Skip to main content

CSS LLC

SEC CIK
0001103646
Latest filing
Aug 14, 2026

Holdings in Q3 2023

Holdings as of Sep 30, 2023, filed Nov 14, 2023. Long positions only; changes compare share counts with Q2 2023.

Institution overview
Positions
567
−28 vs. Q2 2023
Portfolio value
$1.20B
−$97.6M (−7.5%) vs. Q2 2023
Filed
Nov 14, 2023
SEC
Holdings of CSS LLC in Q3 2023
SecurityClassSharesValue% of portfolioShare changeActionHistory
Nisource Inc.65473P121UNIT 12/01/202331,638$3.08M0.3%+31,638New–
BRWSaba Capital Income & Opportunities FundSHS NEW404,546$3.11M0.3%−20,125−4.7%ReducedHistory
SUSuncor Energy IncStock91,644$3.15M0.3%−6,300−6.4%ReducedHistory
Dropbox, Inc.26210CAC8NOTE 3/0–$3.17M0.3%–––
Mitek Sys Inc606710AA9NOTE 0.750% 2/0–$3.27M0.3%–New–
Vail Resorts Inc91879QAN9NOTE 1/0–$3.53M0.3%–––
Innoviva, Inc.45781MAD3NOTE 2.125% 3/1–$3.71M0.3%–––
BridgeBio Pharma, Inc.10806XAD4NOTE 2.250% 2/0–$3.73M0.3%–New–
HZNPHorizon Therapeutics Public Ltd CoSHS32,276$3.73M0.3%+23,300+259.6%AddedHistory
Bloom Energy Corp093712AH0NOTE 2.500% 8/1–$3.83M0.3%–––
CEFSprott Physical Gold & Silver TrustPHYSICAL GOLD AN221,771$3.84M0.3%+150,363+210.6%AddedHistory
MXEMexico Equity & Income Fund IncCOM439,243$4.13M0.3%00.0%UnchangedHistory
Ramco-Gershenson Properties Trust74971D200PERP PFD-D CV82,207$4.19M0.3%+82,207New–
Litman Gregory FDS Tr53700T827IMGP DBI MAN ETF156,141$4.51M0.4%−28,000−15.2%Reduced–
ACIAlbertsons Companies, Inc.COMMON STOCK209,557$4.77M0.4%−15,289−6.8%ReducedHistory
Intercept Pharmaceuticals IN45845PAC2NOTE 3.500% 2/1–$4.83M0.4%–New–
Revance Therapeutics, Inc.761330AB5NOTE 1.750% 2/1–$4.89M0.4%–––
CVXChevron CorpStock29,374$4.95M0.4%+2,435+9.0%AddedHistory
CENCenter Coast Brookfield MLP & Energy Infrastructure FundSHS BEN INT236,401$5.01M0.4%+99,137+72.2%AddedHistory
INSMED Inc457669AB5NOTE 0.750% 6/0–$5.05M0.4%–––
Ironwood Pharmaceuticals Inc46333XAH1NOTE 1.500% 6/1–$5.38M0.4%–New–
Callaway Golf Co131193AE4NOTE 2.750% 5/0–$5.78M0.5%–New–
Varonis Sys Inc922280AB8NOTE 1.250% 8/1–$5.86M0.5%–––
BPBP PLCADR156,223$6.05M0.5%+21,000+15.5%AddedHistory
ATVIActivision Blizzard, Inc.COM66,900$6.26M0.5%+56,800+562.4%AddedHistory
SPE.PCSpecial Opportunities Fund, Inc.2.75% CNV PFD C281,296$6.39M0.5%−2,300−0.8%ReducedHistory
VRTXVertex Pharmaceuticals IncStock19,000$6.61M0.6%−300−1.6%ReducedHistory
RBC Bearings INC75524B2035% CNV PFD SR A61,348$6.77M0.6%+61,348New–
Exact Sciences Corp30063PAB1NOTE 0.375% 3/1–$6.80M0.6%–New–
NATINational Instruments CorpCOM118,817$7.08M0.6%+62,549+111.2%AddedHistory
GoPro, Inc.38268TAD5NOTE 1.250%11/1–$7.20M0.6%–––
Collegium Pharmaceutical, Inc19459JAA2NOTE 2.625% 2/1–$7.36M0.6%–––
FLRFluor CorpStock202,088$7.42M0.6%+202,088NewHistory
Starwood Ppty Tr Inc85571BBA2NOTE 6.750% 7/1–$7.56M0.6%–––
STEWSRH Total Return Fund, Inc.COM587,493$7.63M0.6%+1,595+0.3%AddedHistory
SPYSPDR S&P 500 ETF TrustETF18,266$7.81M0.7%+10,495+135.1%AddedHistory
FDEUFirst Trust Dynamic Europe Equity Income FundCOM SHS634,664$7.87M0.7%+224,457+54.7%AddedHistory
Imax Corp45245EAJ8NOTE 0.500% 4/0–$8.89M0.7%–New–
Transocean Ltd.893830BW8DEB 4.625% 9/3–$9.10M0.8%–––
PEOAdams Natural Resources Fund, Inc.COM395,024$9.13M0.8%−140,597−26.2%ReducedHistory
Greenbrier Cos Inc393657AM3NOTE 2.875% 4/1–$9.52M0.8%–––
NCL Corp Ltd62886HAX9NOTE 5.375% 8/0–$10.3M0.9%–New–
PTC Therapeutics, Inc.69366JAD3NOTE 1.500% 9/1–$10.5M0.9%–––
Bentley Sys Inc08265TAB5NOTE 0.125% 1/1–$11.6M1.0%–New–
Progress Software Corp743312AB6NOTE 1.000% 4/1–$11.6M1.0%–––
On Semiconductor Corp682189AS4NOTE 5/0–$12.0M1.0%–––
CONMED Corp207410AH4NOTE 2.250% 6/1–$14.4M1.2%–––
Sarepta Therapeutics, Inc.803607AB6DBCV 1.500%11/1–$14.5M1.2%–––
Cinemark Hldgs Inc17243VAB8NOTE 4.500% 8/1–$15.2M1.3%–––
Helix Energy Solutions Grp I42330PAK3NOTE 6.750% 2/1–$15.4M1.3%–––
PROS Holdings, Inc.74346YAG8NOTE 2.250% 9/1–$15.5M1.3%–––
Redwood Trust Inc758075AF2NOTE 7.750% 6/1–$17.1M1.4%–––
Alphatec Hldgs Inc02081GAB8NOTE 0.750% 8/0–$17.5M1.5%–––
Green Plains Inc.393222AK0NOTE 2.250% 3/1–$21.4M1.8%–––
Mannkind Corp56400PAQ5NOTE 2.500% 3/0–$22.1M1.8%–––
Neurocrine Biosciences Inc64125CAD1NOTE 2.250% 5/1–$23.2M1.9%–––
Marriott Vacations Worldwide Corp57164YAD9NOTE 1/1–$24.5M2.0%–––
Macom Tech Solutions Hldgs I55405YAB6NOTE 0.250% 3/1–$25.6M2.1%–––
Ionis Pharmaceuticals Inc462222AD2NOTE 4/0–$27.1M2.3%–––
Peabody Engr Corp704551AD2NOTE 3.250% 3/0–$35.8M3.0%–––
Carnival Corp143658BT8NOTE 5.750%10/0–$52.7M4.4%–––
American Airls Group Inc02376RAF9NOTE 6.500% 7/0–$59.1M4.9%–––
NENoble Corp plcORD SHS A1,729,627$87.6M7.3%−178,233−9.3%ReducedHistory
Royal Caribbean Group780153BQ4NOTE 6.000% 8/1–$108.8M9.1%–New–
Kaleyra, Inc.483379111*W EXP 11/25/202223,471––+197,587+763.4%Added–
Skillsoft Corp.83066P119*W EXP 06/11/20248,743––−590,625−92.4%Reduced–
Rubicon Technologies, Inc.78112J117*W EXP 04/01/20213,984––−155,588−91.8%Reduced–

Options (201)

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

The largest 100 of 201 by value.

Option positions of CSS LLC in Q3 2023
SecurityClassPutsCalls
ARK Innovation ETF00214Q104ETF$2.03M$24.2M
RCLRoyal Caribbean Cruises LtdCOM$21.7M–
AALAmerican Airlines Group Inc.Stock$19.9M–
ATVIActivision Blizzard, Inc.COM$4.33M$10.1M
PCGPG&E CorpStock$9.97M$1.64M
iShares Russell 2000 ETF464287655ETF$9.54M$530.2K
CCLCarnival Corp Ltd.UNIT 99/99/9999$9.69M–
NATINational Instruments CorpCOM$5.65M$3.90M
HZNPHorizon Therapeutics Public Ltd CoSHS$6.57M$1.54M
SPYSPDR S&P 500 ETF TrustETF$7.69M–
BIPCBrookfield Infrastructure CorpCOM SB VTG SHS A$5.14M$1.98M
State Street Energy Select Sector SPDR ETF81369Y506ETF$5.42M$903.9K
VRTXVertex Pharmaceuticals IncStock$6.26M–
iShares Tr464287234MSCI EMG MKT ETF$1.26M$4.96M
Alps ETF Tr00162Q452ALERIAN MLP$6.07M$76.0K
DVNDevon Energy CorpStock–$5.85M
State Street Financial Select Sector SPDR ETF81369Y605ETF$3.90M$1.41M
NINisource Inc.COM$3.08M$2.08M
State Street SPDR S&P Homebuilders ETF78464A888ETF$4.62M$145.5K
WWayfair Inc.CL A$4.08M$181.7K
SIRISirius XM Holdings Inc.COM$3.25M$832.1K
OKEONEOK IncCOM$2.71M$1.19M
NIONIO Inc.ADR$3.52M–
RIVNRivian Automotive, Inc.Stock$3.52M–
ICEIntercontinental Exchange, Inc.Stock$2.09M$1.21M
FANGDiamondback Energy, Inc.Stock–$2.79M
GLDSPDR Gold TrustETF$2.74M–
CVSCVS Health CorpStock–$2.44M
State Street Technology Select Sector SPDR ETF81369Y803ETF$2.30M–
ACIAlbertsons Companies, Inc.COMMON STOCK$2.08M$136.5K
iShares Tr464288513IBOXX HI YD ETF$2.21M–
RIGTransocean Ltd.REGISTERED SHS$2.19M–
Invesco QQQ Trust Series I46090E103ETF$2.15M–
TAT&T Inc.Stock–$2.14M
VMWVmware LLCCL A COM$1.88M$33.3K
BHVNBiohaven Ltd.COM$1.91M–
ORCLOracle CorpStock–$1.91M
AFRMAffirm Holdings, Inc.COM CL A$1.06M$744.5K
SHOPShopify Inc.Stock$1.64M–
TNETTrinet Group, Inc.COM$1.63M–
LLYEli Lilly & CoStock$1.61M–
PLTRPalantir Technologies Inc.Stock$1.59M–
SWNSouthwestern Energy CoCOM–$1.54M
AIC3.ai, Inc.Stock$1.53M–
NVAXNovavax IncCOM NEW$1.48M–
SPBSpectrum Brands Holdings, Inc.COM$1.41M–
RBCRBC Bearings INCCOM–$1.40M
MMacy's, Inc.COM–$1.39M
NETCloudflare, Inc.CL A COM$1.32M–
GOOGLAlphabet Inc.Stock–$1.31M
IBMInternational Business Machines CorpStock–$1.26M
DASHDoorDash, Inc.Stock$1.19M–
XOMExxonMobil Holdings CorpCOM–$1.18M
SPGIS&P Global Inc.Stock$1.10M–
GWREGuidewire Software, Inc.COM$1.08M–
FHNFirst Horizon CorpCOM$77.1K$980.8K
KVUEKenvue Inc.Stock$911.6K$124.5K
UPSTUpstart Holdings, Inc.COM$1.02M–
APAAPA CorpStock–$1.02M
SIGSignet Jewelers LtdSHS–$1.01M
DMDesktop Metal, Inc.COM CL A$994.4K–
HRBH&R Block IncCOM–$990.4K
HCPHashiCorp, Inc.COM CL A$904.1K–
WBAWalgreens Boots Alliance, Inc.COM–$889.6K
CSCOCisco Systems, Inc.Stock$537.6K$322.6K
ARCHArch Resources, Inc.CL A–$853.3K
TSLATesla, Inc.Stock$825.7K–
CCitigroup IncStock–$822.6K
LYFTLyft, Inc.CL A COM$608.2K$210.8K
VTRSViatris IncStock–$811.5K
MROMarathon Oil CorpCOM–$802.5K
IDCCInterDigital, Inc.COM–$802.4K
OMFOneMain Holdings, Inc.COM–$801.8K
CNCCentene CorpStock–$799.0K
LENLennar CorpCL A–$785.6K
JNJJohnson & JohnsonStock$778.8K–
AXPAmerican Express CoStock–$746.0K
STNGScorpio Tankers Inc.SHS$741.4K–
CVNACarvana Co.CL A$587.7K$146.9K
EFXEquifax IncCOM$732.7K–
XYZBlock, Inc.CL A$708.2K–
HOODRobinhood Markets, Inc.Stock$686.7K–
TSEMTower Semiconductor LtdSHS NEW–$670.5K
NCLHNorwegian Cruise Line Holdings Ltd.SHS$659.2K–
WYNNWynn Resorts LtdCOM$646.9K–
SHELShell plcADR–$643.8K
TRGPTarga Resources Corp.COM$642.9K–
GMGeneral Motors CoCOM–$629.7K
ALSNAllison Transmission Holdings IncStock–$590.6K
VLOValero Energy CorpStock–$566.8K
DALDelta Air Lines, Inc.COM NEW–$555.0K
CIRCircor International IncCOM$551.9K–
UNMUnum GroupStock–$541.1K
PINSPinterest, Inc.CL A$540.6K–
TGITriumph Group IncCOM$248.9K$284.2K
AMCAMC Entertainment Holdings, Inc.CL A NEW$234.8K$282.3K
Paramount Global92556H206CL B$516.0K–
AEISAdvanced Energy Industries IncCOM–$515.6K
EXPEExpedia Group, Inc.Stock–$515.4K
MSCIMSCI Inc.Stock$513.1K–

Sold out since Q2 2023 (148)

Positions held at the end of Q2 2023 that are gone from this filing.

The largest 100 of 148 by value last quarter.

Positions of CSS LLC sold out since Q2 2023
SecurityClassShares in Q2 2023Value in Q2 2023% of portfolio in Q2 2023History
Dexcom Inc252131AH0NOTE 0.750%12/0–$123.0M9.5%–
PG&E Corp69331C140UNIT 99/99/9999352,144$52.7M4.1%–
Evolent Health, Inc.30050BAF8NOTE 3.500%12/0–$17.4M1.3%–
Wix.com Ltd.92940WAB5NOTE 7/0–$17.0M1.3%–
FLDFold Holdings, Inc.COM CL A1,515,888$15.7M1.2%History
LSILife Storage, Inc.COM100,489$13.4M1.0%History
GERGoldman Sachs MLP & Energy Renaissance FundCOM632,594$9.93M0.8%History
Coherent Corp.19247G2066% CONV PFD A37,656$8.58M0.7%–
KKR and Co Inc 6 McOnv PFD C48251W401CONVERTIBLE PREFERRED STOCK115,474$7.63M0.6%–
Sabre Corp78573M2036.50% CONV PFD A117,781$5.56M0.4%–
EPR.PCEpr PropertiesPFD C CV 5.75%253,063$5.34M0.4%History
Rapid7, Inc.753422AD6NOTE 2.250% 5/0–$4.48M0.3%–
Liberty Media Corp531229409COM A SIRIUSXM131,033$4.30M0.3%–
3D Sys Corp Del88554DAD8NOTE 11/1–$3.79M0.3%–
8X8 Inc282914AE0NOTE 4.000% 2/0–$3.70M0.3%–
Dynavax Technologies Corp268158AD4NOTE 2.500% 5/1–$3.51M0.3%–
Stride, Inc.86333MAA6NOTE 1.125% 9/0–$3.36M0.3%–
Liberty Media Corp Del531229607COM C SIRIUSXM100,117$3.28M0.3%–
Box Inc10316TAB0NOTE 1/1–$3.13M0.2%–
MIDDLEBY Corp596278AB7NOTE 1.000% 9/0–$3.11M0.2%–
Zillow Group, Inc.98954MAE1NOTE 0.750% 9/0–$3.09M0.2%–
Transocean Ltd.893830BT5DEB 4.000%12/1–$3.04M0.2%–
Inflection PT Acquisitn CRPG4790U128UNIT 08/29/2031260,000$2.63M0.2%–
PRLHPearl Holdings Acquisition CorpCLASS A ORD SHS230,998$2.44M0.2%History
Silverbox Corp III82836N107COM CL A208,110$2.10M0.2%–
Liberty Media Corp Del531229508COM B SIRIUSXM62,599$2.03M0.2%–
Andretti Acquisition CorpG26735103CL A ORD SHS186,566$1.99M0.2%–
NCL Corp Ltd62886HBK6NOTE 2.500% 2/1–$1.89M0.1%–
LBRDALiberty Broadband CorpCOM SER A22,511$1.79M0.1%History
TRTNTriton International LtdCL A20,892$1.74M0.1%History
American Elec PWR Co Inc02557T307UNIT 08/15/202533,885$1.67M0.1%–
BKIBlack Knight, Inc.COM23,000$1.37M0.1%History
Roivant Sciences Ltd.G76279119*W EXP 09/30/202543,921$1.35M0.1%–
SHIFT4 PMTS Inc82452JAD1NOTE 0.500% 8/0–$1.33M0.1%–
CDAQCompass Digital Acquisition Corp.CLASS A ORD126,701$1.31M0.1%History
XOMExxonMobil Holdings CorpCOM12,159$1.30M0.1%History
ISEEIVERIC bio, Inc.COM32,380$1.27M0.1%History
KDNYChinook Therapeutics, Inc.COM32,291$1.24M0.1%History
IGTAInception Growth Acquisition LtdCOMMON STOCK109,650$1.14M0.1%History
USXUS Xpress Enterprises IncCOM CL A179,404$1.10M0.1%History
LOCCLive Oak Crestview Climate Acquisition Corp.CL A COM107,088$1.10M0.1%History
Consilium Acquisitn Corp I LG2365L101CLASS A ORD SHS104,385$1.09M0.1%–
Black Spade Acquisition CoG11537100SHS CL A105,400$1.09M0.1%–
Nextera Energy Inc65339F739UNIT 99/99/999920,577$1.01M0.1%–
UBPUrstadt Biddle Properties IncCOM47,470$998.8K0.1%History
FG Merger Corp30324Y101COMMON STOCK90,956$963.2K0.1%–
Chain Bridge IG2061X102CLASS A ORD89,020$935.6K0.1%–
FWONKLiberty Media CorpCOM SER C FRMLA12,200$918.4K0.1%History
Vanguard Emerging Markets Government Bond ETF921946885ETF13,971$870.0K0.1%–
MMPMagellan Midstream Partners, L.P.COM UNIT RP LP13,747$856.7K0.1%History
AMCAMC Entertainment Holdings, Inc.CL A COM182,592$803.4K0.1%History
DBXDropbox, Inc.CL A30,000$800.1K0.1%History
DICEDICE Therapeutics, Inc.COM17,200$799.1K0.1%History
SRPTSarepta Therapeutics, Inc.COM6,700$767.3K0.1%History
TRISTristar Acquisition I Corp.CL A ORD SHS68,500$716.9K0.1%History
ZIMZIM Integrated Shipping Services Ltd.SHS56,340$698.1K0.1%History
Joby Aviation, Inc.G65163118*W EXP 08/10/202260,036$689.1K0.1%–
Ftac Zeus Acquisition Cor30320F106CLASS A COM61,041$636.4K<0.1%–
PNSTPinstripes Holdings, Inc.CL A COM57,892$602.1K<0.1%History
VSHVishay Intertechnology IncCOM20,300$596.8K<0.1%History
PMPhilip Morris International Inc.Stock6,000$585.7K<0.1%History
XYLXylem Inc.COM5,200$585.6K<0.1%History
GasLog Partners LPY2687W108UNIT LTD PTNRP67,180$579.1K<0.1%–
PDCEPDC Energy, Inc.COM8,008$569.7K<0.1%History
PRGSProgress Software CorpCOM9,000$522.9K<0.1%History
BTUPeabody Energy CorpCOM24,000$519.8K<0.1%History
SFMSprouts Farmers Market, Inc.COM14,000$514.2K<0.1%History
DISH Network CORP25470MAB5NOTE 3.375% 8/1–$509.6K<0.1%–
Amyris, Inc.03236MAJ0NOTE 1.500%11/1–$495.3K<0.1%–
AMNAmn Healthcare Services IncCOM4,500$491.0K<0.1%History
SUACShoulderUP Technology Acquisition Corp.CL A COM46,231$481.3K<0.1%History
TXTTextron IncCOM7,000$473.4K<0.1%History
UNVRUnivar Solutions Inc.COM13,000$465.9K<0.1%History
Target Hospitality Corp.87615L115*W EXP 03/15/202135,697$464.1K<0.1%–
BCBrunswick CorpCOM5,353$463.8K<0.1%History
indie Semiconductor, Inc.45569U119*W EXP 06/15/202168,134$396.8K<0.1%–
LBTYKLiberty Global Ltd.SHS CL C22,288$396.1K<0.1%History
BBWIBath & Body Works, Inc.COM10,401$390.0K<0.1%History
HALOHalozyme Therapeutics, Inc.COM10,700$385.9K<0.1%History
CROXCrocs, Inc.COM3,394$381.6K<0.1%History
SNASnap-on IncCOM1,300$374.6K<0.1%History
FORLFour Leaf Acquisition CorpCOM CL A35,395$365.3K<0.1%History
CNXCNX Resources CorpCOM20,481$362.9K<0.1%History
KFYKorn FerryCOM NEW7,168$355.1K<0.1%History
CECelanese CorpStock3,000$347.4K<0.1%History
UBAUrstadt Biddle Properties IncCL A16,235$345.2K<0.1%History
HSICHenry Schein IncCOM4,000$324.4K<0.1%History
SGTXSigilon Therapeutics, Inc.COM NEW13,292$299.2K<0.1%History
ARRYArray Technologies, Inc.COM SHS12,562$283.9K<0.1%History
EXPEagle Materials IncCOM1,500$279.6K<0.1%History
SCPLSciPlay CorpCL A13,962$274.8K<0.1%History
NDPTortoise Energy Independence Fund, Inc.COM9,199$264.5K<0.1%History
iShares Tr4642874407-10 YR TRSY BD2,600$251.2K<0.1%–
BAMBrookfield Asset Management Ltd.CL A LMT VTG SHS7,641$249.3K<0.1%History
ENVXEnovix CorpCOM13,800$249.0K<0.1%History
IMKTAIngles Markets IncCL A3,000$247.9K<0.1%History
VVVValvoline IncCOM6,605$247.8K<0.1%History
WFRDWeatherford International plcORD SHS3,484$231.4K<0.1%History
ABSTAbsolute Software CorpCOM19,137$219.3K<0.1%History
Mirion Technologies Inc - US60471A119Warrant / Rights118,088$214.9K<0.1%–