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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
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

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Primecap Management
Primecap Management Pasadena, California $127B AUM 44.11% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return

Harbour Investments's BIIB Position: Q1 2026 in Review

Harbour Investments increased its Biogen (BIIB) stake by 49% in Q1 2026, buying an estimated $19.3K and bringing the position to 320 shares worth $58.7K. The position accounts for ﹤0.01% of the portfolio, ranked #2245.

Harbour Investments first reported a position in BIIB in Q1 2021 and has held it in 20 quarters since. The position peaked at $267K in Q2 2021. 1,002 funds tracked by Wall St. Rank hold BIIB as of Q1 2026.

  • Harbour Investments held 320 shares of Biogen worth $58.7K as of Q1 2026.
  • Harbour Investments bought 105 Biogen shares in Q1 2026, an estimated $19.3K.
  • Biogen made up ﹤0.01% of Harbour Investments's portfolio in Q1 2026, its #2245 holding.
  • Harbour Investments first reported a position in Biogen in Q1 2021 and has held it in 20 quarters since.
  • Harbour Investments's Biogen position peaked at $267K in Q2 2021.
  • 1,002 funds tracked by Wall St. Rank held Biogen as of Q1 2026.

Based on Harbour Investments's 13F filing for Q1 2026, filed 15 May 2026.