Position in BIIB
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$212,844,113
+$6,776,191 QoQ
Shares Held
1,160,989
-0.8% QoQ
Ownership
0.786%
of shares outstanding
% of Portfolio
0.15%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Jun 2023
12 quarters on record
Voting authority
Sole 99.72480359417703.ToString("F0")%
Shared 0.ToString("F0")%
None 0.27519640582296645.ToString("F0")%
Common Shares in BIIB Over Time
Shares Held
Position Value (USD)
Position in Drug Manufacturers - General
Healthcare · as of Mar 31, 2026T. Rowe Price Investment Management, Inc. holds $1,197,745,873 across 8 Drug Manufacturers - General names. BIIB ranks #2 (17.8% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | LLY |
ELI LILLY & Co
|
1,026,556 | $944,195,412 | |
| 2 | BIIB |
Biogen Inc.
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|
1,160,989 | $212,844,113 | |
| 3 | GILD |
Gilead Sciences, Inc.
|
230,625 | $32,142,206 | |
| 4 | JNJ |
Johnson & Johnson
|
16,925 | $4,137,147 | |
| 5 | ABBV |
AbbVie Inc.
|
5,805 | $1,262,529 | |
| 6 | BMY |
Bristol Myers Squibb Co
|
19,177 | $1,163,085 | |
| 7 | PFE |
Pfizer Inc
|
35,847 | $1,006,583 | |
| 8 | MRK |
Merck & Co., Inc.
|
8,270 | $994,798 |
All Filings in BIIB
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12 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $212,844,113 | 1,160,989 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $206,067,922 | 1,170,907 | Shares | Sole | 2026-02-19 | |
| 2025-09-30 | $149,532,878 | 1,067,482 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $175,132,240 | 1,394,476 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $364,034,083 | 2,660,290 | Shares | Sole | 2025-05-14 | |
| 2024-12-31 | $474,019,275 | 3,099,786 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $825,038,478 | 4,256,286 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $1,316,473,093 | 5,678,859 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $1,114,800,631 | 5,169,970 | Shares | Sole | 2024-05-15 | |
| 2023-12-31 | $1,386,315,249 | 5,357,326 | Shares | Sole | 2024-02-14 | |
| 2023-09-30 | $1,222,080,236 | 4,754,991 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $968,225,089 | 3,399,070 | Shares | Sole | 2023-08-14 | |
| No filing history on record for this holder in this stock. | ||||||