Jefferies Financial Group Inc.
Position in REGN — Regeneron Pharmaceuticals, Inc.
CIK 96223
NEW YORK, NY
Position in REGN
as of Jun 30, 2026
· filed Aug 17, 2026
Position Value
$12,308,679
+$1,892,720 QoQ
Shares Held
19,740
+46.4% QoQ
Ownership
0.019%
of shares outstanding
% of Portfolio
0.14%
of 13F equity value
Holder Rank
#267
of 1,322 holders
Holding Since
Dec 2022
14 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in REGN Over Time
Shares Held
Position Value (USD)
Derivatives in REGN
reported options exposure · as of Dec 31, 2024CallValue
$7,621,931
CallShares
10,700
PutValue
$0
PutShares
0
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, 2026Jefferies Financial Group Inc. holds $677,219,224 across 66 Biotechnology names. REGN ranks #11 (1.8% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | PTCT |
Ptc Therapeutics, Inc.
|
1,357,042 | $110,693,915 | |
| 2 | URGN |
UroGen Pharma Ltd.
|
2,199,652 | $80,947,193 | |
| 3 | IMTX |
Immatics N.V.
|
6,506,802 | $65,913,904 | |
| 4 | TNGX |
Tango Therapeutics, Inc.
|
2,010,534 | $62,849,292 | |
| 5 | CGON |
CG Oncology, Inc.
|
769,947 | $54,704,734 | |
| 6 | ARGX |
Argenx SE
|
45,068 | $41,812,738 | |
| 7 | RARE |
Ultragenyx Pharmaceutical Inc.
|
929,626 | $31,040,212 | |
| 8 | BMRN |
Biomarin Pharmaceutical Inc
|
466,258 | $26,679,282 |
All Filings in REGN
Export CSV
16 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $12,308,679 | 19,740 | Shares | Defined | 2026-08-17 | |
| 2026-03-31 | $10,415,959 | 13,481 | Shares | Defined | 2026-05-08 | |
| 2025-12-31 | $4,542,454 | 5,885 | Shares | Defined | 2026-02-09 | |
| 2025-09-30 | $14,357,564 | 25,535 | Shares | Defined | 2025-11-13 | |
| 2025-03-31 | $4,200,505 | 6,623 | Shares | Defined | 2025-05-08 | |
| 2024-12-31 | $25,517,085 | 35,822 | Shares | Defined | 2025-02-27 | |
| 2024-12-31 | $7,621,931 | 10,700 | Call | Defined | 2025-02-27 | |
| 2024-09-30 | $28,903,843 | 27,495 | Shares | Defined | 2024-11-14 | |
| 2024-06-30 | $21,536,655 | 20,491 | Shares | Defined | 2024-08-13 | |
| 2024-03-31 | $8,315,913 | 8,640 | Shares | Defined | 2024-05-13 | |
| 2023-12-31 | $6,850,662 | 7,800 | Shares | Defined | 2024-05-06 | |
| 2023-09-30 | $1,892,808 | 2,300 | Shares | Defined | 2023-11-14 | |
| 2023-06-30 | $6,897,984 | 9,600 | Shares | Defined | 2023-08-14 | |
| 2023-03-31 | $10,579,001 | 12,875 | Shares | Defined | 2023-05-15 | |
| 2023-03-31 | $5,751,690 | 7,000 | Call | Defined | 2023-05-15 | |
| 2022-12-31 | $395,376 | 548 | Shares | Defined | 2023-09-21 | |
| No filing history on record for this holder in this stock. | ||||||