Private Trust Company’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
$45.2K Buy
209
+9
+5% +$1.72K ﹤0.01% 1424
2026
Q1
$36.7K Buy
200
+25
+14% +$4.61K ﹤0.01% 1435
2025
Q4
$30.8K Buy
175
+20
+13% +$3.27K ﹤0.01% 1468
2025
Q3
$21.7K Sell
155
-11
-7% -$1.49K ﹤0.01% 1609
2025
Q2
$20.8K Sell
166
-63
-28% -$7.85K ﹤0.01% 1546
2025
Q1
$31.3K Buy
229
+98
+75% +$14K ﹤0.01% 1374
2024
Q4
$20K Sell
131
-120
-48% -$20.2K ﹤0.01% 1485
2024
Q3
$48.7K Sell
251
-226
-47% -$47.3K ﹤0.01% 1148
2024
Q2
$111K Sell
477
-481
-50% -$105K 0.01% 841
2024
Q1
$207K Buy
958
+399
+71% +$93.4K 0.02% 635
2023
Q4
$145K Sell
559
-35
-6% -$8.6K 0.02% 716
2023
Q3
$153K Buy
594
+35
+6% +$9.36K 0.02% 649
2023
Q2
$159K Buy
559
+36
+7% +$10.7K 0.02% 640
2023
Q1
$145K Buy
523
+62
+13% +$17.2K 0.02% 643
2022
Q4
$128K Sell
461
-15
-3% -$4.24K 0.02% 652
2022
Q3
$127K Sell
476
-7
-1% -$1.49K 0.02% 593
2022
Q2
$99K Buy
+483
New +$98.7K 0.02% 697
2022
Q1
Sell
-1,232
Closed -$296K 351
2021
Q4
$296K Sell
1,232
-91
-7% -$23.4K 0.04% 325
2021
Q3
$374K Sell
1,323
-35
-3% -$11.5K 0.05% 307
2021
Q2
$470K Sell
1,358
-302
-18% -$91.5K 0.07% 273
2021
Q1
$464K Sell
1,660
-41
-2% -$11.1K 0.08% 264
2020
Q4
$416K Sell
1,701
-209
-11% -$53.9K 0.07% 268
2020
Q3
$541K Buy
+1,910
New +$533K 0.1% 215
2020
Q2
Sell
-664
Closed -$210K 355
2020
Q1
$210K Buy
+664
New +$202K 0.05% 316
2019
Q2
Sell
-1,584
Closed -$374K 372
2019
Q1
$374K Buy
1,584
+131
+9% +$41.3K 0.08% 269
2018
Q4
$437K Sell
1,453
-61
-4% -$19.5K 0.1% 227
2018
Q3
$534K Buy
1,514
+52
+4% +$17.9K 0.11% 225
2018
Q2
$424K Buy
1,462
+57
+4% +$16K 0.09% 252
2018
Q1
$384K Buy
1,405
+106
+8% +$32.9K 0.08% 266
2017
Q4
$413K Buy
1,299
+504
+63% +$162K 0.09% 260
2017
Q3
$248K Buy
795
+31
+4% +$9.18K 0.05% 325
2017
Q2
$207K Buy
+764
New +$202K 0.05% 347
2014
Q4
Sell
-497
Closed -$164K 395
2014
Q3
$164K Buy
497
+23
+5% +$7.58K 0.06% 306
2014
Q2
$149K Buy
474
+16
+3% +$4.82K 0.05% 334
2014
Q1
$140K Buy
458
+70
+18% +$22.2K 0.05% 301
2013
Q4
$108K Sell
388
-1
-0.3% -$259 0.04% 295
2013
Q3
$94K Buy
389
+9
+2% +$2.01K 0.04% 302
2013
Q2
$82K Buy
+380
New +$81.2K 0.04% 312

Other funds holding BIIB

Private Trust Company's BIIB Position: Q2 2026 in Review

Private Trust Company increased its Biogen (BIIB) stake by 4.5% in Q2 2026, buying an estimated $1.72K and bringing the position to 209 shares worth $45.2K. The position accounts for ﹤0.01% of the portfolio, ranked #1424.

Private Trust Company first reported a position in BIIB in Q2 2013 and has held it in 38 quarters since. The position peaked at $541K in Q3 2020. 1,036 funds tracked by Wall St. Rank hold BIIB as of Q2 2026.

  • Private Trust Company held 209 shares of Biogen worth $45.2K as of Q2 2026.
  • Private Trust Company bought 9 Biogen shares in Q2 2026, an estimated $1.72K.
  • Biogen made up ﹤0.01% of Private Trust Company's portfolio in Q2 2026, its #1424 holding.
  • Private Trust Company first reported a position in Biogen in Q2 2013 and has held it in 38 quarters since.
  • Private Trust Company's Biogen position peaked at $541K in Q3 2020.
  • 1,036 funds tracked by Wall St. Rank held Biogen as of Q2 2026.

Based on Private Trust Company's 13F filing for Q2 2026, filed 28 Jul 2026.