Funds › Magnetar Financial LLC
Magnetar Financial LLC
13F for Q3 2026, filed Nov 13, 2026. 1,455 positions worth $10.2B.Managers with more than $100 million in US-listed stocks list their holdings each quarter, within 45 days of quarter end. Long positions only: no short sales or cash.
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Holdings, Q3 2026
Largest first. Common shares only; puts and calls are under All positions.
| # | The fund's own figures at the end of the quarter. A report can be up to 45 days old when it is filed. Options and bonds are not counted here. | Filing | ||||
|---|---|---|---|---|---|---|
| 1 | CRWV CoreWeave, Inc. | 47.69M | $4.2B | 40.7% | -8.4% | 13F ↗ |
| 2 | TXNM TXNM Energy, Inc. | 1.45M | $84.5M | 0.8% | Unchanged | 13F ↗ |
| 3 | Arcosa Inc | 572,537 | $83.7M | 0.8% | +81.0% | 13F ↗ |
| 4 | TECK Teck Resources Ltd | 1.26M | $82.7M | 0.8% | -5.5% | 13F ↗ |
| 5 | KVUE Kenvue Inc | 4.62M | $81.5M | 0.8% | Unchanged | 13F ↗ |
| 6 | PEN Penumbra, Inc. | 255,841 | $81.4M | 0.8% | Unchanged | 13F ↗ |
| 7 | NSC Norfolk Southern Corporation | 256,411 | $79.2M | 0.8% | -6.8% | 13F ↗ |
| 8 | ROKU Roku Inc | 507,080 | $77.2M | 0.8% | Unchanged | 13F ↗ |
| 9 | Warner Bros Discovery Inc | 2.43M | $75.3M | 0.7% | -11.4% | 13F ↗ |
| 10 | D Dominion Energy, Inc. | 1.22M | $73.8M | 0.7% | Unchanged | 13F ↗ |
| 11 | Microchip Technology Inc Dep Shs Repstg | 1.08M | $72.0M | 0.7% | +10.2% | 13F ↗ |
| 12 | SAFT Safety Insurance Group, Inc. | 619,708 | $64.2M | 0.6% | New | 13F ↗ |
| 13 | Qorvo Inc | 548,149 | $62.8M | 0.6% | Unchanged | 13F ↗ |
| 14 | Atkore Inc | 636,351 | $60.3M | 0.6% | +11111% | 13F ↗ |
| 15 | MKTX MarketAxess Holdings, Inc. | 361,770 | $59.3M | 0.6% | New | 13F ↗ |
| 16 | Hewlett Packard Enterprise C 7.625 Mand Conv | 350,010 | $57.3M | 0.6% | -53.9% | 13F ↗ |
| 17 | Duke Energy Corp Units | 1.16M | $55.8M | 0.5% | New | 13F ↗ |
| 18 | SLAB Silicon Laboratories, Inc. | 251,225 | $55.7M | 0.5% | Unchanged | 13F ↗ |
| 19 | TECH Bio-Techne Corp | 761,911 | $55.2M | 0.5% | Unchanged | 13F ↗ |
| 20 | PAYO Payoneer Global Inc. | 7.40M | $52.8M | 0.5% | +4.1% | 13F ↗ |
| 21 | CZR Caesars Entertainment, Inc. | 1.75M | $51.8M | 0.5% | Unchanged | 13F ↗ |
| 22 | RAMP LiveRamp Holdings, Inc. | 1.38M | $51.7M | 0.5% | Unchanged | 13F ↗ |
| 23 | Bruker Corp | 108,963 | $51.7M | 0.5% | Unchanged | 13F ↗ |
| 24 | Super Micro Computer Inc 7 Dep Cm Sr A Wi | 720,680 | $49.5M | 0.5% | +26.3% | 13F ↗ |
| 25 | WTRG Essential Utilities, Inc. | 1.26M | $49.3M | 0.5% | Unchanged | 13F ↗ |
| 26 | Nextera Energy Inc Units | 1.12M | $48.0M | 0.5% | +103% | 13F ↗ |
| 27 | IRDM Iridium Communications Inc | 941,932 | $45.1M | 0.4% | +515% | 13F ↗ |
| 28 | UNF Unifirst Corporation | 174,619 | $43.7M | 0.4% | Unchanged | 13F ↗ |
| 29 | SYNA Synaptics Incorporated | 422,512 | $42.8M | 0.4% | +191% | 13F ↗ |
| 30 | Biolife Solutions Inc | 1.09M | $42.5M | 0.4% | New | 13F ↗ |
| 31 | Novanta Inc Conv Pr | 700,563 | $42.4M | 0.4% | Unchanged | 13F ↗ |
| 32 | VAL Valaris Limited | 494,010 | $38.8M | 0.4% | Unchanged | 13F ↗ |
| 33 | OGN Organon & Co. | 2.81M | $38.5M | 0.4% | Unchanged | 13F ↗ |
| 34 | XIIIU Churchill Capital Corp XIII Units · Units | 3.45M | $36.3M | 0.4% | New | 13F ↗ |
| 35 | Alphabet Inc Dep Shs RP1/20 B | 742,750 | $36.1M | 0.4% | New | 13F ↗ |
| 36 | Boeing Co Dep Conv Pfd A | 590,000 | $34.8M | 0.3% | New | 13F ↗ |
| 37 | HZO MarineMax, Inc. | 581,327 | $30.4M | 0.3% | New | 13F ↗ |
| 38 | Albemarle Corp 7.25% Dep Shs A | 657,275 | $30.0M | 0.3% | +189% | 13F ↗ |
| 39 | BRTM B&R Technology Merger Corp. | 3.00M | $29.4M | 0.3% | New | 13F ↗ |
| 40 | CXII Churchill Capital Corp XII | 2.70M | $28.8M | 0.3% | Unchanged | 13F ↗ |
| 41 | DMII Drugs Made In America Acquisition II Corp. | 2.70M | $27.5M | 0.3% | Unchanged | 13F ↗ |
| 42 | DV DoubleVerify Holdings, Inc. | 1.94M | $26.2M | 0.3% | +5444% | 13F ↗ |
| 43 | EVAC EQV Ventures Acquisition Corp. II | 2.50M | $25.8M | 0.3% | Unchanged | 13F ↗ |
| 44 | GCGR General Catalyst Global Resilience Merger Corp. | 2.50M | $25.3M | 0.2% | Unchanged | 13F ↗ |
| 45 | AXTA Axalta Coating Systems Ltd. | 747,203 | $24.0M | 0.2% | Unchanged | 13F ↗ |
| 46 | AMAC AMR Resources Acquisition Corp | 2.45M | $24.0M | 0.2% | New | 13F ↗ |
| 47 | IMXI International Money Express, Inc. | 2.01M | $23.3M | 0.2% | Unchanged | 13F ↗ |
| 48 | TACH Titan Acquisition Corp. | 2.20M | $23.2M | 0.2% | Unchanged | 13F ↗ |
| 49 | Haymaker Acquisition Corp V Units | 2.20M | $22.0M | 0.2% | New | 13F ↗ |
| 50 | CAII Collective Acquisition Corp. II | 2.18M | $21.8M | 0.2% | Unchanged | 13F ↗ |
Changes since Q2 2026
719 new, 193 added to, 158 trimmed, 384 exited, 385 unchanged. By estimated dollars.
New positions (719)
| SAFT Safety Insurance Group, Inc. | 619,708 | New | $64.2M |
| MKTX MarketAxess Holdings, Inc. | 361,770 | New | $59.3M |
| Duke Energy Corp Units | 1.16M | New | $55.8M |
| Biolife Solutions Inc | 1.09M | New | $42.5M |
| XIIIU Churchill Capital Corp XIII Units · Units | 3.45M | New | $36.3M |
| Alphabet Inc Dep Shs RP1/20 B | 742,750 | New | $36.1M |
| Boeing Co Dep Conv Pfd A | 590,000 | New | $34.8M |
| HZO MarineMax, Inc. | 581,327 | New | $30.4M |
| BRTM B&R Technology Merger Corp. | 3.00M | New | $29.4M |
| AMAC AMR Resources Acquisition Corp | 2.45M | New | $24.0M |
Added to (193)
| Atkore Inc | 636,351 | +11111% | $59.8M |
| IRDM Iridium Communications Inc | 941,932 | +515% | $37.8M |
| Arcosa Inc | 572,537 | +81.0% | $37.5M |
| SYNA Synaptics Incorporated | 422,512 | +191% | $28.1M |
| DV DoubleVerify Holdings, Inc. | 1.94M | +5444% | $25.7M |
| Nextera Energy Inc Units | 1.12M | +103% | $24.4M |
| Albemarle Corp 7.25% Dep Shs A | 657,275 | +189% | $19.6M |
| Super Micro Computer Inc 7 Dep Cm Sr A Wi | 720,680 | +26.3% | $10.3M |
| Microchip Technology Inc Dep Shs Repstg | 1.08M | +10.2% | $6.7M |
| TEN Tsakos Energy Navigation Ltd | 70,455 | +408% | $2.7M |
Trimmed (158)
| CRWV CoreWeave, Inc. | 47.69M | -8.4% | -$381.3M |
| Hewlett Packard Enterprise C 7.625 Mand Conv | 350,010 | -53.9% | -$67.1M |
| Alphabet Inc Dep Shs RP1/20 A | 328,617 | -78.0% | -$57.2M |
| Oracle Corp 6.5 Dep Cum Sr D | 175,420 | -87.7% | -$54.8M |
| LPAA Launch One Acquisition Corp. | 250,000 | -87.1% | -$18.4M |
| CGCFU Cartesian Growth Corporation IV Units · Units | 7 | -100.0% | -$17.2M |
| CCXI Agility Robotics, Inc. | 664,784 | -65.3% | -$14.6M |
| Warner Bros Discovery Inc | 2.43M | -11.4% | -$9.7M |
| NSC Norfolk Southern Corporation | 256,411 | -6.8% | -$5.8M |
| TECK Teck Resources Ltd | 1.26M | -5.5% | -$4.8M |
Exited (384)
| Webster Financial Corp | 1.16M | Exited | -$88.4M |
| Chart Industries Inc | 418,310 | Exited | -$87.4M |
| Digitalbridge Group Inc | 4.12M | Exited | -$65.0M |
| National Storage Affiliates Reit | 1.24M | Exited | -$55.0M |
| Apogee Therapeutics Inc | 399,123 | Exited | -$53.0M |
| AAUC Allied Gold Corporation | 2.11M | Exited | -$50.1M |
| Skywater Technology Inc | 1.18M | Exited | -$41.2M |
| Stellar Bancorp Inc | 812,216 | Exited | -$31.9M |
| Leggett & Platt Inc | 2.26M | Exited | -$26.5M |
| Liberty Broadband Corp | 735,491 | Exited | -$24.5M |
The 10 largest of each, by estimated dollars: shares changed times the later report's price. Index tracking, splits and mergers move positions too.
All positions
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Reported value by quarter
Value and number of positions at the end of each quarter.
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Largest positions in earlier quarters
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Ten largest positions
By value, Q3 2026.
Filings
| Filing | ||||||
|---|---|---|---|---|---|---|
| Q3 2026 | Nov 13, 2026 | 13F-HR | 1,468 | $10.2B | Current | SEC ↗ |
| Q2 2026 | Aug 14, 2026 | 13F-HR | 1,134 | $11.0B | Current | SEC ↗ |
| Q1 2026 | May 13, 2026 | 13F-HR | 1,130 | $9.8B | Current | SEC ↗ |
| Q4 2025 | Feb 17, 2026 | 13F-HR | 896 | $10.2B | Current | SEC ↗ |
| Q3 2025 | Nov 13, 2025 | 13F-HR | 853 | $16.5B | Current | SEC ↗ |
| Q2 2025 | Aug 12, 2025 | 13F-HR | 870 | $20.7B | Current | SEC ↗ |
| Q1 2025 | May 15, 2025 | 13F-HR | 717 | $7.6B | Current | SEC ↗ |
Most recent first, up to 80. An amendment can replace a report or add holdings to it. All 13F filings
Information, not investment advice. Values are the fund's own figures at quarter end; a report can be up to 45 days old when filed. Disclaimer