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Ameritas Advisory Services’s Biogen BIIB Stock Holding History

Ameritas Advisory Services’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
Q4 		– Sell
-353
Closed -$49.4K – 1043
2025
Q3 		$49.4K Sell
353
-256
-42% -$34.6K ﹤0.01% 1090
2025
Q2 		$76.5K Buy
+609
New +$75.9K ﹤0.01% 1100
2024
Q4 		– Sell
-2,187
Closed -$424K – 878
2024
Q3 		$424K Buy
2,187
+880
+67% +$184K 0.02% 585
2024
Q2 		$303K Sell
1,307
-15
-1% -$3.26K 0.01% 726
2024
Q1 		$284K Sell
1,322
-164
-11% -$38.4K 0.01% 726
2023
Q4 		$377K Sell
1,486
-17
-1% -$4.17K 0.02% 494
2023
Q3 		$390K Buy
+1,503
New +$402K 0.02% 564
2023
Q2 		– Sell
-1,577
Closed -$454K – 745
2023
Q1 		$454K Sell
1,577
-9
-0.6% -$2.49K 0.02% 513
2022
Q4 		$439K Sell
1,586
-12
-0.8% -$3.39K 0.02% 579
2022
Q3 		$427K Sell
1,598
-38
-2% -$8.07K 0.03% 474
2022
Q2 		$334K Sell
1,636
-37
-2% -$7.56K 0.02% 576
2022
Q1 		$352K Sell
1,673
-118
-7% -$25.7K 0.01% 607
2021
Q4 		$430K Buy
+1,791
New +$461K 0.02% 537

Other funds holding BIIB

Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 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
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
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
Point72 Asset Management
Point72 Asset Management Stamford, Connecticut $90.7B AUM 77.13% 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

Ameritas Advisory Services's BIIB Position: Q4 2025 in Review

Ameritas Advisory Services sold out of Biogen (BIIB) in Q4 2025, closing a stake of 353 shares — an estimated $49.4K sold.

Ameritas Advisory Services first reported a position in BIIB in Q4 2021 and held it in 13 quarters. The position peaked at $454K in Q1 2023. 1,001 funds tracked by Wall St. Rank hold BIIB as of Q4 2025.

  • Ameritas Advisory Services reported no remaining Biogen position as of Q4 2025 after selling out during the quarter.
  • Ameritas Advisory Services sold 353 Biogen shares in Q4 2025, an estimated $49.4K.
  • Ameritas Advisory Services first reported a position in Biogen in Q4 2021 and held it in 13 quarters.
  • Ameritas Advisory Services's Biogen position peaked at $454K in Q1 2023.
  • 1,001 funds tracked by Wall St. Rank held Biogen as of Q4 2025.

Based on Ameritas Advisory Services's 13F filing for Q4 2025, filed 4 Feb 2026.