SIMPLEX TRADING, LLC
Position in CRBP — Corbus Pharmaceuticals Holdings, Inc.
CIK 1488542
CHICAGO, IL
Position in CRBP
as of Mar 31, 2026
· filed May 14, 2026
Position Value
$496,130
+$269,063 QoQ
Shares Held
52,836
+194.4% QoQ
Ownership
0.273%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
15 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in CRBP Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Jun 30, 2026SIMPLEX TRADING, LLC holds $83,352,766 across 183 Biotechnology names.
| # | 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 CRBP
Export CSV
15 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $496,130 | 52,836 | Shares | Sole | 2026-05-14 | |
| 2025-09-30 | $227,067 | 17,950 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $19,451 | 2,819 | Shares | Sole | 2025-08-05 | |
| 2025-03-31 | $31,185 | 5,873 | Shares | Sole | 2025-05-12 | |
| 2024-12-31 | $10,608 | 899 | Shares | Sole | 2025-02-11 | |
| 2024-06-30 | $78,146 | 1,727 | Shares | Sole | 2024-07-25 | |
| 2024-03-31 | $78,087 | 1,990 | Shares | Sole | 2024-04-25 | |
| 2021-12-31 | $18,451 | 29,954 | Shares | Sole | 2022-02-23 | |
| 2021-09-30 | $99,746 | 97,791 | Shares | Sole | 2021-10-28 | |
| 2021-06-30 | $207,560 | 113,421 | Shares | Sole | 2021-08-12 | |
| 2021-03-31 | $50,664 | 25,718 | Shares | Sole | 2021-04-26 | |
| 2020-12-31 | $86,183 | 68,947 | Shares | Sole | 2021-02-02 | |
| 2020-09-30 | $487,841 | 271,023 | Shares | Sole | 2020-10-14 | |
| 2020-06-30 | $794,071 | 94,645 | Shares | Sole | 2020-07-13 | |
| 2020-03-31 | $30,821 | 5,882 | Shares | Sole | 2020-04-29 | |
| No filing history on record for this holder in this stock. | ||||||