Vanguard Group Inc ownership in IDP / Biogen Inc.

바이오젠(주)

DE ˙ DB ˙ US09062X1037

€170.90 ↑8.70 (5.36%)

2026-06-04
주가

Security	DE:IDP / Biogen Inc.
Institution	Vanguard Group Inc
Latest Disclosed Ownership	16,677,806 shares
Ownership	11.44%

2024-11-12 - Vanguard Group Inc has filed an SC 13G/A form with the Securities and Exchange Commission (SEC) disclosing ownership of 16,677,806 shares of Biogen Inc. (DE:IDP). This represents 11.44 percent ownership of the company. In their previous filing dated 2024-11-04 , Vanguard Group Inc had reported owning 16,677,806 shares, indicating a decrease of 0.00 percent.

Institutional Ownership: 13D/G Filings

This table shows a history of the 13D/G filings made by the investor and/or investor group. Note that the share values in this table are not directly comparable to any numbers shown in the 13F table (if any).

File Date	Effective Date	Form	Prev Shares	Latest Shares	ΔShares (Percent)	Ownership (Percent)	ΔOwnership (Percent)
2024-11-12	2024-11-12	13G/A	16,677,806	16,677,806	0.00	11.44	0.00
2024-11-04	2024-11-04	13G/A	14,521,342	16,677,806	14.85	11.44	14.17
2024-02-12	2024-02-12	13G/A	11,976,623	14,521,342	21.25	10.02	20.43
2024-02-12	2024-02-12	13G/A	11,976,623	14,406,879	20.29	9.94	19.47
2023-02-09	2023-02-09	13G/A	11,537,299	11,976,623	3.81	8.32	5.99
2022-02-09	2022-02-09	13G/A	11,896,510	11,537,299	-3.02	7.85	1.55
2021-02-10	2021-02-10	13G/A	13,870,538	11,896,510	-14.23	7.73	0.65
2020-02-12	2020-02-12	13G/A	15,170,607	13,870,538	-8.57	7.68	2.13
2019-02-11	2019-02-11	13G/A	14,871,019	15,170,607	2.01	7.52	6.97
2018-02-08	2018-02-08	13G/A	14,009,922	14,871,019	6.15	7.03	9.33
2017-02-10	2017-02-10	13G/A	13,228,502	14,009,922	5.91	6.43	8.43
2016-02-10	2016-02-10	13G/A		13,228,502		5.93
2015-02-11	2015-02-11	13G		12,730,694		5.39

Important Note: One of the primary uses of the 13D/G filings is to evaluate the ability of a firm to control a company (ie, the "beneficial ownership"). To that end, firms are required to report not just direct holdings in companies, but indirect holdings that they control. For investment firms, these indirect holdings can include shares in funds they manage, advisory accounts, and in the case of activist campaigns, pledged votes. Therefore, share counts listed in 13D/G filings can differ significantly than share counts listed in 13F filings.

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	Reported Shares	ΔShares	ΔShares (%)	Reported Value (x1000)	ΔValue (%)	Alloc (%)
2026-01-29	2025-12-31	13F	BIOGEN	COM	09062X103	17,447,092	157,857	0.91	3,070,514	26.78	0.0445
2025-11-07	2025-09-30	13F	BIOGEN	COM	09062X103	17,289,235	-1,416	-0.01	2,421,876	11.53	0.0363
2025-08-11	2025-06-30	13F	BIOGEN	COM	09062X103	17,290,651	257,812	1.51	2,171,533	-6.83	0.0351
2025-05-09	2025-03-31	13F	BIOGEN	COM	09062X103	17,032,839	283,964	1.70	2,330,774	-9.00	0.0421
2025-02-11	2024-12-31	13F	BIOGEN	COM	09062X103	16,748,875	70,368	0.42	2,561,238	-20.78	0.0446
2024-11-13	2024-09-30	13F	BIOGEN	COM	09062X103	16,678,507	78,344	0.47	3,232,962	-15.99	0.0579
2024-08-13	2024-06-30	13F	BIOGEN	COM	09062X103	16,600,163	29,765	0.18	3,848,250	7.70	0.0739
2024-05-10	2024-03-31	13F	BIOGEN	COM	09062X103	16,570,398	2,163,068	15.01	3,573,075	-4.16	0.0708
2024-03-11	2023-12-31	13F/A-1	BIOGEN	COM	09062X103	14,407,330	2,218,744	18.20	3,728,185	19.01	0.0814
2024-02-14	2023-12-31	13F	BIOGEN	COM	09062X103	14,407,330	2,218,744		3,728,185		0.0708
2023-12-18	2023-09-30	13F/A-1	BIOGEN	COM	09062X103	12,188,586	-7,850	-0.06	3,132,588	-9.83	0.0769
2023-11-14	2023-09-30	13F	BIOGEN	COM	09062X103	12,188,586	-7,850		3,132,588		0.0139
2023-08-14	2023-06-30	13F	BIOGEN	COM	09062X103	12,196,436	38,774	0.32	3,474,155	2.78	0.0824
2023-07-14	2023-03-31	13F/A-1	BIOGEN	COM	09062X103	12,157,662	181,039	1.51	3,380,195	1.92	0.0861
2023-05-15	2023-03-31	13F	BIOGEN	COM	09062X103	12,157,244	180,621		3,380,079		0.0861
2023-02-10	2022-12-31	13F	BIOGEN	COM	09062X103	11,976,623	61,650	0.52	3,316,566	4.25	0.0903
2022-11-14	2022-09-30	13F	BIOGEN	COM	09062X103	11,914,973	54,951	0.46	3,181,298	31.53	0.0936
2022-08-12	2022-06-30	13F	BIOGEN	COM	09062X103	11,860,022	139,438	1.19	2,418,733	-2.01	0.0680
2022-05-13	2022-03-31	13F	BIOGEN	COM	09062X103	11,720,584	183,285	1.59	2,468,356	-10.83	0.0584
2022-02-14	2021-12-31	13F	BIOGEN	COM	09062X103	11,537,299	-154,577	-1.32	2,768,029	-16.34	0.0628
2021-11-12	2021-09-30	13F	BIOGEN	COM	09062X103	11,691,876	-61,457	-0.52	3,308,684	-18.70	0.0822
2021-08-13	2021-06-30	13F	BIOGEN	COM	09062X103	11,753,333	-100,325	-0.85	4,069,827	22.73	0.1013
2021-05-14	2021-03-31	13F	BIOGEN	COM	09062X103	11,853,658	-42,852	-0.36	3,316,059	13.84	0.0897
2021-02-12	2020-12-31	13F	BIOGEN	COM	09062X103	11,896,510	-451,562	-3.66	2,912,979	-16.84	0.0845
2020-11-16	2020-09-30	13F	BIOGEN	COM	09062X103	12,348,072	-528,035	-4.10	3,502,903	1.68	0.1159
2020-08-14	2020-06-30	13F	BIOGEN	COM	09062X103	12,876,107	-1,362,120	-9.57	3,445,001	-23.52	0.1222
2020-05-15	2020-03-31	13F	BIOGEN	COM	09062X103	14,238,227	367,689	2.65	4,504,690	9.45	0.1920
2020-02-14	2019-12-31	13F	BIOGEN	COM	09062X103	13,870,538	-224,988	-1.60	4,115,804	25.42	0.1404
2019-11-14	2019-09-30	13F	BIOGEN	COM	09062X103	14,095,526	-719,828	-4.86	3,281,721	-5.29	0.1217
2019-08-14	2019-06-30	13F	BIOGEN	COM	09062X103	14,815,354	-200,117	-1.33	3,464,867	-2.38	0.1304
2019-05-15	2019-03-31	13F	BIOGEN	COM	09062X103	15,015,471	-155,136	-1.02	3,549,358	-22.25	0.1392
2019-02-14	2018-12-31	13F	BIOGEN	COM	09062X103	15,170,607	356,482	2.41	4,565,140	-12.78	0.2051
2018-12-13	2018-09-30	13F/A-2	BIOGEN	COM	09062X103	14,814,125	-483,799	-3.16	5,233,978	17.88	0.2045
2018-11-23	2018-09-30	13F/A-1	BIOGEN	COM	09062X103	14,814,125	0		5,233,978		0.2045
2018-11-14	2018-09-30	13F	BIOGEN	COM	09062X103	14,814,125	-483,799		5,233,978
2018-08-14	2018-06-30	13F	BIOGEN	COM	09062X103	15,297,924	168,681	1.11	4,440,070	7.18	0.1857
2018-05-15	2018-03-31	13F	BIOGEN	COM	09062X103	15,129,243	258,224	1.74	4,142,689	-12.55	0.1812
2018-02-14	2017-12-31	13F	BIOGEN	COM	09062X103	14,871,019	202,077	1.38	4,737,460	3.14	0.2072
2017-11-14	2017-09-30	13F	BIOGEN	COM	09062X103	14,668,942	134,115	0.92	4,593,140	16.45	0.2147
2017-08-24	2017-06-30	13F/A-1	BIOGEN	COM	09062X103	14,534,827	182,337	1.27	3,944,171	0.51	0.1943
2017-08-11	2017-06-30	13F	BIOGEN	COM	09062X103	14,534,827	182,337		3,944,171
2017-05-12	2017-03-31	13F	BIOGEN	COM	09062X103	14,352,490	342,568	2.45	3,924,258	-1.23	0.2017
2017-02-14	2016-12-31	13F	BIOGEN	COM	09062X103	14,009,922	163,866	1.18	3,972,934	-8.34	0.2216
2016-11-14	2016-09-30	13F	BIOGEN	COM	09062X103	13,846,056	301,440	2.23	4,334,231	32.33	0.2546
2016-08-10	2016-06-30	13F	BIOGEN	COM	09062X103	13,544,616	182,714	1.37	3,275,359	-5.84	0.2034
2016-05-13	2016-03-31	13F	BIOGEN	COM	09062X103	13,361,902	133,400	1.01	3,478,370	-14.17	0.2254
2016-02-08	2015-12-31	13F	BIOGEN	COM	09062X103	13,228,502	-349,032	-2.57	4,052,552	2.28	0.2725
2015-11-12	2015-09-30	13F/A-1	BIOGEN	COM	09062X103	13,577,534	196,139	1.47	3,962,059	-26.70	0.1682
2015-11-12	2015-09-30	13F/A-1	BIOGEN	COM	09062X103	13,577,534	196,139		3,962,059		0.1682
2015-11-12	2015-09-30	13F	BIOGEN	COM	09062X103	24,974,369			4,395,759
2015-08-13	2015-06-30	13F	BIOGEN	COM	09062X103	13,381,395	239,059	1.82	5,405,281	-2.59	0.3654
2015-05-15	2015-03-31	13F/A-1	BIOGEN	COM	09062X103	13,142,336	411,642	3.23	5,549,219	28.41	0.3764
2015-05-14	2015-03-31	13F	BIOGEN	COM	09062X103	13,142,336			5,549,219
2015-02-12	2014-12-31	13F	BIOGEN IDEC	COM	09062X103	12,730,694	395,460	3.21	4,321,434	5.90	0.3112
2014-11-12	2014-09-30	13F	BIOGEN IDEC	COM	09062X103	12,335,234	248,937	2.06	4,080,619	7.08	0.3181
2014-08-11	2014-06-30	13F	BIOGEN IDEC	COM	09062X103	12,086,297	187,167	1.57	3,810,930	4.71	0.3003
2014-05-13	2014-03-31	13F	BIOGEN IDEC	COM	09062X103	11,899,130	275,477	2.37	3,639,587	11.93	0.3061
2014-02-12	2013-12-31	13F	BIOGEN IDEC	COM	09062X103	11,623,653	105,771	0.92	3,251,707	17.26	0.2860
2013-11-07	2013-09-30	13F	BIOGEN IDEC	COM	09062X103	11,517,882	169,709	1.50	2,773,045	13.55	0.2708
2013-08-13	2013-06-30	13F	BIOGEN IDEC	COM	09062X103	11,348,173	11,348,173		2,442,127		0.2565

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.