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CSS LLC

13F filer · CIK 0001103646
Reported Aug 14, 2026
Net buyer this quarter
13F portfolio value$2.57BU.S. long equity reported on 13F
Positions637180 new · 128 closed
Net flow last quarter+$171MBuys minus sells
Top 10 positions weight8.7%Concentration

Holdings

13F · last 4 quarters free
Scroll for earlier quarters
CompanyValue% of portfolio% of companyPOSITION CHANGE qoq %First reported
Q2 2026Reported Aug 14, 2026637 positions
SMCIPSuper Micro Computer, Inc.$45.3M1.76%Not reportedNewQ2 2026
CORZWCore Scientific, Inc./tx$44.2M1.72%Not reported+12.9%Q2 2024
MCHPPMicrochip Technology Inc$43M1.67%Not reportedNewQ2 2026
WDCWestern Digital Corp$15.9M0.62%0.01%-2.0%Q2 2016
IAUIshares Gold Trust$15.1M0.59%0.02%Not reportedQ4 2023
GOOGNAlphabet Inc.$13.4M0.52%Not reportedNewQ2 2026
SPYSPDR S&P 500 ETF Trust$12.9M0.50%Not reportedNot reportedQ1 2014
PENPenumbra Inc$12.2M0.48%0.10%+7.2%Q1 2026
IONSIonis Pharmaceuticals Inc$12.1M0.47%0.09%+92.5%Q1 2017
OHACOceanhawk Acquisition Corp.$10.3M0.40%Not reportedNewQ2 2026
GTLSChart Industries Inc$9.39M0.37%0.09%+327.9%Q3 2025
STEWSRH Total Return Fund, Inc.$8.27M0.32%Not reportedNot reportedQ4 2013
TACHTitan Acquisition Corp.$7.37M0.29%Not reportedNot reportedQ2 2025
JAZZJazz Pharmaceuticals plc$7M0.27%0.05%Not reportedQ2 2021
EVACEQV Ventures Acquisition Corp. II$6.86M0.27%Not reported+466.4%Q3 2025
WENNWEN Acquisition Corp$6.66M0.26%Not reportedNot reportedQ3 2025
RVMDWRevolution Medicines, Inc.$6.61M0.26%Not reported+347.7%Q4 2023
GOOGMAlphabet Inc.$6.34M0.25%Not reportedNewQ2 2026
SWZTotal Return Securities Fund$6.18M0.24%Not reported+1.9%Q4 2013
CUBLionheart Holdings$5.47M0.21%Not reportedNot reportedQ3 2024
AZULAzul SA$5.37M0.21%0.06%NewQ2 2026
TRGSTRG Latin America Acquisitions Corp.$5.27M0.21%Not reportedNewQ2 2026
BEBloom Energy Corp$5.21M0.20%0.01%+0.6%Q3 2021
SILASila Realty Trust, Inc.$5.14M0.20%0.31%NewQ2 2026
AACIUArmada Acquisition Corp. III$5.04M0.20%Not reported0.0%Q1 2026
MTSIMACOM Technology Solutions Holdings, Inc.$5M0.19%0.02%+16.9%Q4 2024
EAElectronic Arts Inc.$4.98M0.19%Not reported+158.3%Q1 2021
ARTCArt Technology Acquisition Corp.$4.84M0.19%Not reported+433.1%Q1 2026
LKSPLake Superior Acquisition Corp$4.72M0.18%2.97%Not reportedQ4 2025
IPCXInflection Point Acquisition Corp. III$4.69M0.18%Not reportedNot reportedQ2 2025
BRWSaba Capital Income & Opportunities Fund$4.51M0.18%Not reported-3.1%Q2 2021
KEYYKeystone Acquisition Corp.$4.45M0.17%Not reportedNewQ2 2026
DBRGDigitalBridge Group, Inc.$4.31M0.17%0.15%+4.1%Q1 2026
LLYVALiberty Live Holdings, Inc.$4.23M0.16%Not reportedNot reportedQ3 2023
DAAQDigital Asset Acquisition Corp.$4.2M0.16%Not reported+9.9%Q2 2025
MESHMeshflow Acquisition Corp$3.96M0.15%Not reported-0.2%Q1 2026
IMXIInternational Money Express, Inc.$3.88M0.15%0.89%+278.7%Q3 2025
MXEMexico Equity & Income Fund Inc$3.79M0.15%Not reported-0.3%Q4 2013
CAESCantor Equity Partners VII, Inc.$3.78M0.15%Not reportedNewQ2 2026
IPFXInflection Point Acquisition Corp. VI$3.68M0.14%Not reportedNewQ2 2026
MTDRMatador Resources Co$3.56M0.14%0.06%+103.4%Q4 2013
CAIICollective Acquisition Corp. II$3.47M0.13%Not reportedNewQ2 2026
ISNRUSnow Rothschild Acquisition Corp.$3.46M0.13%Not reportedNewQ2 2026
WLCOUWilco 63 Corp$3.02M0.12%Not reportedNewQ2 2026
DBCInvesco DB Commodity Index Tracking Fund$3M0.12%0.19%+5.6%Q3 2022
IPVVUInterPrivate Investment Partners V, Inc.$2.99M0.12%Not reportedNewQ2 2026
DBCAD. Boral Acquisition I Corp.$2.97M0.12%Not reported+20.2%Q1 2026
CIFRCipher Digital Inc.$2.93M0.11%0.03%+3.5%Q1 2026
TACOBerto Acquisition Corp.$2.84M0.11%3.61%-25.8%Q2 2025
LPBBLaunch Two Acquisition Corp.$2.82M0.11%Not reported-19.9%Q4 2024
Q1 2026Reported May 15, 2026584 positions
CORZWCore Scientific, Inc./tx$18.2M0.87%Not reported+2.5%Q2 2024
IAUIshares Gold Trust$17.6M0.84%0.02%+1.4%Q4 2023
PENPenumbra Inc$11.9M0.57%0.09%NewQ1 2026
HOLXHologic Inc$8.92M0.43%0.05%+652.7%Q3 2015
STEWSRH Total Return Fund, Inc.$7.9M0.38%Not reportedNot reportedQ4 2013
TACHTitan Acquisition Corp.$7.29M0.35%Not reportedNot reportedQ2 2025
IRHOIron Horse Acquisition II Corp.$7.27M0.35%11.67%NewQ1 2026
WDCWestern Digital Corp$6.88M0.33%0.01%-36.1%Q2 2016
WENNWEN Acquisition Corp$6.59M0.32%Not reportedNot reportedQ3 2025
SWZTotal Return Securities Fund$6.05M0.29%Not reported-38.5%Q4 2013
IONSIonis Pharmaceuticals Inc$5.94M0.28%0.05%Not reportedQ1 2017
GLDSPDR Gold Trust$5.43M0.26%0.00%+36.8%Q4 2013
TRGSUTRG Latin America Acquisitions Corp.$5.31M0.25%Not reportedNewQ1 2026
AMPXAmprius Technologies, Inc.$5.19M0.25%0.54%Not reportedQ2 2023
AACIUArmada Acquisition Corp. III$4.98M0.24%Not reportedNewQ1 2026
BRWSaba Capital Income & Opportunities Fund$4.77M0.23%Not reported-4.2%Q2 2021
LKSPLake Superior Acquisition Corp$4.68M0.22%2.97%-0.1%Q4 2025
IPCXInflection Point Acquisition Corp. III$4.64M0.22%Not reportedNot reportedQ2 2025
IPFXUInflection Point Acquisition Corp. VI$4.11M0.20%Not reportedNewQ1 2026
RSFRiverNorth Capital & Income Fund, Inc.$4.08M0.20%Not reported-4.9%Q2 2023
DBRGDigitalBridge Group, Inc.$4.04M0.19%0.14%NewQ1 2026
MESHMeshflow Acquisition Corp$3.92M0.19%Not reportedNewQ1 2026
BCSSBain Capital GSS Investment Corp.$3.92M0.19%Not reportedNewQ1 2026
PTORPraetorian Acquisition Corp.$3.89M0.19%Not reportedNewQ1 2026
LLYVALiberty Live Holdings, Inc.$3.83M0.18%Not reportedNot reportedQ3 2023
MTAL.UMetals Acquisition Corp. II$3.78M0.18%Not reportedNewQ1 2026
DAAQDigital Asset Acquisition Corp.$3.77M0.18%Not reported+1839.9%Q2 2025
MXEMexico Equity & Income Fund Inc$3.77M0.18%Not reported-12.2%Q4 2013
TACOBerto Acquisition Corp.$3.74M0.18%4.86%Not reportedQ2 2025
FGMCBOXABL Inc.$3.56M0.17%Not reportedNot reportedQ2 2022
RDAGRepublic Digital Acquisition Co$3.54M0.17%Not reportedNot reportedQ2 2025
LPBBLaunch Two Acquisition Corp.$3.49M0.17%Not reportedNot reportedQ4 2024
BRRProCap Financial, Inc.$3.27M0.16%1.89%Not reportedQ4 2025
DBCInvesco DB Commodity Index Tracking Fund$3.08M0.15%0.18%-24.2%Q3 2022
FIGXFIGX Capital Acquisition Corp.$3.03M0.15%Not reportedNot reportedQ3 2025
FERAFifth Era Acquisition Corp I$2.73M0.13%Not reportedNot reportedQ2 2025
CHPGChampionsGate Acquisition Corp$2.67M0.13%Not reported-4.5%Q3 2025
OXYOccidental Petroleum Corp$2.6M0.12%0.01%+67.4%Q4 2013
CVXChevron Corp$2.58M0.12%0.00%-10.7%Q4 2013
MEVOM Evo Global Acquisition Corp II$2.57M0.12%Not reportedNewQ1 2026
MTSIMACOM Technology Solutions Holdings, Inc.$2.5M0.12%0.02%+24.7%Q4 2024
XCBEX3 Acquisition Corp. Ltd.$2.46M0.12%Not reportedNewQ1 2026
DBCAD. Boral Acquisition I Corp.$2.45M0.12%Not reportedNewQ1 2026
IBITiShares Bitcoin Trust ETF$2.41M0.12%0.00%+219.9%Q1 2024
SMSM Energy Co$2.4M0.12%0.03%+651.7%Q2 2014
BHFBrighthouse Financial, Inc.$2.33M0.11%0.07%+52.9%Q3 2017
BEBloom Energy Corp$2.32M0.11%0.01%-55.4%Q3 2021
MTDRMatador Resources Co$2.22M0.11%0.03%+198.0%Q4 2013
QADRUQDRO Acquisition Corp.$2.22M0.11%Not reportedNewQ1 2026
GTLSChart Industries Inc$2.17M0.10%0.02%+200.0%Q3 2025
Q4 2025Reported Feb 17, 2026580 positions
CORZWCore Scientific, Inc./tx$17.2M0.76%Not reported+99.4%Q2 2024
IAUIshares Gold Trust$16M0.71%0.02%+6.5%Q4 2023
SWZTotal Return Securities Fund$10.3M0.46%Not reported+204.6%Q4 2013
SOFISoFi Technologies, Inc.$9.4M0.42%0.03%Not reportedQ4 2021
STEWSRH Total Return Fund, Inc.$8.56M0.38%Not reported0.0%Q4 2013
DMIIDrugs Made In America Acquisition II Corp.$7.98M0.35%5.88%NewQ4 2025
IRHOUIron Horse Acquisition II Corp.$7.34M0.33%Not reportedNewQ4 2025
TACHTitan Acquisition Corp.$7.26M0.32%Not reportedNot reportedQ2 2025
SPYSPDR S&P 500 ETF Trust$7.26M0.32%Not reported-50.0%Q1 2014
WDCWestern Digital Corp$6.86M0.30%0.01%+2.8%Q2 2016
WENNWEN Acquisition Corp$6.54M0.29%Not reported+18.3%Q3 2025
ITHAUITHAX Acquisition Corp III$5.92M0.26%Not reportedNewQ4 2025
BRRProCap Financial, Inc.$5.47M0.24%1.84%NewQ4 2025
BRWSaba Capital Income & Opportunities Fund$5.18M0.23%Not reported+542.7%Q2 2021
LKSPLake Superior Acquisition Corp$4.74M0.21%2.97%NewQ4 2025
IPCXInflection Point Acquisition Corp. III$4.61M0.20%Not reportedNot reportedQ2 2025
MESHUMeshflow Acquisition Corp$4.47M0.20%Not reportedNewQ4 2025
RSFRiverNorth Capital & Income Fund, Inc.$4.23M0.19%Not reported+23.0%Q2 2023
RKLBRocket Lab Corp$4.12M0.18%0.01%-4.4%Q1 2022
MXEMexico Equity & Income Fund Inc$4.12M0.18%Not reported-7.9%Q4 2013
RAAQReal Asset Acquisition Corp.$3.95M0.18%Not reportedNot reportedQ2 2025
TACOBerto Acquisition Corp.$3.7M0.16%4.86%+2365.1%Q2 2025
GLDSPDR Gold Trust$3.66M0.16%0.00%-18.4%Q4 2013
FGMCBOXABL Inc.$3.54M0.16%Not reportedNot reportedQ2 2022
RDAGRepublic Digital Acquisition Co$3.5M0.16%Not reported-11.0%Q2 2025
LPBBLaunch Two Acquisition Corp.$3.45M0.15%Not reportedNot reportedQ4 2024
LLYVALiberty Live Holdings, Inc.$3.4M0.15%Not reportedNot reportedQ3 2023
BEBloom Energy Corp$3.33M0.15%0.02%+8.8%Q3 2021
DBCInvesco DB Commodity Index Tracking Fund$3.14M0.14%0.24%+5.9%Q3 2022
FIGXFIGX Capital Acquisition Corp.$3.02M0.13%Not reportedNot reportedQ3 2025
PSKYParamount Skydance Corp$3.01M0.13%0.02%+6.7%Q3 2025
CDTXCidara Therapeutics, Inc.$2.98M0.13%0.04%NewQ4 2025
AXONAxon Enterprise, Inc.$2.87M0.13%0.01%+2.4%Q1 2025
SMTCSemtech Corp$2.84M0.13%0.04%+7.5%Q4 2022
CHPGChampionsGate Acquisition Corp$2.78M0.12%Not reportedNot reportedQ3 2025
DAYDayforce, Inc.$2.75M0.12%0.02%NewQ4 2025
GMGeneral Motors Co$2.73M0.12%0.00%+17.6%Q1 2014
FERAFifth Era Acquisition Corp I$2.72M0.12%Not reportedNot reportedQ2 2025
SLViShares Silver Trust$2.71M0.12%0.01%+1.9%Q3 2025
ADACUAmerican Drive Acquisition Co$2.49M0.11%Not reportedNewQ4 2025
DYORInsight Digital Partners II$2.48M0.11%Not reportedNewQ4 2025
CMAComerica Inc$2.42M0.11%0.02%Not reportedQ4 2016
PEOAdams Natural Resources Fund, Inc.$2.16M0.10%Not reported-12.2%Q1 2015
CETCentral Securities Corp$2.16M0.10%Not reportedNot reportedQ4 2013
PACHPioneer Acquisition I Corp$2.13M0.09%Not reportedNot reportedQ3 2025
CVXChevron Corp$2.13M0.09%0.00%-12.5%Q4 2013
LNSRLENSAR, Inc.$2.1M0.09%1.51%-1.4%Q1 2025
GAMGeneral American Investors Co Inc$1.95M0.09%Not reported-3.8%Q3 2016
CEPVCantor Equity Partners V, Inc.$1.89M0.08%Not reportedNewQ4 2025
IVZInvesco Ltd.$1.85M0.08%0.02%-21.6%Q2 2022
Q3 2025Reported Nov 13, 2025519 positions
SPYSPDR S&P 500 ETF Trust$14.2M0.64%Not reportedNot reportedQ1 2014
IAUIshares Gold Trust$13.5M0.60%0.02%+4.8%Q4 2023
CORZWCore Scientific, Inc./tx$11.9M0.53%Not reported-30.2%Q2 2024
BRKRPBruker Corp$10.8M0.48%Not reportedNewQ3 2025
WOLFWolfspeed, Inc.$8.58M0.38%0.19%NewQ3 2025
STEWSRH Total Return Fund, Inc.$8.39M0.38%Not reportedNot reportedQ4 2013
DMIIUDrugs Made In America Acquisition II Corp.$8.13M0.36%Not reportedNewQ3 2025
TACHTitan Acquisition Corp.$7.17M0.32%Not reported+3.7%Q2 2025
BDCIUBTC Development Corp.$7.15M0.32%Not reportedNewQ3 2025
CEPFCantor Equity Partners IV, Inc.$6.62M0.30%Not reportedNewQ3 2025
ETNB89bio, Inc.$6.02M0.27%0.28%Not reportedQ3 2020
WENNWEN Acquisition Corp$5.54M0.25%Not reportedNewQ3 2025
VRNAVerona Pharma plc$4.92M0.22%0.01%NewQ3 2025
WDCWestern Digital Corp$4.65M0.21%0.01%+187.5%Q2 2016
IPCXInflection Point Acquisition Corp. III$4.58M0.21%Not reportedNot reportedQ2 2025
IBITiShares Bitcoin Trust ETF$4.48M0.20%0.01%+20.6%Q1 2024
MXEMexico Equity & Income Fund Inc$4.29M0.19%Not reported-17.8%Q4 2013
ARISAris Mining Corp$4.17M0.19%0.10%NewQ3 2025
GLDSPDR Gold Trust$4.02M0.18%0.00%+36.4%Q4 2013
PSKYParamount Skydance Corp$3.98M0.18%21014.60%NewQ3 2025
RDAGRepublic Digital Acquisition Co$3.97M0.18%Not reported-28.1%Q2 2025
LLYVALiberty Live Holdings, Inc.$3.94M0.18%Not reportedNot reportedQ3 2023
RAAQReal Asset Acquisition Corp.$3.92M0.18%Not reported+1.0%Q2 2025
AXONAxon Enterprise, Inc.$3.54M0.16%0.01%Not reportedQ1 2025
RSFRiverNorth Capital & Income Fund, Inc.$3.53M0.16%Not reported+32.6%Q2 2023
FGMCBOXABL Inc.$3.52M0.16%Not reportedNot reportedQ2 2022
ALEAllete Inc$3.5M0.16%0.09%+84.9%Q2 2024
LPBBLaunch Two Acquisition Corp.$3.43M0.15%Not reported-13.2%Q4 2024
SWZTotal Return Securities Fund$3.31M0.15%Not reported+3.8%Q4 2013
FIGXFIGX Capital Acquisition Corp.$2.99M0.13%Not reportedNewQ3 2025
DBCInvesco DB Commodity Index Tracking Fund$2.99M0.13%0.23%Not reportedQ3 2022
BEBloom Energy Corp$2.98M0.13%0.02%+152.4%Q3 2021
RKLBRocket Lab Corp$2.96M0.13%0.01%-0.3%Q1 2022
CHPGChampionsGate Acquisition Corp$2.75M0.12%Not reportedNewQ3 2025
FERAFifth Era Acquisition Corp I$2.69M0.12%Not reportedNot reportedQ2 2025
SMTCSemtech Corp$2.56M0.11%0.04%+30.7%Q4 2022
CCRNCross Country Healthcare Inc$2.49M0.11%0.54%-14.8%Q2 2023
CVXChevron Corp$2.48M0.11%0.00%Not reportedQ4 2013
IPGInterpublic Group of Companies, Inc.$2.46M0.11%0.02%+66.2%Q3 2022
PEOAdams Natural Resources Fund, Inc.$2.44M0.11%Not reported-5.0%Q1 2015
SPRSpirit AeroSystems Holdings, Inc.$2.32M0.10%0.05%+62.1%Q3 2024
COOPCooperative Bankshares Inc$2.28M0.10%Not reportedNewQ3 2025
LNSRLENSAR, Inc.$2.26M0.10%1.53%Not reportedQ1 2025
CETCentral Securities Corp$2.19M0.10%Not reportedNot reportedQ4 2013
DKSDick'S Sporting Goods, Inc.$2.19M0.10%0.01%Not reportedQ4 2020
SHELShell plc$2.18M0.10%0.00%+28.0%Q1 2022
GAMGeneral American Investors Co Inc$2.15M0.10%Not reported-8.0%Q3 2016
CCIICohen Circle Acquisition Corp. II$2.13M0.10%Not reportedNewQ3 2025
PACHPioneer Acquisition I Corp$2.12M0.09%Not reportedNewQ3 2025
IVZInvesco Ltd.$2.06M0.09%0.02%-13.5%Q2 2022
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