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Siemens Fonds Invest’s Biogen BIIB Stock Holding History

Siemens Fonds Invest’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 		$785K Hold
3,633
– – 0.04% 290
2026
Q1 		$666K Buy
3,633
+112
+3% +$20.6K 0.04% 293
2025
Q4 		$621K Hold
3,521
– – 0.03% 299
2025
Q3 		$493K Sell
3,521
-19
-0.5% -$2.57K 0.03% 317
2025
Q2 		$445K Buy
3,540
+332
+10% +$41.4K 0.03% 325
2025
Q1 		$439K Sell
3,208
-1,212
-27% -$173K 0.03% 299
2024
Q4 		$664K Sell
4,420
-1,100
-20% -$186K 0.04% 258
2024
Q3 		$816K Sell
5,520
-874
-14% -$183K 0.06% 215
2024
Q2 		$1.48M Hold
6,394
– – 0.11% 191
2024
Q1 		$1.38M Sell
6,394
-72
-1% -$16.9K 0.11% 198
2023
Q4 		$1.67M Buy
6,466
+981
+18% +$241K 0.14% 194
2023
Q3 		$1.41M Sell
5,485
-1,242
-18% -$332K 0.14% 165
2023
Q2 		$1.91M Hold
6,727
– – 0.19% 137
2023
Q1 		$1.87M Sell
6,727
-18
-0.3% -$4.98K 0.2% 138
2022
Q4 		$1.87M Sell
6,745
-371
-5% -$105K 0.19% 135
2022
Q3 		$1.9M Hold
7,116
– – 0.22% 125
2022
Q2 		$1.45M Sell
7,116
-58
-0.8% -$11.9K 0.15% 155
2022
Q1 		$1.51M Hold
7,174
– – 0.12% 160
2021
Q4 		$1.72M Buy
7,174
+472
+7% +$121K 0.11% 163
2021
Q3 		$1.9M Buy
+6,702
New +$2.2M 0.13% 148

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

Siemens Fonds Invest's BIIB Position: Q2 2026 in Review

Siemens Fonds Invest held its Biogen (BIIB) position steady in Q2 2026 at 3,633 shares worth $785K. The position accounts for 0.04% of the portfolio, ranked #290.

Siemens Fonds Invest first reported a position in BIIB in Q3 2021 and has held it in 20 quarters since. The position peaked at $1.91M in Q2 2023. 1,038 funds tracked by Wall St. Rank hold BIIB as of Q2 2026.

  • Siemens Fonds Invest held 3,633 shares of Biogen worth $785K as of Q2 2026.
  • Siemens Fonds Invest left its Biogen share count unchanged in Q2 2026.
  • Biogen made up 0.04% of Siemens Fonds Invest's portfolio in Q2 2026, its #290 holding.
  • Siemens Fonds Invest first reported a position in Biogen in Q3 2021 and has held it in 20 quarters since.
  • Siemens Fonds Invest's Biogen position peaked at $1.91M in Q2 2023.
  • 1,038 funds tracked by Wall St. Rank held Biogen as of Q2 2026.

Based on Siemens Fonds Invest's 13F filing for Q2 2026, filed 14 Aug 2026.