A
BIIB icon

Allianz’s Biogen BIIB Stock Holding History

Allianz’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 		$335K Buy
+1,550
New +$297K ﹤0.01% 359
2025
Q1 		– Sell
-1,459
Closed -$219K – 426
2024
Q4 		$219K Sell
1,459
-339
-19% -$57.2K 0.01% 321
2024
Q3 		$349K Hold
1,798
– – 0.01% 268
2024
Q2 		$417K Buy
1,798
+168
+10% +$36.5K 0.01% 284
2024
Q1 		$351K Buy
+1,630
New +$382K 0.01% 284

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 $3.38T AUM 44.17% 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

Allianz's BIIB Position: Q2 2026 in Review

Allianz opened a new position in Biogen (BIIB) in Q2 2026: 1,550 shares worth $335K. The stake represents ﹤0.01% of the portfolio and ranks #359 among its holdings. This is a return to the name: Allianz previously reported a position in BIIB as recently as Q4 2024.

Allianz first reported a position in BIIB in Q1 2024 and has held it in 5 quarters since. The position peaked at $417K in Q2 2024. 1,046 funds tracked by Wall St. Rank hold BIIB as of Q2 2026.

  • Allianz held 1,550 shares of Biogen worth $335K as of Q2 2026.
  • Biogen was a new Allianz position in Q2 2026.
  • Biogen made up ﹤0.01% of Allianz's portfolio in Q2 2026, its #359 holding.
  • Allianz first reported a position in Biogen in Q1 2024 and has held it in 5 quarters since.
  • Allianz's Biogen position peaked at $417K in Q2 2024.
  • 1,046 funds tracked by Wall St. Rank held Biogen as of Q2 2026.

Based on Allianz's 13F filing for Q2 2026, filed 10 Aug 2026.