Position in BIIB
as of Jun 30, 2026
· filed Aug 3, 2026
Position Value
$160,941,363
+$28,828,452 QoQ
Shares Held
744,892
+3.4% QoQ
Ownership
0.505%
of shares outstanding
% of Portfolio
0.06%
of 13F equity value
Holder Rank
#33
of 1,036 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority
Sole 80%
Shared 16%
None 4%
Common Shares in BIIB Over Time
Shares Held
Position Value (USD)
Position in Drug Manufacturers - General
Healthcare · as of Jun 30, 2026MASSACHUSETTS FINANCIAL SERVICES CO /MA/ holds $6,486,971,678 across 12 Drug Manufacturers - General names. BIIB ranks #6 (2.5% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | JNJ |
Johnson & Johnson
|
10,539,098 | $2,676,614,716 | |
| 2 | PFE |
Pfizer Inc
|
56,551,011 | $1,361,748,341 | |
| 3 | ABBV |
AbbVie Inc.
|
4,388,338 | $1,104,281,370 | |
| 4 | GILD |
Gilead Sciences, Inc.
|
6,651,833 | $840,392,576 | |
| 5 | LLY |
ELI LILLY & Co
|
145,790 | $174,864,912 | |
| 6 | BIIB |
Biogen Inc.
This page
|
744,892 | $160,941,363 | |
| 7 | BMY |
Bristol Myers Squibb Co
|
948,427 | $54,648,359 | |
| 8 | NVS |
Novartis AG
|
293,443 | $45,988,386 |
All Filings in BIIB
Export CSV
26 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $160,941,363 | 744,892 | Shares | Sole | 2026-08-03 | |
| 2026-03-31 | $132,112,911 | 720,629 | Shares | Defined | 2026-05-14 | |
| 2025-12-31 | $125,403,256 | 712,559 | Shares | Sole | 2026-01-22 | |
| 2025-09-30 | $102,162,580 | 729,316 | Shares | Sole | 2025-10-29 | |
| 2025-06-30 | $90,127,274 | 717,631 | Shares | Sole | 2025-08-08 | |
| 2025-03-31 | $96,939,506 | 708,415 | Shares | Sole | 2025-05-02 | |
| 2024-12-31 | $111,994,935 | 732,376 | Shares | Sole | 2025-02-12 | |
| 2024-09-30 | $137,855,904 | 711,184 | Shares | Sole | 2024-11-12 | |
| 2024-06-30 | $127,193,372 | 548,673 | Shares | Sole | 2024-08-09 | |
| 2024-03-31 | $123,981,855 | 574,975 | Shares | Sole | 2024-05-14 | |
| 2023-12-31 | $150,103,418 | 580,065 | Shares | Sole | 2024-02-08 | |
| 2023-09-30 | $114,781,177 | 446,602 | Shares | Sole | 2023-11-08 | |
| 2023-06-30 | $41,735,079 | 146,516 | Shares | Sole | 2023-08-09 | |
| 2023-03-31 | $40,894,595 | 147,087 | Shares | Sole | 2023-05-10 | |
| 2022-12-31 | $40,859,266 | 147,549 | Shares | Sole | 2023-02-13 | |
| 2022-09-30 | $60,881,340 | 228,020 | Shares | Sole | 2022-11-09 | |
| 2022-06-30 | $35,114,999 | 172,183 | Shares | Sole | 2022-08-09 | |
| 2022-03-31 | $43,290,091 | 205,556 | Shares | Sole | 2022-05-11 | |
| 2021-12-31 | $50,273,555 | 209,543 | Shares | Sole | 2022-02-10 | |
| 2021-09-30 | $57,724,863 | 203,982 | Shares | Sole | 2021-11-10 | |
| 2021-06-30 | $34,285,230 | 99,013 | Shares | Sole | 2021-08-13 | |
| 2021-03-31 | $9,919,095 | 35,457 | Shares | Sole | 2021-05-13 | |
| 2020-12-31 | $17,079,473 | 69,752 | Shares | Sole | 2021-05-12 | |
| 2020-09-30 | $34,566,406 | 121,850 | Shares | Sole | 2020-11-12 | |
| 2020-06-30 | $49,814,596 | 186,188 | Shares | Sole | 2020-11-20 | |
| 2020-03-31 | $70,291,406 | 222,174 | Shares | Sole | 2020-11-20 | |
| No filing history on record for this holder in this stock. | ||||||