Lido Advisors
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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
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

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

Lido Advisors's BIIB Position: Q1 2026 in Review

Lido Advisors reduced its Biogen (BIIB) stake by 26% in Q1 2026, selling an estimated $287K and leaving 4,432 shares worth $813K. The position accounts for ﹤0.01% of the portfolio, ranked #1063.

Lido Advisors first reported a position in BIIB in Q2 2021 and has held it in 13 quarters since. The position peaked at $6.36M in Q4 2024. 1,002 funds tracked by Wall St. Rank hold BIIB as of Q1 2026.

  • Lido Advisors held 4,432 shares of Biogen worth $813K as of Q1 2026.
  • Lido Advisors sold 1,559 Biogen shares in Q1 2026, an estimated $287K.
  • Biogen made up ﹤0.01% of Lido Advisors's portfolio in Q1 2026, its #1063 holding.
  • Lido Advisors first reported a position in Biogen in Q2 2021 and has held it in 13 quarters since.
  • Lido Advisors's Biogen position peaked at $6.36M in Q4 2024.
  • 1,002 funds tracked by Wall St. Rank held Biogen as of Q1 2026.

Based on Lido Advisors's 13F filing for Q1 2026, filed 13 May 2026.