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Investment Management Corp of Ontario (IMCO)’s Biogen BIIB Stock Holding History

Investment Management Corp of Ontario (IMCO)’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 		$2.02M Sell
9,334
-1,200
-11% -$230K 0.03% 419
2026
Q1 		$1.93M Sell
10,534
-1,808
-15% -$333K 0.02% 434
2025
Q4 		$2.17M Buy
12,342
+2,955
+31% +$483K 0.03% 410
2025
Q3 		$1.31M Buy
9,387
+3,309
+54% +$447K 0.02% 414
2025
Q2 		$763K Sell
6,078
-500
-8% -$62.3K 0.01% 450
2025
Q1 		$900K Buy
6,578
+2,508
+62% +$359K 0.02% 421
2024
Q4 		$622K Sell
4,070
-800
-16% -$135K 0.02% 272
2024
Q3 		$944K Buy
4,870
+1,600
+49% +$335K 0.02% 413
2024
Q2 		$758K Buy
3,270
+900
+38% +$196K 0.02% 379
2024
Q1 		$511K Sell
2,370
-18,187
-88% -$4.26M 0.02% 418
2023
Q4 		$5.32M Buy
+20,557
New +$5.05M 0.13% 131

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

Investment Management Corp of Ontario (IMCO)'s BIIB Position: Q2 2026 in Review

Investment Management Corp of Ontario (IMCO) reduced its Biogen (BIIB) stake by 11% in Q2 2026, selling an estimated $230K and leaving 9,334 shares worth $2.02M. The position accounts for 0.03% of the portfolio, ranked #419.

Investment Management Corp of Ontario (IMCO) first reported a position in BIIB in Q4 2023 and has held it in 11 quarters since. The position peaked at $5.32M in Q4 2023. 1,041 funds tracked by Wall St. Rank hold BIIB as of Q2 2026.

  • Investment Management Corp of Ontario (IMCO) held 9,334 shares of Biogen worth $2.02M as of Q2 2026.
  • Investment Management Corp of Ontario (IMCO) sold 1,200 Biogen shares in Q2 2026, an estimated $230K.
  • Biogen made up 0.03% of Investment Management Corp of Ontario (IMCO)'s portfolio in Q2 2026, its #419 holding.
  • Investment Management Corp of Ontario (IMCO) first reported a position in Biogen in Q4 2023 and has held it in 11 quarters since.
  • Investment Management Corp of Ontario (IMCO)'s Biogen position peaked at $5.32M in Q4 2023.
  • 1,041 funds tracked by Wall St. Rank held Biogen as of Q2 2026.

Based on Investment Management Corp of Ontario (IMCO)'s 13F filing for Q2 2026, filed 14 Aug 2026.