Position in BIIB
as of Jun 30, 2026
· filed Jul 20, 2026
Position Value
$11,024,029
+$1,688,316 QoQ
Shares Held
51,023
+0.2% QoQ
Ownership
0.035%
of shares outstanding
% of Portfolio
0.11%
of 13F equity value
Holder Rank
#160
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, 2026GATEWAY INVESTMENT ADVISERS LLC holds $453,028,056 across 11 Drug Manufacturers - General names. BIIB ranks #6 (2.4% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | LLY |
ELI LILLY & Co
|
126,367 | $151,568,383 | |
| 2 | JNJ |
Johnson & Johnson
|
408,642 | $103,782,808 | |
| 3 | ABBV |
AbbVie Inc.
|
304,186 | $76,545,365 | |
| 4 | MRK |
Merck & Co., Inc.
|
433,052 | $55,647,182 | |
| 5 | AMGN |
Amgen Inc
|
117,268 | $42,465,088 | |
| 6 | BIIB |
Biogen Inc.
This page
|
51,023 | $11,024,029 | |
| 7 | GILD |
Gilead Sciences, Inc.
|
66,521 | $8,404,263 | |
| 8 | BMY |
Bristol Myers Squibb Co
|
24,915 | $1,435,602 |
All Filings in BIIB
Export CSV
26 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $11,024,029 | 51,023 | Shares | Sole | 2026-07-20 | |
| 2026-03-31 | $9,335,713 | 50,923 | Shares | Sole | 2026-04-13 | |
| 2025-12-31 | $8,475,854 | 48,161 | Shares | Sole | 2026-02-03 | |
| 2025-09-30 | $5,929,026 | 42,326 | Shares | Sole | 2025-10-21 | |
| 2025-06-30 | $5,083,255 | 40,475 | Shares | Sole | 2025-07-09 | |
| 2025-03-31 | $5,645,881 | 41,259 | Shares | Sole | 2025-04-11 | |
| 2024-12-31 | $6,300,609 | 41,202 | Shares | Sole | 2025-01-15 | |
| 2024-09-30 | $8,007,918 | 41,312 | Shares | Sole | 2024-10-10 | |
| 2024-06-30 | $9,594,797 | 41,389 | Shares | Sole | 2024-07-12 | |
| 2024-03-31 | $8,934,413 | 41,434 | Shares | Sole | 2024-04-12 | |
| 2023-12-31 | $12,146,405 | 46,939 | Shares | Sole | 2024-01-10 | |
| 2023-09-30 | $13,579,380 | 52,836 | Shares | Sole | 2023-10-19 | |
| 2023-06-30 | $15,094,771 | 52,992 | Shares | Sole | 2023-07-14 | |
| 2023-03-31 | $18,471,201 | 66,436 | Shares | Sole | 2023-04-11 | |
| 2022-12-31 | $15,624,380 | 56,422 | Shares | Sole | 2023-01-13 | |
| 2022-09-30 | $18,908,139 | 70,817 | Shares | Sole | 2022-10-07 | |
| 2022-06-30 | $14,458,122 | 70,894 | Shares | Sole | 2022-07-13 | |
| 2022-03-31 | $12,530,489 | 59,499 | Shares | Sole | 2022-04-14 | |
| 2021-12-31 | $13,202,797 | 55,030 | Shares | Sole | 2022-01-14 | |
| 2021-09-30 | $17,492,177 | 61,812 | Shares | Sole | 2021-10-22 | |
| 2021-06-30 | $21,402,948 | 61,810 | Shares | Sole | 2021-07-13 | |
| 2021-03-31 | $17,365,201 | 62,074 | Shares | Sole | 2021-04-14 | |
| 2020-12-31 | $16,603,222 | 67,807 | Shares | Sole | 2021-01-14 | |
| 2020-09-30 | $19,773,063 | 69,702 | Shares | Sole | 2020-10-19 | |
| 2020-06-30 | $21,771,346 | 81,373 | Shares | Sole | 2020-07-15 | |
| 2020-03-31 | $27,870,230 | 88,091 | Shares | Sole | 2020-04-13 | |
| No filing history on record for this holder in this stock. | ||||||