Position in REGN
as of Jun 30, 2026
· filed Aug 12, 2026
Position Value
$1,977,868
-$4,628,567 QoQ
Shares Held
3,172
-62.9% QoQ
Ownership
0.003%
of shares outstanding
% of Portfolio
0.06%
of 13F equity value
Holder Rank
#517
of 1,322 holders
Holding Since
Jun 2020
16 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in REGN Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Jun 30, 2026SIMPLEX TRADING, LLC holds $82,554,796 across 183 Biotechnology names. REGN ranks #11 (2.4% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | MRNA |
Moderna, Inc.
|
154,558 | $10,823,696 | |
| 2 | QURE |
uniQure N.V.
|
110,219 | $5,076,687 | |
| 3 | ERAS |
Erasca, Inc.
|
276,988 | $5,074,420 | |
| 4 | AXSM |
Axsome Therapeutics, Inc.
|
19,643 | $4,808,017 | |
| 5 | BBIO |
BridgeBio Pharma, Inc.
|
55,535 | $4,136,246 | |
| 6 | ALNY |
Alnylam Pharmaceuticals, Inc.
|
11,567 | $3,482,014 | |
| 7 | ARWR |
Arrowhead Pharmaceuticals, Inc.
|
29,002 | $2,363,953 | |
| 8 | SLS |
SELLAS Life Sciences Group, Inc.
|
154,099 | $2,274,501 |
All Filings in REGN
Export CSV
16 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $1,977,868 | 3,172 | Shares | Sole | 2026-08-12 | |
| 2025-12-31 | $6,606,435 | 8,559 | Shares | Sole | 2026-02-11 | |
| 2025-09-30 | $3,437,718 | 6,114 | Shares | Sole | 2025-11-12 | |
| 2024-12-31 | $2,230,305 | 3,131 | Shares | Sole | 2025-02-11 | |
| 2024-09-30 | $3,941,098 | 3,749 | Shares | Sole | 2024-11-08 | |
| 2024-06-30 | $5,294,038 | 5,037 | Shares | Sole | 2024-07-25 | |
| 2023-12-31 | $6,133,977 | 6,984 | Shares | Sole | 2024-02-02 | |
| 2023-09-30 | $6,424,848 | 7,807 | Shares | Sole | 2023-11-01 | |
| 2023-06-30 | $4,898,287 | 6,817 | Shares | Sole | 2023-08-04 | |
| 2022-06-30 | $3,625,400 | 6,133 | Shares | Sole | 2022-08-03 | |
| 2022-03-31 | $3,728,864 | 5,339 | Shares | Sole | 2022-05-02 | |
| 2021-09-30 | $1,695,109 | 2,801 | Shares | Sole | 2021-10-28 | |
| 2021-06-30 | $1,375,684 | 2,463 | Shares | Sole | 2021-08-12 | |
| 2020-12-31 | $2,347,914 | 4,860 | Shares | Sole | 2021-02-02 | |
| 2020-09-30 | $2,580,026 | 4,609 | Shares | Sole | 2020-10-14 | |
| 2020-06-30 | $3,935,231 | 6,310 | Shares | Sole | 2020-07-13 | |
| No filing history on record for this holder in this stock. | ||||||