Position in MGNX
as of Mar 31, 2026
· filed May 14, 2026
Position Value
$13,767
+$5,561 QoQ
Shares Held
4,764
-6.5% QoQ
Ownership
0.007%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
22 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in MGNX Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Mar 31, 2026SIMPLEX TRADING, LLC holds $73,356,830 across 197 Biotechnology names. MGNX ranks #150 (0.0% 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 | QNCX |
Quince Therapeutics, Inc.
|
154,093 | $3,112,678 | |
| 6 | BBIO |
BridgeBio Pharma, Inc.
|
41,434 | $3,076,888 | |
| 7 | CORT |
Corcept Therapeutics Inc
|
69,515 | $2,802,149 | |
| 8 | ROIV |
Roivant Sciences Ltd.
|
88,035 | $2,438,569 |
All Filings in MGNX
Export CSV
22 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $13,767 | 4,764 | Shares | Sole | 2026-05-14 | |
| 2025-12-31 | $8,206 | 5,097 | Shares | Sole | 2026-02-11 | |
| 2025-09-30 | $11,968 | 7,124 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $6,062 | 5,010 | Shares | Sole | 2025-08-05 | |
| 2024-09-30 | $97,433 | 29,615 | Shares | Sole | 2024-11-08 | |
| 2024-06-30 | $121,792 | 28,657 | Shares | Sole | 2024-07-25 | |
| 2024-03-31 | $172,518 | 11,720 | Shares | Sole | 2024-04-25 | |
| 2023-12-31 | $8,811 | 916 | Shares | Sole | 2024-02-02 | |
| 2023-09-30 | $36,068 | 7,740 | Shares | Sole | 2023-11-01 | |
| 2023-06-30 | $98,637 | 18,437 | Shares | Sole | 2023-08-04 | |
| 2023-03-31 | $135,928 | 18,958 | Shares | Sole | 2023-04-27 | |
| 2022-12-31 | $122,719 | 18,289 | Shares | Sole | 2023-02-02 | |
| 2022-09-30 | $67,203 | 19,423 | Shares | Sole | 2022-11-04 | |
| 2022-06-30 | $66,490 | 22,539 | Shares | Sole | 2022-08-03 | |
| 2022-03-31 | $11,999 | 1,362 | Shares | Sole | 2022-05-02 | |
| 2021-09-30 | $210,070 | 10,032 | Shares | Sole | 2021-10-28 | |
| 2021-06-30 | $314,423 | 11,706 | Shares | Sole | 2021-08-12 | |
| 2021-03-31 | $445,390 | 13,984 | Shares | Sole | 2021-04-26 | |
| 2020-12-31 | $26,311 | 1,151 | Shares | Sole | 2021-02-02 | |
| 2020-09-30 | $26,046 | 1,034 | Shares | Sole | 2020-10-14 | |
| 2020-06-30 | $53,885 | 1,930 | Shares | Sole | 2020-07-13 | |
| 2020-03-31 | $11,401 | 1,959 | Shares | Sole | 2020-04-29 | |
| No filing history on record for this holder in this stock. | ||||||