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Livermore
Livermore
ZHEN

Magnetar Financial LLC

SEC CIK
0001352851
Latest filing
Aug 14, 2026

Holdings in Q4 2021

Holdings as of Dec 31, 2021, filed Feb 14, 2022. Long positions only; changes compare share counts with Q3 2021.

Institution overview
Positions
1,346
+65 vs. Q3 2021
Portfolio value
$9.95B
+$130.7M (+1.3%) vs. Q3 2021
Filed
Feb 14, 2022
SEC
Holdings of Magnetar Financial LLC in Q4 2021
SecurityClassSharesValue% of portfolioShare changeActionHistory
CERNCERNER CorpCOM2,010,643$186.7M1.9%+1,957,861+3,709.3%AddedHistory
Coherent Inc192479103COM683,029$182.1M1.8%+11,716+1.7%Added–
CHNGChange Healthcare Inc.COM8,496,818$181.7M1.8%+1,192,544+16.3%AddedHistory
NUANNuance Communications, Inc.COM3,236,206$179.0M1.8%+51,828+1.6%AddedHistory
ROGRogers CorpCOM580,689$158.5M1.6%+580,689NewHistory
Shaw Communications Inc82028K200CL B CONV5,196,635$157.8M1.6%+97,781+1.9%Added–
Athene Holding Ltd.G0684D107CL A1,878,218$156.5M1.6%−458,365−19.6%Reduced–
WBTWelbilt, Inc.COM6,539,781$155.5M1.6%+141,296+2.2%AddedHistory
SAFMSanderson Farms IncCOM792,575$151.4M1.5%+16,833+2.2%AddedHistory
CCMPCMC Materials, Inc.COM787,058$150.9M1.5%+787,058NewHistory
XLNXXilinx IncCOM643,528$136.4M1.4%−389,198−37.7%ReducedHistory
MGPMGM Growth Properties LLCCL A COM3,254,719$133.0M1.3%+70,693+2.2%AddedHistory
TXNMTXNM Energy IncCOM2,909,663$132.7M1.3%+61,886+2.2%AddedHistory
AJRDAerojet Rocketdyne Holdings, Inc.COM2,789,384$130.4M1.3%+59,436+2.2%AddedHistory
Vonage Holdings Corp92886T201COM6,095,121$126.7M1.3%+6,095,121New–
MGLNMagellan Health IncCOM NEW1,242,098$118.0M1.2%+26,276+2.2%AddedHistory
PBCTPeople's United Financial, Inc.COM6,455,402$115.0M1.2%+96,961+1.5%AddedHistory
Churchill Capital Corp VII17144M201UNIT 99/99/999911,059,900$110.8M1.1%00.0%Unchanged–
FOEFerro CorpCOM5,061,112$110.5M1.1%+109,386+2.2%AddedHistory
ARNAArena Pharmaceuticals IncCOM NEW1,053,882$97.9M1.0%+1,053,882NewHistory
KRAKraton CorpCOM2,059,548$95.4M1.0%+219,055+11.9%AddedHistory
VNEArriver Holdco, Inc.COM2,548,376$90.4M0.9%+2,076,067+439.6%AddedHistory
GCPGCP Applied Technologies Inc.COM2,775,759$87.9M0.9%+2,775,759NewHistory
XENTIntersect ENT, Inc.COM2,569,052$70.2M0.7%+11,289+0.4%AddedHistory
Atotech LtdG0625A105COM2,682,042$68.4M0.7%−13,953−0.5%Reduced–
KKR Acquisition Holding I Co48253T208UNIT 99/99/99996,641,340$66.5M0.7%−39,955−0.6%Reduced–
BDXBecton Dickinson & CoStock258,313$65.0M0.7%+33,784+15.0%AddedHistory
Triple-S Mgmt Corp896749108CL B1,806,178$64.4M0.6%−650.0%Reduced–
STFCState Auto Financial CORPCOM1,212,051$62.7M0.6%+699+0.1%AddedHistory
ELANElanco Animal Health IncCOM2,018,280$57.3M0.6%+920,859+83.9%AddedHistory
Pretium Res Inc74139C102COM3,848,950$54.3M0.5%+3,848,950New–
MDTMedtronic plcStock512,653$53.0M0.5%+392,991+328.4%AddedHistory
SNYSanofiSPONSORED ADR1,028,791$51.5M0.5%+787,702+326.7%AddedHistory
PAEPAE IncCOM CL A4,962,031$49.3M0.5%+4,962,031NewHistory
FRTAForterra, Inc.COM2,047,019$48.7M0.5%+30,640+1.5%AddedHistory
AVTRAvantor, Inc.COM1,099,760$46.3M0.5%+535,891+95.0%AddedHistory
BAXBaxter International IncStock539,863$46.3M0.5%+369,049+216.1%AddedHistory
BSXBoston Scientific CorpStock1,014,544$43.1M0.4%+408,492+67.4%AddedHistory
CICigna GroupStock183,276$42.1M0.4%+92,252+101.3%AddedHistory
GWBGreat Western Bancorp, Inc.COM1,211,516$41.1M0.4%+417,948+52.7%AddedHistory
NPTNNeophotonics CorpCOM2,607,770$40.1M0.4%+2,607,770NewHistory
NVSTEnvista Holdings CorpCOM889,327$40.1M0.4%−62,210−6.5%ReducedHistory
LCIDLucid Group, Inc.COM1,045,900$39.8M0.4%−2,475,783−70.3%ReducedHistory
Fortress Value Acquisi Corp34964K207UNIT 03/31/20283,952,225$39.2M0.4%−36,673−0.9%Reduced–
TMXTerminix Global Holdings IncCOM862,122$39.0M0.4%+862,122NewHistory
NRG Energy, Inc.629377CG5DBCV 2.750% 6/0–$38.6M0.4%–––
CONX Corp.212873202UNIT 10/30/20273,807,898$38.4M0.4%−4860.0%Reduced–
OCDXOrtho Clinical Diagnostics Holdings plcORD SHS1,775,334$38.0M0.4%+1,437,666+425.8%AddedHistory
Warburg Pincus Captal Corp IG9460M116UNIT 99/99/99993,807,952$37.9M0.4%−29,470−0.8%Reduced–
Etsy Inc29786AAJ5NOTE 0.125%10/0–$36.9M0.4%–––
LHLabcorp Holdings Inc.COM NEW111,929$35.2M0.4%+74,458+198.7%AddedHistory
OKLOOklo Inc.COM CL A3,530,264$34.8M0.3%−26,823−0.8%ReducedHistory
Lumentum Hldgs Inc55024UAB5NOTE 0.250% 3/1–$34.7M0.3%–––
GNOGGolden Nugget Online Gaming, Inc.COM CL A3,397,776$33.8M0.3%−2,222−0.1%ReducedHistory
Churchill Capital Corp VI17143W200UNIT 99/99/99993,346,099$33.3M0.3%−27,940−0.8%Reduced–
Northern Star Invest Corp II66574L209UNIT 02/25/20283,341,564$33.2M0.3%−58,436−1.7%Reduced–
Northern Star Invest Corp IV66575B200UNIT 02/25/20283,341,258$33.1M0.3%−58,742−1.7%Reduced–
NVONovo Nordisk A SADR288,052$32.3M0.3%+175,133+155.1%AddedHistory
Meritor, Inc.59001KAF7NOTE 3.250%10/1–$32.2M0.3%–––
NSTBNorthern Star Investment Corp. IICOM CLASS A3,250,000$31.5M0.3%−500,000−13.3%ReducedHistory
PG&E Corp69331C140UNIT 99/99/9999272,000$31.5M0.3%+10,000+3.8%Added–
Twitter, Inc.90184LAF9NOTE 0.250% 6/1–$30.3M0.3%–––
Hennessy Capital Invst Corp42600H207UNIT 99/99/99992,953,852$29.5M0.3%−16,148−0.5%Reduced–
UMPQUmpqua Holdings CorpCOM1,523,405$29.3M0.3%+1,523,405NewHistory
Prime Impact Acquisition IG61074111UNIT 10/01/20302,848,657$28.8M0.3%−5000.0%Reduced–
ANATAmerican National Group IncCOM NEW150,928$28.5M0.3%+2,229+1.5%AddedHistory
FTAC Hera Acquisition Corp.G3728Y129UNIT 02/28/20262,818,430$28.1M0.3%−110,321−3.8%Reduced–
Broadcom Inc.11135F200COM13,500$28.0M0.3%+13,500New–
Avantor, Inc.05352A2096.25 PFD CNV SR200,000$25.8M0.3%+200,000New–
E Merge Technology Acquisiti26873Y203UNIT 07/30/20252,549,716$25.5M0.3%00.0%Unchanged–
CNDAUConcord Acquisition Corp IIUNIT 99/99/99992,457,500$25.3M0.3%−17,500−0.7%ReducedHistory
Churchill Capital Corp V17144T206UNIT 99/99/99992,500,000$25.3M0.3%00.0%Unchanged–
Ascendant Digital Acq Corp IG05157121UNIT 99/99/99992,475,000$25.1M0.3%+2,475,000New–
TSCTriState Capital Holdings, Inc.COM824,004$24.9M0.3%+824,004NewHistory
Glenfarne Merger Corp378579205UNIT 03/17/20262,468,406$24.5M0.2%−12,332−0.5%Reduced–
Enphys Acquisition Corp.G3167L125UNIT 99/99/99992,467,363$24.5M0.2%+2,467,363New–
Interprivate IV Infratech PR46064T201UNIT 03/05/20262,480,500$24.4M0.2%00.0%Unchanged–
MNTVMomentive Global Inc.COM1,133,884$24.0M0.2%+1,133,884NewHistory
Healthwell Acquisition Corp42227R208UNIT 08/05/20282,400,000$24.0M0.2%00.0%Unchanged–
Proof Acquisition Corp I74349W203UNIT 99/99/99992,376,000$23.8M0.2%+2,376,000New–
CHP Merger Corp.12558Y106COM CL A2,342,184$23.7M0.2%+2,288,082+4,229.2%Added–
Burgundy Technology Acqu CorG1702T116CL A2,364,110$23.7M0.2%00.0%Unchanged–
Algonquin PWR Utils Corp015857873UNIT 99/99/9999500,000$23.5M0.2%+120,000+31.6%Added–
Revolution Healthcar Aq Corp76155Y207UNIT 03/18/202662,349,740$23.1M0.2%−21,205−0.9%Reduced–
CIIG Capital Partners II, Inc.12561U208UNIT 02/28/20282,156,250$22.2M0.2%00.0%Unchanged–
Tech and Energy Transition87823R201UNIT 03/31/20282,235,790$22.2M0.2%−23,000−1.0%Reduced–
EVLVEvolv Technologies Holdings, Inc.COM CL A4,963,904$22.1M0.2%+1,463,904+41.8%AddedHistory
VPC Impact Acquisition HldgG9460L126CLASS A ORD2,236,427$21.9M0.2%−16,001−0.7%Reduced–
IIVI 6 Pfd902104306CONVERTIBLE PREFERRED STOCK77,500$21.8M0.2%+77,500New–
Apollo Strategic Growth CaptG0411R106SHS CL A2,143,637$21.2M0.2%+2,133,381+20,801.3%Added–
Akamai Technologies Inc00971TAL5NOTE 0.375% 9/0–$21.0M0.2%–––
Byte Acquisition CorpG1R25Q121UNIT 03/18/20292,088,227$20.8M0.2%−18,173−0.9%Reduced–
Square Inc852234AF0NOTE 0.125% 3/0–$20.8M0.2%–––
CLVT 0 PfdG21810208Convertible Preferred Equity225,000$20.4M0.2%+225,000New–
CF Acquisition Corp. IV12520T201UNIT 12/31/20272,044,778$20.3M0.2%−28,422−1.4%Reduced–
Periphas Capital Partnering Corp713895209UNIT 99/99/9999819,526$20.3M0.2%−7,880−1.0%Reduced–
BMYBristol Myers Squibb CoStock322,833$20.1M0.2%−24,710−7.1%ReducedHistory
Ross Acquisition Corp IIG7641C122UNIT 99/99/99992,006,580$20.1M0.2%00.0%Unchanged–
Ahren Acquisition Corp.G01322117UNIT 12/09/20262,000,000$20.0M0.2%+2,000,000New–
Interprivate III Financial P46064R106COM CL A2,022,047$20.0M0.2%−3000.0%Reduced–

Options (5)

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 2021
SecurityClassPutsCalls
Lucid Group Inc549498953COM$15.1M–
Bristol-Myers Squibb Co110122908CALL–$762.0K
Biogen Inc09062X903CALL–$200.0K
Boston Scientific Corp101137907CALL–$189.0K
Medtronic PLCG5960L903CALL–$158.0K

Sold out since Q3 2021 (388)

Positions held at the end of Q3 2021 that are gone from this filing.

The largest 100 of 388 by value last quarter.

Positions of Magnetar Financial LLC sold out since Q3 2021
SecurityClassShares in Q3 2021Value in Q3 2021% of portfolio in Q3 2021History
KSUKansas City SouthernCOM NEW636,820$172.3M1.8%History
PPDPPD, Inc.COM3,578,360$167.4M1.7%History
HRCHill-Rom Holdings, Inc.COM1,015,775$152.4M1.6%History
XLRNAcceleron Pharma IncCOM831,663$143.1M1.5%History
VERVEREIT, Inc.COM2,898,067$131.1M1.3%History
RAVNRaven Industries IncCOM2,140,896$123.3M1.3%History
FIVNFive9, Inc.COM770,008$123.0M1.3%History
UFSDomtar CORPCOM NEW2,212,559$120.7M1.2%History
KDMNKadmon Holdings, Inc.COM9,871,249$86.0M0.9%History
Score Media & Gaming Inc80919D202CL A SUB VTG SHS2,397,449$82.1M0.8%–
CAI International, Inc.12477X106COM1,275,849$71.3M0.7%–
Lydall Inc550819106COM1,076,415$66.8M0.7%–
Trillium Therapeutics Inc.89620X506COM NEW3,271,390$57.4M0.6%–
Solid Power, Inc.24279D105CLASS A COM3,025,982$30.4M0.3%–
Northern Genesis Acquisition66516U101COMMON STOCK2,972,237$29.5M0.3%–
Nextgen Acquisition Corp IIG65317102CLASS A ORD SHS2,512,175$24.9M0.3%–
CHP Merger Corp.12558Y205UNIT 11/22/20242,288,097$23.8M0.2%–
EBSBMeridian Bancorp, Inc.COM1,144,809$23.8M0.2%History
VPC Impact Acqu Holdi III IN91835J108COM CL A2,252,328$22.3M0.2%–
Apollo Strategic Growth CaptG0411R122UNIT 99/99/99992,133,513$21.4M0.2%–
AURAurora Innovation, Inc.CLASS A ORD SHS2,048,528$20.3M0.2%History
XONEExOne CoCOM805,769$18.8M0.2%History
Athena Technology Acquisi Co04687A109COM CLASS A1,775,580$17.6M0.2%–
CNBKACentury Bancorp IncCL A NON VTG151,230$17.4M0.2%History
Pine Technology Acquisitn Co722850203UNIT 03/31/20281,756,680$17.4M0.2%–
Khosla Ventures Acqustn Co I482505104COM CL A1,580,439$16.1M0.2%–
AZNAstraZeneca PLCSPONSORED ADR261,796$15.7M0.2%History
Armada Acquisition Corp. I04208V202UNIT 08/13/20261,485,000$14.8M0.2%–
Yucaipa Acquisition CorpG9879L105COM1,455,982$14.4M0.1%–
GPXGP Strategies CorpCOM693,495$14.4M0.1%History
Atlantic Coastal Acquistn Co048453203UNIT 03/02/20261,400,000$13.8M0.1%–
AEA-Bridges Impact Corp.G01046120UNIT 99/99/99991,334,079$13.5M0.1%–
Southwest Airls Co844741BG2NOTE 1.250% 5/0–$12.7M0.1%–
AMPSAltus Power, Inc.COM CL A1,279,315$12.7M0.1%History
Dmy Technology Group Inc IV23344K102COM CL A1,231,490$12.2M0.1%–
ABBVAbbVie Inc.Stock109,971$11.9M0.1%History
JAZZJazz Pharmaceuticals plcSHS USD86,259$11.2M0.1%History
Oaktree Acquisition Corp IIG6715X129UNIT 09/15/20271,076,471$10.8M0.1%–
P3 Health Partners Inc.34552Y106CL A1,058,081$10.4M0.1%–
ESXBCommunity Bankers Trust CorpCOM910,860$10.4M0.1%History
Seven Oaks Acquisition Corp81787X106COM CL A1,036,992$10.3M0.1%–
Isos Acquisition CorporationG4962C112SHARES CL A1,005,372$10.0M0.1%–
Tabula Rasa HealthCare, Inc.873379AA9NOTE 1.750% 2/1–$10.0M0.1%–
OPAL Fuels Inc.G0R21B120UNIT 03/16/20281,000,400$10.0M0.1%–
ALTAAltabancorpCOM213,257$9.42M0.1%History
Virgin Group Acquisit Corp IG9460K110UNIT 99/99/9999923,410$9.14M0.1%–
DFPHStarling Oncology, Inc.COM CL A913,355$9.06M0.1%History
Stride, Inc.86333MAA6NOTE 1.125% 9/0–$8.97M0.1%–
890 5th Ave Partners Inc28250A105COM CL A883,336$8.75M0.1%–
LICYLi-Cycle Holdings Corp.COMMON SHARES800,000$8.75M0.1%History
Thimble Point Acquisition Co88408P107COM CL A867,292$8.62M0.1%–
HZACHorizon Acquisition CorpCOM CL A856,656$8.55M0.1%History
Avaya Hldgs Corp05351XAB7NOTE 2.250% 6/1–$8.53M0.1%–
RPAIRetail Properties of America, Inc.CL A658,122$8.48M0.1%History
VOSOVirtuoso Acquisition Corp.COM CL A844,741$8.37M0.1%History
CC Neuberger Prin Hldgs IIG3166T129UNIT 99/99/9999770,000$7.78M0.1%–
Leo Holdings III CorpG5463T108SHS CL A772,898$7.68M0.1%–
Allegheny Technologies Inc01741RAK8NOTE 3.500% 6/1–$7.60M0.1%–
Investindustrial Acquisition Corp.G4771L105SHS CL A759,372$7.54M0.1%–
Bright Lights Acquisition Co10920K200UNIT 99/99/9999734,661$7.40M0.1%–
Ithax Acquisition CorpG49775110UNIT 12/31/2027721,023$7.17M0.1%–
ADTHAdTheorent Holding Company, Inc.COM CL A695,690$6.87M0.1%History
CF Acquisition Corp V12520R106CL A688,684$6.82M0.1%–
Silverbox Engaged Merger Co82836L200UNIT 03/31/2028679,497$6.75M0.1%–
Malacca Straits Acquisition Co LtdG5859B117COM CL A676,994$6.73M0.1%–
Rosecliff Acquisition Corp I77732R202UNIT 99/99/9999647,405$6.41M0.1%–
Firstmark Horizon Acquisitio33765Y200UNIT 99/99/9999605,896$6.20M0.1%–
Broadstone Acquisition CorpG1739V100SHS CL A598,784$5.96M0.1%–
North Atlantic Acquisitn CorG66139117UNIT 10/20/2025587,800$5.88M0.1%–
EQRXEQRx, Inc.CLASS A COM586,900$5.82M0.1%History
Sports Entertainment Acqu Co84918M106COM CL A577,783$5.79M0.1%–
GIGCAPITAL4 Inc37518G101COM571,716$5.64M0.1%–
Crown PropTech AcquisitionsG25741128UNIT 99/99/9999548,445$5.39M0.1%–
CF Acquisition Corp VI12521J202UNIT 99/99/9999538,089$5.30M0.1%–
26 Capital Acquisition Corp.90138P209UNIT 12/31/2027506,294$5.09M0.1%–
Dune Acquisition Corp265334201UNIT 10/29/2027501,110$5.09M0.1%–
Spartacus Acquisition Corp84677L109CL A500,869$5.07M0.1%–
Marquee Raine Acquisition CoG58442107CL A SHS506,188$5.06M0.1%–
CM Life Sciences III Inc125841205UNIT 04/30/2028476,815$4.97M0.1%–
OWLTOwlet, Inc.COMMON STOCK864,935$4.83M<0.1%History
HYPRHyperfine, Inc.CL A SHS470,790$4.66M<0.1%History
Archimedes Tech Spac Partnr039562202UNIT 03/10/2026453,100$4.51M<0.1%–
Biotech Acquisition CompanyG1125A124UNIT 11/30/2027442,393$4.45M<0.1%–
Ushg Acquisition Corp91748P209UNIT 99/99/9999428,903$4.27M<0.1%–
Boa Acquisition Corp05601A208UNIT 99/99/9999428,400$4.23M<0.1%–
MSONMisonix IncCOM156,946$3.97M<0.1%History
VEIVine Energy Inc.CL A229,955$3.79M<0.1%History
Broadscale Acquisition Corp11134Y200UNIT 02/02/2026382,758$3.79M<0.1%–
CTOCTO Realty Growth, Inc.COM69,946$3.76M<0.1%History
Adit Edtech Acquisition Corp007024201UNIT 99/99/9999376,245$3.75M<0.1%–
DDDuPont de Nemours, Inc.COM55,028$3.74M<0.1%History
AEPAmerican Electric Power Co IncStock46,075$3.74M<0.1%History
CCICrown Castle Inc.REIT21,581$3.74M<0.1%History
TTTrane Technologies plcSHS21,591$3.73M<0.1%History
Alpha Capital Acquisition CoG0316P114UNIT 02/16/2026369,415$3.73M<0.1%–
QCOMQualcomm IncStock28,869$3.72M<0.1%History
ACNAccenture plcStock11,611$3.71M<0.1%History
FDXFedEx CorpStock16,879$3.70M<0.1%History
CCitigroup IncStock52,580$3.69M<0.1%History
MNSTMonster Beverage CorpCOM40,790$3.62M<0.1%History