Nissay Asset Management’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
$5.46M Buy
29,762
+3,476
+13% +$640K 0.03% 302
2025
Q4
$4.63M Sell
26,286
-19,186
-42% -$3.13M 0.02% 331
2025
Q3
$6.37M Buy
45,472
+654
+1% +$88.4K 0.04% 279
2025
Q2
$5.63M Sell
44,818
-2,386
-5% -$297K 0.03% 302
2025
Q1
$6.46M Buy
47,204
+3,325
+8% +$475K 0.04% 273
2024
Q4
$6.64M Buy
43,879
+1,379
+3% +$233K 0.04% 272
2024
Q3
$8.24M Buy
42,500
+2,592
+6% +$542K 0.05% 240
2024
Q2
$9.25M Buy
39,908
+7,563
+23% +$1.64M 0.06% 197
2024
Q1
$6.97M Buy
32,345
+12,901
+66% +$3.02M 0.05% 237
2023
Q4
$5.03M Buy
19,444
+1,763
+10% +$433K 0.04% 251
2023
Q3
$4.54M Buy
17,681
+1,319
+8% +$353K 0.04% 256
2023
Q2
$4.66M Sell
16,362
-51
-0.3% -$15.2K 0.04% 251
2023
Q1
$4.56M Sell
16,413
-617
-4% -$171K 0.04% 251
2022
Q4
$4.72M Sell
17,030
-202
-1% -$57.1K 0.05% 240
2022
Q3
$4.6M Buy
17,232
+566
+3% +$120K 0.05% 223
2022
Q2
$3.4M Buy
16,666
+54
+0.3% +$11K 0.03% 289
2022
Q1
$3.5M Buy
16,612
+162
+1% +$35.2K 0.03% 332
2021
Q4
$3.95M Sell
16,450
-974
-6% -$250K 0.03% 324
2021
Q3
$4.93M Buy
17,424
+367
+2% +$120K 0.04% 249
2021
Q2
$5.91M Sell
17,057
-1,510
-8% -$457K 0.05% 212
2021
Q1
$5.19M Sell
18,567
-749
-4% -$202K 0.05% 213
2020
Q4
$4.73M Sell
19,316
-947
-5% -$244K 0.07% 203
2020
Q3
$5.75M Sell
20,263
-4,268
-17% -$1.19M 0.1% 172
2020
Q2
$6.56M Sell
24,531
-97
-0.4% -$29.2K 0.13% 164
2020
Q1
$7.79M Buy
24,628
+50
+0.2% +$15.2K 0.2% 114
2019
Q4
$7.29M Sell
24,578
-1,551
-6% -$430K 0.16% 154
2019
Q3
$6.08M Buy
26,129
+693
+3% +$161K 0.15% 162
2019
Q2
$5.95M Sell
25,436
-389
-2% -$89.8K 0.15% 159
2019
Q1
$6.11M Sell
25,825
-601
-2% -$189K 0.16% 157
2018
Q4
$7.95M Sell
26,426
-805
-3% -$257K 0.24% 95
2018
Q3
$9.62M Buy
27,231
+483
+2% +$166K 0.26% 93
2018
Q2
$7.76M Buy
26,748
+1,543
+6% +$434K 0.23% 110
2018
Q1
$6.9M Sell
25,205
-982
-4% -$305K 0.22% 115
2017
Q4
$8.34M Buy
+26,187
New +$8.4M 0.25% 97

Other funds holding BIIB

Nissay Asset Management's BIIB Position: Q1 2026 in Review

Nissay Asset Management increased its Biogen (BIIB) stake by 13% in Q1 2026, buying an estimated $640K and bringing the position to 29,762 shares worth $5.46M. The position accounts for 0.03% of the portfolio, ranked #302.

Nissay Asset Management first reported a position in BIIB in Q4 2017 and has held it in 34 quarters since. The position peaked at $9.62M in Q3 2018. 1,002 funds tracked by Wall St. Rank hold BIIB as of Q1 2026.

  • Nissay Asset Management held 29,762 shares of Biogen worth $5.46M as of Q1 2026.
  • Nissay Asset Management bought 3,476 Biogen shares in Q1 2026, an estimated $640K.
  • Biogen made up 0.03% of Nissay Asset Management's portfolio in Q1 2026, its #302 holding.
  • Nissay Asset Management first reported a position in Biogen in Q4 2017 and has held it in 34 quarters since.
  • Nissay Asset Management's Biogen position peaked at $9.62M in Q3 2018.
  • 1,002 funds tracked by Wall St. Rank held Biogen as of Q1 2026.

Based on Nissay Asset Management's 13F filing for Q1 2026, filed 15 May 2026.