CHARLES SCHWAB INVESTMENT MANAGEMENT INC
Position in BIIB — Biogen Inc.
CIK 884546
SAN FRANCISCO, CA
Position in BIIB
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$241,482,267
+$30,763,865 QoQ
Shares Held
1,117,663
-2.8% QoQ
Ownership
0.757%
of shares outstanding
% of Portfolio
0.04%
of 13F equity value
Holder Rank
#22
of 1,036 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in BIIB Over Time
Shares Held
Position Value (USD)
Position in Drug Manufacturers - General
Healthcare · as of Jun 30, 2026CHARLES SCHWAB INVESTMENT MANAGEMENT INC holds $34,394,076,697 across 15 Drug Manufacturers - General names. BIIB ranks #9 (0.7% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | LLY |
ELI LILLY & Co
|
6,001,955 | $7,198,925,485 | |
| 2 | MRK |
Merck & Co., Inc.
|
54,365,289 | $6,985,939,635 | |
| 3 | AMGN |
Amgen Inc
|
15,034,038 | $5,444,125,839 | |
| 4 | JNJ |
Johnson & Johnson
|
19,126,165 | $4,857,472,124 | |
| 5 | BMY |
Bristol Myers Squibb Co
|
67,595,177 | $3,894,834,098 | |
| 6 | ABBV |
AbbVie Inc.
|
12,914,230 | $3,249,736,836 | |
| 7 | PFE |
Pfizer Inc
|
52,548,228 | $1,265,361,329 | |
| 8 | GILD |
Gilead Sciences, Inc.
|
8,155,281 | $1,030,338,200 |
All Filings in BIIB
Export CSV
26 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $241,482,267 | 1,117,663 | Shares | Other | 2026-08-14 | |
| 2026-03-31 | $210,718,402 | 1,149,394 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $201,315,312 | 1,143,902 | Shares | Sole | 2026-02-13 | |
| 2025-09-30 | $157,358,727 | 1,123,349 | Shares | Sole | 2025-11-10 | |
| 2025-06-30 | $135,104,321 | 1,075,757 | Shares | Sole | 2025-08-12 | |
| 2025-03-31 | $139,469,927 | 1,019,219 | Shares | Sole | 2025-09-15 | |
| 2024-12-31 | $148,525,537 | 971,263 | Shares | Sole | 2025-02-06 | |
| 2024-09-30 | $176,981,541 | 913,029 | Shares | Sole | 2024-11-12 | |
| 2024-06-30 | $208,802,592 | 900,710 | Shares | Sole | 2024-08-12 | |
| 2024-03-31 | $185,184,122 | 858,805 | Shares | Sole | 2024-05-09 | |
| 2023-12-31 | $219,695,730 | 849,000 | Shares | Sole | 2024-02-06 | |
| 2023-09-30 | $218,121,816 | 848,690 | Shares | Sole | 2023-11-08 | |
| 2023-06-30 | $242,179,754 | 850,201 | Shares | Sole | 2023-08-10 | |
| 2023-03-31 | $234,763,527 | 844,382 | Shares | Sole | 2023-05-12 | |
| 2022-12-31 | $231,586,534 | 836,294 | Shares | Sole | 2023-02-13 | |
| 2022-09-30 | $219,091,656 | 820,568 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $161,088,942 | 789,884 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $161,058,456 | 764,760 | Shares | Sole | 2022-05-13 | |
| 2021-12-31 | $177,957,541 | 741,737 | Shares | Sole | 2022-02-11 | |
| 2021-09-30 | $206,921,722 | 731,198 | Shares | Sole | 2021-11-16 | |
| 2021-06-30 | $250,640,267 | 723,829 | Shares | Sole | 2021-08-16 | |
| 2021-03-31 | $197,017,854 | 704,264 | Shares | Sole | 2021-05-17 | |
| 2020-12-31 | $173,949,033 | 710,402 | Shares | Sole | 2021-02-16 | |
| 2020-09-30 | $208,527,494 | 735,080 | Shares | Sole | 2020-11-13 | |
| 2020-06-30 | $220,918,710 | 825,710 | Shares | Sole | 2020-08-20 | |
| 2020-03-31 | $296,700,531 | 937,798 | Shares | Sole | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||