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NorthRock Partners’s Biogen BIIB Stock Holding History

NorthRock 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 		$317K Buy
1,467
+15
+1% +$2.87K ﹤0.01% 520
2026
Q1 		$266K Sell
1,452
-17
-1% -$3.13K ﹤0.01% 557
2025
Q4 		$259K Sell
1,469
-2,127
-59% -$347K ﹤0.01% 507
2025
Q3 		$504K Buy
3,596
+480
+15% +$64.9K 0.01% 530
2025
Q2 		$391K Buy
+3,116
New +$388K 0.01% 464
2024
Q4 		– Sell
-1,406
Closed -$273K – 790
2024
Q3 		$273K Sell
1,406
-189
-12% -$39.5K 0.01% 528
2024
Q2 		$370K Buy
1,595
+560
+54% +$122K 0.01% 419
2024
Q1 		$223K Sell
1,035
-15
-1% -$3.51K 0.01% 558
2023
Q4 		$272K Buy
+1,050
New +$258K 0.01% 476

Other funds holding BIIB

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Norges Bank
Norges Bank Oslo, Norway $1T AUM
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
Amundi
Amundi Paris, France $413B AUM 44.57% 1-Year Est. Return
Boston Partners
Boston Partners Boston, Massachusetts $113B AUM 38.87% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Deutsche Bank
Deutsche Bank Frankfurt Am Main Ge, Germany $344B AUM 42.99% 1-Year Est. Return
Pictet Asset Management
Pictet Asset Management Carouge, Switzerland $105B AUM 38.07% 1-Year Est. Return

NorthRock Partners's BIIB Position: Q2 2026 in Review

NorthRock Partners increased its Biogen (BIIB) stake by 1% in Q2 2026, buying an estimated $2.87K and bringing the position to 1,467 shares worth $317K. The position accounts for ﹤0.01% of the portfolio, ranked #520.

NorthRock Partners first reported a position in BIIB in Q4 2023 and has held it in 9 quarters since. The position peaked at $504K in Q3 2025. 722 funds tracked by Wall St. Rank hold BIIB as of Q2 2026.

  • NorthRock Partners held 1,467 shares of Biogen worth $317K as of Q2 2026.
  • NorthRock Partners bought 15 Biogen shares in Q2 2026, an estimated $2.87K.
  • Biogen made up ﹤0.01% of NorthRock Partners's portfolio in Q2 2026, its #520 holding.
  • NorthRock Partners first reported a position in Biogen in Q4 2023 and has held it in 9 quarters since.
  • NorthRock Partners's Biogen position peaked at $504K in Q3 2025.
  • 722 funds tracked by Wall St. Rank held Biogen as of Q2 2026.

Based on NorthRock Partners's 13F filing for Q2 2026, filed 11 Aug 2026.