Vontobel Holding
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Vontobel Holding’s Biogen BIIB Stock Holding History

Vontobel Holding’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 		$2.51M Buy
13,710
+3,869
+39% +$713K 0.01% 488
2025
Q4 		$1.73M Sell
9,841
-10,147
-51% -$1.66M 0.01% 620
2025
Q3 		$2.8M Buy
19,988
+6,540
+49% +$884K 0.01% 486
2025
Q2 		$1.69M Sell
13,448
-2,491
-16% -$310K 0.01% 553
2025
Q1 		$2.18M Buy
15,939
+677
+4% +$96.8K 0.01% 434
2024
Q4 		$2.33M Buy
15,262
+4,109
+37% +$693K 0.01% 417
2024
Q3 		$2.16M Sell
11,153
-2,652
-19% -$555K 0.01% 432
2024
Q2 		$3.2M Sell
13,805
-5,076
-27% -$1.1M 0.01% 369
2024
Q1 		$4.07M Sell
18,881
-4,049
-18% -$948K 0.03% 343
2023
Q4 		$5.93M Buy
22,930
+8,499
+59% +$2.09M 0.05% 285
2023
Q3 		$3.71M Sell
14,431
-1,140
-7% -$305K 0.03% 330
2023
Q2 		$4.44M Buy
15,571
+4,488
+40% +$1.34M 0.04% 318
2023
Q1 		$3.08M Buy
11,083
+2,511
+29% +$695K 0.03% 358
2022
Q4 		$2.35M Sell
8,572
-3,301
-28% -$932K 0.02% 380
2022
Q3 		$3.14M Buy
11,873
+339
+3% +$72K 0.04% 332
2022
Q2 		$2.37M Sell
11,534
-2,511
-18% -$513K 0.03% 364
2022
Q1 		$2.96M Sell
14,045
-22,209
-61% -$4.83M 0.03% 359
2021
Q4 		$8.7M Sell
36,254
-11,370
-24% -$2.92M 0.07% 204
2021
Q3 		$13.5M Buy
47,624
+4,657
+11% +$1.53M 0.12% 150
2021
Q2 		$14.9M Sell
42,967
-38,279
-47% -$11.6M 0.13% 141
2021
Q1 		$22.7M Sell
81,246
-6,810
-8% -$1.84M 0.17% 93
2020
Q4 		$23.7M Buy
+88,056
New +$22.7M 0.16% 98

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

Vontobel Holding's BIIB Position: Q1 2026 in Review

Vontobel Holding increased its Biogen (BIIB) stake by 39% in Q1 2026, buying an estimated $713K and bringing the position to 13,710 shares worth $2.51M. The position accounts for 0.01% of the portfolio, ranked #488.

Vontobel Holding first reported a position in BIIB in Q4 2020 and has held it in 22 quarters since. The position peaked at $23.7M in Q4 2020. 1,002 funds tracked by Wall St. Rank hold BIIB as of Q1 2026.

  • Vontobel Holding held 13,710 shares of Biogen worth $2.51M as of Q1 2026.
  • Vontobel Holding bought 3,869 Biogen shares in Q1 2026, an estimated $713K.
  • Biogen made up 0.01% of Vontobel Holding's portfolio in Q1 2026, its #488 holding.
  • Vontobel Holding first reported a position in Biogen in Q4 2020 and has held it in 22 quarters since.
  • Vontobel Holding's Biogen position peaked at $23.7M in Q4 2020.
  • 1,002 funds tracked by Wall St. Rank held Biogen as of Q1 2026.

Based on Vontobel Holding's 13F filing for Q1 2026, filed 8 May 2026.