Mutual of America Capital Management’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
$3.56M Buy
16,455
+799
+5% +$153K 0.03% 565
2026
Q1
$2.87M Sell
15,656
-137
-0.9% -$25.2K 0.03% 614
2025
Q4
$2.78M Sell
15,793
-136
-0.9% -$22.2K 0.03% 661
2025
Q3
$2.23M Sell
15,929
-906
-5% -$122K 0.02% 781
2025
Q2
$2.11M Sell
16,835
-224
-1% -$27.9K 0.02% 805
2025
Q1
$2.33M Sell
17,059
-436
-2% -$62.3K 0.03% 773
2024
Q4
$2.68M Sell
17,495
-3,314
-16% -$559K 0.03% 750
2024
Q3
$4.03M Sell
20,809
-3,174
-13% -$664K 0.04% 571
2024
Q2
$5.56M Sell
23,983
-568
-2% -$123K 0.06% 386
2024
Q1
$5.29M Sell
24,551
-2,499
-9% -$585K 0.06% 442
2023
Q4
$7M Sell
27,050
-92
-0.3% -$22.6K 0.08% 268
2023
Q3
$6.98M Buy
27,142
+2,033
+8% +$544K 0.09% 240
2023
Q2
$7.15M Buy
25,109
+3,624
+17% +$1.08M 0.08% 258
2023
Q1
$5.97M Buy
21,485
+34
+0.2% +$9.41K 0.07% 356
2022
Q4
$5.94M Buy
21,451
+1,377
+7% +$389K 0.07% 356
2022
Q3
$5.36M Buy
20,074
+123
+0.6% +$26.1K 0.07% 364
2022
Q2
$4.07M Buy
19,951
+367
+2% +$75K 0.05% 537
2022
Q1
$4.12M Buy
19,584
+201
+1% +$43.7K 0.04% 642
2021
Q4
$4.65M Sell
19,383
-160
-0.8% -$41.1K 0.05% 605
2021
Q3
$5.53M Sell
19,543
-81
-0.4% -$26.5K 0.05% 466
2021
Q2
$6.79M Sell
19,624
-52
-0.3% -$15.8K 0.07% 372
2021
Q1
$5.5M Buy
19,676
+247
+1% +$66.6K 0.06% 447
2020
Q4
$4.76M Sell
19,429
-1,148
-6% -$296K 0.05% 476
2020
Q3
$5.84M Sell
20,577
-1,401
-6% -$391K 0.08% 300
2020
Q2
$5.88M Sell
21,978
-2,626
-11% -$789K 0.08% 279
2020
Q1
$7.78M Buy
24,604
+305
+1% +$92.6K 0.13% 152
2019
Q4
$7.21M Sell
24,299
-370
-1% -$103K 0.09% 263
2019
Q3
$5.74M Sell
24,669
-1,292
-5% -$301K 0.08% 331
2019
Q2
$6.07M Sell
25,961
-238
-0.9% -$55K 0.09% 295
2019
Q1
$6.19M Sell
26,199
-552
-2% -$174K 0.09% 278
2018
Q4
$8.05M Sell
26,751
-3,048
-10% -$973K 0.13% 143
2018
Q3
$10.5M Buy
29,799
+2,586
+10% +$890K 0.15% 116
2018
Q2
$7.9M Buy
27,213
+69
+0.3% +$19.4K 0.12% 178
2018
Q1
$7.43M Buy
27,144
+846
+3% +$263K 0.11% 202
2017
Q4
$8.38M Buy
26,298
+618
+2% +$198K 0.13% 161
2017
Q3
$8.04M Sell
25,680
-348
-1% -$103K 0.13% 154
2017
Q2
$7.06M Buy
26,028
+40
+0.2% +$10.6K 0.12% 177
2017
Q1
$7.11M Buy
25,988
+329
+1% +$93K 0.13% 170
2016
Q4
$7.28M Buy
25,659
+225
+0.9% +$66.7K 0.14% 149
2016
Q3
$7.96M Sell
25,434
-86
-0.3% -$25.5K 0.16% 109
2016
Q2
$6.17M Sell
25,520
-4,233
-14% -$1.12M 0.13% 166
2016
Q1
$7.75M Buy
29,753
+377
+1% +$99.6K 0.17% 104
2015
Q4
$9M Sell
29,376
-1,177
-4% -$338K 0.2% 76
2015
Q3
$8.92M Buy
30,553
+230
+0.8% +$76K 0.21% 75
2015
Q2
$12.2M Buy
30,323
+1,140
+4% +$458K 0.27% 54
2015
Q1
$12.3M Sell
29,183
-942
-3% -$371K 0.27% 55
2014
Q4
$10.2M Buy
30,125
+268
+0.9% +$86.7K 0.23% 64
2014
Q3
$9.88M Buy
29,857
+89
+0.3% +$29.3K 0.24% 55
2014
Q2
$9.39M Sell
29,768
-570
-2% -$172K 0.22% 60
2014
Q1
$9.28M Buy
30,338
+360
+1% +$114K 0.22% 61
2013
Q4
$8.39M Buy
29,978
+216
+0.7% +$55.9K 0.21% 73
2013
Q3
$7.17M Sell
29,762
-693
-2% -$155K 0.2% 82
2013
Q2
$6.55M Buy
+30,455
New +$6.51M 0.19% 86

Other funds holding BIIB

Mutual of America Capital Management's BIIB Position: Q2 2026 in Review

Mutual of America Capital Management increased its Biogen (BIIB) stake by 5.1% in Q2 2026, buying an estimated $153K and bringing the position to 16,455 shares worth $3.56M. The position accounts for 0.03% of the portfolio, ranked #565.

Mutual of America Capital Management first reported a position in BIIB in Q2 2013 and has held it in 53 quarters since. The position peaked at $12.3M in Q1 2015. 696 funds tracked by Wall St. Rank hold BIIB as of Q2 2026.

  • Mutual of America Capital Management held 16,455 shares of Biogen worth $3.56M as of Q2 2026.
  • Mutual of America Capital Management bought 799 Biogen shares in Q2 2026, an estimated $153K.
  • Biogen made up 0.03% of Mutual of America Capital Management's portfolio in Q2 2026, its #565 holding.
  • Mutual of America Capital Management first reported a position in Biogen in Q2 2013 and has held it in 53 quarters since.
  • Mutual of America Capital Management's Biogen position peaked at $12.3M in Q1 2015.
  • 696 funds tracked by Wall St. Rank held Biogen as of Q2 2026.

Based on Mutual of America Capital Management's 13F filing for Q2 2026, filed 11 Aug 2026.