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Harbor Investment Advisory’s Biogen BIIB Stock Holding History

Harbor Investment Advisory’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 		$3.89K Hold
18
– – ﹤0.01% 1155
2026
Q1 		$3.3K Sell
18
-44
-71% -$8.11K ﹤0.01% 1072
2025
Q4 		$10.9K Hold
62
– – ﹤0.01% 923
2025
Q3 		$8.69K Sell
62
-12
-16% -$1.62K ﹤0.01% 926
2025
Q2 		$9.29K Buy
74
+56
+311% +$6.98K ﹤0.01% 901
2025
Q1 		$2.46K Hold
18
– – ﹤0.01% 1062
2024
Q4 		$2.75K Sell
18
-74
-80% -$12.5K ﹤0.01% 1031
2024
Q3 		$17.8K Sell
92
-18
-16% -$3.77K ﹤0.01% 765
2024
Q2 		$25.5K Buy
110
+2
+2% +$435 ﹤0.01% 705
2024
Q1 		$23.3K Buy
108
+29
+37% +$6.79K ﹤0.01% 716
2023
Q4 		$20.4K Buy
79
+12
+18% +$2.95K ﹤0.01% 712
2023
Q3 		$17.2K Hold
67
– – ﹤0.01% 717
2023
Q2 		$19.1K Hold
67
– – ﹤0.01% 907
2023
Q1 		$18.6K Hold
67
– – ﹤0.01% 923
2022
Q4 		$18.6K Hold
67
– – ﹤0.01% 912
2022
Q3 		$18K Hold
67
– – ﹤0.01% 927
2022
Q2 		$14K Sell
67
-25
-27% -$5.11K ﹤0.01% 966
2022
Q1 		$19K Buy
92
+15
+19% +$3.26K ﹤0.01% 941
2021
Q4 		$18K Sell
77
-82
-52% -$21.1K ﹤0.01% 951
2021
Q3 		$45K Hold
159
– – 0.01% 763
2021
Q2 		$55K Sell
159
-456
-74% -$138K 0.01% 679
2021
Q1 		$172K Sell
615
-339
-36% -$91.4K 0.03% 364
2020
Q4 		$234K Sell
954
-464
-33% -$120K 0.04% 286
2020
Q3 		$402K Sell
1,418
-200
-12% -$55.8K 0.08% 185
2020
Q2 		$433K Sell
1,618
-82
-5% -$24.6K 0.09% 166
2020
Q1 		$538K Buy
1,700
+14
+0.8% +$4.25K 0.14% 127
2019
Q4 		$500K Buy
+1,686
New +$468K 0.12% 150

Other funds holding BIIB

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Boston Partners
Boston Partners Boston, Massachusetts $113B AUM 38.87% 1-Year Est. Return
Deutsche Bank
Deutsche Bank Frankfurt Am Main Ge, Germany $344B AUM 42.99% 1-Year Est. Return
Pictet Asset Management
Pictet Asset Management Carouge, Switzerland $105B AUM 38.07% 1-Year Est. Return
Robeco Institutional Asset Management
Robeco Institutional Asset Management Rotterdam, Netherlands $81.4B AUM 40.71% 1-Year Est. Return
Bank of New York Mellon
Bank of New York Mellon New York $609B AUM 40.19% 1-Year Est. Return
Massachusetts Financial Services
Massachusetts Financial Services Boston, Massachusetts $315B AUM 27.84% 1-Year Est. Return
Citigroup
Citigroup New York $303B AUM 53.02% 1-Year Est. Return
AIM
Artemis Investment Management Edinburgh, United Kingdom $11.2B AUM 80.72% 1-Year Est. Return

Harbor Investment Advisory's BIIB Position: Q2 2026 in Review

Harbor Investment Advisory held its Biogen (BIIB) position steady in Q2 2026 at 18 shares worth $3.89K. The position accounts for ﹤0.01% of the portfolio, ranked #1155.

Harbor Investment Advisory first reported a position in BIIB in Q4 2019 and has held it in 27 quarters since. The position peaked at $538K in Q1 2020. 569 funds tracked by Wall St. Rank hold BIIB as of Q2 2026.

  • Harbor Investment Advisory held 18 shares of Biogen worth $3.89K as of Q2 2026.
  • Harbor Investment Advisory left its Biogen share count unchanged in Q2 2026.
  • Biogen made up ﹤0.01% of Harbor Investment Advisory's portfolio in Q2 2026, its #1155 holding.
  • Harbor Investment Advisory first reported a position in Biogen in Q4 2019 and has held it in 27 quarters since.
  • Harbor Investment Advisory's Biogen position peaked at $538K in Q1 2020.
  • 569 funds tracked by Wall St. Rank held Biogen as of Q2 2026.

Based on Harbor Investment Advisory's 13F filing for Q2 2026, filed 7 Jul 2026.