Biogen Inc.
DE ˙ DB ˙ US09062X1037
170,90 € ↑8,70 (5,36%)
2026-06-04
AKTIENPREIS
SecurityDE:IDP / Biogen Inc.
InstitutionAllworth Financial LP
Latest Disclosed Ownership4,211 shares
Latest Disclosed Value $ 771,943
Allworth Financial LP reports 20.80% increase in ownership of IDP / Biogen Inc.

On May 14, 2026 - Allworth Financial LP filed a 13F-HR form disclosing ownership of 4,211 shares of Biogen Inc. (DE:IDP) valued at $653,758 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 5, 2026 disclosing 3,486 shares of Biogen Inc.. This represents a change in shares of 20.80% during the quarter. The current value of the position is $719,660 USD.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date		 Effective
Date		Form Security Class ID Avg Price
Paid (Est)		 Reported
Shares		 ΔShares ΔShares
(%)		 Reported
Value
(x1000)		 ΔValue
(%)		 Alloc
(%)		 ΔAlloc ΔAlloc (%) Cost Basis
(x1000)		 Unrealized
Gain/Loss
(x1000)
2026-05-14 2026-03-31 13F BIOGEN COM 09062X103 4,211 725 20.80 772 25.77 0.0031
2026-02-05 2025-12-31 13F BIOGEN COM 09062X103 3,486 646 22.75 613 54.41 0.0025
2025-12-02 2025-09-30 13F BIOGEN COM 09062X103 2,840 661 30.34 398 45.42 0.0018
2025-08-07 2025-06-30 13F BIOGEN COM 09062X103 2,179 1,162 114.26 274 125.62 0.0013
2025-04-30 2025-03-31 13F BIOGEN COM 09062X103 1,017 469 85.58 122 55.13 0.0007
2025-01-30 2024-12-31 13F BIOGEN COM 09062X103 548 -633 -53.60 78 -65.79 0.0004
2024-10-23 2024-09-30 13F BIOGEN COM 09062X103 1,181 135 12.91 229 -3.39 0.0014
2024-07-24 2024-06-30 13F BIOGEN COM 09062X103 1,046 282 36.91 237 43.90 0.0015
2024-04-25 2024-03-31 13F BIOGEN COM 09062X103 764 164 27.33 165 5.81 0.0012
2024-01-24 2023-12-31 13F BIOGEN COM 09062X103 600 -17 -2.76 155 -1.90 0.0012
2023-10-31 2023-09-30 13F BIOGEN COM 09062X103 617 41 7.12 159 -3.66 0.0014
2023-07-18 2023-06-30 13F BIOGEN COM 09062X103 576 3 0.52 164 3.14 0.0014
2023-04-18 2023-03-31 13F BIOGEN COM 09062X103 573 -12 -2.05 159 -1.24 0.0016
2023-01-13 2022-12-31 13F BIOGEN COM 09062X103 585 -137 -18.98 162 -16.58 0.0018
2022-11-14 2022-09-30 13F/A-1 BIOGEN COM 09062X103 722 39 5.71 193 38.85 0.0024
2022-10-18 2022-09-30 13F BIOGEN COM 09062X103 722 39 193 0.0024
2022-07-13 2022-06-30 13F BIOGEN COM 09062X103 683 20 3.02 139 -0.71 0.0019
2022-04-22 2022-03-31 13F BIOGEN COM 09062X103 663 -102 -13.33 140 -23.91 0.0018
2022-01-21 2021-12-31 13F BIOGEN COM 09062X103 765 -247 -24.41 184 -35.66 0.0026
2021-11-02 2021-09-30 13F BIOGEN COM 09062X103 1,012 510 101.59 286 64.37 0.0048
2021-08-02 2021-06-30 13F BIOGEN COM 09062X103 502 -189 -27.35 174 -9.84 0.0032
2021-04-29 2021-03-31 13F BIOGEN COM 09062X103 691 0 0.00 193 14.20 0.0040
2021-01-26 2020-12-31 13F BIOGEN COM 09062X103 691 0 0.00 169 -13.78 0.0044
2020-11-03 2020-09-30 13F BIOGEN COM 09062X103 691 0 0.00 196 5.95 0.0059
2020-07-24 2020-06-30 13F BIOGEN COM 09062X103 691 300 76.73 185 49.19 0.0057
2020-04-17 2020-03-31 13F BIOGEN COM 09062X103 391 20 5.39 124 12.73 0.0041
2020-01-16 2019-12-31 13F BIOGEN COM 09062X103 371 337 991.18 110 1,275.00 0.0039
2019-10-09 2019-09-30 13F BIOGEN COM 09062X103 34 0 0.00 8 0.00 0.0003
2019-07-25 2019-06-30 13F BIOGEN COM 09062X103 34 -23 -40.35 8 -38.46 0.0003
2019-05-07 2019-03-31 13F BIOGEN COM 09062X103 57 -109 -65.66 13 -74.00 0.0006
2019-02-11 2018-12-31 13F BIOGEN COM 09062X103 166 60 56.60 50 35.14 0.0025
2018-10-29 2018-09-30 13F BIOGEN COM 09062X103 106 -14 -11.67 37 5.71 0.0017
2018-08-08 2018-06-30 13F BIOGEN COM 09062X103 120 13 12.15 35 20.69 0.0017
2018-05-01 2018-03-31 13F BIOGEN COM 09062X103 107 -1 -0.93 29 -14.71 0.0022
2018-02-21 2017-12-31 13F BIOGEN COM 09062X103 108 2 1.89 34 3.03 0.0027
2017-10-12 2017-09-30 13F BIOGEN COM 09062X103 106 0 0.00 33 13.79 0.0027
2017-08-07 2017-06-30 13F BIOGEN COM 09062X103 106 0 0.00 29 0.00 0.0026
2017-05-09 2017-03-31 13F BIOGEN COM 09062X103 106 0 0.00 29 -3.33 0.0027
2017-02-02 2016-12-31 13F BIOGEN COM 09062X103 106 0 0.00 30 -9.09 0.0030
2017-02-07 2016-09-30 13F BIOGEN COM 09062X103 106 0 0.00 33 26.92 0.0035
2016-08-22 2016-06-30 13F BIOGEN COM 09062X103 106 0 0.00 26 -7.14 0.0029
2016-05-16 2016-03-31 13F BIOGEN COM 09062X103 106 0 0.00 28 -12.50 0.0035
2016-02-16 2015-12-31 13F BIOGEN COM 09062X103 106 0 0.00 32 3.23 0.0058
2015-10-30 2015-09-30 13F BIOGEN COM 09062X103 106 70 194.44 31 106.67 0.0110
2015-08-06 2015-06-30 13F BIOGEN COM 09062X103 36 0 0.00 15 0.00 0.0054
2015-06-01 2015-03-31 13F BIOGEN COM 09062X103 36 36 15 0.0056
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.