MILLENNIUM MANAGEMENT LLC
Position in REGN — Regeneron Pharmaceuticals, Inc.
CIK 1273087
NEW YORK, NY
Position in REGN
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$102,958,924
+$54,491,217 QoQ
Shares Held
165,120
+163.2% QoQ
Ownership
0.160%
of shares outstanding
% of Portfolio
0.08%
of 13F equity value
Holder Rank
#79
of 1,297 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)
Derivatives in REGN
reported options exposure · as of Jun 30, 2026CallValue
$21,449,776
CallShares
34,400
PutValue
$22,509,794
PutShares
36,100
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, 2026MILLENNIUM MANAGEMENT LLC holds $4,595,539,054 across 322 Biotechnology names. REGN ranks #8 (2.2% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
468,410 | $232,673,299 | |
| 2 | INSM |
INSMED Inc
|
2,048,005 | $218,358,293 | |
| 3 | APGE |
Apogee Therapeutics, Inc.
|
1,491,404 | $197,954,052 | |
| 4 | JAZZ |
Jazz Pharmaceuticals plc
|
763,880 | $184,072,163 | |
| 5 | ONC |
BeOne Medicines Ltd.
|
543,323 | $154,830,755 | |
| 6 | AXSM |
Axsome Therapeutics, Inc.
|
556,088 | $136,113,659 | |
| 7 | BMRN |
Biomarin Pharmaceutical Inc
|
2,071,816 | $118,549,311 | |
| 8 | REGN |
Regeneron Pharmaceuticals, Inc.
This page
|
165,120 | $102,958,924 |
All Filings in REGN
Export CSV
50 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $22,509,794 | 36,100 | Put | Sole | 2026-08-14 | |
| 2026-06-30 | $21,449,776 | 34,400 | Call | Sole | 2026-08-14 | |
| 2026-06-30 | $102,958,924 | 165,120 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $21,788,448 | 28,200 | Call | Sole | 2026-05-15 | |
| 2026-03-31 | $31,910,032 | 41,300 | Put | Sole | 2026-05-15 | |
| 2026-03-31 | $48,467,707 | 62,730 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $30,102,930 | 39,000 | Call | Sole | 2026-02-17 | |
| 2025-12-31 | $293,131,526 | 379,768 | Shares | Sole | 2026-02-17 | |
| 2025-12-31 | $19,296,750 | 25,000 | Put | Sole | 2026-02-17 | |
| 2025-09-30 | $113,061,251 | 201,080 | Shares | Sole | 2025-11-14 | |
| 2025-09-30 | $6,353,651 | 11,300 | Call | Sole | 2025-11-14 | |
| 2025-09-30 | $33,230,157 | 59,100 | Put | Sole | 2025-11-14 | |
| 2025-06-30 | $34,335,000 | 65,400 | Call | Sole | 2025-08-14 | |
| 2025-06-30 | $177,883,650 | 338,826 | Shares | Sole | 2025-08-14 | |
| 2025-06-30 | $20,055,000 | 38,200 | Put | Sole | 2025-08-14 | |
| 2025-03-31 | $26,891,352 | 42,400 | Call | Sole | 2025-05-15 | |
| 2025-03-31 | $25,940,007 | 40,900 | Put | Sole | 2025-05-15 | |
| 2025-03-31 | $107,555,894 | 169,585 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $95,101,041 | 133,507 | Shares | Sole | 2025-02-14 | |
| 2024-12-31 | $18,591,813 | 26,100 | Call | Sole | 2025-02-14 | |
| 2024-12-31 | $42,169,936 | 59,200 | Put | Sole | 2025-02-14 | |
| 2024-09-30 | $12,089,260 | 11,500 | Call | Sole | 2024-11-14 | |
| 2024-09-30 | $153,481,040 | 146,000 | Put | Sole | 2024-11-14 | |
| 2024-09-30 | $211,482,155 | 201,174 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $119,081,699 | 113,300 | Put | Sole | 2024-08-14 | |
| 2024-06-30 | $44,878,981 | 42,700 | Call | Sole | 2024-08-14 | |
| 2024-06-30 | $280,658,642 | 267,032 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $130,417,395 | 135,500 | Put | Sole | 2024-05-15 | |
| 2024-03-31 | $58,519,392 | 60,800 | Call | Sole | 2024-05-15 | |
| 2024-03-31 | $191,733,782 | 199,206 | Shares | Sole | 2024-05-15 | |
| 2023-12-31 | $65,871,750 | 75,000 | Call | Sole | 2024-02-14 | |
| 2023-12-31 | $162,483,650 | 185,000 | Put | Sole | 2024-02-14 | |
| 2023-12-31 | $246,167,999 | 280,281 | Shares | Sole | 2024-02-14 | |
| 2023-09-30 | $50,776,632 | 61,700 | Call | Sole | 2023-11-14 | |
| 2023-09-30 | $170,188,128 | 206,800 | Put | Sole | 2023-11-14 | |
| 2023-09-30 | $30,456,926 | 37,009 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $35,681,977 | 49,659 | Shares | Sole | 2023-08-14 | |
| 2023-06-30 | $54,609,040 | 76,000 | Call | Sole | 2023-08-14 | |
| 2023-06-30 | $113,098,196 | 157,400 | Put | Sole | 2023-08-14 | |
| 2023-03-31 | $112,486,623 | 136,900 | Put | Sole | 2023-05-15 | |
| 2023-03-31 | $227,251,736 | 276,573 | Shares | Sole | 2023-05-15 | |
| 2023-03-31 | $5,094,354 | 6,200 | Call | Sole | 2023-05-15 | |
| 2022-12-31 | $166,519,892 | 230,800 | Put | Sole | 2023-02-14 | |
| 2022-12-31 | $24,518,394 | 33,983 | Shares | Sole | 2023-02-14 | |
| 2022-12-31 | $24,314,213 | 33,700 | Call | Sole | 2023-02-14 | |
| 2022-09-30 | $141,976,107 | 206,100 | Put | Sole | 2022-11-14 | |
| 2022-09-30 | $22,870,484 | 33,200 | Call | Sole | 2022-11-14 | |
| 2022-09-30 | $7,651,279 | 11,107 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $12,531,956 | 21,200 | Call | Sole | 2022-08-15 | |
| 2022-06-30 | $3,665,597 | 6,201 | Shares | Sole | 2022-08-15 | |
| No filing history on record for this holder in this stock. | ||||||