Position in REGN
as of Mar 31, 2026
· filed May 13, 2026
Position Value
$4,171,483
+$1,707,674 QoQ
Shares Held
5,399
+69.1% QoQ
Ownership
0.005%
of shares outstanding
% of Portfolio
0.17%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Sep 2020
5 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in REGN Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Mar 31, 2026GROUP ONE TRADING LLC holds $126,503,470 across 207 Biotechnology names. REGN ranks #7 (3.3% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | CYTK |
Cytokinetics Inc
|
363,997 | $23,991,042 | |
| 2 | BNTX |
BioNTech SE
|
103,948 | $9,238,898 | |
| 3 | VKTX |
Viking Therapeutics, Inc.
|
211,817 | $6,892,525 | |
| 4 | AGIO |
Agios Pharmaceuticals, Inc.
|
173,279 | $5,862,028 | |
| 5 | CRSP |
CRISPR Therapeutics AG
|
96,001 | $4,566,767 | |
| 6 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
9,357 | $4,178,274 | |
| 7 | REGN |
Regeneron Pharmaceuticals, Inc.
This page
|
5,399 | $4,171,483 | |
| 8 | ABVX |
Abivax S.A.
|
35,767 | $3,982,655 |
All Filings in REGN
Export CSV
5 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $4,171,483 | 5,399 | Shares | Sole | 2026-05-13 | |
| 2025-12-31 | $2,463,809 | 3,192 | Shares | Sole | 2026-02-12 | |
| 2025-09-30 | $2,107,950 | 3,749 | Shares | Sole | 2025-11-12 | |
| 2025-03-31 | $485,185 | 765 | Shares | Sole | 2025-05-14 | |
| 2020-09-30 | $535,149 | 956 | Shares | Sole | 2020-11-12 | |
| No filing history on record for this holder in this stock. | ||||||