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Mutual Advisors’s Biogen BIIB Stock Holding History

Mutual Advisors’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
2025
Q3 		– Sell
-1,780
Closed -$234K – 1285
2025
Q2 		$234K Buy
+1,780
New +$222K 0.01% 1076
2024
Q4 		– Sell
-3,420
Closed -$629K – 1078
2024
Q3 		$629K Sell
3,420
-110
-3% -$23K 0.02% 633
2024
Q2 		$757K Sell
3,530
-14
-0.4% -$3.04K 0.02% 573
2024
Q1 		$764K Buy
3,544
+48
+1% +$11.2K 0.02% 568
2023
Q4 		$905K Buy
3,496
+475
+16% +$117K 0.03% 484
2023
Q3 		$776K Sell
3,021
-648
-18% -$173K 0.03% 486
2023
Q2 		$1.05M Sell
3,669
-601
-14% -$179K 0.04% 425
2023
Q1 		$1.19M Buy
4,270
+366
+9% +$101K 0.05% 380
2022
Q4 		$1.08M Sell
3,904
-145
-4% -$41K 0.05% 391
2022
Q3 		$1.08M Buy
+4,049
New +$860K 0.06% 344
2021
Q1 		– Sell
-2,489
Closed -$609K – 779
2020
Q4 		$609K Sell
2,489
-767
-24% -$198K 0.05% 417
2020
Q3 		$924K Sell
3,256
-225
-6% -$62.8K 0.08% 263
2020
Q2 		$931K Buy
+3,481
New +$1.05M 0.09% 238
2019
Q1 		– Sell
-968
Closed -$291K – 479
2018
Q4 		$291K Buy
968
+232
+32% +$74K 0.06% 334
2018
Q3 		$260K Buy
+736
New +$253K 0.04% 397

Other funds holding BIIB

Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
Primecap Management
Primecap Management Pasadena, California $169B AUM 114.72% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Point72 Asset Management
Point72 Asset Management Stamford, Connecticut $90.7B AUM 77.13% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return

Mutual Advisors's BIIB Position: Q3 2025 in Review

Mutual Advisors sold out of Biogen (BIIB) in Q3 2025, closing a stake of 1,780 shares — an estimated $234K sold.

Mutual Advisors first reported a position in BIIB in Q3 2018 and held it in 15 quarters. The position peaked at $1.19M in Q1 2023. 907 funds tracked by Wall St. Rank hold BIIB as of Q3 2025.

  • Mutual Advisors reported no remaining Biogen position as of Q3 2025 after selling out during the quarter.
  • Mutual Advisors sold 1,780 Biogen shares in Q3 2025, an estimated $234K.
  • Mutual Advisors first reported a position in Biogen in Q3 2018 and held it in 15 quarters.
  • Mutual Advisors's Biogen position peaked at $1.19M in Q1 2023.
  • 907 funds tracked by Wall St. Rank held Biogen as of Q3 2025.

Based on Mutual Advisors's 13F filing for Q3 2025, filed 4 Nov 2025.