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12th Street Asset Management Company, LLC

13F filer · CIK 0001633703
Reported Aug 13, 2026
Net seller this quarter
13F portfolio value$702MU.S. long equity reported on 13F
Positions314 new · 3 closed
Net flow last quarter-$16.4MBuys minus sells
Top 10 positions weight51.9%Concentration

Holdings

13F · last 4 quarters free
Scroll for earlier quarters
CompanyValue% of portfolio% of companyPOSITION CHANGE qoq %First reported
Q2 2026Reported Aug 13, 202631 positions
CLHClean Harbors Inc$49.8M7.09%0.32%-18.7%Q4 2014
PNFPPinnacle Financial Partners, Inc.$43.4M6.19%0.29%+7.1%Q2 2018
KNXKnight-Swift Transportation Holdings Inc.$42.7M6.09%0.34%+12.1%Q3 2017
KEXKirby Corp$39.8M5.67%0.55%+0.5%Q2 2018
CRHCRH Public Ltd Co$35.9M5.12%0.05%+1.0%Q1 2024
SGISomnigroup International Inc.$32.4M4.61%0.20%+1.1%Q4 2024
HQYHealthequity, Inc.$31.2M4.44%0.41%+37.4%Q2 2025
BCBrunswick Corp$30.9M4.40%0.56%+4.1%Q2 2025
DELLDell Technologies Inc.$30.5M4.34%0.01%-6.0%Q4 2025
DYDycom Industries Inc$27.9M3.97%0.18%-19.5%Q4 2014
RBARB Global Inc.$25.9M3.69%0.12%+4.7%Q2 2023
POOLPool Corp$24.6M3.51%0.32%NewQ2 2026
CIENCiena Corp$22.9M3.27%0.03%-26.3%Q3 2024
AZOAutozone Inc$21M3.00%0.04%-20.7%Q3 2015
SSNCSS&C Technologies Holdings Inc$20.8M2.96%0.14%NewQ2 2026
GNRCGenerac Holdings Inc.$20M2.85%0.12%+2.0%Q3 2019
LKQLKQ Corp$19.1M2.73%0.29%-47.5%Q4 2014
MASMasco Corp$16.4M2.34%0.10%-10.1%Q3 2019
SNEXStoneX Group Inc.$14.3M2.04%0.10%-35.5%Q2 2021
MRTNMarten Transport Ltd$13.2M1.88%0.93%Not reportedQ4 2014
GVAGranite Construction Inc$12.2M1.74%0.18%+23.5%Q3 2025
PGRProgressive Corp$11.2M1.59%0.01%+1.0%Q4 2017
RUSHARush Enterprises Inc \tx\$10.5M1.50%Not reported-26.1%Q4 2018
FBKFB Financial Corp$9.55M1.36%0.35%-30.2%Q3 2021
FANGDiamondback Energy, Inc.$8.74M1.24%0.02%+0.8%Q2 2024
SITESiteOne Landscape Supply, Inc.$8.64M1.23%0.17%NewQ2 2026
ROADConstruction Partners, Inc.$6.58M0.94%0.29%+7.4%Q2 2023
EXPEagle Materials Inc$6.1M0.87%0.09%0.0%Q2 2022
LPXLouisiana-Pacific Corp$5.39M0.77%0.10%+60.1%Q4 2023
IIIVi3 Verticals, Inc.$4.78M0.68%Not reported-57.2%Q2 2025
HROWHarrow, Inc.$3.88M0.55%0.24%-45.8%Q4 2025
Q1 2026Reported May 12, 202630 positions
CLHClean Harbors Inc$58.7M9.60%0.39%-2.6%Q4 2014
LKQLKQ Corp$40.7M6.65%0.54%+6.5%Q4 2014
KEXKirby Corp$38.7M6.33%0.54%-2.3%Q2 2018
CRHCRH Public Ltd Co$35M5.72%0.05%+2.3%Q1 2024
PNFPPinnacle Financial Partners, Inc.$34.7M5.67%0.27%-3.3%Q2 2018
SGISomnigroup International Inc.$30.2M4.94%0.19%-3.8%Q4 2024
KNXKnight-Swift Transportation Holdings Inc.$28.2M4.61%0.30%+165.8%Q3 2017
AZOAutozone Inc$28M4.59%0.05%-3.8%Q3 2015
BCBrunswick Corp$25.6M4.19%0.54%-1.9%Q2 2025
CIENCiena Corp$24.6M4.03%0.04%-64.7%Q3 2024
DYDycom Industries Inc$23.2M3.80%0.23%+1.8%Q4 2014
HQYHealthequity, Inc.$21M3.44%0.30%-3.0%Q2 2025
RBARB Global Inc.$20.3M3.33%0.11%-3.6%Q2 2023
FHNFirst Horizon Corp$15.9M2.60%0.14%-5.6%Q4 2025
SNEXStoneX Group Inc.$15.1M2.47%0.24%+0.3%Q2 2021
MASMasco Corp$13.6M2.22%0.11%-4.8%Q3 2019
GNRCGenerac Holdings Inc.$13.1M2.14%0.11%Not reportedQ3 2019
RUSHARush Enterprises Inc \tx\$12.9M2.11%Not reported+78.5%Q4 2018
FBKFB Financial Corp$12.8M2.10%0.48%+0.3%Q3 2021
DELLDell Technologies Inc.$12.3M2.02%0.01%-1.5%Q4 2025
IIIVi3 Verticals, Inc.$11.7M1.91%Not reported-12.2%Q2 2025
PGRProgressive Corp$10M1.64%0.01%-4.0%Q4 2017
FANGDiamondback Energy, Inc.$9.75M1.60%0.02%-2.1%Q2 2024
GVAGranite Construction Inc$7.48M1.22%0.14%+0.3%Q3 2025
HROWHarrow, Inc.$5.95M0.97%0.45%+85.2%Q4 2025
GOLFAcushnet Holdings Corp.$5.81M0.95%0.11%+0.4%Q4 2023
ROADConstruction Partners, Inc.$5.73M0.94%0.27%+0.4%Q2 2023
EXPEagle Materials Inc$5.13M0.84%0.09%+0.6%Q2 2022
AMHAmerican Homes 4 Rent$3.87M0.63%Not reported-3.4%Q3 2020
LPXLouisiana-Pacific Corp$3.12M0.51%0.06%+0.6%Q4 2023
Q4 2025Reported Feb 9, 202630 positions
CLHClean Harbors Inc$49.3M8.12%0.40%-1.8%Q4 2014
CIENCiena Corp$42M6.92%0.13%-2.9%Q3 2024
CRHCRH Public Ltd Co$40.6M6.68%0.05%-2.8%Q1 2024
PNFPPinnacle Financial Partners, Inc.$39.7M6.54%0.53%+30.4%Q2 2018
LKQLKQ Corp$39.3M6.47%0.51%+19.5%Q4 2014
SGISomnigroup International Inc.$37.9M6.25%0.20%-2.7%Q4 2024
KEXKirby Corp$32.8M5.41%0.55%-32.5%Q2 2018
AZOAutozone Inc$29.3M4.82%0.05%-2.8%Q3 2015
BCBrunswick Corp$26.6M4.39%0.55%-1.3%Q2 2025
HQYHealthequity, Inc.$23.7M3.91%0.30%-4.8%Q2 2025
DYDycom Industries Inc$22.7M3.74%0.23%0.0%Q4 2014
RBARB Global Inc.$22.6M3.73%0.12%+86.4%Q2 2023
FHNFirst Horizon Corp$17.7M2.91%0.15%NewQ4 2025
MASMasco Corp$15M2.47%0.12%-3.2%Q3 2019
IIIVi3 Verticals, Inc.$15M2.47%Not reported-2.4%Q2 2025
FBKFB Financial Corp$13.7M2.26%0.48%+16.5%Q3 2021
PGRProgressive Corp$12M1.98%0.01%-16.7%Q4 2017
SNEXStoneX Group Inc.$11.8M1.95%0.24%+0.3%Q2 2021
KNXKnight-Swift Transportation Holdings Inc.$9.63M1.59%0.11%-2.8%Q3 2017
DELLDell Technologies Inc.$9.6M1.58%0.01%NewQ4 2025
FANGDiamondback Energy, Inc.$7.57M1.25%0.02%-51.6%Q2 2024
AXTAAxalta Coating Systems Ltd.$7.38M1.22%0.11%+0.1%Q3 2019
GVAGranite Construction Inc$7.18M1.18%0.14%+0.3%Q3 2025
RUSHARush Enterprises Inc \tx\$5.9M0.97%Not reported-15.9%Q4 2018
ROADConstruction Partners, Inc.$5.58M0.92%0.27%+38.2%Q2 2023
EXPEagle Materials Inc$5.57M0.92%0.09%0.0%Q2 2022
GOLFAcushnet Holdings Corp.$4.94M0.81%0.11%+0.4%Q4 2023
AMHAmerican Homes 4 Rent$4.61M0.76%Not reported-9.2%Q3 2020
HROWHarrow, Inc.$4.47M0.74%0.24%NewQ4 2025
LPXLouisiana-Pacific Corp$3.44M0.57%0.06%0.0%Q4 2023
Q3 2025Reported Nov 6, 202529 positions
CLHClean Harbors Inc$49.7M8.41%0.40%-1.6%Q4 2014
CRHCRH Public Ltd Co$40.1M6.78%0.05%-1.7%Q1 2024
AZOAutozone Inc$38.1M6.44%0.05%-1.7%Q3 2015
KEXKirby Corp$36.8M6.23%0.79%-9.2%Q2 2018
SGISomnigroup International Inc.$36.8M6.22%0.21%-1.9%Q4 2024
LKQLKQ Corp$33.3M5.62%0.42%+19.4%Q4 2014
PNFPPinnacle Financial Partners, Inc.$29.9M5.06%0.41%-1.8%Q2 2018
CIENCiena Corp$26.9M4.56%0.13%-51.1%Q3 2024
HQYHealthequity, Inc.$25.8M4.36%0.32%+114.4%Q2 2025
BCBrunswick Corp$23M3.89%0.56%+39.6%Q2 2025
IIIVi3 Verticals, Inc.$19.8M3.35%Not reported+159.9%Q2 2025
DYDycom Industries Inc$19.6M3.32%0.23%+48.9%Q4 2014
MASMasco Corp$17.2M2.91%0.12%-2.3%Q3 2019
PGRProgressive Corp$15.6M2.64%0.01%-1.8%Q4 2017
FANGDiamondback Energy, Inc.$14.9M2.52%0.04%-1.7%Q2 2024
AMCRAmcor plc$13.4M2.26%0.07%-42.7%Q2 2025
RBARB Global Inc.$12.8M2.17%0.06%-34.9%Q2 2023
SNEXStoneX Group Inc.$12.5M2.12%0.11%-1.3%Q2 2021
FBKFB Financial Corp$11.8M1.99%0.40%+10.3%Q3 2021
KNXKnight-Swift Transportation Holdings Inc.$7.48M1.27%0.12%-31.9%Q3 2017
RUSHARush Enterprises Inc \tx\$6.95M1.18%Not reported-0.6%Q4 2018
GVAGranite Construction Inc$6.8M1.15%0.14%NewQ3 2025
AXTAAxalta Coating Systems Ltd.$6.54M1.11%0.11%-1.3%Q3 2019
EXPEagle Materials Inc$6.28M1.06%0.08%-1.3%Q2 2022
NOGNorthern Oil & Gas, Inc.$5.97M1.01%0.25%+20.0%Q3 2021
AMHAmerican Homes 4 Rent$5.26M0.89%Not reported+64.3%Q3 2020
GOLFAcushnet Holdings Corp.$4.84M0.82%0.11%-47.5%Q4 2023
ROADConstruction Partners, Inc.$4.72M0.80%0.19%-38.8%Q2 2023
LPXLouisiana-Pacific Corp$3.78M0.64%0.06%-1.3%Q4 2023
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