IR
Superintel
OverviewMarketsWatchlist
© 2026 IR SuperintelMethodologyContact

Citadel Advisors LLC

Q1 2021 Holdings

Filed 2021-05-17 | 16138 holdings | $407.6M | 13F-HR/A | View on SEC ↗ · Holdings Table ↗

Amended (2021-05-21) | View on SEC ↗ · Holdings Table ↗

Sign in to see sub-manager breakdown

IssuerClassCUSIPValue ↑Shares% Portfolio
Superior Inds Intl IncCOM868168105$24843,7190.0%
Citizens & Northn Corp(CZNC)COM172922106$24810,4320.0%
Cyren LTDSHSM26895108$248303,9770.0%
Therapeuticsmd IncPutCOM88338N107$248184,9000.0%
GP Strategies Corp(GPX)COM36225V104$24814,2310.0%
ZW Data Action Technologs inCOM98880R109$24894,0570.0%
Marker Therapeutics IncCallCOM57055L107$248110,7000.0%
Tufin Software TechnologieSHSM8893U102$24823,6610.0%
Astec Inds Inc(ASTE)PutCOM046224101$2493,3000.0%
Invesco Exchange Traded FD T(PGF)PutFINL PFD ETF46137V621$24913,2000.0%
Noble Midstream Partners LPPutCOM UNIT REPST65506L105$24917,2000.0%
LG Display Co LTD(LPL)SPONS ADR REP50186V102$24924,9680.0%
Applied Therapeutics Inc(APLT)CallCOM03828A101$24913,3000.0%
Black Stone Minerals L P(BSM)PutCOM UNIT09225M101$24928,5000.0%
First Long IS Corp(FLICUSD)PutCOM320734106$24911,7000.0%
I MAB(NBP)SPONSORED ADS44975P103$2495,1440.0%
Ishares Inc(EWI)CallMSCI ITALY ETF46434G830$2497,9000.0%
Collegium Pharmaceutical Inc(COLL)PutCOM19459J104$24910,5000.0%
Athersys Inc New(ATHXEUR)CallCOM04744L106$250138,9000.0%
Cimarex Energy Co(XECEUR)COM171798101$2504,2170.0%
Lindsay Corp(LNN)PutCOM535555106$2501,5000.0%
Hibbett Sports Inc(HB6)COM428567101$2503,6340.0%
Immunitybio Inc(IBRX)COM45256X103$25010,5360.0%
Summit Therapeutics Inc(SMMT)COM86627T108$25042,5910.0%
Annovis BIO Inc(ANVS)ACOM03615A108$2508,9630.0%
Global X FDS(GREK)MSCI GREECE ETF37954Y319$2509,4460.0%
Vector Group LTD(VGREUR)COM92240M108$25017,9310.0%
Horizon Bancorp Inc(HBNC)COM440407104$25013,4140.0%
Fluent Inc(IDIEUR)PutCOM34380C102$25161,1000.0%
East Stone Acquisition CorpCallSHSG2911D108$25125,1000.0%
CPS Technologies Corp(CPSH)PutCOM12619F104$25119,2000.0%
Bruker Corp(BRKR)CallCOM116794108$2513,9000.0%
Credit Suisse High Yield BD(DHY)ASH BEN INT22544F103$251103,9950.0%
Spdr SER TR(XHE)CallHLTH CR EQUIP78464A581$2512,1000.0%
Dpcm Cap IncPutCOM CL A23344P101$25125,5000.0%
Mict Inc(TIOG)COM55328R109$251121,0860.0%
Comtech Telecommunications C(CMTL)CallCOM NEW205826209$25110,1000.0%
Pactiv Evergreen IncCOM69526K105$25218,3210.0%
Overstock COM Inc del(BBBY)CallCOM690370101$2523,8000.0%
Orchid IS Cap IncCOM68571X103$25242,0290.0%
BlackRock Science & Technolo(BST)SHS09258G104$2524,6580.0%
RMG Acquisition Corp III*W EXP 02/08/202G76088122$252180,0000.0%
Allot LTD(ALLT)CallSHSM0854Q105$25215,8000.0%
Zanite Acquisition Corp*W EXP 10/08/20298907K111$252200,1000.0%
Credit Suisse Nassau BranchFI ENHNCD EUR 5022539U107$2522,6600.0%
Pacer FDS TRSALT HIG TRUBT69374H618$2526,2400.0%
Inotiv Inc(NOTV)COM45783Q100$25212,5970.0%
Ovid Therapeutics Inc(OVID)CallCOM690469101$25262,6000.0%
Innoviva Inc(INVA)PutCOM45781M101$25321,2000.0%
Ishares TR(IEO)CallUS OIL GS EX ETF464288851$2535,2000.0%
PreviousPage 38 of 263Next