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Group One Trading LLC

Q1 2018 Holdings

Filed 2018-05-11 | 4806 holdings | $71.1M | 13F-HR/A | View on SEC ↗ · Holdings Table ↗

Amended (2018-05-17) | View on SEC ↗ · Holdings Table ↗

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IssuerClassCUSIPValue ↑Shares% Portfolio
Pulmatrix IncCOM74584P103$07670.0%
Biotime IncWARRANT09066L162$03,6170.0%
Gevo IncCOM PAR374396307$0150.0%
Evolution Petroleum CorpCallCOM30049A907$07000.0%
LSB Inds Inc(LXU)COM502160104$12000.0%
CYS Invts IncCOM12673A108$11850.0%
Rocket Pharmaceuticals Inc(RCKT)COM77313F106$1550.0%
Archrock Partners L PPutACOM UNITS REPSTG03957U950$11000.0%
Calavo Growers Inc(CVGW)COM128246105$1150.0%
Chemocentryx IncCallCOM16383L906$11000.0%
Altimmune IncCOM02155H101$16150.0%
Arlington Asset Invt Corp(AIEUR)CL A NEW041356205$11000.0%
Preferred APT Cmntys IncPutCOM74039L953$11000.0%
Eclipse RES CorpCOM27890G100$14000.0%
Rait Financial TrustCOM NEW749227609$19,1870.0%
BlackRock Capital Investment(BKCCUSD)COM092533108$11840.0%
LA Quinta Hldgs IncCOM50420D108$1630.0%
Codexis IncCallCOM192005906$11000.0%
Alimera Sciences IncCallCOM016259903$16000.0%
Jones Energy IncCOM CL A48019R108$11,0470.0%
Photronics IncPutCOM719405952$11000.0%
Rait Financial TrustPutCOM NEW749227959$15,0000.0%
Imprimis Pharmaceuticals IncCOM NEW45323A201$15000.0%
Document SEC SYS IncCOM NEW25614T200$17940.0%
Inseego Corp(INSGEUR)COM45782B104$17630.0%
Inseego CorpCallCOM45782B904$18000.0%
China Rapid FIN LTDCallSPONSORED ADR16953Q905$12000.0%
Pain Therapeutics IncCOM NEW69562K506$11430.0%
Papa Murphys Hldgs IncPutCOM698814950$12000.0%
Achillion Pharmaceuticals inPutCOM00448Q951$14000.0%
Dawson Geophysical Co New(DWSN)COM239360100$11000.0%
Forum Energy Technologies inCallCOM34984V900$11000.0%
Intrepid Potash IncCallCOM46121Y902$12000.0%
Chinanet Online Hldgs IncPutCOM NEW16949H951$14000.0%
Casella Waste SYS Inc(CWST)CL A147448104$1570.0%
Dicerna Pharmaceuticals IncPutCOM253031958$11000.0%
PHH CorpPutCOM NEW693320952$11000.0%
America First Multifamily inPutBEN UNIT CTF02364V957$12000.0%
Parkervision IncPutCOM NEW701354950$19000.0%
Anthera Pharmaceuticals Inc(ANTH)COM03674U300$12,3610.0%
Aceto CorpCallCOM004446900$11000.0%
America First Multifamily inBEN UNIT CTF02364V107$12000.0%
FS Invt CorpPutCOM302635957$12000.0%
Enlink Midstream Partners LPCallCOM UNIT REP LTD29336U907$11000.0%
FS Invt CorpCallCOM302635907$11000.0%
FTD COS IncPutCOM30281V958$14000.0%
Bioscrip Inc(BIOSEUR)COM09069N108$13000.0%
W R Berkley Corporation(WRB)COM084423102$1200.0%
Bristow Group IncPutCOM110394953$11000.0%
Enlink Midstream LLCCallCOM UNIT REP LTD29336T900$11000.0%
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