Catalyst Capital Advisors’s Biogen BIIB Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
Sell
-88
Closed -$15.5K 373
2025
Q4
$15.5K Buy
88
+19
+28% +$3.1K ﹤0.01% 354
2025
Q3
$9.67K Sell
69
-20
-22% -$2.7K ﹤0.01% 443
2025
Q2
$11.2K Sell
89
-25
-22% -$3.12K ﹤0.01% 450
2025
Q1
$15.6K Hold
114
﹤0.01% 416
2024
Q4
$17.4K Sell
114
-485
-81% -$81.8K ﹤0.01% 448
2024
Q3
$116K Buy
599
+457
+322% +$95.6K ﹤0.01% 264
2024
Q2
$32.9K Buy
142
+4
+3% +$869 ﹤0.01% 280
2024
Q1
$29.8K Buy
+138
New +$32.3K ﹤0.01% 287
2023
Q4
Sell
-107
Closed -$27.5K 382
2023
Q3
$27.5K Buy
107
+27
+34% +$7.22K ﹤0.01% 292
2023
Q2
$22.8K Sell
80
-4
-5% -$1.19K ﹤0.01% 306
2023
Q1
$23.4K Sell
84
-28
-25% -$7.75K ﹤0.01% 290
2022
Q4
$31K Sell
112
-4
-3% -$1.13K ﹤0.01% 277
2022
Q3
$31K Sell
116
-1
-0.9% -$212 ﹤0.01% 288
2022
Q2
$24K Buy
117
+16
+16% +$3.27K ﹤0.01% 313
2022
Q1
$21K Buy
101
+19
+23% +$4.13K ﹤0.01% 377
2021
Q4
$20K Sell
82
-8
-9% -$2.06K ﹤0.01% 359
2021
Q3
$25K Sell
90
-3
-3% -$983 ﹤0.01% 330
2021
Q2
$32K Buy
93
+3
+3% +$909 ﹤0.01% 334
2021
Q1
$25K Sell
90
-638
-88% -$172K ﹤0.01% 310
2020
Q4
$178K Sell
728
-362
-33% -$93.4K 0.01% 242
2020
Q3
$309K Sell
1,090
-195
-15% -$54.4K 0.02% 201
2020
Q2
$344K Hold
1,285
0.02% 204
2020
Q1
$407K Sell
1,285
-265
-17% -$80.4K 0.02% 156
2019
Q4
$460K Buy
+1,550
New +$430K 0.01% 194
2019
Q2
Sell
-3,750
Closed -$886K 420
2019
Q1
$886K Buy
+3,750
New +$1.18M 0.03% 135
2018
Q4
Sell
-2,100
Closed -$742K 424
2018
Q3
$742K Buy
+2,100
New +$723K 0.02% 196
2016
Q4
Sell
-353
Closed -$111K 415
2016
Q3
$111K Sell
353
-11,050
-97% -$3.27M 0.01% 270
2016
Q2
$2.76M Sell
11,403
-16,520
-59% -$4.35M 0.51% 73
2016
Q1
$7.27M Sell
27,923
-239
-0.8% -$63.1K 1.22% 23
2015
Q4
$8.63M Buy
28,162
+27,615
+5,048% +$7.94M 1.25% 17
2015
Q3
$160K Buy
547
+447
+447% +$148K 0.02% 295
2015
Q2
$40K Hold
100
﹤0.01% 372
2015
Q1
$42K Hold
100
﹤0.01% 339
2014
Q4
$34K Buy
+100
New +$32.4K ﹤0.01% 356
2014
Q2
Sell
-212
Closed -$65K 352
2014
Q1
$65K Buy
+212
New +$67.3K 0.01% 296

Other funds holding BIIB

Catalyst Capital Advisors's BIIB Position: Q1 2026 in Review

Catalyst Capital Advisors sold out of Biogen (BIIB) in Q1 2026, closing a stake of 88 shares — an estimated $15.5K sold.

Catalyst Capital Advisors first reported a position in BIIB in Q1 2014 and held it in 35 quarters. The position peaked at $8.63M in Q4 2015. 1,002 funds tracked by Wall St. Rank hold BIIB as of Q1 2026.

  • Catalyst Capital Advisors reported no remaining Biogen position as of Q1 2026 after selling out during the quarter.
  • Catalyst Capital Advisors sold 88 Biogen shares in Q1 2026, an estimated $15.5K.
  • Catalyst Capital Advisors first reported a position in Biogen in Q1 2014 and held it in 35 quarters.
  • Catalyst Capital Advisors's Biogen position peaked at $8.63M in Q4 2015.
  • 1,002 funds tracked by Wall St. Rank held Biogen as of Q1 2026.

Based on Catalyst Capital Advisors's 13F filing for Q1 2026, filed 6 May 2026.