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EVANSTON, IL · CIK 0001352851
New positions
607
Added to
147
Trimmed
173
Exited
373
Magnetar Financial LLC (EVANSTON, IL) reported a portfolio value of $9.83B across 1,129 positions in their Q1 2026 SEC 13F filing (period ending 2026-03-31). The top 10 positions account for 55.8% of the portfolio.
Top 30 holdings by portfolio weight. Block width = holding percentage. Green = new/increased, red = reduced, gray = unchanged.
| # | Stock | Value↓ | Weight | Change |
|---|---|---|---|---|
| 1 | CRWVCOREWEAVE INC | $4.74B | 48.24% | +0.5% |
| 2 | ALAIR LEASE CORP | $87.16M | 0.89% | -15.4% |
| 3 | GTLSCHART INDS INC | $86.92M | 0.88% | -16.2% |
| 4 | TXNMTXNM ENERGY INC | $86.24M | 0.88% | -13.2% |
| 5 | PENPENUMBRA INC | $82.56M | 0.84% | New |
| 6 | WBDWARNER BROS DISCOVERY INC | $81.73M | 0.83% | -5.2% |
| 7 | PRAPROASSURANCE CORP | $80.25M | 0.82% | -6.8% |
| 8 | KVUEKENVUE INC | $79.40M | 0.81% | -12.5% |
| 9 | WBSWEBSTER FINL CORP | $78.91M | 0.80% | +14912.0% |
| 10 | AAUCALLIED GOLD CORP | $78.09M | 0.79% | New |
| Stock | Value | Shares |
|---|---|---|
| PENPENUMBRA INC | $82.56M | 251,433 |
| AAUCALLIED GOLD CORP | $78.09M | 2,518,867 |
| MCHP 7.5 03/15/28MICROCHIP TECHNOLOGY INC. | $58.94M | 1,025,000 |
| SLABSILICON LABORATORIES INC | $51.17M | 245,824 |
| NSANATIONAL STORAGE AFFILIATES | $46.36M | 1,228,472 |
| ACLXGBXARCELLX INC | $45.35M | 394,931 |
| UNFUNIFIRST CORP MASS | $43.24M | 171,873 |
| 8TGTHERMON GROUP HLDGS INC | $38.20M | 757,996 |
| APLSUSDAPELLIS PHARMACEUTICALS INC | $34.97M | 869,229 |
| SKYTSKYWATER TECHNOLOGY INC | $32.22M | 1,175,584 |
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