National Bank of Canada
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National Bank of Canada’s Biogen BIIB Stock Holding History

National Bank of Canada’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 		$23.2M Buy
107,416
+28,536
+36% +$5.46M 0.02% 508
2026
Q1 		$14.5M Sell
78,880
-17,662
-18% -$3.25M 0.01% 584
2025
Q4 		$17M Buy
96,542
+23,425
+32% +$3.83M 0.02% 566
2025
Q3 		$10.2M Sell
73,117
-70,095
-49% -$9.47M 0.01% 695
2025
Q2 		$18M Sell
143,212
-58,321
-29% -$7.27M 0.02% 585
2025
Q1 		$27.6M Buy
201,533
+23,644
+13% +$3.38M 0.03% 436
2024
Q4 		$27.2M Sell
177,889
-13,576
-7% -$2.29M 0.03% 481
2024
Q3 		$37.1M Buy
191,465
+137,161
+253% +$28.7M 0.04% 350
2024
Q2 		$12.6M Sell
54,304
-18,520
-25% -$4.02M 0.02% 498
2024
Q1 		$16.1M Sell
72,824
-128,451
-64% -$30.1M 0.02% 481
2023
Q4 		$53.9M Buy
201,275
+84,284
+72% +$20.7M 0.09% 214
2023
Q3 		$29.6M Buy
116,991
+68,282
+140% +$18.3M 0.05% 340
2023
Q2 		$13.9M Buy
48,709
+34,971
+255% +$10.4M 0.03% 460
2023
Q1 		$3.82M Sell
13,738
-9,333
-40% -$2.58M 0.01% 670
2022
Q4 		$6.39M Sell
23,071
-3,430
-13% -$969K 0.02% 540
2022
Q3 		$7.01M Sell
26,501
-1,243
-4% -$264K 0.04% 437
2022
Q2 		$5.84M Sell
27,744
-82
-0.3% -$16.8K 0.03% 518
2022
Q1 		$6.11M Buy
27,826
+23,844
+599% +$5.19M 0.02% 559
2021
Q4 		$960K Buy
+3,982
New +$1.02M ﹤0.01% 1071

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 $3.38T AUM 44.17% 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

National Bank of Canada's BIIB Position: Q2 2026 in Review

National Bank of Canada increased its Biogen (BIIB) stake by 36% in Q2 2026, buying an estimated $5.46M and bringing the position to 107,416 shares worth $23.2M. The position accounts for 0.02% of the portfolio, ranked #508.

National Bank of Canada first reported a position in BIIB in Q4 2021 and has held it in 19 quarters since. The position peaked at $53.9M in Q4 2023. 1,046 funds tracked by Wall St. Rank hold BIIB as of Q2 2026.

  • National Bank of Canada held 107,416 shares of Biogen worth $23.2M as of Q2 2026.
  • National Bank of Canada bought 28,536 Biogen shares in Q2 2026, an estimated $5.46M.
  • Biogen made up 0.02% of National Bank of Canada's portfolio in Q2 2026, its #508 holding.
  • National Bank of Canada first reported a position in Biogen in Q4 2021 and has held it in 19 quarters since.
  • National Bank of Canada's Biogen position peaked at $53.9M in Q4 2023.
  • 1,046 funds tracked by Wall St. Rank held Biogen as of Q2 2026.

Based on National Bank of Canada's 13F filing for Q2 2026, filed 10 Aug 2026.