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Addison Advisors’s Biogen BIIB Stock Holding History

Addison 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 		$28.2K Buy
154
+3
+2% +$553 0.01% 506
2025
Q4 		$26.6K Sell
151
-16
-10% -$2.61K 0.01% 504
2025
Q3 		$23.4K Buy
167
+41
+33% +$5.54K 0.01% 526
2025
Q2 		$15.8K Buy
126
+114
+950% +$14.2K ﹤0.01% 570
2025
Q1 		$1.64K Sell
12
-74
-86% -$10.6K ﹤0.01% 756
2024
Q4 		$13.2K Buy
+86
New +$14.5K ﹤0.01% 553

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

Addison Advisors's BIIB Position: Q1 2026 in Review

Addison Advisors increased its Biogen (BIIB) stake by 2% in Q1 2026, buying an estimated $553 and bringing the position to 154 shares worth $28.2K. The position accounts for 0.01% of the portfolio, ranked #506.

Addison Advisors first reported a position in BIIB in Q4 2024 and has held it in 6 quarters since. 1,002 funds tracked by Wall St. Rank hold BIIB as of Q1 2026.

  • Addison Advisors held 154 shares of Biogen worth $28.2K as of Q1 2026.
  • Addison Advisors bought 3 Biogen shares in Q1 2026, an estimated $553.
  • Biogen made up 0.01% of Addison Advisors's portfolio in Q1 2026, its #506 holding.
  • Addison Advisors first reported a position in Biogen in Q4 2024 and has held it in 6 quarters since.
  • 1,002 funds tracked by Wall St. Rank held Biogen as of Q1 2026.

Based on Addison Advisors's 13F filing for Q1 2026, filed 8 May 2026.