Position in BIIB
as of Jun 30, 2026
· filed Jul 21, 2026
Position Value
$170,923,337
+$31,010,648 QoQ
Shares Held
791,092
+3.7% QoQ
Ownership
0.536%
of shares outstanding
% of Portfolio
0.21%
of 13F equity value
Holder Rank
#29
of 1,037 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority
Sole 52%
Shared 0%
None 48%
Common Shares in BIIB Over Time
Shares Held
Position Value (USD)
Position in Drug Manufacturers - General
Healthcare · as of Jun 30, 2026Robeco Institutional Asset Management B.V. holds $4,134,092,265 across 9 Drug Manufacturers - General names. BIIB ranks #9 (4.1% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | LLY |
ELI LILLY & Co
|
758,740 | $910,055,594 | |
| 2 | ABBV |
AbbVie Inc.
|
3,565,119 | $897,126,545 | |
| 3 | JNJ |
Johnson & Johnson
|
1,966,109 | $499,332,702 | |
| 4 | GILD |
Gilead Sciences, Inc.
|
3,459,893 | $437,122,881 | |
| 5 | BMY |
Bristol Myers Squibb Co
|
7,244,630 | $417,435,580 | |
| 6 | MRK |
Merck & Co., Inc.
|
2,373,993 | $305,058,100 | |
| 7 | PFE |
Pfizer Inc
|
11,918,197 | $286,990,183 | |
| 8 | AMGN |
Amgen Inc
|
580,049 | $210,047,343 |
All Filings in BIIB
Export CSV
26 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $170,923,337 | 791,092 | Shares | Defined | 2026-07-21 | |
| 2026-03-31 | $139,912,689 | 763,174 | Shares | Defined | 2026-04-21 | |
| 2025-12-31 | $107,513,698 | 610,908 | Shares | Defined | 2026-01-23 | |
| 2025-09-30 | $94,001,244 | 671,054 | Shares | Defined | 2025-10-22 | |
| 2025-06-30 | $56,359,391 | 448,757 | Shares | Defined | 2025-07-18 | |
| 2025-03-31 | $62,060,908 | 453,529 | Shares | Defined | 2025-04-23 | |
| 2024-12-31 | $62,433,565 | 408,276 | Shares | Defined | 2025-01-23 | |
| 2024-09-30 | $53,249,398 | 274,708 | Shares | Defined | 2024-10-29 | |
| 2024-06-30 | $49,826,695 | 214,937 | Shares | Defined | 2024-07-23 | |
| 2024-03-31 | $49,921,795 | 231,516 | Shares | Defined | 2024-04-24 | |
| 2023-12-31 | $75,959,345 | 293,540 | Shares | Defined | 2024-02-14 | |
| 2023-09-30 | $87,848,588 | 341,810 | Shares | Defined | 2023-10-24 | |
| 2023-06-30 | $97,765,362 | 343,217 | Shares | Defined | 2023-07-24 | |
| 2023-03-31 | $100,493,109 | 361,447 | Shares | Defined | 2023-05-04 | |
| 2022-12-31 | $86,719,436 | 313,157 | Shares | Defined | 2023-02-07 | |
| 2022-09-30 | $82,186,872 | 307,816 | Shares | Defined | 2022-12-01 | |
| 2022-06-30 | $37,017,353 | 181,511 | Shares | Defined | 2022-12-01 | |
| 2022-03-31 | $37,401,717 | 177,596 | Shares | Defined | 2022-12-01 | |
| 2021-12-31 | $45,888,298 | 191,265 | Shares | Defined | 2022-12-01 | |
| 2021-09-30 | $48,719,841 | 172,161 | Shares | Defined | 2022-12-01 | |
| 2021-06-30 | $56,942,370 | 164,445 | Shares | Defined | 2022-12-01 | |
| 2021-03-31 | $77,096,022 | 275,589 | Shares | Defined | 2022-12-01 | |
| 2020-12-31 | $79,456,825 | 324,499 | Shares | Defined | 2022-12-01 | |
| 2020-09-30 | $159,730,562 | 563,066 | Shares | Defined | 2021-01-19 | |
| 2020-06-30 | $107,731,147 | 402,658 | Shares | Defined | 2021-01-19 | |
| 2020-03-31 | $82,084,158 | 259,448 | Shares | Defined | 2021-01-19 | |
| No filing history on record for this holder in this stock. | ||||||