 quarters since. The position peaked at $269K in Q2 2023. 405 funds tracked by Wall St. Rank hold BIIB as of Q2 2026.

City State Bank held 322 shares of Biogen worth $69.6K as of Q2 2026.
City State Bank left its Biogen share count unchanged in Q2 2026.
Biogen made up 0.02% of City State Bank's portfolio in Q2 2026, its #320 holding.
City State Bank first reported a position in Biogen in Q4 2021 and has held it in 19 quarters since.
City State Bank's Biogen position peaked at $269K in Q2 2023.
405 funds tracked by Wall St. Rank held Biogen as of Q2 2026.

Based on City State Bank's 13F filing for Q2 2026, filed 14 Jul 2026.