Sumitomo Life Insurance’s Biogen BIIB Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$307K Buy
1,672
+67
+4% +$12.3K 0.01% 266
2025
Q4
$282K Sell
1,605
-12
-0.7% -$1.96K 0.01% 270
2025
Q3
$227K Sell
1,617
-39
-2% -$5.27K 0.01% 265
2025
Q2
$208K Sell
1,656
-55
-3% -$6.85K 0.01% 263
2025
Q1
$234K Sell
1,711
-19
-1% -$2.72K 0.01% 268
2024
Q4
$265K Sell
1,730
-2,176
-56% -$367K 0.01% 265
2024
Q3
$757K Buy
3,906
+162
+4% +$33.9K 0.01% 224
2024
Q2
$868K Sell
3,744
-461
-11% -$100K 0.02% 198
2024
Q1
$907K Sell
4,205
-186
-4% -$43.6K 0.02% 204
2023
Q4
$1.14M Sell
4,391
-228
-5% -$56K 0.04% 165
2023
Q3
$1.19M Sell
4,619
-61
-1% -$16.3K 0.03% 151
2023
Q2
$1.33M Sell
4,680
-438
-9% -$130K 0.06% 147
2023
Q1
$1.42M Sell
5,118
-52
-1% -$14.4K 0.12% 136
2022
Q4
$1.43M Sell
5,170
-278
-5% -$78.5K 0.11% 131
2022
Q3
$1.46M Sell
5,448
-398
-7% -$84.5K 0.06% 125
2022
Q2
$1.19M Buy
5,846
+192
+3% +$39.3K 0.03% 167
2022
Q1
$1.19M Sell
5,654
-192
-3% -$41.8K 0.03% 187
2021
Q4
$1.4M Sell
5,846
-157
-3% -$40.4K 0.03% 173
2021
Q3
$1.7M Sell
6,003
-254
-4% -$83.2K 0.05% 141
2021
Q2
$2.17M Sell
6,257
-974
-13% -$295K 0.07% 107
2021
Q1
$2.02M Sell
7,231
-299
-4% -$80.6K 0.08% 126
2020
Q4
$1.84M Sell
7,530
-884
-11% -$228K 0.08% 135
2020
Q3
$2.39M Sell
8,414
-439
-5% -$122K 0.11% 98
2020
Q2
$2.37M Sell
8,853
-747
-8% -$225K 0.13% 93
2020
Q1
$3.04M Buy
9,600
+130
+1% +$39.5K 0.22% 64
2019
Q4
$2.81M Buy
9,470
+533
+6% +$148K 0.32% 89
2019
Q3
$2.08M Sell
8,937
-1,142
-11% -$266K 0.27% 109
2019
Q2
$2.36M Buy
10,079
+407
+4% +$94K 0.28% 99
2019
Q1
$2.29M Sell
9,672
-1,121
-10% -$353K 0.31% 102
2018
Q4
$3.25M Buy
10,793
+283
+3% +$90.3K 0.45% 61
2018
Q3
$3.71M Sell
10,510
-178
-2% -$61.3K 0.45% 64
2018
Q2
$3.1M Buy
10,688
+4,340
+68% +$1.22M 0.38% 81
2018
Q1
$1.74M Sell
6,348
-280
-4% -$86.9K 0.23% 149
2017
Q4
$2.11M Sell
6,628
-321
-5% -$103K 0.26% 125
2017
Q3
$2.18M Sell
6,949
-127
-2% -$37.6K 0.28% 122
2017
Q2
$1.92M Buy
7,076
+330
+5% +$87.3K 0.25% 137
2017
Q1
$1.84M Sell
6,746
-452
-6% -$128K 0.26% 124
2016
Q4
$2.04M Buy
7,198
+160
+2% +$47.4K 0.29% 106
2016
Q3
$2.2M Sell
7,038
-2,599
-27% -$770K 0.33% 93
2016
Q2
$2.33M Sell
9,637
-340
-3% -$89.6K 0.32% 95
2016
Q1
$2.6M Sell
9,977
-301
-3% -$79.5K 0.34% 92
2015
Q4
$3.15M Sell
10,278
-1,149
-10% -$330K 0.4% 73
2015
Q3
$3.33M Buy
11,427
+141
+1% +$46.6K 0.44% 60
2015
Q2
$4.56M Sell
11,286
-984
-8% -$395K 0.56% 42
2015
Q1
$5.18M Sell
12,270
-2,911
-19% -$1.15M 0.57% 42
2014
Q4
$5.15M Sell
15,181
-835
-5% -$270K 0.51% 47
2014
Q3
$5.3M Sell
16,016
-513
-3% -$169K 0.52% 43
2014
Q2
$5.21M Sell
16,529
-3,229
-16% -$972K 0.5% 44
2014
Q1
$6.04M Buy
19,758
+3,109
+19% +$987K 0.59% 40
2013
Q4
$4.66M Sell
16,649
-2,378
-12% -$615K 0.42% 65
2013
Q3
$4.58M Buy
19,027
+1,781
+10% +$399K 0.43% 68
2013
Q2
$3.71M Buy
+17,246
New +$3.69M 0.36% 90

Other funds holding BIIB

Sumitomo Life Insurance's BIIB Position: Q1 2026 in Review

Sumitomo Life Insurance increased its Biogen (BIIB) stake by 4.2% in Q1 2026, buying an estimated $12.3K and bringing the position to 1,672 shares worth $307K. The position accounts for 0.01% of the portfolio, ranked #266.

Sumitomo Life Insurance first reported a position in BIIB in Q2 2013 and has held it in 52 quarters since. The position peaked at $6.04M in Q1 2014. 1,002 funds tracked by Wall St. Rank hold BIIB as of Q1 2026.

  • Sumitomo Life Insurance held 1,672 shares of Biogen worth $307K as of Q1 2026.
  • Sumitomo Life Insurance bought 67 Biogen shares in Q1 2026, an estimated $12.3K.
  • Biogen made up 0.01% of Sumitomo Life Insurance's portfolio in Q1 2026, its #266 holding.
  • Sumitomo Life Insurance first reported a position in Biogen in Q2 2013 and has held it in 52 quarters since.
  • Sumitomo Life Insurance's Biogen position peaked at $6.04M in Q1 2014.
  • 1,002 funds tracked by Wall St. Rank held Biogen as of Q1 2026.

Based on Sumitomo Life Insurance's 13F filing for Q1 2026, filed 12 May 2026.