Stifel Financial’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
$7.51M Sell
40,938
-10,308
-20% -$1.9M 0.01% 1104
2025
Q4
$9.02M Buy
51,246
+13,655
+36% +$2.23M 0.01% 1011
2025
Q3
$5.27M Buy
37,591
+26,477
+238% +$3.58M ﹤0.01% 1274
2025
Q2
$1.4M Sell
11,114
-7,962
-42% -$992K ﹤0.01% 2093
2025
Q1
$2.61M Buy
19,076
+6,320
+50% +$903K ﹤0.01% 1579
2024
Q4
$1.95M Sell
12,756
-34,798
-73% -$5.87M ﹤0.01% 1797
2024
Q3
$9.22M Buy
47,554
+868
+2% +$182K 0.01% 877
2024
Q2
$10.8M Sell
46,686
-12,789
-22% -$2.78M 0.01% 787
2024
Q1
$12.8M Buy
59,475
+7,827
+15% +$1.83M 0.01% 714
2023
Q4
$13.4M Sell
51,648
-4,079
-7% -$1M 0.02% 663
2023
Q3
$14.3M Buy
55,727
+9,809
+21% +$2.62M 0.02% 586
2023
Q2
$13.1M Buy
45,918
+6,213
+16% +$1.85M 0.02% 614
2023
Q1
$11M Sell
39,705
-1,831
-4% -$507K 0.02% 652
2022
Q4
$11.5M Buy
41,536
+5,399
+15% +$1.52M 0.02% 612
2022
Q3
$9.65M Sell
36,137
-1,939
-5% -$412K 0.02% 643
2022
Q2
$7.76M Sell
38,076
-6,919
-15% -$1.41M 0.01% 758
2022
Q1
$9.48M Buy
44,995
+1,170
+3% +$254K 0.01% 754
2021
Q4
$10.5M Sell
43,825
-3,420
-7% -$879K 0.01% 719
2021
Q3
$13.4M Sell
47,245
-2,690
-5% -$882K 0.02% 610
2021
Q2
$17.3M Sell
49,935
-10,336
-17% -$3.13M 0.03% 509
2021
Q1
$16.9M Buy
60,271
+7,125
+13% +$1.92M 0.03% 481
2020
Q4
$13M Buy
53,146
+718
+1% +$185K 0.02% 517
2020
Q3
$14.9M Sell
52,428
-1,818
-3% -$507K 0.03% 425
2020
Q2
$14.5M Sell
54,246
-2,116
-4% -$636K 0.03% 401
2020
Q1
$17.9M Sell
56,362
-72,541
-56% -$22M 0.05% 306
2019
Q4
$38.2M Buy
128,903
+47,591
+59% +$13.2M 0.08% 244
2019
Q3
$18.9M Sell
81,312
-70,775
-47% -$16.5M 0.05% 338
2019
Q2
$35.6M Sell
152,087
-32,260
-17% -$7.45M 0.09% 220
2019
Q1
$43.5M Sell
184,347
-58,595
-24% -$18.5M 0.12% 196
2018
Q4
$73.3M Buy
242,942
+2,684
+1% +$857K 0.24% 107
2018
Q3
$84.7M Buy
240,258
+18,603
+8% +$6.41M 0.24% 100
2018
Q2
$64.2M Buy
221,655
+13,814
+7% +$3.88M 0.2% 123
2018
Q1
$56.8M Buy
207,841
+18,283
+10% +$5.68M 0.18% 140
2017
Q4
$60.5M Buy
189,558
+12,464
+7% +$4M 0.19% 133
2017
Q3
$55.6M Buy
177,094
+28,816
+19% +$8.53M 0.19% 123
2017
Q2
$40.2M Buy
148,278
+34,992
+31% +$9.25M 0.15% 156
2017
Q1
$31M Buy
113,286
+11,980
+12% +$3.39M 0.12% 190
2016
Q4
$28.7M Buy
101,306
+14,715
+17% +$4.36M 0.12% 187
2016
Q3
$27.1M Sell
86,591
-7,272
-8% -$2.15M 0.12% 185
2016
Q2
$22.7M Sell
93,863
-10,274
-10% -$2.71M 0.11% 205
2016
Q1
$27.1M Sell
104,137
-47,529
-31% -$12.6M 0.14% 159
2015
Q4
$46.5M Sell
151,666
-6
-0% -$1.72K 0.24% 108
2015
Q3
$44.3M Buy
151,672
+4,156
+3% +$1.37M 0.25% 103
2015
Q2
$59.5M Buy
147,516
+10,775
+8% +$4.32M 0.31% 74
2015
Q1
$57.7M Sell
136,741
-14,078
-9% -$5.55M 0.32% 63
2014
Q4
$51.2M Buy
150,819
+5,736
+4% +$1.86M 0.28% 80
2014
Q3
$48M Sell
145,083
-1,685
-1% -$556K 0.42% 36
2014
Q2
$46.3M Sell
146,768
-2,653
-2% -$798K 0.42% 34
2014
Q1
$45.7M Buy
+149,421
New +$47.4M 0.44% 33

Other funds holding BIIB

Stifel Financial's BIIB Position: Q1 2026 in Review

Stifel Financial reduced its Biogen (BIIB) stake by 20% in Q1 2026, selling an estimated $1.9M and leaving 40,938 shares worth $7.51M. The position accounts for 0.01% of the portfolio, ranked #1104.

Stifel Financial first reported a position in BIIB in Q1 2014 and has held it in 49 quarters since. The position peaked at $84.7M in Q3 2018. 1,002 funds tracked by Wall St. Rank hold BIIB as of Q1 2026.

  • Stifel Financial held 40,938 shares of Biogen worth $7.51M as of Q1 2026.
  • Stifel Financial sold 10,308 Biogen shares in Q1 2026, an estimated $1.9M.
  • Biogen made up 0.01% of Stifel Financial's portfolio in Q1 2026, its #1104 holding.
  • Stifel Financial first reported a position in Biogen in Q1 2014 and has held it in 49 quarters since.
  • Stifel Financial's Biogen position peaked at $84.7M in Q3 2018.
  • 1,002 funds tracked by Wall St. Rank held Biogen as of Q1 2026.

Based on Stifel Financial's 13F filing for Q1 2026, filed 12 May 2026.