Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q2
$1.93M Sell
8,918
-801
-8% -$153K 0.03% 333
2026
Q1
$1.78M Sell
9,719
-5,149
-35% -$949K 0.03% 338
2025
Q4
$2.62M Sell
14,868
-5,412
-27% -$884K 0.04% 287
2025
Q3
$2.84M Sell
20,280
-1,131
-5% -$153K 0.04% 286
2025
Q2
$2.69M Sell
21,411
-1,251
-6% -$156K 0.04% 298
2025
Q1
$3.1M Buy
22,662
+1,810
+9% +$259K 0.05% 263
2024
Q4
$3.1M Sell
20,852
-3,357
-14% -$566K 0.05% 263
2024
Q3
$4.47M Sell
24,209
-619
-2% -$130K 0.08% 214
2024
Q2
$5.76M Sell
24,828
-970
-4% -$211K 0.1% 181
2024
Q1
$5.54M Sell
25,798
-8,556
-25% -$2M 0.1% 196
2023
Q4
$8.89M Sell
34,354
-8,607
-20% -$2.11M 0.17% 129
2023
Q3
$10.2M Buy
42,961
+15,583
+57% +$4.17M 0.22% 97
2023
Q2
$7.8M Buy
27,378
+5,424
+25% +$1.61M 0.16% 142
2023
Q1
$6.1M Sell
21,954
-6,894
-24% -$1.91M 0.13% 170
2022
Q4
$7.99M Buy
28,848
+147
+0.5% +$41.5K 0.15% 143
2022
Q3
$7.66M Buy
28,701
+9,421
+49% +$2M 0.16% 140
2022
Q2
$3.93M Sell
19,280
-72
-0.4% -$14.7K 0.08% 237
2022
Q1
$4.08M Sell
19,352
-20
-0.1% -$4.35K 0.07% 263
2021
Q4
$4.65M Sell
19,372
-7,135
-27% -$1.83M 0.07% 252
2021
Q3
$7.5M Buy
+26,507
New +$8.69M 0.13% 172
2021
Q1
$5.34M Sell
19,088
-1,509
-7% -$407K 0.1% 202
2020
Q4
$5.04M Buy
20,597
+4,546
+28% +$1.17M 0.1% 202
2020
Q3
$4.55M Buy
16,051
+4,806
+43% +$1.34M 0.1% 198
2020
Q2
$3.01M Buy
11,245
+7,629
+211% +$2.29M 0.07% 254
2020
Q1
$1.14M Buy
3,616
+644
+22% +$195K 0.03% 395
2019
Q4
$882K Sell
2,972
-378
-11% -$105K 0.02% 544
2019
Q3
$780K Sell
3,350
-2,309
-41% -$538K 0.02% 564
2019
Q2
$1.32M Sell
5,659
-504
-8% -$116K 0.03% 427
2019
Q1
$1.46M Sell
6,163
-8,282
-57% -$2.61M 0.03% 404
2018
Q4
$4.35M Sell
14,445
-1,497
-9% -$478K 0.12% 184
2018
Q3
$5.63M Sell
15,942
-3,708
-19% -$1.28M 0.14% 182
2018
Q2
$5.7M Buy
19,650
+2,996
+18% +$842K 0.15% 160
2018
Q1
$4.56M Buy
16,654
+1,141
+7% +$354K 0.13% 186
2017
Q4
$4.94M Sell
15,513
-10
-0.1% -$3.21K 0.14% 177
2017
Q3
$4.86M Buy
15,523
+217
+1% +$64.3K 0.14% 168
2017
Q2
$4.15M Sell
15,306
-784
-5% -$207K 0.13% 185
2017
Q1
$4.4M Sell
16,090
-387
-2% -$109K 0.14% 173
2016
Q4
$4.67M Buy
16,477
+2,505
+18% +$743K 0.15% 151
2016
Q3
$4.37M Buy
13,972
+5,923
+74% +$1.75M 0.14% 161
2016
Q2
$1.95M Sell
8,049
-1,517
-16% -$400K 0.07% 305
2016
Q1
$2.49M Sell
9,566
-8,417
-47% -$2.22M 0.09% 262
2015
Q4
$5.51M Sell
17,983
-4,858
-21% -$1.4M 0.2% 125
2015
Q3
$6.67M Sell
22,841
-12,389
-35% -$4.09M 0.25% 92
2015
Q2
$14.2M Buy
35,230
+13,967
+66% +$5.61M 0.48% 42
2015
Q1
$8.98M Buy
21,263
+1,117
+6% +$440K 0.3% 80
2014
Q4
$6.84M Buy
20,146
+1,757
+10% +$568K 0.24% 105
2014
Q3
$6.08M Buy
18,389
+5,140
+39% +$1.69M 0.2% 110
2014
Q2
$4.18M Buy
13,249
+525
+4% +$158K 0.13% 173
2014
Q1
$3.89M Sell
12,724
-711
-5% -$226K 0.13% 177
2013
Q4
$3.76M Buy
13,435
+900
+7% +$233K 0.13% 181
2013
Q3
$3.02M Sell
12,535
-3,762
-23% -$842K 0.11% 202
2013
Q2
$3.51M Buy
+16,297
New +$3.48M 0.13% 163

Other funds holding BIIB

BOK Financial's BIIB Position: Q2 2026 in Review

BOK Financial reduced its Biogen (BIIB) stake by 8.2% in Q2 2026, selling an estimated $153K and leaving 8,918 shares worth $1.93M. The position accounts for 0.03% of the portfolio, ranked #333.

BOK Financial first reported a position in BIIB in Q2 2013 and has held it in 52 quarters since. The position peaked at $14.2M in Q2 2015. 1,036 funds tracked by Wall St. Rank hold BIIB as of Q2 2026.

  • BOK Financial held 8,918 shares of Biogen worth $1.93M as of Q2 2026.
  • BOK Financial sold 801 Biogen shares in Q2 2026, an estimated $153K.
  • Biogen made up 0.03% of BOK Financial's portfolio in Q2 2026, its #333 holding.
  • BOK Financial first reported a position in Biogen in Q2 2013 and has held it in 52 quarters since.
  • BOK Financial's Biogen position peaked at $14.2M in Q2 2015.
  • 1,036 funds tracked by Wall St. Rank held Biogen as of Q2 2026.

Based on BOK Financial's 13F filing for Q2 2026, filed 10 Aug 2026.