Baird Financial Group’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
$772K Sell
4,213
-5,478
-57% -$1.01M ﹤0.01% 1339
2025
Q4
$1.71M Sell
9,691
-3,057
-24% -$499K ﹤0.01% 1093
2025
Q3
$1.79M Buy
12,748
+8,075
+173% +$1.09M ﹤0.01% 1090
2025
Q2
$587K Sell
4,673
-5,010
-52% -$624K ﹤0.01% 1368
2025
Q1
$1.33M Buy
9,683
+1,023
+12% +$146K ﹤0.01% 1089
2024
Q4
$1.32M Sell
8,660
-20,782
-71% -$3.51M ﹤0.01% 1094
2024
Q3
$5.71M Buy
29,442
+2,858
+11% +$598K 0.01% 637
2024
Q2
$6.16M Buy
26,584
+5,381
+25% +$1.17M 0.01% 609
2024
Q1
$4.57M Sell
21,203
-28,066
-57% -$6.57M 0.01% 686
2023
Q4
$12.7M Buy
49,269
+317
+0.6% +$77.9K 0.03% 415
2023
Q3
$12.6M Sell
48,952
-2,511
-5% -$672K 0.03% 383
2023
Q2
$14.7M Sell
51,463
-1,457
-3% -$434K 0.04% 361
2023
Q1
$14.7M Sell
52,920
-1,821
-3% -$504K 0.04% 356
2022
Q4
$15.2M Sell
54,741
-12,784
-19% -$3.61M 0.04% 344
2022
Q3
$18M Sell
67,525
-7,647
-10% -$1.62M 0.05% 305
2022
Q2
$15.3M Sell
75,172
-14,550
-16% -$2.97M 0.04% 354
2022
Q1
$18.9M Buy
89,722
+11,882
+15% +$2.58M 0.05% 320
2021
Q4
$18.7M Buy
77,840
+3,823
+5% +$983K 0.04% 328
2021
Q3
$20.9M Buy
74,017
+15,862
+27% +$5.2M 0.05% 297
2021
Q2
$20.1M Sell
58,155
-14,821
-20% -$4.49M 0.05% 302
2021
Q1
$20.4M Sell
72,976
-1,564
-2% -$422K 0.06% 293
2020
Q4
$18.3M Buy
74,540
+13,159
+21% +$3.39M 0.05% 304
2020
Q3
$17.4M Buy
61,381
+5,367
+10% +$1.5M 0.06% 287
2020
Q2
$15M Buy
56,014
+25,679
+85% +$7.72M 0.06% 285
2020
Q1
$9.6M Sell
30,335
-11,357
-27% -$3.45M 0.04% 329
2019
Q4
$12.4M Sell
41,692
-18,706
-31% -$5.19M 0.04% 345
2019
Q3
$14.1M Sell
60,398
-16,964
-22% -$3.95M 0.06% 298
2019
Q2
$18.1M Sell
77,362
-3,998
-5% -$923K 0.07% 267
2019
Q1
$19.2M Sell
81,360
-61,495
-43% -$19.4M 0.11% 219
2018
Q4
$43M Buy
142,855
+658
+0.5% +$210K 0.29% 91
2018
Q3
$50.1M Sell
142,197
-8,311
-6% -$2.86M 0.31% 85
2018
Q2
$43.7M Sell
150,508
-1,788
-1% -$503K 0.3% 93
2018
Q1
$41.7M Buy
152,296
+9,269
+6% +$2.88M 0.29% 97
2017
Q4
$45.6M Buy
143,027
+3,954
+3% +$1.27M 0.32% 93
2017
Q3
$43.5M Buy
139,073
+1,091
+0.8% +$323K 0.33% 89
2017
Q2
$37.4M Sell
137,982
-1,189
-0.9% -$314K 0.29% 109
2017
Q1
$38.1M Buy
139,171
+36,975
+36% +$10.5M 0.31% 94
2016
Q4
$29M Buy
102,196
+7,172
+8% +$2.13M 0.25% 123
2016
Q3
$29.7M Buy
95,024
+43
+0% +$12.7K 0.27% 106
2016
Q2
$23.8M Buy
94,981
+22,894
+32% +$6.03M 0.22% 134
2016
Q1
$18.8M Buy
72,087
+13,409
+23% +$3.54M 0.18% 160
2015
Q4
$18M Sell
58,678
-3,615
-6% -$1.04M 0.18% 159
2015
Q3
$18.2M Buy
62,293
+41,162
+195% +$13.6M 0.19% 147
2015
Q2
$8.54M Buy
+21,131
New +$8.48M 0.08% 238

Other funds holding BIIB

Baird Financial Group's BIIB Position: Q1 2026 in Review

Baird Financial Group reduced its Biogen (BIIB) stake by 57% in Q1 2026, selling an estimated $1.01M and leaving 4,213 shares worth $772K. The position accounts for ﹤0.01% of the portfolio, ranked #1339.

Baird Financial Group first reported a position in BIIB in Q2 2015 and has held it in 44 quarters since. The position peaked at $50.1M in Q3 2018. 1,002 funds tracked by Wall St. Rank hold BIIB as of Q1 2026.

  • Baird Financial Group held 4,213 shares of Biogen worth $772K as of Q1 2026.
  • Baird Financial Group sold 5,478 Biogen shares in Q1 2026, an estimated $1.01M.
  • Biogen made up ﹤0.01% of Baird Financial Group's portfolio in Q1 2026, its #1339 holding.
  • Baird Financial Group first reported a position in Biogen in Q2 2015 and has held it in 44 quarters since.
  • Baird Financial Group's Biogen position peaked at $50.1M in Q3 2018.
  • 1,002 funds tracked by Wall St. Rank held Biogen as of Q1 2026.

Based on Baird Financial Group's 13F filing for Q1 2026, filed 14 May 2026.