Position in MGNX
as of Mar 31, 2026
· filed May 14, 2026
Position Value
$1,445,000
+$665,265 QoQ
Shares Held
500,000
+3.2% QoQ
Ownership
0.787%
of shares outstanding
% of Portfolio
0.09%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2021
4 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, 2026Affinity Asset Advisors, LLC holds $1,518,254,571 across 81 Biotechnology names. MGNX ranks #75 (0.1% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | APGE |
Apogee Therapeutics, Inc.
|
1,284,926 | $108,152,221 | |
| 2 | XENE |
Xenon Pharmaceuticals Inc.
|
1,675,000 | $97,401,250 | |
| 3 | ERAS |
Erasca, Inc.
|
5,350,000 | $86,563,000 | |
| 4 | INSM |
INSMED Inc
|
480,000 | $78,489,600 | |
| 5 | ROIV |
Roivant Sciences Ltd.
|
2,800,000 | $77,560,000 | |
| 6 | SYRE |
Spyre Therapeutics, Inc.
|
1,279,134 | $64,519,518 | |
| 7 | CNTA |
Centessa Pharmaceuticals plc
|
1,400,000 | $55,608,000 | |
| 8 | PRAX |
Praxis Precision Medicines, Inc.
|
170,000 | $54,772,300 |
All Filings in MGNX
Export CSV
4 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $1,445,000 | 500,000 | Shares | Sole | 2026-05-14 | |
| 2025-12-31 | $779,735 | 484,308 | Shares | Sole | 2026-02-13 | |
| 2021-06-30 | $2,148,800 | 80,000 | Shares | Sole | 2021-08-13 | |
| 2021-03-31 | $796,250 | 25,000 | Shares | Sole | 2021-05-14 | |
| No filing history on record for this holder in this stock. | ||||||