ACADIAN ASSET MANAGEMENT LLC
Position in REGN — Regeneron Pharmaceuticals, Inc.
CIK 916542
Boston, MA
Position in REGN
as of Jun 30, 2026
· filed Aug 13, 2026
Position Value
$98,170,137
-$18,646,077 QoQ
Shares Held
157,440
+4.1% QoQ
Ownership
0.153%
of shares outstanding
% of Portfolio
0.12%
of 13F equity value
Holder Rank
#83
of 1,322 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in REGN Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Jun 30, 2026ACADIAN ASSET MANAGEMENT LLC holds $731,256,203 across 167 Biotechnology names. REGN ranks #2 (13.4% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | INCY |
Incyte Corp
|
1,664,999 | $188,744,286 | |
| 2 | REGN |
Regeneron Pharmaceuticals, Inc.
This page
|
157,440 | $98,170,137 | |
| 3 | IMCR |
Immunocore Holdings plc
|
1,209,894 | $38,414,134 | |
| 4 | RIGL |
Rigel Pharmaceuticals Inc
|
591,686 | $23,146,756 | |
| 5 | EXEL |
Exelixis, Inc.
|
421,444 | $22,930,768 | |
| 6 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
42,122 | $20,923,261 | |
| 7 | TBPH |
Theravance Biopharma, Inc.
|
1,174,910 | $19,973,470 | |
| 8 | PRTA |
Prothena Corp Public Ltd Co
|
2,010,645 | $19,684,214 |
All Filings in REGN
Export CSV
26 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $98,170,137 | 157,440 | Shares | Defined | 2026-08-13 | |
| 2026-03-31 | $116,816,214 | 151,191 | Shares | Defined | 2026-05-13 | |
| 2025-12-31 | $344,095,786 | 445,795 | Shares | Defined | 2026-02-10 | |
| 2025-09-30 | $328,649,626 | 584,505 | Shares | Defined | 2025-11-13 | |
| 2025-06-30 | $244,513,500 | 465,740 | Shares | Defined | 2025-08-07 | |
| 2025-03-31 | $88,257,544 | 139,157 | Shares | Defined | 2025-05-21 | |
| 2024-12-31 | $58,653,964 | 82,341 | Shares | Defined | 2025-02-11 | |
| 2024-09-30 | $70,736,888 | 67,289 | Shares | Defined | 2024-11-12 | |
| 2024-06-30 | $76,546,514 | 72,830 | Shares | Defined | 2024-08-06 | |
| 2024-03-31 | $59,810,091 | 62,141 | Shares | Defined | 2024-05-10 | |
| 2023-12-31 | $39,773,362 | 45,285 | Shares | Defined | 2024-02-13 | |
| 2023-09-30 | $58,670,464 | 71,292 | Shares | Defined | 2023-11-13 | |
| 2023-06-30 | $58,974,889 | 82,076 | Shares | Defined | 2023-08-07 | |
| 2023-03-31 | $84,655,838 | 103,029 | Shares | Defined | 2023-05-11 | |
| 2022-12-31 | $144,574,330 | 200,383 | Shares | Defined | 2023-02-14 | |
| 2022-09-30 | $179,791,625 | 260,995 | Shares | Defined | 2022-11-14 | |
| 2022-06-30 | $212,460,988 | 359,415 | Shares | Defined | 2022-08-09 | |
| 2022-03-31 | $299,760,467 | 429,198 | Shares | Defined | 2022-05-12 | |
| 2021-12-31 | $285,568,923 | 452,193 | Shares | Defined | 2022-02-10 | |
| 2021-09-30 | $320,421,628 | 529,465 | Shares | Defined | 2021-11-12 | |
| 2021-06-30 | $246,679,191 | 441,650 | Shares | Defined | 2021-08-11 | |
| 2021-03-31 | $201,261,454 | 425,374 | Shares | Defined | 2021-05-11 | |
| 2020-12-31 | $45,518,624 | 94,220 | Shares | Defined | 2021-02-11 | |
| 2020-09-30 | $53,458,430 | 95,499 | Shares | Defined | 2020-11-09 | |
| 2020-06-30 | $50,028,579 | 80,219 | Shares | Defined | 2020-08-12 | |
| 2020-03-31 | $1,740,753 | 3,565 | Shares | Defined | 2020-05-11 | |
| No filing history on record for this holder in this stock. | ||||||