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RMG Wealth Management’s Biogen BIIB Stock Holding History

RMG Wealth Management’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 		$990 Sell
5
-80
-94% -$14.7K ﹤0.01% 542
2025
Q4 		$14.8K Buy
85
+5
+6% +$817 ﹤0.01% 225
2025
Q3 		$11.9K Hold
80
– – ﹤0.01% 219
2025
Q2 		$10.1K Buy
+80
New +$9.97K ﹤0.01% 228

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

RMG Wealth Management's BIIB Position: Q1 2026 in Review

RMG Wealth Management reduced its Biogen (BIIB) stake by 94% in Q1 2026, selling an estimated $14.7K and leaving 5 shares worth $990. The position accounts for ﹤0.01% of the portfolio, ranked #542.

RMG Wealth Management first reported a position in BIIB in Q2 2025 and has held it in 4 quarters since. The position peaked at $14.8K in Q4 2025. 1,002 funds tracked by Wall St. Rank hold BIIB as of Q1 2026.

  • RMG Wealth Management held 5 shares of Biogen worth $990 as of Q1 2026.
  • RMG Wealth Management sold 80 Biogen shares in Q1 2026, an estimated $14.7K.
  • Biogen made up ﹤0.01% of RMG Wealth Management's portfolio in Q1 2026, its #542 holding.
  • RMG Wealth Management first reported a position in Biogen in Q2 2025 and has held it in 4 quarters since.
  • RMG Wealth Management's Biogen position peaked at $14.8K in Q4 2025.
  • 1,002 funds tracked by Wall St. Rank held Biogen as of Q1 2026.

Based on RMG Wealth Management's 13F filing for Q1 2026, filed 14 May 2026.