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MUFG Securities Americas’s Biogen BIIB Stock Holding History

MUFG Securities Americas’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 		$745K Buy
4,061
+109
+3% +$20.1K 0.05% 321
2025
Q4 		$696K Sell
3,952
-2
-0.1% -$327 0.04% 329
2025
Q3 		$554K Buy
3,954
+707
+22% +$95.6K 0.04% 370
2025
Q2 		$408K Buy
3,247
+656
+25% +$81.7K 0.03% 382
2025
Q1 		$355K Buy
2,591
+440
+20% +$62.9K 0.04% 359
2024
Q4 		$329K Buy
+2,151
New +$363K 0.04% 347

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

MUFG Securities Americas's BIIB Position: Q1 2026 in Review

MUFG Securities Americas increased its Biogen (BIIB) stake by 2.8% in Q1 2026, buying an estimated $20.1K and bringing the position to 4,061 shares worth $745K. The position accounts for 0.05% of the portfolio, ranked #321.

MUFG Securities Americas 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.

  • MUFG Securities Americas held 4,061 shares of Biogen worth $745K as of Q1 2026.
  • MUFG Securities Americas bought 109 Biogen shares in Q1 2026, an estimated $20.1K.
  • Biogen made up 0.05% of MUFG Securities Americas's portfolio in Q1 2026, its #321 holding.
  • MUFG Securities Americas 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 MUFG Securities Americas's 13F filing for Q1 2026, filed 11 May 2026.