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Harbour Investments’s Biogen BIIB Stock Holding History

Harbour Investments’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 		$70.2K Buy
325
+5
+2% +$956 ﹤0.01% 2215
2026
Q1 		$58.7K Buy
320
+105
+49% +$19.3K ﹤0.01% 2245
2025
Q4 		$37.8K Buy
215
+8
+4% +$1.31K ﹤0.01% 2094
2025
Q3 		$29K Buy
207
+6
+3% +$811 ﹤0.01% 2159
2025
Q2 		$25.2K Buy
201
+6
+3% +$748 ﹤0.01% 2134
2025
Q1 		$26.7K Sell
195
-17
-8% -$2.43K ﹤0.01% 2062
2024
Q4 		$32.4K Buy
212
+41
+24% +$6.92K ﹤0.01% 1917
2024
Q3 		$33.1K Sell
171
-6
-3% -$1.25K ﹤0.01% 1858
2024
Q2 		$41K Buy
177
+15
+9% +$3.26K ﹤0.01% 1651
2024
Q1 		$34.9K Sell
162
-5
-3% -$1.17K ﹤0.01% 1701
2023
Q4 		$43.2K Buy
167
+107
+178% +$26.3K ﹤0.01% 1519
2023
Q3 		$15.4K Buy
60
+17
+40% +$4.55K ﹤0.01% 1868
2023
Q2 		$12.2K Buy
43
+10
+30% +$2.98K ﹤0.01% 1954
2023
Q1 		$9.18K Sell
33
-23
-41% -$6.36K ﹤0.01% 2038
2022
Q4 		$15.5K Sell
56
-53
-49% -$15K ﹤0.01% 1773
2022
Q3 		$22K Hold
109
– – ﹤0.01% 1593
2022
Q2 		$22K Buy
+109
New +$22.3K ﹤0.01% 1593
2021
Q4 		$39K Sell
162
-402
-71% -$103K ﹤0.01% 1369
2021
Q3 		$159K Sell
564
-206
-27% -$67.5K 0.01% 1131
2021
Q2 		$267K Buy
770
+27
+4% +$8.18K 0.01% 910
2021
Q1 		$208K Buy
+743
New +$200K 0.01% 942

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

Harbour Investments's BIIB Position: Q2 2026 in Review

Harbour Investments increased its Biogen (BIIB) stake by 1.6% in Q2 2026, buying an estimated $956 and bringing the position to 325 shares worth $70.2K. The position accounts for ﹤0.01% of the portfolio, ranked #2215.

Harbour Investments first reported a position in BIIB in Q1 2021 and has held it in 21 quarters since. The position peaked at $267K in Q2 2021. 1,046 funds tracked by Wall St. Rank hold BIIB as of Q2 2026.

  • Harbour Investments held 325 shares of Biogen worth $70.2K as of Q2 2026.
  • Harbour Investments bought 5 Biogen shares in Q2 2026, an estimated $956.
  • Biogen made up ﹤0.01% of Harbour Investments's portfolio in Q2 2026, its #2215 holding.
  • Harbour Investments first reported a position in Biogen in Q1 2021 and has held it in 21 quarters since.
  • Harbour Investments's Biogen position peaked at $267K in Q2 2021.
  • 1,046 funds tracked by Wall St. Rank held Biogen as of Q2 2026.

Based on Harbour Investments's 13F filing for Q2 2026, filed 12 Aug 2026.