Blackhawk Capital Partners’s Biogen BIIB Stock Holding History

Blackhawk Capital Partners’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	$922K	Buy	4,266 +1,840	+76%	+$352K	0.3%	77
2026 Q1	$445K	Buy	2,426 +339	+16%	+$62.5K	0.16%	106
2025 Q4	$367K	Sell	2,087 -1,238	-37%	-$202K	0.14%	109
2025 Q3	$466K	Buy	3,325 +113	+4%	+$15.3K	0.18%	104
2025 Q2	$403K	Buy	3,212 +423	+15%	+$52.7K	0.19%	91
2025 Q1	$382K	Buy	+2,789	New	+$399K	0.2%	97
2018 Q4	–	Sell	-115	Closed	-$228K	–	69
2018 Q3	$228K	Sell	115 -90	-44%	-$31K	0.32%	62
2018 Q2	$59K	Sell	205 -125	-38%	-$35.1K	0.07%	147
2018 Q1	$90K	Sell	330 -45	-12%	-$14K	0.08%	141
2017 Q4	$119K	Buy	+375	New	+$120K	0.1%	111

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

Blackhawk Capital Partners's BIIB Position: Q2 2026 in Review

Blackhawk Capital Partners increased its Biogen (BIIB) stake by 76% in Q2 2026, buying an estimated $352K and bringing the position to 4,266 shares worth $922K. The position accounts for 0.3% of the portfolio, ranked #77.

Blackhawk Capital Partners first reported a position in BIIB in Q4 2017 and has held it in 10 quarters since. 288 funds tracked by Wall St. Rank hold BIIB as of Q2 2026.

Blackhawk Capital Partners held 4,266 shares of Biogen worth $922K as of Q2 2026.
Blackhawk Capital Partners bought 1,840 Biogen shares in Q2 2026, an estimated $352K.
Biogen made up 0.3% of Blackhawk Capital Partners's portfolio in Q2 2026, its #77 holding.
Blackhawk Capital Partners first reported a position in Biogen in Q4 2017 and has held it in 10 quarters since.
288 funds tracked by Wall St. Rank held Biogen as of Q2 2026.

Based on Blackhawk Capital Partners's 13F filing for Q2 2026, filed 20 Jul 2026.