Quintet Private Bank (Europe)’s Biogen BIIB Stock Holding History

Quintet Private Bank (Europe)’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	$42.1K	Hold	195	–	–	﹤0.01%	146
2026 Q1	$35.7K	Hold	195	–	–	﹤0.01%	151
2025 Q4	$34.3K	Sell	195 -60	-24%	-$9.8K	﹤0.01%	153
2025 Q3	$35.7K	Hold	255	–	–	﹤0.01%	156
2025 Q2	$32K	Sell	255 -672	-72%	-$83.7K	﹤0.01%	155
2025 Q1	$127K	Sell	927 -488	-34%	-$69.8K	0.01%	127
2024 Q4	$216K	Buy	1,415 +705	+99%	+$119K	0.01%	111
2024 Q3	$138K	Buy	710 +63	+10%	+$13.2K	0.01%	128
2024 Q2	$173K	Buy	647 +306	+90%	+$66.5K	0.01%	123
2024 Q1	$84.5K	Buy	341 +307	+903%	+$71.9K	﹤0.01%	169
2023 Q4	$8.78K	Hold	34	–	–	﹤0.01%	177
2023 Q3	$8.73K	Sell	34 -1,079	-97%	-$289K	﹤0.01%	202
2023 Q2	$318K	Sell	1,113 -931	-46%	-$277K	0.02%	123
2023 Q1	$568K	Buy	+2,044	New	+$566K	0.03%	100
2022 Q2	$318K	Buy	+1,113	New	+$228K	0.02%	123

Other funds holding BIIB

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

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

ADEF

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

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

BPC

Banque Pictet & Cie Geneva 73, Switzerland $16B AUM 29.1% 1-Year Est. Return

HealthInvest Partners Stockholm, Sweden $372M AUM 59.89% 1-Year Est. Return

Mirae Asset Global Investments Seoul, South Korea $67.7B AUM 51.91% 1-Year Est. Return

Quintet Private Bank (Europe)'s BIIB Position: Q2 2026 in Review

Quintet Private Bank (Europe) held its Biogen (BIIB) position steady in Q2 2026 at 195 shares worth $42.1K. The position accounts for ﹤0.01% of the portfolio, ranked #146.

Quintet Private Bank (Europe) first reported a position in BIIB in Q2 2022 and has held it in 15 quarters since. The position peaked at $568K in Q1 2023. 271 funds tracked by Wall St. Rank hold BIIB as of Q2 2026.

Quintet Private Bank (Europe) held 195 shares of Biogen worth $42.1K as of Q2 2026.
Quintet Private Bank (Europe) left its Biogen share count unchanged in Q2 2026.
Biogen made up ﹤0.01% of Quintet Private Bank (Europe)'s portfolio in Q2 2026, its #146 holding.
Quintet Private Bank (Europe) first reported a position in Biogen in Q2 2022 and has held it in 15 quarters since.
Quintet Private Bank (Europe)'s Biogen position peaked at $568K in Q1 2023.
271 funds tracked by Wall St. Rank held Biogen as of Q2 2026.

Based on Quintet Private Bank (Europe)'s 13F filing for Q2 2026, filed 13 Jul 2026.