Position in REGN
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$23,991,948
+$6,429,842 QoQ
Shares Held
38,477
+69.3% QoQ
Ownership
0.037%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
#193
of 1,322 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority
Sole 83%
Shared 0%
None 17%
Common Shares in REGN Over Time
Shares Held
Position Value (USD)
Derivatives in REGN
reported options exposure · as of Jun 30, 2026CallValue
$0
CallShares
0
PutValue
$4,863,612
PutShares
7,800
Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.
Position in Biotechnology
Healthcare · as of Jun 30, 2026D. E. Shaw & Co., Inc. holds $5,017,559,982 across 217 Biotechnology names. REGN ranks #42 (0.5% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | INSM |
INSMED Inc
|
5,877,959 | $626,707,987 | |
| 2 | ALNY |
Alnylam Pharmaceuticals, Inc.
|
1,104,109 | $332,369,932 | |
| 3 | EXEL |
Exelixis, Inc.
|
5,551,747 | $302,070,554 | |
| 4 | BBIO |
BridgeBio Pharma, Inc.
|
3,633,007 | $270,586,360 | |
| 5 | TGTX |
Tg Therapeutics, Inc.
|
3,400,808 | $186,840,390 | |
| 6 | HALO |
Halozyme Therapeutics, Inc.
|
2,006,479 | $157,047,110 | |
| 7 | AXSM |
Axsome Therapeutics, Inc.
|
604,753 | $148,025,391 | |
| 8 | PTCT |
Ptc Therapeutics, Inc.
|
1,548,919 | $126,345,322 |
All Filings in REGN
Export CSV
50 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $23,991,948 | 38,477 | Shares | Defined | 2026-08-14 | |
| 2026-06-30 | $4,863,612 | 7,800 | Put | Defined | 2026-08-14 | |
| 2026-03-31 | $17,562,106 | 22,730 | Shares | Defined | 2026-05-15 | |
| 2026-03-31 | $6,026,592 | 7,800 | Put | Defined | 2026-05-15 | |
| 2025-12-31 | $11,732,424 | 15,200 | Call | Defined | 2026-02-17 | |
| 2025-12-31 | $6,020,586 | 7,800 | Put | Defined | 2026-02-17 | |
| 2025-12-31 | $120,006,487 | 155,475 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $484,447,896 | 861,593 | Shares | Defined | 2025-11-14 | |
| 2025-09-30 | $11,245,400 | 20,000 | Put | Defined | 2025-11-14 | |
| 2025-09-30 | $24,571,199 | 43,700 | Call | Defined | 2025-11-14 | |
| 2025-06-30 | $408,171,225 | 777,469 | Shares | Defined | 2025-08-14 | |
| 2025-06-30 | $13,125,000 | 25,000 | Call | Defined | 2025-08-14 | |
| 2025-06-30 | $9,555,000 | 18,200 | Put | Defined | 2025-08-14 | |
| 2025-03-31 | $14,967,828 | 23,600 | Put | Defined | 2025-05-15 | |
| 2025-03-31 | $367,148,770 | 578,889 | Shares | Defined | 2025-05-15 | |
| 2025-03-31 | $24,291,009 | 38,300 | Call | Defined | 2025-05-15 | |
| 2024-12-31 | $356,328,835 | 500,230 | Shares | Defined | 2025-02-14 | |
| 2024-12-31 | $27,567,171 | 38,700 | Call | Defined | 2025-02-14 | |
| 2024-12-31 | $27,638,404 | 38,800 | Put | Defined | 2025-02-14 | |
| 2024-09-30 | $279,877,931 | 266,236 | Shares | Defined | 2024-11-14 | |
| 2024-09-30 | $44,677,700 | 42,500 | Call | Defined | 2024-11-14 | |
| 2024-06-30 | $315,309 | 300 | Call | Defined | 2024-08-14 | |
| 2024-06-30 | $267,397,797 | 254,415 | Shares | Defined | 2024-08-14 | |
| 2024-03-31 | $221,826,032 | 230,471 | Shares | Defined | 2024-05-15 | |
| 2023-12-31 | $6,587,175 | 7,500 | Put | Defined | 2024-02-14 | |
| 2023-12-31 | $319,748,500 | 364,058 | Shares | Defined | 2024-02-14 | |
| 2023-09-30 | $304,841,665 | 370,421 | Shares | Defined | 2023-11-14 | |
| 2023-06-30 | $206,780,721 | 287,779 | Shares | Defined | 2023-08-14 | |
| 2023-03-31 | $124,345,785 | 151,333 | Shares | Defined | 2023-05-15 | |
| 2022-12-31 | $22,654,786 | 31,400 | Put | Defined | 2023-02-14 | |
| 2022-12-31 | $11,756,679 | 16,295 | Shares | Defined | 2023-02-14 | |
| 2022-12-31 | $5,771,920 | 8,000 | Call | Defined | 2023-02-14 | |
| 2022-09-30 | $5,510,960 | 8,000 | Call | Defined | 2022-11-14 | |
| 2022-09-30 | $18,255,055 | 26,500 | Put | Defined | 2022-11-14 | |
| 2022-09-30 | $25,780,959 | 37,425 | Shares | Defined | 2022-11-14 | |
| 2022-06-30 | $38,026,209 | 64,328 | Shares | Defined | 2022-08-15 | |
| 2022-06-30 | $30,443,195 | 51,500 | Put | Defined | 2022-08-15 | |
| 2022-06-30 | $22,167,375 | 37,500 | Call | Defined | 2022-08-15 | |
| 2022-03-31 | $32,476,530 | 46,500 | Put | Defined | 2022-05-16 | |
| 2022-03-31 | $139,476,569 | 199,703 | Shares | Defined | 2022-05-16 | |
| 2022-03-31 | $33,174,950 | 47,500 | Call | Defined | 2022-05-16 | |
| 2021-12-31 | $184,953,893 | 292,871 | Shares | Defined | 2022-02-14 | |
| 2021-12-31 | $40,164,672 | 63,600 | Call | Defined | 2022-02-14 | |
| 2021-12-31 | $72,687,952 | 115,100 | Put | Defined | 2022-02-14 | |
| 2021-09-30 | $18,155,400 | 30,000 | Call | Defined | 2021-11-15 | |
| 2021-09-30 | $49,987,868 | 82,600 | Put | Defined | 2021-11-15 | |
| 2021-09-30 | $104,172,659 | 172,135 | Shares | Defined | 2021-11-15 | |
| 2021-06-30 | $46,135,404 | 82,600 | Put | Defined | 2021-08-16 | |
| 2021-06-30 | $29,611,556 | 53,016 | Shares | Defined | 2021-08-16 | |
| 2021-06-30 | $28,206,270 | 50,500 | Call | Defined | 2021-08-16 | |
| No filing history on record for this holder in this stock. | ||||||