Nomura Holdings’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
$3.07M Sell
16,730
-130,531
-89% -$24.1M 0.01% 793
2025
Q4
$25.9M Buy
147,261
+24,359
+20% +$3.98M 0.03% 261
2025
Q3
$17.2M Buy
122,902
+2,087
+2% +$282K 0.03% 353
2025
Q2
$15.2M Sell
120,815
-92,955
-43% -$11.6M 0.03% 313
2025
Q1
$29.3M Sell
213,770
-5,110
-2% -$731K 0.05% 227
2024
Q4
$33.5M Buy
218,880
+209,613
+2,262% +$35.4M 0.05% 208
2024
Q3
$1.8M Buy
+9,267
New +$1.94M ﹤0.01% 973
2024
Q1
Sell
-2,924
Closed -$685K 1644
2023
Q4
$757K Buy
+2,924
New +$718K ﹤0.01% 1256
2023
Q3
Sell
-2,769
Closed -$789K 1384
2023
Q2
$789K Buy
+2,769
New +$824K ﹤0.01% 959
2023
Q1
Sell
-18,505
Closed -$5.05M 1467
2022
Q4
$5.05M Buy
18,505
+777
+4% +$219K 0.02% 493
2022
Q3
$4.68M Buy
17,728
+2,461
+16% +$523K 0.02% 575
2022
Q2
$3.28M Sell
15,267
-2,604
-15% -$532K 0.01% 658
2022
Q1
$3.84M Sell
17,871
-15,356
-46% -$3.34M 0.01% 708
2021
Q4
$7.99M Buy
33,227
+19,793
+147% +$5.09M 0.02% 556
2021
Q3
$3.9M Sell
13,434
-31,611
-70% -$10.4M 0.01% 708
2021
Q2
$16.1M Buy
45,045
+44,689
+12,553% +$13.5M 0.04% 250
2021
Q1
$100K Sell
356
-33,590
-99% -$9.06M ﹤0.01% 1705
2020
Q4
$8.31M Buy
33,946
+32,148
+1,788% +$8.29M 0.01% 473
2020
Q3
$507K Sell
1,798
-53,592
-97% -$14.9M ﹤0.01% 1000
2020
Q2
$15M Buy
55,390
+48,933
+758% +$14.7M 0.05% 219
2020
Q1
$2.02M Sell
6,457
-69,197
-91% -$21M 0.01% 461
2019
Q4
$21.9M Sell
75,654
-140,333
-65% -$38.9M 0.08% 184
2019
Q3
$49.5M Buy
215,987
+158,593
+276% +$36.9M 0.19% 92
2019
Q2
$13.5M Buy
57,394
+18,778
+49% +$4.34M 0.06% 262
2019
Q1
$8.91M Buy
38,616
+13,735
+55% +$4.32M 0.04% 326
2018
Q4
$7.59M Sell
24,881
-41,492
-63% -$13.2M 0.03% 386
2018
Q3
$23.3M Buy
66,373
+49,412
+291% +$17M 0.08% 209
2018
Q2
$4.92M Sell
16,961
-3,733
-18% -$1.05M 0.02% 510
2018
Q1
$5.68K Sell
20,694
-5,148
-20% -$1.6M 0.01% 534
2017
Q4
$8.24M Buy
25,842
+13,514
+110% +$4.34M 0.01% 499
2017
Q3
$3.87M Sell
12,328
-5,230
-30% -$1.55M 0.01% 622
2017
Q2
$4.72M Sell
17,558
-18,227
-51% -$4.82M 0.01% 562
2017
Q1
$9.79M Sell
35,785
-18,739
-34% -$5.3M 0.03% 311
2016
Q4
$15.6M Buy
54,524
+53,438
+4,921% +$15.8M 0.04% 265
2016
Q3
$337K Buy
+1,086
New +$322K ﹤0.01% 971
2016
Q2
Sell
-1,893
Closed -$499K 1256
2016
Q1
$487K Sell
1,893
-20,625
-92% -$5.45M ﹤0.01% 888
2015
Q4
$6.9M Sell
22,518
-4,460
-17% -$1.28M 0.02% 327
2015
Q3
$7.9M Buy
26,978
+6,240
+30% +$2.06M 0.03% 277
2015
Q2
$8.31M Buy
20,738
+18,793
+966% +$7.54M 0.02% 295
2015
Q1
$801K Sell
1,945
-18,276
-90% -$7.2M ﹤0.01% 890
2014
Q4
$6.85M Sell
20,221
-3,384
-14% -$1.09M 0.02% 489
2014
Q3
$7.79M Buy
23,605
+14,224
+152% +$4.69M 0.02% 520
2014
Q2
$3.01M Sell
9,381
-39,867
-81% -$12M ﹤0.01% 924
2014
Q1
$15.4M Buy
49,248
+5,806
+13% +$1.84M ﹤0.01% 352
2013
Q4
$12.1M Buy
43,442
+4,981
+13% +$1.29M 0.06% 199
2013
Q3
$9.17M Buy
38,461
+15,340
+66% +$3.43M 0.06% 283
2013
Q2
$5M Buy
+23,121
New +$4.94M 0.04% 319

Other funds holding BIIB

Nomura Holdings's BIIB Position: Q1 2026 in Review

Nomura Holdings reduced its Biogen (BIIB) stake by 89% in Q1 2026, selling an estimated $24.1M and leaving 16,730 shares worth $3.07M. The position accounts for 0.01% of the portfolio, ranked #793.

Nomura Holdings first reported a position in BIIB in Q2 2013 and has held it in 47 quarters since. The position peaked at $49.5M in Q3 2019. 1,002 funds tracked by Wall St. Rank hold BIIB as of Q1 2026.

  • Nomura Holdings held 16,730 shares of Biogen worth $3.07M as of Q1 2026.
  • Nomura Holdings sold 130,531 Biogen shares in Q1 2026, an estimated $24.1M.
  • Biogen made up 0.01% of Nomura Holdings's portfolio in Q1 2026, its #793 holding.
  • Nomura Holdings first reported a position in Biogen in Q2 2013 and has held it in 47 quarters since.
  • Nomura Holdings's Biogen position peaked at $49.5M in Q3 2019.
  • 1,002 funds tracked by Wall St. Rank held Biogen as of Q1 2026.

Based on Nomura Holdings's 13F filing for Q1 2026, filed 15 May 2026.