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Livermore
Livermore
ZHEN

Magnetar Financial LLC

SEC CIK
0001352851
Latest filing
Aug 14, 2026

Holdings in Q4 2023

Holdings as of Dec 31, 2023, filed Feb 13, 2024. Long positions only; changes compare share counts with Q3 2023.

Institution overview
Positions
356
−74 vs. Q3 2023
Portfolio value
$3.93B
+$19.6M (+0.5%) vs. Q3 2023
Filed
Feb 13, 2024
SEC
Holdings of Magnetar Financial LLC in Q4 2023
SecurityClassSharesValue% of portfolioShare changeActionHistory
HUMHumana IncStock349,813$160.1M4.1%+224,041+178.1%AddedHistory
MRKMerck & Co., Inc.Stock1,396,487$152.2M3.9%+109,719+8.5%AddedHistory
NVSNovartis AGADR1,239,942$125.2M3.2%+440,244+55.1%AddedHistory
ACIAlbertsons Companies, Inc.COMMON STOCK3,934,756$90.5M2.3%−731,280−15.7%ReducedHistory
ABTAbbott LaboratoriesStock817,235$90.0M2.3%−215,863−20.9%ReducedHistory
ZBHZimmer Biomet Holdings, Inc.Stock737,720$89.8M2.3%−358,331−32.7%ReducedHistory
WRKWestRock CoCOM2,116,558$87.9M2.2%+1,441,471+213.5%AddedHistory
CVIIChurchill Capital Corp VIICOM CL A8,306,206$87.2M2.2%00.0%UnchangedHistory
ELANElanco Animal Health IncCOM5,786,812$86.2M2.2%−2,108,719−26.7%ReducedHistory
EHCEncompass Health CorpCOM1,247,745$83.2M2.1%+187,012+17.6%AddedHistory
PXDPioneer Natural Resources CoCOM370,069$83.2M2.1%+354,238+2,237.6%AddedHistory
SPLKSplunk IncCOM546,078$83.2M2.1%+9,922+1.9%AddedHistory
TXNMTXNM Energy IncCOM1,994,913$83.0M2.1%−102,900−4.9%ReducedHistory
KRTXKaruna Therapeutics, Inc.COM202,165$64.0M1.6%+198,264+5,082.4%AddedHistory
MCKMcKesson CorpStock129,624$60.0M1.5%−1,037−0.8%ReducedHistory
AMEDAmedisys IncCOM618,911$58.8M1.5%+11,051+1.8%AddedHistory
CICigna GroupStock192,040$57.5M1.5%+146,547+322.1%AddedHistory
CPRICapri Holdings LtdSHS1,126,547$56.6M1.4%−186,634−14.2%ReducedHistory
Cytokinetics Inc23282WAC4NOTE 3.500% 7/0–$54.5M1.4%–––
SPSP Plus CorpCOM1,025,013$52.5M1.3%+1,025,013NewHistory
GSKGSK plcADR1,407,679$52.2M1.3%−215,881−13.3%ReducedHistory
MDTMedtronic plcStock633,234$52.2M1.3%−686,678−52.0%ReducedHistory
Olink Hldg AB680710100SPONSORED ADS2,049,051$51.5M1.3%+2,049,051New–
MRTXMirati Therapeutics, Inc.COM834,390$49.0M1.2%+834,390NewHistory
IMGNImmunoGen, Inc.COM1,629,285$48.3M1.2%+1,629,285NewHistory
CERECerevel Therapeutics Holdings, Inc.COM1,018,428$43.2M1.1%+1,018,428NewHistory
XUnited States Steel CorpCOM786,768$38.3M1.0%+786,768NewHistory
Uber Technologies, Inc90353TAJ9NOTE 12/1–$37.7M1.0%–––
Akamai Technologies Inc00971TAL5NOTE 0.375% 9/0–$36.5M0.9%–––
HAHawaiian Holdings IncCOM2,392,800$34.0M0.9%+2,392,800NewHistory
Ford MTR Co Del345370CZ1NOTE 3/1–$33.9M0.9%–––
RBC Bearings INC75524B2035% CNV PFD SR A260,000$33.8M0.9%00.0%Unchanged–
ENOVEnovis CORPCOM597,433$33.5M0.9%+166,862+38.8%AddedHistory
RYZBRayzeBio, Inc.COM537,872$33.4M0.9%+537,872NewHistory
OPCHOption Care Health, Inc.COM NEW988,238$33.3M0.8%−163,757−14.2%ReducedHistory
NWLINational Western Life Group, Inc.CL A67,482$32.6M0.8%+67,482NewHistory
CHSChico's Fas, Inc.COM4,297,092$32.6M0.8%+3,388,781+373.1%AddedHistory
OGNOrganon & Co.Stock2,225,363$32.1M0.8%+30,675+1.4%AddedHistory
Post Hldgs Inc737446AT1NOTE 2.500% 8/1–$31.5M0.8%–––
LIVNLivaNova PLCSHS605,160$31.3M0.8%+196,416+48.1%AddedHistory
Airbnb, Inc.009066AB7NOTE 3/1–$30.4M0.8%–––
GMEDGlobus Medical IncStock565,747$30.1M0.8%+519,198+1,115.4%AddedHistory
Ionis Pharmaceuticals Inc462222AD2NOTE 4/0–$30.1M0.8%–––
ADMAAdma Biologics, Inc.COM6,282,556$28.4M0.7%+408,378+7.0%AddedHistory
American Airls Group Inc02376RAF9NOTE 6.500% 7/0–$28.3M0.7%–––
SCRMScreaming Eagle Acquisition Corp.CLASS A ORD SHS2,670,198$28.3M0.7%00.0%UnchangedHistory
CVSCVS Health CorpStock356,427$28.1M0.7%+182,471+104.9%AddedHistory
SWAVShockwave Medical, Inc.COM142,112$27.1M0.7%+137,137+2,756.5%AddedHistory
Marriott Vacations Worldwide Corp57164YAD9NOTE 1/1–$26.5M0.7%–––
CONMED Corp207410AH4NOTE 2.250% 6/1–$26.0M0.7%–––
SRCSpirit Realty Capital, Inc.COM NEW591,685$25.9M0.7%+569,064+2,515.6%AddedHistory
HCVIRed Rock Acquisition Corp.CLASS A COM2,478,404$25.8M0.7%−26,490−1.1%ReducedHistory
LLYEli Lilly & CoStock43,132$25.1M0.6%−19,990−31.7%ReducedHistory
Square Inc852234AF0NOTE 0.125% 3/0–$25.0M0.6%–––
Wolfspeed, Inc.977852AD4NOTE 1.875%12/0–$24.6M0.6%–New–
Brooge Energy LtdG1611B107SHS6,566,444$24.2M0.6%+4,189,188+176.2%Added–
Bentley Sys Inc08265TAD1NOTE 0.375% 7/0–$23.8M0.6%–––
WHWyndham Hotels & Resorts, Inc.COM287,029$23.1M0.6%+287,029NewHistory
NCL Corp Ltd62886HBD2NOTE 1.125% 2/1–$22.9M0.6%–––
AXNXAxonics, Inc.COM360,038$22.4M0.6%−267,655−42.6%ReducedHistory
UHSUniversal Health Services IncCL B137,133$20.9M0.5%+78,853+135.3%AddedHistory
ESMTEngageSmart, Inc.COMMON STOCK891,994$20.4M0.5%+891,994NewHistory
Shopify Inc.82509LAA5NOTE 0.125%11/0–$20.3M0.5%–––
Stride, Inc.86333MAA6NOTE 1.125% 9/0–$19.8M0.5%–––
Halozyme Therapeutics, Inc.40637HAF6NOTE 1.000% 8/1–$19.7M0.5%–New–
DraftKings Inc.26142RAB0NOTE 3/1–$19.6M0.5%–––
AELAmerican National Group Inc.COM349,661$19.5M0.5%+30,556+9.6%AddedHistory
Exact Sciences Corp30063PAC9NOTE 0.375% 3/0–$19.5M0.5%–––
OKLOOklo Inc.COM CL A1,654,623$17.5M0.4%−733,702−30.7%ReducedHistory
Cheesecake Factory Inc163072AA9NOTE 0.375% 6/1–$17.3M0.4%–––
GEHCGE HealthCare Technologies Inc.Stock187,280$14.5M0.4%+187,280NewHistory
Cloudflare, Inc.18915MAC1NOTE 8/1–$14.0M0.4%–New–
Northern Oil & Gas, Inc.665531AJ8NOTE 3.625% 4/1–$12.5M0.3%–New–
Lumentum Hldgs Inc55024UAF6NOTE 0.500% 6/1–$12.3M0.3%–––
ICLRIcon PLCCOM41,658$11.8M0.3%−2,173−5.0%ReducedHistory
WHLRLWheeler Real Estate Investment Trust, Inc.7% SR NT 31190,823$11.4M0.3%00.0%UnchangedHistory
DISH Network CORP25470MAD1NOTE 2.375% 3/1–$11.1M0.3%–––
CNSLConsolidated Communications Holdings, Inc.COM2,517,385$11.0M0.3%+2,517,385NewHistory
Itron, Inc.465741AN6NOTE 3/1–$10.6M0.3%–––
BRKRBruker CorpCOM134,163$9.86M0.3%+134,163NewHistory
AMNBAmerican National Bankshares Inc.COM200,506$9.77M0.2%+3,741+1.9%AddedHistory
HSICHenry Schein IncCOM117,128$8.87M0.2%+21,541+22.5%AddedHistory
BVHBluegreen Vacations Holding CorpCLASS A117,524$8.83M0.2%+117,524NewHistory
DHRDanaher CorpStock35,287$8.16M0.2%+35,287NewHistory
Etsy Inc29786AAL0NOTE 0.125% 9/0–$8.06M0.2%–New–
AZNAstraZeneca PLCSPONSORED ADR117,820$7.94M0.2%+117,820NewHistory
Gores Holdings IX, Inc.38287A101CLASS A COM750,968$7.89M0.2%00.0%Unchanged–
BSXBoston Scientific CorpStock134,033$7.75M0.2%−605,590−81.9%ReducedHistory
LBAILakeland Bancorp IncCOM501,361$7.42M0.2%+12,124+2.5%AddedHistory
WSTWest Pharmaceutical Services IncCOM20,931$7.37M0.2%+14,871+245.4%AddedHistory
NTRANatera, Inc.COM115,829$7.26M0.2%−374,639−76.4%ReducedHistory
FTREFortrea Holdings Inc.COMMON STOCK198,987$6.94M0.2%−543,821−73.2%ReducedHistory
DSKEDaseke, Inc.COM826,077$6.69M0.2%+826,077NewHistory
Cable One, Inc.12685JAE5NOTE 3/1–$6.65M0.2%–New–
CSTRCapStar Financial Holdings, Inc.COM350,796$6.57M0.2%+350,796NewHistory
IRBTiRobot CorpCOM167,490$6.48M0.2%−86,859−34.1%ReducedHistory
CTEVClaritev CorpCOM3,985,957$5.74M0.1%00.0%UnchangedHistory
Coinbase Global, Inc.19260QAB3NOTE 0.500% 6/0–$5.41M0.1%–New–
Envestnet, Inc.29404KAG1NOTE 2.625%12/0–$4.94M0.1%–New–
SLGCSomaLogic, Inc.CLASS A COM1,927,133$4.88M0.1%−262,669−12.0%ReducedHistory

Options (7)

Puts and calls in the same filing. Amounts are the market value of the underlying shares, which is what 13F reports.

Option positions of Magnetar Financial LLC in Q4 2023
SecurityClassPutsCalls
Lucid Group Inc549498953COM$5.63M–
Invesco QQQ Tr46090E953PUT$1.46M–
SPDR S&P 500 ETF Tr78462F953PUT$1.44M–
Organon & Co68622V906CALL–$1.25M
iShares Tr464287955PUT$455.7K–
Apple Inc037833950PUT$295.8K–
Kenvue Inc49177J902CALL–$186.1K

Sold out since Q3 2023 (257)

Positions held at the end of Q3 2023 that are gone from this filing.

The largest 100 of 257 by value last quarter.

Positions of Magnetar Financial LLC sold out since Q3 2023
SecurityClassShares in Q3 2023Value in Q3 2023% of portfolio in Q3 2023History
NEWRNew Relic, Inc.COM1,148,323$98.3M2.5%History
BAXBaxter International IncStock2,421,802$91.4M2.3%History
Abcam PLC000380204ADS3,559,341$80.5M2.1%–
ATVIActivision Blizzard, Inc.COM798,758$74.8M1.9%History
SGENSeagen Inc.COM349,204$74.1M1.9%History
VMWVmware LLCCL A COM400,947$66.7M1.7%History
HZNPHorizon Therapeutics Public Ltd CoSHS453,622$52.5M1.3%History
NATINational Instruments CorpCOM845,732$50.4M1.3%History
DENDenbury IncCOM474,531$46.5M1.2%History
ICPTIntercept Pharmaceuticals, Inc.COM2,407,209$44.6M1.1%History
CIRCircor International IncCOM732,595$40.8M1.0%History
DXCMDexcom IncCOM386,809$36.1M0.9%History
TWNKHostess Brands, Inc.CL A940,189$31.3M0.8%History
CCVIChurchill Capital Corp VICOM CL A2,442,165$25.5M0.7%History
HCAHCA Healthcare, Inc.COM95,885$23.6M0.6%History
AVTAAvantax, Inc.COM892,041$22.8M0.6%History
Chart Inds Inc16115Q4076.75DP CNV PFD B340,000$22.8M0.6%–
CDAQCompass Digital Acquisition Corp.CLASS A ORD1,929,300$20.2M0.5%History
Churchill Capital Corp V17144T107COM CL A1,930,212$20.1M0.5%–
NXGNNextgen Healthcare, Inc.COM811,027$19.2M0.5%History
INSMED Inc457669AB5NOTE 0.750% 6/0–$15.7M0.4%–
MOHMolina Healthcare, Inc.COM44,164$14.5M0.4%History
AAgilent Technologies, Inc.COM124,924$14.0M0.4%History
ESTEEarthstone Energy IncCL A553,110$11.2M0.3%History
SHIFT4 PMTS Inc82452JAD1NOTE 0.500% 8/0–$10.8M0.3%–
LHLabcorp Holdings Inc.COM NEW49,289$9.91M0.3%History
MTDMettler Toledo International IncCOM8,283$9.18M0.2%History
Algonquin PWR Utils Corp015857873UNIT 99/99/9999400,000$8.63M0.2%–
CORCencora, Inc.Stock36,035$6.49M0.2%History
BIPCBrookfield Infrastructure CorpCOM SB VTG SHS A182,377$6.45M0.2%History
CLVT 0 PfdG21810208Convertible Preferred Equity207,500$6.09M0.2%–
CAHCardinal Health IncStock67,246$5.84M0.1%History
ILMNIllumina, Inc.COM41,970$5.76M0.1%History
PRLHPearl Holdings Acquisition CorpCLASS A ORD SHS509,298$5.46M0.1%History
SAMASchultze Special Purpose Acquisition Corp. IICLASS A COM459,467$4.87M0.1%History
SNNSmith & Nephew PLCSPDN ADR NEW170,804$4.23M0.1%History
IQVIQVIA Holdings Inc.Stock20,633$4.06M0.1%History
JetBlue Airways Corp477143AP6NOTE 0.500% 4/0–$3.86M0.1%–
ECLEcolab Inc.Stock21,978$3.72M0.1%History
ROSTRoss Stores, Inc.COM32,809$3.71M0.1%History
PEPPepsiCo IncStock21,755$3.69M0.1%History
ADCAgree Realty CorpCOM66,672$3.68M0.1%History
IRIngersoll Rand Inc.COM57,713$3.68M0.1%History
CHRDChord Energy CorpCOM NEW22,429$3.64M0.1%History
PPGPPG Industries IncStock27,935$3.63M0.1%History
CCICrown Castle Inc.REIT39,268$3.61M0.1%History
ORealty Income CorpREIT72,265$3.61M0.1%History
VMCVulcan Materials COCOM17,860$3.61M0.1%History
MLMMartin Marietta Materials IncCOM8,773$3.60M0.1%History
TFCTruist Financial CorpCOM124,579$3.56M0.1%History
APHAmphenol CorpCL A41,600$3.49M0.1%History
KDPKeurig Dr Pepper Inc.COM108,180$3.42M0.1%History
EQHEquitable Holdings, Inc.COM118,339$3.36M0.1%History
DHIHorton D R IncCOM30,061$3.23M0.1%History
AMTAmerican Tower CorpREIT19,509$3.21M0.1%History
BAHBooz Allen Hamilton Holding CorpCL A29,279$3.20M0.1%History
HWELHealthwell Acquisition Corp. ICLASS A COM292,276$3.03M0.1%History
KVUEKenvue Inc.Stock150,570$3.02M0.1%History
COOCooper Companies, Inc.COM NEW9,419$3.00M0.1%History
NNNNNN REIT, Inc.REIT84,599$2.99M0.1%History
DALDelta Air Lines, Inc.COM NEW79,448$2.94M0.1%History
RENEFCartesian Growth Corp IICLASS A ORD268,491$2.90M0.1%History
XYLXylem Inc.COM30,281$2.76M0.1%History
SHWSherwin Williams CoCOM10,763$2.75M0.1%History
John Bean Technologies Corp477839AB0NOTE 0.250% 5/1–$2.73M0.1%–
Forbion European Acqustn CorG3619H102CLASS A ORD SHS243,000$2.66M0.1%–
PCGPG&E CorpStock161,189$2.60M0.1%History
ELVElevance Health, Inc.Stock5,891$2.57M0.1%History
NDAQNasdaq, Inc.COM52,705$2.56M0.1%History
TMHCTaylor Morrison Home CorpCOM59,895$2.55M0.1%History
SDCL EDGE Acquisition CorpG79471101CL A ORD SHS233,600$2.48M0.1%–
AXTAAxalta Coating Systems Ltd.COM87,263$2.35M0.1%History
RSGRepublic Services, Inc.COM16,128$2.30M0.1%History
AMEAmetek IncCOM14,972$2.21M0.1%History
PLDPrologis, Inc.REIT18,991$2.13M0.1%History
ADIAnalog Devices IncStock12,147$2.13M0.1%History
RGAReinsurance Group of America IncCOM NEW14,637$2.13M0.1%History
LCWLearn CW Investment CorpCL A ORD SHS198,198$2.11M0.1%History
CPTCamden Property TrustREIT22,270$2.11M0.1%History
IDXXIDEXX Laboratories IncCOM4,745$2.07M0.1%History
INSPInspire Medical Systems, Inc.COM10,183$2.02M0.1%History
VOYAVoya Financial, Inc.COM30,028$2.00M0.1%History
WATWaters CorpCOM7,221$1.98M0.1%History
Upstart Hldgs Inc91680MAB3NOTE 0.250% 8/1–$1.97M0.1%–
HHyatt Hotels CorpCOM CL A18,392$1.95M<0.1%History
MSFTMicrosoft CorpStock6,177$1.95M<0.1%History
ADPAutomatic Data Processing IncStock7,759$1.87M<0.1%History
GPKGraphic Packaging Holding CoCOM81,658$1.82M<0.1%History
MDLZMondelez International, Inc.Stock25,761$1.79M<0.1%History
TRTLTortoiseEcofin Acquisition Corp. IIISHS CL A165,960$1.74M<0.1%History
National Vision Hldgs Inc63845RAB3NOTE 2.500% 5/1–$1.71M<0.1%–
HSYHershey CoCOM8,462$1.69M<0.1%History
PTCPTC Inc.Stock11,867$1.68M<0.1%History
LTHMLivent Corp.COM86,740$1.60M<0.1%History
EXRExtra Space Storage Inc.COM12,619$1.53M<0.1%History
CPACopa Holdings, S.A.CL A17,129$1.53M<0.1%History
CFGCitizens Financial Group IncCOM55,571$1.49M<0.1%History
WABWestinghouse Air Brake Technologies CorpStock13,981$1.49M<0.1%History
RNRRenaissancere Holdings LtdCOM7,375$1.46M<0.1%History
DTEDte Energy CoCOM14,661$1.46M<0.1%History