Magnetar Financial LLC
EVANSTON, IL · CIK 1352851 · 13F filing filed 2026-08-14
SEC-registered investment adviser since 2005 · limited liability company
- Assets managed$32.0bn
- Staff209 · 64 in investment roles
- Main clients (by assets)Private funds 96%, Other advisers 3%, Insurers 1%
- Private funds58 (58 hedge) · $30.7bn gross assets
- Websitemagnetar.com
- Form ADV · 2026-08-05SEC adviser record
- Legal entityMagnetar Financial LLC (US)
Options: 0 call positions (— notional), 1 put positions ($17.3m notional) – listed below, not included above.
This report includes the holdings of 1 other manager that shares the investment decisions:
- Magnetar Asset Management LLC – no 13F of its own this quarter
Shares in two reports are counted once in each security's totals.
Holdings, Q2 2026
The small lines show how much was held over the last 4 quarters (adjusted for stock splits).
| Security | Value | Change |
|---|---|---|
| COREWEAVE INC CRWV | $5.2bn47.34% | Reduced -16.5m |
| HEWLETT PACKARD ENTERPRISE C HPE 7.625 09.01.27 | $89.0m0.81% | Reduced -165.0k |
| WEBSTER FINL CORP WBS | $88.4m0.81% | Added +20.0k |
| KENVUE INC KVUE | $88.2m0.81% | Added +9.7k |
| CHART INDS INC GTLS | $87.4m0.80% | Reduced -2.1k |
| NORFOLK SOUTHN CORP NSC | $86.6m0.79% | Added +54 |
| JD.COM INC JD 0.25 06.01.29 · principal | $85.1m0.78% | Added +11.9m |
| DOMINION ENERGY INC D | $83.3m0.76% | New |
| TXNM ENERGY INC TXNM | $82.2m0.75% | Reduced -26.9k |
| PENUMBRA INC PEN | $80.8m0.74% | Added +4.4k |
| TECK RESOURCES LTD TECK | $79.1m0.72% | Reduced -167.6k |
| MICROCHIP TECHNOLOGY INC. MCHP 7.5 03.15.28 | $75.6m0.69% | Reduced -42.8k |
| ALPHABET INC GOOGL 6.25 05.15.29 A | $75.5m0.69% | New |
| ALIBABA GROUP HLDG LTD BABA 0.5 06.01.31 · principal | $74.5m0.68% | Added +30.4m |
| WARNER BROS DISCOVERY INC WBD | $73.3m0.67% | Reduced -269.2k |
| ROKU INC ROKU | $70.0m0.64% | Added +503.4k |
| DIGITALBRIDGE GROUP INC CL A NEW | $65.0m0.59% | Reduced -97.0k |
| ORACLE CORP ORCL 6.5 01.15.29 D | $64.1m0.59% | Added +775.4k |
| FIRSTENERGY CORP FE 3.625 01.15.29 · principal | $61.7m0.56% | New |
| TRIP COM GROUP LTD TCOM 0.75 06.15.29 · principal | $57.7m0.53% | Reduced -11.0m |
| GAMESTOP CORP GME 0 04.01.30 · principal | $56.8m0.52% | New |
| NATIONAL STORAGE AFFILIATES NSA | $55.0m0.50% | Added +8.1k |
| SILICON LABORATORIES INC SLAB | $54.9m0.50% | Added +5.4k |
| BIO-TECHNE CORP TECH | $53.8m0.49% | New |
| APOGEE THERAPEUTICS INC COM | $53.0m0.48% | New |
| CAESARS ENTERTAINMENT INC NE CZR | $52.7m0.48% | New |
| LIVERAMP HLDGS INC RAMP | $51.9m0.47% | New |
| QORVO INC QRVO | $51.1m0.47% | Added +7.0k |
| PAYONEER GLOBAL INC PAYO | $50.6m0.46% | Added +7.1m |
| ALLIED GOLD CORP AAUC | $50.1m0.46% | Reduced -410.1k |
| BRUKER CORP BRKR 6.375 09.01.28 | $48.6m0.44% | New |
| ESSENTIAL UTILS INC WTRG | $48.2m0.44% | Added +54.6k |
| NOVANTA INC NOVT 6.5 11.01.28 | $47.8m0.44% | Added +200.6k |
| ALLIANT ENERGY CORP LNT 3.25 05.30.28 · principal | $47.6m0.43% | New |
| UNIFIRST CORP MASS UNF | $46.2m0.42% | Added +2.7k |
| ARCOSA INC ACA | $46.0m0.42% | New |
| SKYWATER TECHNOLOGY INC COM | $41.2m0.38% | Added +9.1k |
| ORGANON & CO OGN | $38.0m0.35% | New |
| PG&E CORP PCG 4.25 12.01.27 · principal | $37.6m0.34% | Reduced -22.2m |
| VALARIS LTD VAL | $35.9m0.33% | Added +6.7k |
| CHURCHILL CAP CORP XI CCXI | $33.5m0.31% | Reduced -781.5k |
| STELLAR BANCORP INC COM | $31.9m0.29% | Unchanged |
| SUPER MICRO COMPUTER INC SMCI 7 06.01.29 | $29.2m0.27% | New |
| INTERNATIONAL MNY EXPRESS IN IMXI | $29.0m0.27% | Added +83.8k |
| CHURCHILL CAP CORP XII CXII | $28.8m0.26% | New |
| DRUGS MADE IN AMER ACQ II CO DMII | $27.2m0.25% | Unchanged |
| LEGGETT & PLATT INC LEG | $26.5m0.24% | New |
| NEXTERA ENERGY INC NEE 7.375 02.15.29 | $26.3m0.24% | Added +100.0k |
| AXALTA COATING SYS LTD AXTA | $25.6m0.23% | Added +5.6k |
| EQV VENTURES AC CORP. II EVAC | $25.4m0.23% | Unchanged |
| GENERAL CATALYST GBL RESIL M GCGR | $25.2m0.23% | New |
| LIBERTY BROADBAND CORP LBRDK | $24.5m0.22% | Added +11.7k |
| RITHM PPTY TR INC RPT | $23.6m0.22% | Unchanged |
| TITAN ACQUISITION CORP TACH | $22.9m0.21% | Unchanged |
| TALKSPACE INC TALK | $22.6m0.21% | Added +90.7k |
| COLLECTIVE ACQUISITION CORP CAII | $21.6m0.20% | New |
| LAUNCH TWO ACQUISITION CORP. LPBB | $21.2m0.19% | Unchanged |
| LAUNCH ONE ACQUISITION CORP LPAA | $21.1m0.19% | Unchanged |
| VEECO INSTRS INC DEL VECO | $21.0m0.19% | Reduced -989.2k |
| RITHM ACQUISITION CORP RAC | $20.7m0.19% | Unchanged |
| ALDEL FINL II INC ALDF | $20.3m0.19% | Unchanged |
| KEYSTONE ACQUISITION CORP KEYYU | $20.1m0.18% | New |
| MOUNTAIN LAKE ACQUISIT CORP MLAA | $19.9m0.18% | Unchanged |
| RRE VENTURES ACQUISITION COR RREV | $19.8m0.18% | New |
| GSR V ACQUISITION CORP GSRVU | $19.7m0.18% | New |
| KOCHAV DEFENSE ACQUI CO KCHV | $19.7m0.18% | Unchanged |
| ABONY ACQUISITION CORP I AACO | $19.3m0.18% | New |
| INTERPRIVATE INVTS PARTNERS IPVVU | $19.0m0.17% | New |
| VENDOME ACQUISITION CORP I VNME | $18.9m0.17% | Unchanged |
| ILLUMINATION ACQUISITIO CORP ILLU | $18.3m0.17% | New |
| GORES HOLDINGS XI INC GHXIU | $18.3m0.17% | New |
| SIDDHI ACQUISITION CORP SDHI | $18.2m0.17% | Unchanged |
| NEW PROVIDENCE ACQUISITION C NPAC | $18.2m0.17% | Unchanged |
| SIZZLE ACQUISITION CORP. II SZZL | $18.1m0.17% | Unchanged |
| SOULPOWER ACQUISITION CORP SOUL | $18.1m0.17% | Unchanged |
| SYNAPTICS INC SYNA | $18.0m0.16% | Added +141.2k |
| LAFAYETTE DIGITAL ACQUISITIO ZKP | $18.0m0.16% | Unchanged |
| WHEELER REAL ESTATE INVT TR WHLR 7 12.31.31 | $18.0m0.16% | Unchanged |
| WILCO 63 CORP WLCOU | $17.9m0.16% | New |
| CARTESIAN GROWTH CORP IV CGCFU | $17.5m0.16% | New |
| D BORAL ACQUISITION I CORP DBCA | $17.4m0.16% | New |
| SOREN ACQUISITION CORP SORN | $17.4m0.16% | Unchanged |
| BERTO ACQUISITION CORP TACO | $17.3m0.16% | Unchanged |
| SPACE EXPLORATION TECHN CORP SPCX | $17.1m0.16% | New |
| CAMBRIDGE ACQUISITION CORP CAQ | $16.9m0.15% | New |
| BERTO ACQUISITION CORP II GUACU | $16.2m0.15% | New |
| ACP HOLDINGS ACQUISITION COR ACGC | $15.9m0.15% | New |
| ZIM INTEGRATED SHIPPING SERV ZIM | $15.8m0.14% | Added +13.1k |
| FIFTH ERA ACQUISITION CORP I FERA | $15.6m0.14% | Unchanged |
| PERIMETER ACQUISITION CORP I PMTR | $15.6m0.14% | Unchanged |
| KENSINGTON CAP ACQUISITION KCA.U | $15.6m0.14% | New |
| NUVALENT INC COM | $15.5m0.14% | New |
| BLUE WTR ACQUISITION CORP. I BLUW | $15.5m0.14% | Unchanged |
| OPEN LENDING CORP LPRO | $15.5m0.14% | New |
| NEWBURY STR II ACQUISITION C NTWO | $15.4m0.14% | Unchanged |
| NEWHOLD INVT CORP III ORD SHS CL A | $15.3m0.14% | Added +151.4k |
| INFINITE EAGLE ACQUISITION C IEAG | $15.2m0.14% | Unchanged |
| ANDRETTI ACQUISITION CORP II POLE | $15.1m0.14% | Unchanged |
| IRON HORSE ACQUISIT II CORP IRHO | $15.0m0.14% | Unchanged |
| CROWN RESV ACQUISITION CORP CRAC | $15.0m0.14% | Unchanged |
Sold out since Q1 2026
| Security | Value then |
|---|---|
| AIR LEASE CORP AL | $87.2m1.3m shares |
| PROASSURANCE CORP PRA | $80.3m3.2m shares |
| MASIMO CORP MASI | $76.0m427.1k shares |
| CSG SYS INTL INC | $64.5m807.4k shares |
| AMICUS THERAPEUTICS INC FOLD | $57.6m4.0m shares |
| TRI POINTE HOMES INC TPH | $55.5m1.2m shares |
| ARCELLX INC ACLX | $45.3m394.9k shares |
| THERMON GROUP HLDGS INC | $38.2m758.0k shares |
| APELLIS PHARMACEUTICALS INC APLS | $35.0m869.2k shares |
| CANTALOUPE INC USAT | $29.0m2.7m shares |
| SUN CTRY AIRLS HLDGS INC SNCY | $28.3m1.7m shares |
| SIM ACQUISITION CORP. I SIMA | $20.8m1.9m shares |
| LIONHEART HOLDINGS CUB | $20.6m1.9m shares |
| CENTURION ACQUISITION CORP ALF | $20.0m1.9m shares |
| MOUNTAIN LAKE ACQUISITION CO | $20.0m1.9m shares |
| ABONY ACQUISITION CORP I AACOU | $19.4m1.9m shares |
| ILLUMINATION ACQUISITIO CORP ILLUU | $18.4m1.9m shares |
| LIVE OAK ACQUISITION CORP V TMS | $18.2m1.8m shares |
| D BORAL ACQUISITION I CORP DBCAU | $17.7m1.8m shares |
| CALAVO GROWERS INC | $17.3m671.3k shares |
| CAMBRIDGE ACQUISITION CORP CAQUU | $16.9m1.7m shares |
| KENSINGTON CAP ACQUIST CORP KCAC.U | $15.6m1.5m shares |
| SUMA ACQUISITION CORP SUMAU | $14.9m1.5m shares |
| TERNS PHARMACEUTICALS INC | $14.8m281.6k shares |
| APOLLO GLOBAL MGMT INC APO 6.75 07.31.26 | $14.7m250.0k shares |
Options (notional value)
| Underlying | Notional | Change |
|---|---|---|
| ISHARES TR IWM · Put | $17.3m57.5k shares | Unchanged |
Stakes above 5%
Companies where this manager has reported owning more than 5% of a class of shares, on Schedule 13D (may seek influence) or 13G (passive): its latest filing for each, from 19 Dec 2024 on. The largest 25 of 100.
| Company | Stake |
|---|---|
| WHEELER REAL ESTATE INVT TR 13G · filed 2026-08-14 | 45.0% |
| WHEELER REAL ESTATE INVT TR 13G · filed 2026-05-15 | 45.0% |
| COMTECH TELECOMMUNICATIONS C CMTL · 13D · filed 2026-06-17 | 42.8%≈ $29.6m |
| COREWEAVE INC CRWV · 13G · filed 2026-05-06 | 14.9%≈ $6.8bn |
| WILLOW LANE ACQUISITION CORP WLACU · 13G · filed 2025-01-29 | 9.9% |
| COLLECTIVE ACQUISITION CORP CAII · 13G · filed 2026-08-13 | 9.8%≈ $21.6m |
| WHEELER REAL ESTATE INVT TR 13G · filed 2026-02-17 | 9.8% |
| WHEELER REAL ESTATE INVT TR 13G · filed 2025-11-14 | 9.8% |
| WHEELER REAL ESTATE INVT TR 13G · filed 2025-08-14 | 9.8% |
| WHEELER REAL ESTATE INVT TR 13G · filed 2025-05-15 | 9.8% |
| WHEELER REAL ESTATE INVT TR 13G · filed 2025-02-14 | 9.8% |
| UNITED ACQUISITION CORP I UAC · 13G · filed 2026-05-13 | 9.6%≈ $9.9m |
| INTERPRIVATE INVTS PARTNERS IPVVU · 13G · filed 2026-08-13 | 9.3% |
| VENDOME ACQUISITION CORP I VNMEU · 13G · filed 2025-11-12 | 9.2% |
| TRIBECA STRATEGIC ACQUISITIO BIDWU · 13G · filed 2026-08-13 | 8.9% |
| FOREFRONT TECHNOLOGY HOLDING FTHA · 13G · filed 2026-08-13 | 8.8%≈ $8.7m |
| LAUNCH TWO ACQUISITION CORP. LPBBU · 13G · filed 2025-01-29 | 8.6% |
| CROWN RESV ACQUISITION CORP CRAC · 13G · filed 2026-02-17 | 8.6%≈ $15.0m |
| GSR III ACQUISITION CORP 13G · filed 2025-01-29 | 8.5% |
| VOYAGER ACQUISITION CORP 13G · filed 2025-01-29 | 8.5% |
| PATRIOT ACQUISITION CORP PTACU · 13G · filed 2026-08-13 | 8.5% |
| BURTECH ACQUISITION CORP II BRKHU · 13G · filed 2026-08-13 | 8.4% |
| SUMA ACQUISITION CORP SUMAU · 13G · filed 2026-05-13 | 8.4% |
| RITHM ACQUISITION CORP RAC.U · 13G · filed 2025-05-09 | 8.4% |
| STELLAR V CAP CORP SVCCU · 13G · filed 2025-05-09 | 8.4% |
Trades reported as a company insider since 1 Apr 2026
Owning 10% or more of a company, or having someone on its board, makes this manager an insider there: it reports its trades in that company's shares on Form 4 within two business days. Open-market and private purchases and sales only.
| Date | Company | Trade | Value |
|---|---|---|---|
| 2026-08-14 | COREWEAVE INC 10% owner · Footnotes | Sold | $33.4m307.1k shares |
| 2026-08-13 | COREWEAVE INC 10% owner · Footnotes | Sold | $213.8m1.9m shares |
| 2026-08-12 | COREWEAVE INC 10% owner · Footnotes | Sold | $231.6m2.1m shares |
| 2026-06-02 | COREWEAVE INC 10% owner · Footnotes | Sold | $14.6m112.1k shares |
| 2026-05-07 | COREWEAVE INC 10% owner · Footnotes | Sold | $76.3m587.0k shares |
| 2026-05-07 | COREWEAVE INC 10% owner · Footnotes | Sold | $20.7m159.2k shares |
| 2026-05-06 | COREWEAVE INC 10% owner · Footnotes | Sold | $164.4m1.2m shares |
| 2026-05-06 | COREWEAVE INC 10% owner · Footnotes | Sold | $109.1m797.9k shares |
| 2026-05-05 | COREWEAVE INC 10% owner · Footnotes | Sold | $125.0m978.8k shares |
| 2026-05-05 | COREWEAVE INC 10% owner · Footnotes | Sold | $44.6m349.4k shares |
| 2026-05-04 | COREWEAVE INC 10% owner · Footnotes | Sold | $147.0m1.2m shares |
| 2026-05-04 | COREWEAVE INC 10% owner · Footnotes | Sold | $53.5m420.2k shares |
| 2026-05-01 | COREWEAVE INC 10% owner · Footnotes | Sold | $154.1m1.3m shares |
| 2026-05-01 | COREWEAVE INC 10% owner · Footnotes | Sold | $25.1m209.2k shares |
| 2026-04-30 | COREWEAVE INC 10% owner · Footnotes | Sold | $773.5k6.6k shares |
| 2026-04-24 | COREWEAVE INC 10% owner · Footnotes | Sold | $331.2k2.8k shares |
| 2026-04-23 | COREWEAVE INC 10% owner · Footnotes | Sold | $36.2m296.2k shares |
| 2026-04-22 | COREWEAVE INC 10% owner · Footnotes | Sold | $117.4m961.2k shares |
| 2026-04-22 | COREWEAVE INC 10% owner · Footnotes | Sold | $104.7m857.4k shares |
| 2026-04-22 | COREWEAVE INC 10% owner · Footnotes | Sold | $75.8m620.7k shares |
| 2026-04-21 | COREWEAVE INC 10% owner · Footnotes | Sold | $38.3m323.5k shares |
| 2026-04-20 | COREWEAVE INC 10% owner · Footnotes | Sold | $37.5m319.8k shares |
| 2026-04-17 | COREWEAVE INC 10% owner · Footnotes | Sold | $24.2m203.4k shares |
| 2026-04-16 | COREWEAVE INC 10% owner · Footnotes | Sold | $166.2m1.4m shares |
| 2026-04-16 | COREWEAVE INC 10% owner · Footnotes | Sold | $27.0m228.0k shares |