TIAA Trust, National Association
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TIAA Trust, National Association’s Biogen BIIB Stock Holding History

TIAA Trust, National Association’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 		– Sell
-3,186
Closed -$561K – 413
2025
Q4 		$561K Sell
3,186
-516
-14% -$84.3K ﹤0.01% 469
2025
Q3 		$519K Sell
3,702
-741
-17% -$100K ﹤0.01% 479
2025
Q2 		$558K Buy
4,443
+100
+2% +$12.5K ﹤0.01% 447
2025
Q1 		$594K Buy
4,343
+768
+21% +$110K ﹤0.01% 427
2024
Q4 		$547K Buy
3,575
+108
+3% +$18.2K ﹤0.01% 441
2024
Q3 		$672K Sell
3,467
-563
-14% -$118K ﹤0.01% 415
2024
Q2 		$934K Buy
4,030
+159
+4% +$34.6K ﹤0.01% 360
2024
Q1 		$835K Buy
3,871
+369
+11% +$86.4K ﹤0.01% 374
2023
Q4 		$906K Sell
3,502
-92
-3% -$22.6K ﹤0.01% 344
2023
Q3 		$924K Buy
+3,594
New +$961K ﹤0.01% 334

Other funds holding BIIB

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
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 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
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return

TIAA Trust, National Association's BIIB Position: Q1 2026 in Review

TIAA Trust, National Association sold out of Biogen (BIIB) in Q1 2026, closing a stake of 3,186 shares — an estimated $561K sold.

TIAA Trust, National Association first reported a position in BIIB in Q3 2023 and held it in 10 quarters. The position peaked at $934K in Q2 2024. 1,009 funds tracked by Wall St. Rank hold BIIB as of Q1 2026.

  • TIAA Trust, National Association reported no remaining Biogen position as of Q1 2026 after selling out during the quarter.
  • TIAA Trust, National Association sold 3,186 Biogen shares in Q1 2026, an estimated $561K.
  • TIAA Trust, National Association first reported a position in Biogen in Q3 2023 and held it in 10 quarters.
  • TIAA Trust, National Association's Biogen position peaked at $934K in Q2 2024.
  • 1,009 funds tracked by Wall St. Rank held Biogen as of Q1 2026.

Based on TIAA Trust, National Association's 13F filing for Q1 2026, filed 12 May 2026.