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B. Metzler seel. Sohn & Co’s Biogen BIIB Stock Holding History

B. Metzler seel. Sohn & Co’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 		$2.65M Sell
12,258
-17,467
-59% -$3.34M 0.02% 365
2026
Q1 		$5.45M Sell
29,725
-246
-0.8% -$45.3K 0.05% 205
2025
Q4 		$5.27M Buy
29,971
+17,489
+140% +$2.86M 0.05% 205
2025
Q3 		$1.75M Hold
12,482
– – 0.02% 422
2025
Q2 		$1.57M Hold
12,482
– – 0.02% 435
2025
Q1 		$1.71M Buy
12,482
+2,354
+23% +$337K 0.02% 389
2024
Q4 		$1.55M Buy
10,128
+2,767
+38% +$467K 0.02% 438
2024
Q3 		$1.43M Buy
7,361
+1,500
+26% +$314K 0.01% 467
2024
Q2 		$1.36M Buy
5,861
+141
+2% +$30.6K 0.01% 459
2024
Q1 		$1.23M Sell
5,720
-729
-11% -$171K 0.01% 478
2023
Q4 		$1.67M Sell
6,449
-2,199
-25% -$540K 0.02% 400
2023
Q3 		$2.22M Buy
8,648
+1,960
+29% +$524K 0.03% 301
2023
Q2 		$1.91M Buy
6,688
+38
+0.6% +$11.3K 0.03% 382
2023
Q1 		$1.85M Sell
6,650
-1,086
-14% -$300K 0.03% 325
2022
Q4 		$2.14M Buy
7,736
+797
+11% +$225K 0.04% 276
2022
Q3 		$1.85M Sell
6,939
-3,709
-35% -$788K 0.03% 304
2022
Q2 		$2.17M Sell
10,648
-131
-1% -$26.8K 0.04% 275
2022
Q1 		$2.27M Buy
10,779
+584
+6% +$127K 0.03% 309
2021
Q4 		$2.45M Buy
10,195
+841
+9% +$216K 0.03% 291
2021
Q3 		$2.65M Sell
9,354
-1,526
-14% -$500K 0.04% 258
2021
Q2 		$3.77M Sell
10,880
-5,193
-32% -$1.57M 0.06% 192
2021
Q1 		$4.5M Sell
16,073
-1,760
-10% -$475K 0.07% 161
2020
Q4 		$4.51M Buy
+17,833
New +$4.6M 0.08% 146

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

B. Metzler seel. Sohn & Co's BIIB Position: Q2 2026 in Review

B. Metzler seel. Sohn & Co reduced its Biogen (BIIB) stake by 59% in Q2 2026, selling an estimated $3.34M and leaving 12,258 shares worth $2.65M. The position accounts for 0.02% of the portfolio, ranked #365.

B. Metzler seel. Sohn & Co first reported a position in BIIB in Q4 2020 and has held it in 23 quarters since. The position peaked at $5.45M in Q1 2026. 1,046 funds tracked by Wall St. Rank hold BIIB as of Q2 2026.

  • B. Metzler seel. Sohn & Co held 12,258 shares of Biogen worth $2.65M as of Q2 2026.
  • B. Metzler seel. Sohn & Co sold 17,467 Biogen shares in Q2 2026, an estimated $3.34M.
  • Biogen made up 0.02% of B. Metzler seel. Sohn & Co's portfolio in Q2 2026, its #365 holding.
  • B. Metzler seel. Sohn & Co first reported a position in Biogen in Q4 2020 and has held it in 23 quarters since.
  • B. Metzler seel. Sohn & Co's Biogen position peaked at $5.45M in Q1 2026.
  • 1,046 funds tracked by Wall St. Rank held Biogen as of Q2 2026.

Based on B. Metzler seel. Sohn & Co's 13F filing for Q2 2026, filed 11 Aug 2026.