Robeco Institutional Asset Management B.V.
Position in REGN — Regeneron Pharmaceuticals, Inc.
CIK 1418773
ROTTERDAM, P7
Position in REGN
as of Mar 31, 2026
· filed Apr 21, 2026
Position Value
$269,486,787
+$67,372,628 QoQ
Shares Held
348,787
+33.2% QoQ
Ownership
0.333%
of shares outstanding
% of Portfolio
0.40%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 39.73886641417255.ToString("F0")%
Shared 0.ToString("F0")%
None 60.26113358582745.ToString("F0")%
Common Shares in REGN Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Mar 31, 2026Robeco Institutional Asset Management B.V. holds $889,404,646 across 13 Biotechnology names. REGN ranks #1 (30.3% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | REGN |
Regeneron Pharmaceuticals, Inc.
This page
|
348,787 | $269,486,787 | |
| 2 | INCY |
Incyte Corp
|
2,514,383 | $236,653,727 | |
| 3 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
401,644 | $179,350,111 | |
| 4 | EXEL |
Exelixis, Inc.
|
1,289,101 | $55,289,541 | |
| 5 | RPRX |
Royalty Pharma plc
|
944,594 | $45,312,174 | |
| 6 | ALNY |
Alnylam Pharmaceuticals, Inc.
|
126,463 | $41,842,812 | |
| 7 | BMRN |
Biomarin Pharmaceutical Inc
|
545,135 | $30,794,676 | |
| 8 | JAZZ |
Jazz Pharmaceuticals plc
|
123,082 | $23,268,652 |
All Filings in REGN
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25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $269,486,787 | 348,787 | Shares | Defined | 2026-04-21 | |
| 2025-12-31 | $202,114,159 | 261,850 | Shares | Defined | 2026-01-23 | |
| 2025-09-30 | $67,969,446 | 120,884 | Shares | Defined | 2025-10-22 | |
| 2025-06-30 | $25,046,700 | 47,708 | Shares | Defined | 2025-07-18 | |
| 2025-03-31 | $71,347,703 | 112,495 | Shares | Defined | 2025-04-23 | |
| 2024-12-31 | $92,109,967 | 129,308 | Shares | Defined | 2025-01-23 | |
| 2024-09-30 | $134,745,840 | 128,178 | Shares | Defined | 2024-10-29 | |
| 2024-06-30 | $133,412,493 | 126,935 | Shares | Defined | 2024-07-23 | |
| 2024-03-31 | $112,002,073 | 116,367 | Shares | Defined | 2024-04-24 | |
| 2023-12-31 | $105,650,382 | 120,291 | Shares | Defined | 2024-02-14 | |
| 2023-09-30 | $95,079,037 | 115,533 | Shares | Defined | 2023-10-24 | |
| 2023-06-30 | $88,269,046 | 122,845 | Shares | Defined | 2023-07-24 | |
| 2023-03-31 | $101,412,976 | 123,423 | Shares | Defined | 2023-05-04 | |
| 2022-12-31 | $88,777,901 | 123,048 | Shares | Defined | 2023-02-07 | |
| 2022-09-30 | $71,263,601 | 103,450 | Shares | Defined | 2022-12-01 | |
| 2022-06-30 | $48,921,918 | 82,760 | Shares | Defined | 2022-12-01 | |
| 2022-03-31 | $47,336,113 | 67,776 | Shares | Defined | 2022-12-01 | |
| 2021-12-31 | $31,857,026 | 50,445 | Shares | Defined | 2022-12-01 | |
| 2021-09-30 | $35,486,544 | 58,638 | Shares | Defined | 2022-12-01 | |
| 2021-06-30 | $20,802,263 | 37,244 | Shares | Defined | 2022-12-01 | |
| 2021-03-31 | $53,282,187 | 112,614 | Shares | Defined | 2022-12-01 | |
| 2020-12-31 | $76,559,891 | 158,473 | Shares | Defined | 2022-12-01 | |
| 2020-09-30 | $97,496,882 | 174,170 | Shares | Defined | 2021-01-19 | |
| 2020-06-30 | $96,740,588 | 155,120 | Shares | Defined | 2021-01-19 | |
| 2020-03-31 | $17,267,887 | 35,364 | Shares | Defined | 2021-01-19 | |
| No filing history on record for this holder in this stock. | ||||||