Lido Advisors
BIIB icon

Lido Advisors’s Biogen BIIB Stock Holding History

Lido 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
2026
Q2 		$1.14M Buy
5,292
+860
+19% +$165K ﹤0.01% 1033
2026
Q1 		$813K Sell
4,432
-1,559
-26% -$287K ﹤0.01% 1063
2025
Q4 		$865K Sell
5,991
-308
-5% -$50.3K ﹤0.01% 1067
2025
Q3 		$882K Buy
6,299
+1,151
+22% +$156K ﹤0.01% 1001
2025
Q2 		$647K Sell
5,148
-37,897
-88% -$4.72M ﹤0.01% 1014
2025
Q1 		$5.89M Buy
43,045
+1,447
+3% +$207K 0.03% 315
2024
Q4 		$6.36M Buy
41,598
+39,910
+2,364% +$6.73M 0.03% 284
2024
Q3 		$327K Sell
1,688
-697
-29% -$146K ﹤0.01% 1120
2024
Q2 		$553K Sell
2,385
-189
-7% -$41.1K ﹤0.01% 899
2024
Q1 		$555K Sell
2,574
-241
-9% -$56.4K ﹤0.01% 871
2023
Q4 		$728K Buy
2,815
+1,843
+190% +$453K ﹤0.01% 725
2023
Q3 		$250K Buy
972
+233
+32% +$62.3K ﹤0.01% 997
2023
Q2 		$211K Buy
+739
New +$220K ﹤0.01% 1087
2021
Q3 		– Sell
-705
Closed -$244K – 964
2021
Q2 		$244K Buy
+705
New +$214K ﹤0.01% 798

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 $3.37T AUM 44.26% 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

Lido Advisors's BIIB Position: Q2 2026 in Review

Lido Advisors increased its Biogen (BIIB) stake by 19% in Q2 2026, buying an estimated $165K and bringing the position to 5,292 shares worth $1.14M. The position accounts for ﹤0.01% of the portfolio, ranked #1033.

Lido Advisors first reported a position in BIIB in Q2 2021 and has held it in 14 quarters since. The position peaked at $6.36M in Q4 2024. 1,043 funds tracked by Wall St. Rank hold BIIB as of Q2 2026.

  • Lido Advisors held 5,292 shares of Biogen worth $1.14M as of Q2 2026.
  • Lido Advisors bought 860 Biogen shares in Q2 2026, an estimated $165K.
  • Biogen made up ﹤0.01% of Lido Advisors's portfolio in Q2 2026, its #1033 holding.
  • Lido Advisors first reported a position in Biogen in Q2 2021 and has held it in 14 quarters since.
  • Lido Advisors's Biogen position peaked at $6.36M in Q4 2024.
  • 1,043 funds tracked by Wall St. Rank held Biogen as of Q2 2026.

Based on Lido Advisors's 13F filing for Q2 2026, filed 7 Aug 2026.