BNP PARIBAS ARBITRAGE, SA
Position in REGN — Regeneron Pharmaceuticals, Inc.
CIK 1166588
NEW YORK, NY
Position in REGN
as of Mar 31, 2026
· filed May 12, 2026
Position Value
$346,429,369
+$6,155,111 QoQ
Shares Held
448,371
+1.7% QoQ
Ownership
0.428%
of shares outstanding
% of Portfolio
0.27%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 0.ToString("F0")%
Shared 100.ToString("F0")%
None 0.ToString("F0")%
Common Shares in REGN Over Time
Shares Held
Position Value (USD)
Derivatives in REGN
reported options exposure · as of Mar 31, 2026CallValue
$36,312
CallShares
47
PutValue
$30,904
PutShares
40
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 Mar 31, 2026BNP PARIBAS ARBITRAGE, SA holds $2,945,771,612 across 414 Biotechnology names. REGN ranks #1 (11.8% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | REGN |
Regeneron Pharmaceuticals, Inc.
This page
|
448,371 | $346,429,369 | |
| 2 | MRNA |
Moderna, Inc.
|
4,317,219 | $219,314,725 | |
| 3 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
415,625 | $185,593,187 | |
| 4 | BNTX |
BioNTech SE
|
1,651,789 | $146,811,006 | |
| 5 | ARGX |
Argenx SE
|
177,836 | $129,864,739 | |
| 6 | INSM |
INSMED Inc
|
604,600 | $98,864,192 | |
| 7 | BBIO |
BridgeBio Pharma, Inc.
|
1,307,176 | $97,070,889 | |
| 8 | ALNY |
Alnylam Pharmaceuticals, Inc.
|
280,965 | $92,962,889 |
All Filings in REGN
Export CSV
50 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $36,312 | 47 | Call | Defined | 2026-05-12 | |
| 2026-03-31 | $346,429,369 | 448,371 | Shares | Defined | 2026-05-12 | |
| 2026-03-31 | $30,904 | 40 | Put | Defined | 2026-05-12 | |
| 2025-12-31 | $108,060 | 140 | Put | Defined | 2026-02-10 | |
| 2025-12-31 | $58,660 | 76 | Call | Defined | 2026-02-10 | |
| 2025-12-31 | $340,274,258 | 440,844 | Shares | Defined | 2026-02-10 | |
| 2025-09-30 | $109,640 | 195 | Put | Defined | 2025-11-13 | |
| 2025-09-30 | $34,297 | 61 | Call | Defined | 2025-11-13 | |
| 2025-09-30 | $268,569,390 | 477,652 | Shares | Defined | 2025-11-13 | |
| 2025-06-30 | $525 | 1 | Call | Defined | 2025-08-14 | |
| 2025-06-30 | $275,287,950 | 524,358 | Shares | Defined | 2025-08-14 | |
| 2025-06-30 | $139,650 | 266 | Put | Defined | 2025-08-14 | |
| 2025-03-31 | $473,524,362 | 746,613 | Shares | Defined | 2025-05-14 | |
| 2025-03-31 | $435,700 | 687 | Put | Defined | 2025-05-14 | |
| 2025-03-31 | $107,181 | 169 | Call | Defined | 2025-05-14 | |
| 2024-12-31 | $850,489 | 1,194 | Put | Defined | 2025-02-14 | |
| 2024-12-31 | $384,370,418 | 539,596 | Shares | Defined | 2025-02-14 | |
| 2024-12-31 | $245,743 | 345 | Call | Defined | 2025-02-14 | |
| 2024-09-30 | $361,618 | 344 | Call | Defined | 2024-11-13 | |
| 2024-09-30 | $998,654 | 950 | Put | Defined | 2024-11-13 | |
| 2024-09-30 | $310,548,910 | 295,412 | Shares | Defined | 2024-11-13 | |
| 2024-06-30 | $259,279,641 | 246,691 | Shares | Defined | 2024-08-13 | |
| 2024-06-30 | $915,431 | 871 | Put | Defined | 2024-08-13 | |
| 2024-06-30 | $367,854 | 350 | Call | Defined | 2024-08-13 | |
| 2024-03-31 | $925,884 | 962 | Put | Defined | 2024-05-01 | |
| 2024-03-31 | $230,828,201 | 239,824 | Shares | Defined | 2024-05-01 | |
| 2024-03-31 | $323,384 | 336 | Call | Defined | 2024-05-01 | |
| 2023-12-31 | $189,304,869 | 215,538 | Shares | Defined | 2024-02-14 | |
| 2023-12-31 | $305,632 | 348 | Call | Defined | 2024-02-14 | |
| 2023-12-31 | $1,016,159 | 1,157 | Put | Defined | 2024-02-14 | |
| 2023-09-30 | $152,334,833 | 185,106 | Shares | Defined | 2023-11-14 | |
| 2023-09-30 | $244,410 | 297 | Call | Defined | 2023-11-14 | |
| 2023-09-30 | $932,394 | 1,133 | Put | Defined | 2023-11-14 | |
| 2023-06-30 | $569,071 | 792 | Put | Defined | 2023-08-09 | |
| 2023-06-30 | $144,423 | 201 | Call | Defined | 2023-08-09 | |
| 2023-06-30 | $108,645,403 | 151,203 | Shares | Defined | 2023-08-09 | |
| 2023-03-31 | $432,188 | 526 | Put | Defined | 2023-05-12 | |
| 2023-03-31 | $90,414,923 | 110,038 | Shares | Defined | 2023-05-12 | |
| 2023-03-31 | $165,971 | 202 | Call | Defined | 2023-05-12 | |
| 2022-12-31 | $173,149 | 240 | Call | Defined | 2023-02-14 | |
| 2022-12-31 | $377,328 | 523 | Put | Defined | 2023-02-14 | |
| 2022-12-31 | $72,436,153 | 100,398 | Shares | Defined | 2023-02-14 | |
| 2022-09-30 | $58,551,883 | 84,997 | Shares | Defined | 2022-11-16 | |
| 2022-09-30 | $126,060 | 183 | Call | Defined | 2022-11-16 | |
| 2022-09-30 | $276,232 | 401 | Put | Defined | 2022-11-16 | |
| 2022-06-30 | $54,535,880 | 92,257 | Shares | Defined | 2022-08-12 | |
| 2022-06-30 | $125,316 | 212 | Call | Defined | 2022-08-12 | |
| 2022-06-30 | $226,989 | 384 | Put | Defined | 2022-08-12 | |
| 2022-03-31 | $191,364 | 274 | Put | Defined | 2022-05-18 | |
| 2022-03-31 | $46,682,392 | 66,840 | Shares | Defined | 2022-05-18 | |
| No filing history on record for this holder in this stock. | ||||||