KeyBank National Association’s Biogen BIIB Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q2
$1.68M Sell
7,775
-1,059
-12% -$203K 0.01% 519
2026
Q1
$1.62M Buy
8,834
+416
+5% +$76.7K 0.01% 494
2025
Q4
$1.48M Buy
8,418
+164
+2% +$26.8K 0.01% 502
2025
Q3
$1.16M Buy
8,254
+161
+2% +$21.8K ﹤0.01% 552
2025
Q2
$1.02M Buy
8,093
+582
+8% +$72.5K ﹤0.01% 570
2025
Q1
$1.03M Sell
7,511
-122
-2% -$17.4K ﹤0.01% 547
2024
Q4
$1.17M Sell
7,633
-106
-1% -$17.9K ﹤0.01% 530
2024
Q3
$1.5M Sell
7,739
-182
-2% -$38.1K 0.01% 467
2024
Q2
$1.84M Buy
7,921
+98
+1% +$21.3K 0.01% 427
2024
Q1
$1.69M Sell
7,823
-2,515
-24% -$589K 0.01% 432
2023
Q4
$2.68M Sell
10,338
-782
-7% -$192K 0.01% 355
2023
Q3
$2.86M Buy
11,120
+72
+0.7% +$19.3K 0.01% 327
2023
Q2
$3.15M Buy
11,048
+118
+1% +$35.1K 0.01% 319
2023
Q1
$3.04M Buy
10,930
+621
+6% +$172K 0.01% 320
2022
Q4
$2.85M Buy
10,309
+1,635
+19% +$462K 0.01% 326
2022
Q3
$2.32M Sell
8,674
-541
-6% -$115K 0.01% 338
2022
Q2
$1.88M Buy
9,215
+79
+0.9% +$16.1K 0.01% 367
2022
Q1
$1.92M Sell
9,136
-674
-7% -$147K 0.01% 380
2021
Q4
$2.35M Sell
9,810
-718
-7% -$185K 0.01% 368
2021
Q3
$2.98M Sell
10,528
-1,500
-12% -$492K 0.01% 323
2021
Q2
$4.17M Buy
12,028
+1,223
+11% +$370K 0.02% 290
2021
Q1
$3.02M Sell
10,805
-616
-5% -$166K 0.01% 314
2020
Q4
$2.8M Sell
11,421
-1,651
-13% -$426K 0.01% 314
2020
Q3
$3.71M Sell
13,072
-204
-2% -$56.9K 0.02% 281
2020
Q2
$3.55M Sell
13,276
-505
-4% -$152K 0.02% 282
2020
Q1
$4.36M Sell
13,781
-82
-0.6% -$24.9K 0.03% 251
2019
Q4
$4.11M Sell
13,863
-709
-5% -$197K 0.02% 282
2019
Q3
$3.39M Sell
14,572
-1,503
-9% -$350K 0.02% 294
2019
Q2
$3.76M Buy
16,075
+223
+1% +$51.5K 0.02% 292
2019
Q1
$3.75M Sell
15,852
-91
-0.6% -$28.7K 0.02% 282
2018
Q4
$4.8M Buy
15,943
+73
+0.5% +$23.3K 0.03% 253
2018
Q3
$5.61M Sell
15,870
-840
-5% -$289K 0.03% 247
2018
Q2
$4.85M Sell
16,710
-1,244
-7% -$350K 0.03% 258
2018
Q1
$4.92M Buy
17,954
+3,140
+21% +$975K 0.03% 260
2017
Q4
$4.72M Sell
14,814
-676
-4% -$217K 0.03% 256
2017
Q3
$4.85M Buy
15,490
+1,870
+14% +$554K 0.03% 254
2017
Q2
$3.7M Sell
13,620
-805
-6% -$213K 0.02% 274
2017
Q1
$3.94M Sell
14,425
-633
-4% -$179K 0.02% 272
2016
Q4
$4.27M Buy
15,058
+1,005
+7% +$298K 0.03% 265
2016
Q3
$4.4M Buy
14,053
+3,318
+31% +$983K 0.03% 265
2016
Q2
$2.6M Sell
10,735
-78
-0.7% -$20.6K 0.02% 300
2016
Q1
$2.81M Buy
10,813
+18
+0.2% +$4.75K 0.02% 291
2015
Q4
$3.31M Sell
10,795
-1,311
-11% -$377K 0.02% 281
2015
Q3
$3.53M Sell
12,106
-81
-0.7% -$26.7K 0.03% 283
2015
Q2
$4.92M Sell
12,187
-556
-4% -$223K 0.03% 263
2015
Q1
$5.38M Sell
12,743
-375
-3% -$148K 0.04% 259
2014
Q4
$4.45M Sell
13,118
-1,425
-10% -$461K 0.03% 279
2014
Q3
$4.81M Sell
14,543
-3,045
-17% -$1M 0.03% 273
2014
Q2
$5.55M Sell
17,588
-908
-5% -$273K 0.04% 253
2014
Q1
$5.66M Sell
18,496
-839
-4% -$266K 0.04% 249
2013
Q4
$5.41M Sell
19,335
-72
-0.4% -$18.6K 0.04% 246
2013
Q3
$4.67M Sell
19,407
-246,809
-93% -$55.2M 0.03% 260
2013
Q2
$58.2M Buy
+266,216
New +$56.9M 0.21% 102

Other funds holding BIIB

KeyBank National Association's BIIB Position: Q2 2026 in Review

KeyBank National Association reduced its Biogen (BIIB) stake by 12% in Q2 2026, selling an estimated $203K and leaving 7,775 shares worth $1.68M. The position accounts for 0.01% of the portfolio, ranked #519.

KeyBank National Association first reported a position in BIIB in Q2 2013 and has held it in 53 quarters since. The position peaked at $58.2M in Q2 2013. 1,036 funds tracked by Wall St. Rank hold BIIB as of Q2 2026.

  • KeyBank National Association held 7,775 shares of Biogen worth $1.68M as of Q2 2026.
  • KeyBank National Association sold 1,059 Biogen shares in Q2 2026, an estimated $203K.
  • Biogen made up 0.01% of KeyBank National Association's portfolio in Q2 2026, its #519 holding.
  • KeyBank National Association first reported a position in Biogen in Q2 2013 and has held it in 53 quarters since.
  • KeyBank National Association's Biogen position peaked at $58.2M in Q2 2013.
  • 1,036 funds tracked by Wall St. Rank held Biogen as of Q2 2026.

Based on KeyBank National Association's 13F filing for Q2 2026, filed 28 Jul 2026.