12th Street Asset Management Company, LLC

In its 13F for Q2 2026 (holdings as of June 30, 2026, filed August 13, 2026), 12th Street Asset Management Company, LLC reported 32 stock positions worth $701.8 million. Its top holding was SS SPDR BB 1-3M T-Bill ETF (BIL) at 7.3% of the portfolio, followed by Clean Harbors (CLH, 7.1%) and Pinnacle Financial Partners (PNFP, 6.2%). Compared with Q1 2026, it opened 4 new positions, sold out of 4, added to 15 and reduced 13. The biggest buy was a new position in Pool (POOL) and the biggest sale LKQ (LKQ, shares −48%).

Most Recent 13F
Q2 2026
Location
Nashville, TN
CIK
0001633703
Portfolio Value
$701.8M (Q2 2026)
SEC Filing
0001633703-26-000010 ↗ filed Aug 13, 2026

Holdings Value

0$200.0M$400.0M$600.0M$800.0M Q1 2024: $576.5M Q1 2024 Q2 2024: $548.0M Q2 2024 Q3 2024: $593.0M Q3 2024 Q4 2024: $606.6M Q4 2024 Q1 2025: $586.8M Q1 2025 Q2 2025: $581.7M Q2 2025 Q3 2025: $591.2M Q3 2025 Q4 2025: $606.8M Q4 2025 Q1 2026: $611.4M Q1 2026 Q2 2026: $701.8M $701.8M Q2 2026

Holdings 32 stocks · $701.8M

BIL SS SPDR BB 1-3M T-Bill ETF 7.34% 562,486 $51.5M Add +37.3%
CLH Clean Harbors Inc. 7.09% 166,534 $49.8M Reduce -18.6%
PNFP Pinnacle Financial Partners 6.19% 430,655 $43.4M Add +7.1%
KNX Knight-Swift Transportation 6.09% 548,785 $42.7M Add +12.1%
KEX Kirby Corp. 5.67% 292,564 $39.8M Add +0.5%
CRH CRH PLC 5.12% 335,850 $35.9M Add +1.0%
SGI Somnigroup International Inc. 4.61% 412,964 $32.4M Add +1.1%
HQY Healthequity Inc. 4.45% 345,390 $31.2M Add +37.4%
BC Brunswick Corp. 4.40% 366,273 $30.9M Add +4.1%
DELL Dell Technologies -C 4.34% 70,617 $30.5M Reduce -6.0%
DY Dycom Industries Inc. 3.97% 55,105 $27.9M Reduce -19.5%
RBA RB Global Inc. 3.69% 222,228 $25.9M Add +4.7%
POOL Pool Corp. 3.51% 114,637 $24.6M New
CIEN Ciena Corp. 3.27% 46,777 $22.9M Reduce -26.3%
AZO AutoZone Inc. 3.00% 6,582 $21.0M Reduce -20.7%
SSNC Ss&c Technologies Holdings 2.96% 335,218 $20.8M New
GNRC Generac Holdings Inc. 2.85% 68,264 $20.0M Add +2.0%
LKQ LKQ Corp. 2.73% 727,020 $19.1M Reduce -47.5%
MAS Masco Corp. 2.34% 202,155 $16.4M Reduce -10.1%
SNEX Stonex Group Inc. 2.04% 120,677 $14.3M Reduce -35.5%
MRTN Marten Transport Ltd. 1.88% 758,634 $13.2M New
GVA Granite Construction Inc. 1.74% 77,058 $12.2M Add +23.5%
PGR Progressive Corp. 1.59% 51,116 $11.2M Add +1.0%
RUSHA Rush Enterprises Inc. Class A 1.50% 144,300 $10.5M Reduce -26.1%
FBK FB Financial Corp. filed as FB FINL CORP 1.36% 172,500 $9.5M Reduce -30.2%
FANG Diamondback Energy Inc. 1.24% 49,700 $8.7M Add +0.8%
SITE Siteone Landscape Supply Inc. 1.23% 75,475 $8.6M New
ROAD Construction Partners Inc. Class A 0.94% 55,366 $6.6M Add +7.4%
EXP Eagle Materials Inc. 0.87% 27,092 $6.1M Reduce -0.0%
LPX Louisiana-Pacific Corp. 0.77% 68,586 $5.4M Add +60.0%
IIIV I3 Verticals Inc. Class A 0.68% 223,881 $4.8M Reduce -57.2%
HROW Harrow Inc. 0.55% 91,409 $3.9M Reduce -45.8%

Portfolio Sells Q1 2026 → Q2 2026

LKQ LKQ Corp. Reduce -47.5% 2.73% −3.93
FHN First Horizon Corp. Sold out 0.00% −2.60
CLH Clean Harbors Inc. Reduce -18.6% 7.09% −2.51
AZO AutoZone Inc. Reduce -20.7% 3.00% −1.59
IIIV I3 Verticals Inc. Class A Reduce -57.2% 0.68% −1.23
GOLF Acushnet Holdings Corp. Sold out 0.00% −0.95
CIEN Ciena Corp. Reduce -26.3% 3.27% −0.76
FBK FB Financial Corp. Reduce -30.2% 1.36% −0.74
AMH American Homes 4 Rent- A Sold out 0.00% −0.63
RUSHA Rush Enterprises Inc. Class A Reduce -26.1% 1.50% −0.61
SNEX Stonex Group Inc. Reduce -35.5% 2.04% −0.43
HROW Harrow Inc. Reduce -45.8% 0.55% −0.42
IWV iShares Russell 3000 ETF Sold out 0.00% −0.10
EXP Eagle Materials Inc. Reduce -0.0% 0.87% +0.03
MAS Masco Corp. Reduce -10.1% 2.34% +0.12
DY Dycom Industries Inc. Reduce -19.5% 3.97% +0.17
DELL Dell Technologies -C Reduce -6.0% 4.34% +2.32

Portfolio Buys Q1 2026 → Q2 2026

POOL Pool Corp. New 3.51% +3.51
SSNC Ss&c Technologies Holdings New 2.96% +2.96
MRTN Marten Transport Ltd. New 1.88% +1.88
KNX Knight-Swift Transportation Add +12.1% 6.09% +1.48
SITE Siteone Landscape Supply Inc. New 1.23% +1.23
BIL SS SPDR BB 1-3M T-Bill ETF Add +37.3% 7.34% +1.20
HQY Healthequity Inc. Add +37.4% 4.45% +1.01
GNRC Generac Holdings Inc. Add +2.0% 2.85% +0.71
PNFP Pinnacle Financial Partners Add +7.1% 6.19% +0.52
GVA Granite Construction Inc. Add +23.5% 1.74% +0.51
RBA RB Global Inc. Add +4.7% 3.69% +0.36
LPX Louisiana-Pacific Corp. Add +60.0% 0.77% +0.26
BC Brunswick Corp. Add +4.1% 4.40% +0.21
ROAD Construction Partners Inc. Class A Add +7.4% 0.94% −0.00
PGR Progressive Corp. Add +1.0% 1.59% −0.05
SGI Somnigroup International Inc. Add +1.1% 4.61% −0.33
FANG Diamondback Energy Inc. Add +0.8% 1.24% −0.35
CRH CRH PLC Add +1.0% 5.12% −0.60
KEX Kirby Corp. Add +0.5% 5.67% −0.66

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q2 2026 32$701.8MBIL, CLH, PNFP, KNX, KEX
Q1 2026 32$611.4MCLH, LKQ, KEX, BIL, CRH
Q4 2025 32$606.8MCLH, CIEN, CRH, PNFP, LKQ
Q3 2025 30$591.2MBIL, CLH, CRH, AZO, KEX
Q2 2025 30$581.7MKEX, CLH, BIL, PNFP, LKQ
Q1 2025 29$586.8MBIL, KEX, LKQ, CLH, PNFP
Q4 2024 31$606.6MCLH, LKQ, PNFP, KEX, CRH
Q3 2024 30$593.0MLKQ, CLH, GPK, BIL, KEX
Q2 2024 30$548.0MCLH, BIL, GPK, KEX, LKQ
Q1 2024 29$576.5MCLH, GPK, BERY, LKQ, BIL