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Cairn Investment Group’s Biogen BIIB Stock Holding History

Cairn 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 		$1.74M Hold
8,043
– – 0.77% 36
2026
Q1 		$1.48M Sell
8,043
-53
-0.7% -$9.77K 0.73% 34
2025
Q4 		$1.43M Sell
8,096
-108
-1% -$17.6K 0.68% 36
2025
Q3 		$1.15M Sell
8,204
-70
-0.8% -$9.46K 0.52% 40
2025
Q2 		$1.04M Sell
8,274
-82
-1% -$10.2K 0.54% 39
2025
Q1 		$1.14M Sell
8,356
-7
-0.1% -$1K 0.65% 36
2024
Q4 		$1.28M Sell
8,363
-3,153
-27% -$532K 0.75% 36
2024
Q3 		$2.23M Buy
11,516
+366
+3% +$76.6K 1.23% 27
2024
Q2 		$2.58M Sell
11,150
-183
-2% -$39.8K 1.51% 27
2024
Q1 		$2.44M Buy
11,333
+207
+2% +$48.5K 1.4% 25
2023
Q4 		$2.88M Buy
11,126
+323
+3% +$79.3K 1.8% 20
2023
Q3 		$2.78M Buy
10,803
+622
+6% +$166K 1.84% 20
2023
Q2 		$2.9M Buy
10,181
+361
+4% +$107K 1.88% 21
2023
Q1 		$2.73M Buy
9,820
+255
+3% +$70.6K 1.9% 19
2022
Q4 		$2.65M Buy
9,565
+445
+5% +$126K 1.97% 16
2022
Q3 		$2.44M Sell
9,120
-90
-1% -$19.1K 1.97% 15
2022
Q2 		$1.88M Buy
9,210
+100
+1% +$20.4K 1.46% 25
2022
Q1 		$2.03M Buy
9,110
+1,260
+16% +$274K 1.29% 29
2021
Q4 		$1.88M Buy
7,850
+600
+8% +$154K 1.3% 28
2021
Q3 		$2.05M Buy
7,250
+113
+2% +$37K 1.52% 21
2021
Q2 		$2.47M Buy
7,137
+175
+3% +$53K 1.81% 12
2021
Q1 		$1.95M Sell
6,962
-130
-2% -$35.1K 1.62% 19
2020
Q4 		$1.74M Buy
7,092
+82
+1% +$21.2K 1.64% 24
2020
Q3 		$1.99M Buy
7,010
+5,835
+497% +$1.63M 2.11% 16
2020
Q2 		$314K Sell
1,175
-55
-4% -$16.5K 0.38% 61
2020
Q1 		$389K Sell
1,230
-200
-14% -$60.7K 0.58% 52
2019
Q4 		$424K Buy
+1,430
New +$397K 0.42% 69

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

Cairn Investment Group's BIIB Position: Q2 2026 in Review

Cairn Investment Group held its Biogen (BIIB) position steady in Q2 2026 at 8,043 shares worth $1.74M. The position accounts for 0.77% of the portfolio, ranked #36.

Cairn Investment Group first reported a position in BIIB in Q4 2019 and has held it in 27 quarters since. The position peaked at $2.9M in Q2 2023. 1,043 funds tracked by Wall St. Rank hold BIIB as of Q2 2026.

  • Cairn Investment Group held 8,043 shares of Biogen worth $1.74M as of Q2 2026.
  • Cairn Investment Group left its Biogen share count unchanged in Q2 2026.
  • Biogen made up 0.77% of Cairn Investment Group's portfolio in Q2 2026, its #36 holding.
  • Cairn Investment Group first reported a position in Biogen in Q4 2019 and has held it in 27 quarters since.
  • Cairn Investment Group's Biogen position peaked at $2.9M in Q2 2023.
  • 1,043 funds tracked by Wall St. Rank held Biogen as of Q2 2026.

Based on Cairn Investment Group's 13F filing for Q2 2026, filed 28 Jul 2026.