Principal 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
Q2
$39.9M Sell
184,450
-2,609
-1% -$499K 0.02% 614
2026
Q1
$34.3M Buy
187,059
+2,870
+2% +$529K 0.02% 621
2025
Q4
$32.4M Buy
184,189
+26,347
+17% +$4.3M 0.02% 626
2025
Q3
$22.1M Sell
157,842
-1,919
-1% -$259K 0.01% 810
2025
Q2
$20.1M Sell
159,761
-5,075
-3% -$632K 0.01% 839
2025
Q1
$22.6M Buy
164,836
+136
+0.1% +$19.4K 0.01% 747
2024
Q4
$25.2M Sell
164,700
-3,931
-2% -$663K 0.01% 725
2024
Q3
$32.7M Buy
168,631
+5,270
+3% +$1.1M 0.02% 609
2024
Q2
$37.9M Sell
163,361
-3,241
-2% -$704K 0.02% 552
2024
Q1
$35.9M Buy
166,602
+2,069
+1% +$485K 0.02% 602
2023
Q4
$42.6M Sell
164,533
-3,142
-2% -$772K 0.03% 499
2023
Q3
$43.1M Sell
167,675
-2,535
-1% -$678K 0.03% 458
2023
Q2
$48.5M Sell
170,210
-6,167
-3% -$1.84M 0.03% 431
2023
Q1
$49M Buy
176,377
+3,490
+2% +$966K 0.04% 427
2022
Q4
$47.9M Sell
172,887
-7,845
-4% -$2.22M 0.04% 424
2022
Q3
$48.3M Sell
180,732
-3,563
-2% -$757K 0.04% 389
2022
Q2
$37.6M Buy
184,295
+13,659
+8% +$2.79M 0.03% 511
2022
Q1
$35.9M Sell
170,636
-1,926
-1% -$419K 0.02% 577
2021
Q4
$41.4M Sell
172,562
-6,952
-4% -$1.79M 0.02% 531
2021
Q3
$50.8M Buy
179,514
+561
+0.3% +$184K 0.03% 428
2021
Q2
$62M Sell
178,953
-1,605
-0.9% -$486K 0.04% 378
2021
Q1
$50.5M Sell
180,558
-17,832
-9% -$4.81M 0.04% 413
2020
Q4
$48.6M Sell
198,390
-20,248
-9% -$5.22M 0.04% 388
2020
Q3
$62M Sell
218,638
-19,843
-8% -$5.53M 0.05% 309
2020
Q2
$63.8M Sell
238,481
-15,121
-6% -$4.55M 0.06% 303
2020
Q1
$80.2M Sell
253,602
-19,219
-7% -$5.83M 0.09% 243
2019
Q4
$81M Sell
272,821
-13,414
-5% -$3.72M 0.07% 304
2019
Q3
$66.6M Sell
286,235
-13,919
-5% -$3.24M 0.06% 329
2019
Q2
$70.2M Sell
300,154
-45,845
-13% -$10.6M 0.06% 311
2019
Q1
$81.8M Sell
345,999
-82,647
-19% -$26M 0.08% 280
2018
Q4
$129M Sell
428,646
-15,271
-3% -$4.87M 0.14% 182
2018
Q3
$157M Buy
443,917
+37,205
+9% +$12.8M 0.14% 179
2018
Q2
$118M Sell
406,712
-1,788
-0.4% -$503K 0.11% 221
2018
Q1
$112M Sell
408,500
-26,861
-6% -$8.34M 0.11% 230
2017
Q4
$139M Sell
435,361
-17,175
-4% -$5.51M 0.13% 213
2017
Q3
$142M Buy
452,536
+37,715
+9% +$11.2M 0.14% 187
2017
Q2
$113M Buy
414,821
+44,154
+12% +$11.7M 0.11% 228
2017
Q1
$101M Buy
370,667
+34,113
+10% +$9.65M 0.12% 183
2016
Q4
$95.4M Buy
336,554
+3,325
+1% +$986K 0.12% 183
2016
Q3
$104M Buy
333,229
+15,079
+5% +$4.47M 0.14% 161
2016
Q2
$76.9M Buy
318,150
+6,999
+2% +$1.84M 0.11% 204
2016
Q1
$81M Buy
311,151
+2,170
+0.7% +$573K 0.12% 195
2015
Q4
$94.7M Sell
308,981
-62,903
-17% -$18.1M 0.14% 176
2015
Q3
$109M Buy
371,884
+53,771
+17% +$17.8M 0.17% 159
2015
Q2
$128M Buy
318,113
+6,086
+2% +$2.44M 0.19% 142
2015
Q1
$132M Sell
312,027
-25,710
-8% -$10.1M 0.2% 153
2014
Q4
$115M Buy
337,737
+896
+0.3% +$290K 0.18% 160
2014
Q3
$111M Buy
336,841
+31,376
+10% +$10.3M 0.19% 144
2014
Q2
$96.3M Sell
305,465
-38,918
-11% -$11.7M 0.16% 167
2014
Q1
$105M Sell
344,383
-10,491
-3% -$3.33M 0.19% 141
2013
Q4
$99.3M Sell
354,874
-62,514
-15% -$16.2M 0.19% 148
2013
Q3
$100M Buy
417,388
+108,996
+35% +$24.4M 0.21% 125
2013
Q2
$66.4M Buy
+308,392
New +$65.9M 0.15% 186

Other funds holding BIIB

Principal Financial Group's BIIB Position: Q2 2026 in Review

Principal Financial Group reduced its Biogen (BIIB) stake by 1.4% in Q2 2026, selling an estimated $499K and leaving 184,450 shares worth $39.9M. The position accounts for 0.02% of the portfolio, ranked #614.

Principal Financial Group first reported a position in BIIB in Q2 2013 and has held it in 53 quarters since. The position peaked at $157M in Q3 2018. 1,046 funds tracked by Wall St. Rank hold BIIB as of Q2 2026.

  • Principal Financial Group held 184,450 shares of Biogen worth $39.9M as of Q2 2026.
  • Principal Financial Group sold 2,609 Biogen shares in Q2 2026, an estimated $499K.
  • Biogen made up 0.02% of Principal Financial Group's portfolio in Q2 2026, its #614 holding.
  • Principal Financial Group first reported a position in Biogen in Q2 2013 and has held it in 53 quarters since.
  • Principal Financial Group's Biogen position peaked at $157M in Q3 2018.
  • 1,046 funds tracked by Wall St. Rank held Biogen as of Q2 2026.

Based on Principal Financial Group's 13F filing for Q2 2026, filed 4 Aug 2026.