ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
Position in REGN — Regeneron Pharmaceuticals, Inc.
CIK 1164508
BOSTON, MA
Position in REGN
as of Jun 30, 2026
· filed Aug 13, 2026
Position Value
$245,478,344
+$112,915,727 QoQ
Shares Held
393,685
+129.5% QoQ
Ownership
0.382%
of shares outstanding
% of Portfolio
0.11%
of 13F equity value
Holder Rank
#37
of 1,327 holders
Holding Since
Sep 2020
14 quarters on record
Voting authority
Sole 79%
Shared 0%
None 21%
Common Shares in REGN Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Jun 30, 2026ARROWSTREET CAPITAL, LIMITED PARTNERSHIP holds $2,519,535,758 across 72 Biotechnology names. REGN ranks #3 (9.7% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
738,378 | $366,774,503 | |
| 2 | INCY |
Incyte Corp
|
2,744,958 | $311,168,438 | |
| 3 | REGN |
Regeneron Pharmaceuticals, Inc.
This page
|
393,685 | $245,478,344 | |
| 4 | EXEL |
Exelixis, Inc.
|
4,365,926 | $237,550,033 | |
| 5 | GMAB |
Genmab A/S
|
4,975,324 | $136,672,150 | |
| 6 | RPRX |
Royalty Pharma plc
|
2,435,341 | $136,549,569 | |
| 7 | HALO |
Halozyme Therapeutics, Inc.
|
1,704,623 | $133,420,842 | |
| 8 | ONC |
BeOne Medicines Ltd.
|
249,758 | $71,173,537 |
All Filings in REGN
Export CSV
14 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $245,478,344 | 393,685 | Shares | Defined | 2026-08-13 | |
| 2026-03-31 | $132,562,617 | 171,571 | Shares | Defined | 2026-05-14 | |
| 2025-12-31 | $150,279,229 | 194,695 | Shares | Defined | 2026-02-13 | |
| 2025-09-30 | $108,284,205 | 192,584 | Shares | Defined | 2025-11-13 | |
| 2025-06-30 | $3,183,075 | 6,063 | Shares | Defined | 2025-08-13 | |
| 2023-09-30 | $1,861,535 | 2,262 | Shares | Defined | 2023-11-14 | |
| 2023-06-30 | $1,625,337 | 2,262 | Shares | Defined | 2023-08-14 | |
| 2022-12-31 | $1,198,394 | 1,661 | Shares | Defined | 2023-02-14 | |
| 2022-09-30 | $692,314 | 1,005 | Shares | Defined | 2022-11-14 | |
| 2022-06-30 | $105,541,532 | 178,542 | Shares | Defined | 2022-08-15 | |
| 2022-03-31 | $25,298,867 | 36,223 | Shares | Defined | 2022-05-13 | |
| 2021-12-31 | $2,913,833 | 4,614 | Shares | Defined | 2022-02-14 | |
| 2020-12-31 | $338,177 | 700 | Shares | Defined | 2021-02-12 | |
| 2020-09-30 | $6,829,316 | 12,200 | Shares | Defined | 2020-11-12 | |
| No filing history on record for this holder in this stock. | ||||||