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Zions Bancorporation, National Association’s Biogen BIIB Stock Holding History

Zions Bancorporation, 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
Q2 		$78K Buy
361
+15
+4% +$2.87K ﹤0.01% 465
2026
Q1 		$63.4K Sell
346
-276
-44% -$50.9K ﹤0.01% 486
2025
Q4 		$109K Buy
622
+111
+22% +$18.1K 0.01% 505
2025
Q3 		$71.6K Buy
511
+139
+37% +$18.8K ﹤0.01% 508
2025
Q2 		$46.7K Buy
372
+161
+76% +$20.1K ﹤0.01% 534
2025
Q1 		$28.9K Buy
+211
New +$30.2K ﹤0.01% 593

Other funds holding BIIB

Pictet Asset Management
Pictet Asset Management Carouge, Switzerland $105B AUM 38.07% 1-Year Est. Return
Robeco Institutional Asset Management
Robeco Institutional Asset Management Rotterdam, Netherlands $81.4B AUM 40.71% 1-Year Est. Return
AIM
Artemis Investment Management Edinburgh, United Kingdom $11.2B AUM 80.72% 1-Year Est. Return
Sumitomo Mitsui Trust Group
Sumitomo Mitsui Trust Group Minato-Ku, Tokyo, Japan $175B AUM 40.63% 1-Year Est. Return
Swedbank
Swedbank Stockholm, Sweden $116B AUM 46.87% 1-Year Est. Return
AAMU
AEGON Asset Management (UK) Edinburgh, United Kingdom $9.38B AUM 48.94% 1-Year Est. Return
Aberdeen Group
Aberdeen Group Edinburgh, United Kingdom $71.2B AUM 41.74% 1-Year Est. Return
New York State Teachers Retirement System (NYSTRS)
New York State Teachers Retirement System (NYSTRS) Albany, New York $54.2B AUM 43.77% 1-Year Est. Return
ECSS
Eurizon Capital SGR SpA Milan $37.3B AUM
ADEF
Adams Diversified Equity Fund Baltimore, Maryland $3.27B AUM 45.57% 1-Year Est. Return

Zions Bancorporation, National Association's BIIB Position: Q2 2026 in Review

Zions Bancorporation, National Association increased its Biogen (BIIB) stake by 4.3% in Q2 2026, buying an estimated $2.87K and bringing the position to 361 shares worth $78K. The position accounts for ﹤0.01% of the portfolio, ranked #465.

Zions Bancorporation, National Association first reported a position in BIIB in Q1 2025 and has held it in 6 quarters since. The position peaked at $109K in Q4 2025. 405 funds tracked by Wall St. Rank hold BIIB as of Q2 2026.

  • Zions Bancorporation, National Association held 361 shares of Biogen worth $78K as of Q2 2026.
  • Zions Bancorporation, National Association bought 15 Biogen shares in Q2 2026, an estimated $2.87K.
  • Biogen made up ﹤0.01% of Zions Bancorporation, National Association's portfolio in Q2 2026, its #465 holding.
  • Zions Bancorporation, National Association first reported a position in Biogen in Q1 2025 and has held it in 6 quarters since.
  • Zions Bancorporation, National Association's Biogen position peaked at $109K in Q4 2025.
  • 405 funds tracked by Wall St. Rank held Biogen as of Q2 2026.

Based on Zions Bancorporation, National Association's 13F filing for Q2 2026, filed 31 Jul 2026.