First County Bank’s Biogen BIIB Stock Holding History

First County 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	$850K	Sell	3,933 -233	-6%	-$44.6K	0.4%	71
2026 Q1	$764K	Sell	4,166 -246	-6%	-$45.3K	0.41%	70
2025 Q4	$776K	Sell	4,412 -65	-1%	-$10.6K	0.41%	71
2025 Q3	$627K	Hold	4,477	–	–	0.32%	86
2025 Q2	$562K	Sell	4,477 -295	-6%	-$36.8K	0.3%	93
2025 Q1	$653K	Buy	+4,772	New	+$682K	0.36%	87

Other funds holding BIIB

Robeco Institutional Asset Management Rotterdam, Netherlands $81.4B AUM 40.71% 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

Handelsbanken Fonder Stockholm, Sweden $35.1B AUM 47.76% 1-Year Est. Return

GIA

Gateway Investment Advisers Cincinnati, Ohio $10.1B AUM 40.26% 1-Year Est. Return

QCM

QRG Capital Management Chicago, Illinois $12.1B AUM 44.98% 1-Year Est. Return

CIM

Contravisory Investment Management Norwell, Massachusetts $566M AUM 42.93% 1-Year Est. Return

GIC

Generali Investments CEE Prague, Czech Republic $2.11B AUM 25.53% 1-Year Est. Return

CNB

Czech National Bank Prague, Czech Republic $18.3B AUM 43.04% 1-Year Est. Return

ASR Vermogensbeheer Utrecht, Netherlands $9.71B AUM 37.32% 1-Year Est. Return

First County Bank's BIIB Position: Q2 2026 in Review

First County Bank reduced its Biogen (BIIB) stake by 5.6% in Q2 2026, selling an estimated $44.6K and leaving 3,933 shares worth $850K. The position accounts for 0.4% of the portfolio, ranked #71.

First County Bank first reported a position in BIIB in Q1 2025 and has held it in 6 quarters since. 186 funds tracked by Wall St. Rank hold BIIB as of Q2 2026.

First County Bank held 3,933 shares of Biogen worth $850K as of Q2 2026.
First County Bank sold 233 Biogen shares in Q2 2026, an estimated $44.6K.
Biogen made up 0.4% of First County Bank's portfolio in Q2 2026, its #71 holding.
First County Bank first reported a position in Biogen in Q1 2025 and has held it in 6 quarters since.
186 funds tracked by Wall St. Rank held Biogen as of Q2 2026.

Based on First County Bank's 13F filing for Q2 2026, filed 2 Jul 2026.