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Zurich Insurance Group’s Biogen BIIB Stock Holding History

Zurich Insurance Group’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 		$7.6M Buy
+35,169
New +$6.73M 0.05% 199
2024
Q3 		– Sell
-98,642
Closed -$22.9M – 218
2024
Q2 		$22.9M Buy
+98,642
New +$21.4M 0.2% 105
2019
Q4 		– Sell
-23,869
Closed -$5.56M – 254
2019
Q3 		$5.56M Sell
23,869
-10,422
-30% -$2.43M 0.11% 220
2019
Q2 		$8.02M Buy
34,291
+1,353
+4% +$312K 0.16% 182
2019
Q1 		$7.79M Buy
32,938
+10,748
+48% +$3.38M 0.17% 178
2018
Q4 		$6.68M Sell
22,190
-22,791
-51% -$7.27M 0.16% 176
2018
Q3 		$15.9M Buy
44,981
+3,124
+7% +$1.08M 0.34% 85
2018
Q2 		$12.1M Buy
41,857
+7,803
+23% +$2.19M 0.27% 94
2018
Q1 		$9.32M Buy
34,054
+1,464
+4% +$454K 0.22% 122
2017
Q4 		$10.4M Buy
32,590
+3,926
+14% +$1.26M 0.24% 97
2017
Q3 		$8.97M Sell
28,664
-2,759
-9% -$817K 0.25% 96
2017
Q2 		$8.53M Sell
31,423
-843
-3% -$223K 0.24% 95
2017
Q1 		$8.82M Buy
32,266
+1,441
+5% +$407K 0.26% 91
2016
Q4 		$8.74M Sell
30,825
-7,078
-19% -$2.1M 0.28% 82
2016
Q3 		$11.9M Buy
37,903
+3,617
+11% +$1.07M 0.4% 62
2016
Q2 		$8.29M Buy
34,286
+4,476
+15% +$1.18M 0.29% 96
2016
Q1 		$7.76M Buy
29,810
+4,514
+18% +$1.19M 0.28% 96
2015
Q4 		$7.75M Sell
25,296
-5,623
-18% -$1.62M 0.28% 107
2015
Q3 		$9.02M Buy
+30,919
New +$10.2M 0.33% 105

Other funds holding BIIB

Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
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
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
Norges Bank
Norges Bank Oslo, Norway $1T AUM
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Zurich Insurance Group's BIIB Position: Q2 2026 in Review

Zurich Insurance Group opened a new position in Biogen (BIIB) in Q2 2026: 35,169 shares worth $7.6M. The stake represents 0.05% of the portfolio and ranks #199 among its holdings. This is a return to the name: Zurich Insurance Group previously reported a position in BIIB as recently as Q2 2024.

Zurich Insurance Group first reported a position in BIIB in Q3 2015 and has held it in 19 quarters since. The position peaked at $22.9M in Q2 2024. 1,043 funds tracked by Wall St. Rank hold BIIB as of Q2 2026.

  • Zurich Insurance Group held 35,169 shares of Biogen worth $7.6M as of Q2 2026.
  • Biogen was a new Zurich Insurance Group position in Q2 2026.
  • Biogen made up 0.05% of Zurich Insurance Group's portfolio in Q2 2026, its #199 holding.
  • Zurich Insurance Group first reported a position in Biogen in Q3 2015 and has held it in 19 quarters since.
  • Zurich Insurance Group's Biogen position peaked at $22.9M in Q2 2024.
  • 1,043 funds tracked by Wall St. Rank held Biogen as of Q2 2026.

Based on Zurich Insurance Group's 13F filing for Q2 2026, filed 14 Aug 2026.