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Chicago Partners Investment Group’s Biogen BIIB Stock Holding History

Chicago Partners Investment Group’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 		$1.01M Buy
5,038
+440
+10% +$84.2K 0.02% 653
2026
Q1 		$874K Buy
4,598
+1,782
+63% +$328K 0.02% 607
2025
Q4 		$483K Buy
2,816
+92
+3% +$15K 0.01% 782
2025
Q3 		$406K Buy
2,724
+366
+16% +$49.5K 0.01% 811
2025
Q2 		$309K Buy
+2,358
New +$294K 0.01% 819
2025
Q1 		– Sell
-2,445
Closed -$369K – 940
2024
Q4 		$369K Buy
2,445
+1,015
+71% +$171K 0.01% 590
2024
Q3 		$262K Buy
1,430
+22
+2% +$4.6K 0.01% 660
2024
Q2 		$298K Sell
1,408
-117
-8% -$25.4K 0.01% 593
2024
Q1 		$295K Sell
1,525
-85
-5% -$19.9K 0.01% 574
2023
Q4 		$398K Sell
1,610
-40
-2% -$9.82K 0.02% 476
2023
Q3 		$418K Buy
1,650
+50
+3% +$13.4K 0.02% 445
2023
Q2 		$434K Sell
1,600
-32
-2% -$9.53K 0.02% 449
2023
Q1 		$478K Sell
1,632
-155
-9% -$42.9K 0.03% 388
2022
Q4 		$521K Buy
1,787
+33
+2% +$9.32K 0.03% 365
2022
Q3 		$499K Buy
1,754
+363
+26% +$77.1K 0.04% 335
2022
Q2 		$299K Buy
1,391
+71
+5% +$14.5K 0.02% 440
2022
Q1 		$258K Buy
+1,320
New +$287K 0.02% 448
2018
Q4 		– Sell
-6
Closed -$2K – 387
2018
Q3 		$2K Buy
+6
New +$2.07K ﹤0.01% 987
2017
Q2 		– Sell
-105
Closed -$29K – 647
2017
Q1 		$29K Buy
105
+5
+5% +$1.41K 0.01% 370
2016
Q4 		$28K Buy
100
+50
+100% +$14.8K 0.01% 349
2016
Q3 		$16K Buy
+50
New +$14.8K 0.01% 379
2015
Q2 		– Sell
-31
Closed -$11K – 443
2015
Q1 		$11K Buy
31
+6
+24% +$2.37K ﹤0.01% 339
2014
Q4 		$9K Buy
+25
New +$8.09K ﹤0.01% 371

Other funds holding BIIB

Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Primecap Management
Primecap Management Pasadena, California $169B AUM 114.72% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return
Norges Bank
Norges Bank Oslo, Norway $1T AUM
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Chicago Partners Investment Group's BIIB Position: Q2 2026 in Review

Chicago Partners Investment Group increased its Biogen (BIIB) stake by 9.6% in Q2 2026, buying an estimated $84.2K and bringing the position to 5,038 shares worth $1.01M. The position accounts for 0.02% of the portfolio, ranked #653.

Chicago Partners Investment Group first reported a position in BIIB in Q4 2014 and has held it in 23 quarters since. 1,038 funds tracked by Wall St. Rank hold BIIB as of Q2 2026.

  • Chicago Partners Investment Group held 5,038 shares of Biogen worth $1.01M as of Q2 2026.
  • Chicago Partners Investment Group bought 440 Biogen shares in Q2 2026, an estimated $84.2K.
  • Biogen made up 0.02% of Chicago Partners Investment Group's portfolio in Q2 2026, its #653 holding.
  • Chicago Partners Investment Group first reported a position in Biogen in Q4 2014 and has held it in 23 quarters since.
  • 1,038 funds tracked by Wall St. Rank held Biogen as of Q2 2026.

Based on Chicago Partners Investment Group's 13F filing for Q2 2026, filed 30 Jul 2026.