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
0.285%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2024
7 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in CRBP Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Mar 31, 2026SIMPLEX TRADING, LLC holds $69,553,517 across 195 Biotechnology names. CRBP ranks #32 (0.7% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | MRNA |
Moderna, Inc.
|
219,573 | $11,154,308 | |
| 2 | APGE |
Apogee Therapeutics, Inc.
|
77,808 | $6,549,099 | |
| 3 | ERAS |
Erasca, Inc.
|
252,747 | $4,089,446 | |
| 4 | QURE |
uniQure N.V.
|
231,769 | $3,789,423 | |
| 5 | BBIO |
BridgeBio Pharma, Inc.
|
41,434 | $3,076,888 | |
| 6 | CORT |
Corcept Therapeutics Inc
|
69,515 | $2,802,149 | |
| 7 | ROIV |
Roivant Sciences Ltd.
|
88,035 | $2,438,569 | |
| 8 | INSM |
INSMED Inc
|
10,715 | $1,752,116 |
All Filings in CRBP
Export CSV
7 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 | |
| No filing history on record for this holder in this stock. | ||||||