Skandinaviska Enskilda Banken (SEB)
BIIB icon

Skandinaviska Enskilda Banken (SEB)’s Biogen BIIB Stock Holding History

Skandinaviska Enskilda Banken (SEB)’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 		– Sell
-28,748
Closed -$5.06M – 228
2025
Q4 		$5.06M Sell
28,748
-335
-1% -$54.7K 0.02% 421
2025
Q3 		$4.07M Sell
29,083
-38,148
-57% -$5.16M 0.02% 450
2025
Q2 		$8.45M Buy
67,231
+20,500
+44% +$2.55M 0.04% 324
2025
Q1 		$6.39M Buy
46,731
+3,684
+9% +$527K 0.03% 362
2024
Q4 		$6.47M Sell
43,047
-14,072
-25% -$2.37M 0.03% 365
2024
Q3 		$11.1M Sell
57,119
-25,906
-31% -$5.42M 0.05% 257
2024
Q2 		$19.3M Sell
83,025
-2,570
-3% -$559K 0.09% 178
2024
Q1 		$18.5M Sell
85,595
-100
-0.1% -$23.4K 0.09% 193
2023
Q4 		$22.2M Buy
85,695
+1,714
+2% +$421K 0.13% 154
2023
Q3 		$21.6M Sell
83,981
-4,520
-5% -$1.21M 0.14% 147
2023
Q2 		$25.2M Buy
88,501
+7,927
+10% +$2.36M 0.17% 125
2023
Q1 		$22.4M Sell
80,574
-1,488
-2% -$412K 0.16% 142
2022
Q4 		$22.7M Sell
82,062
-5,148
-6% -$1.45M 0.17% 141
2022
Q3 		$23.3M Sell
87,210
-7,703
-8% -$1.64M 0.18% 119
2022
Q2 		$19.4M Buy
94,913
+7,091
+8% +$1.45M 0.14% 149
2022
Q1 		$18.5M Sell
87,822
-13,077
-13% -$2.84M 0.11% 178
2021
Q4 		$24.2M Sell
100,899
-20,850
-17% -$5.36M 0.12% 153
2021
Q3 		$34.4M Sell
121,749
-69,298
-36% -$22.7M 0.19% 118
2021
Q2 		$66.2M Buy
191,047
+46,045
+32% +$13.9M 0.41% 52
2021
Q1 		$40.6M Sell
145,002
-165,906
-53% -$44.7M 0.27% 85
2020
Q4 		$76.1M Sell
310,908
-17,748
-5% -$4.58M 0.52% 37
2020
Q3 		$93.2M Buy
328,656
+10,563
+3% +$2.95M 0.68% 32
2020
Q2 		$85.1M Buy
318,093
+9,668
+3% +$2.91M 0.69% 33
2020
Q1 		$97.6M Sell
308,425
-57,202
-16% -$17.4M 0.99% 21
2019
Q4 		$108M Sell
365,627
-89,662
-20% -$24.9M 0.85% 27
2019
Q3 		$106M Buy
455,289
+86,230
+23% +$20.1M 0.9% 27
2019
Q2 		$86.3M Buy
369,059
+75,661
+26% +$17.5M 0.74% 29
2019
Q1 		$69.4M Buy
293,398
+34,333
+13% +$10.8M 0.63% 39
2018
Q4 		$78M Sell
259,065
-8,710
-3% -$2.78M 0.7% 34
2018
Q3 		$94.6M Buy
267,775
+24,097
+10% +$8.3M 0.72% 32
2018
Q2 		$70.7M Sell
243,678
-17,114
-7% -$4.81M 0.6% 42
2018
Q1 		$71.4M Sell
260,792
-3,307
-1% -$1.03M 0.69% 36
2017
Q4 		$84.1M Buy
264,099
+65,693
+33% +$21.1M 0.72% 35
2017
Q3 		$62.1M Buy
198,406
+700
+0.4% +$207K 0.56% 45
2017
Q2 		$53.6M Sell
197,706
-67,967
-26% -$18M 0.52% 47
2017
Q1 		$72.6M Buy
265,673
+56,767
+27% +$16.1M 0.73% 35
2016
Q4 		$54.6M Sell
208,906
-115,594
-36% -$34.3M 0.66% 34
2016
Q3 		$102M Buy
324,500
+61,400
+23% +$18.2M 1.1% 22
2016
Q2 		$63.6M Sell
263,100
-16,100
-6% -$4.24M 0.71% 28
2016
Q1 		$72.7M Buy
279,200
+66,792
+31% +$17.6M 0.82% 28
2015
Q4 		$65.5M Buy
+212,408
New +$61M 0.85% 23

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

Skandinaviska Enskilda Banken (SEB)'s BIIB Position: Q1 2026 in Review

Skandinaviska Enskilda Banken (SEB) sold out of Biogen (BIIB) in Q1 2026, closing a stake of 28,748 shares — an estimated $5.06M sold.

Skandinaviska Enskilda Banken (SEB) first reported a position in BIIB in Q4 2015 and held it in 41 quarters. The position peaked at $108M in Q4 2019. 1,004 funds tracked by Wall St. Rank hold BIIB as of Q1 2026.

  • Skandinaviska Enskilda Banken (SEB) reported no remaining Biogen position as of Q1 2026 after selling out during the quarter.
  • Skandinaviska Enskilda Banken (SEB) sold 28,748 Biogen shares in Q1 2026, an estimated $5.06M.
  • Skandinaviska Enskilda Banken (SEB) first reported a position in Biogen in Q4 2015 and held it in 41 quarters.
  • Skandinaviska Enskilda Banken (SEB)'s Biogen position peaked at $108M in Q4 2019.
  • 1,004 funds tracked by Wall St. Rank held Biogen as of Q1 2026.

Based on Skandinaviska Enskilda Banken (SEB)'s 13F filing for Q1 2026, filed 15 May 2026.