12th Street Asset Management Company, LLC

In its 13F for Q1 2026 (holdings as of March 31, 2026, filed May 12, 2026), 12th Street Asset Management Company, LLC reported 32 stock positions worth $611.4 million. Its top holding was Clean Harbors (CLH) at 9.6% of the portfolio, followed by LKQ (LKQ, 6.7%) and Kirby (KEX, 6.3%). Compared with Q4 2025, it opened 2 new positions, sold out of 2, added to 13 and reduced 17. The biggest buy was a new position in Pinnacle Financial Partners (PNFP) and the biggest sale an exit from Pinnacle Financial Partners (PNFP).

Most Recent 13F
Q2 2026
Location
Nashville, TN
CIK
0001633703
Portfolio Value
$611.4M (Q1 2026)
SEC Filing
0001633703-26-000007 ↗ filed May 12, 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 $611.4M Q1 2026 Q2 2026: $701.8M Q2 2026

Holdings 32 stocks · $611.4M

CLH Clean Harbors Inc. 9.60% 204,716 $58.7M Reduce -2.6%
LKQ LKQ Corp. 6.65% 1,384,808 $40.7M Add +6.5%
KEX Kirby Corp. 6.33% 291,138 $38.7M Reduce -2.3%
BIL SS SPDR BB 1-3M T-Bill ETF 6.14% 409,762 $37.6M Reduce -0.4%
CRH CRH PLC 5.72% 332,550 $35.0M Add +2.3%
PNFP Pinnacle Financial Partners 5.67% 402,273 $34.7M New
SGI Somnigroup International Inc. 4.94% 408,561 $30.2M Reduce -3.8%
KNX Knight-Swift Transportation 4.61% 489,388 $28.2M Add +165.8%
AZO AutoZone Inc. 4.59% 8,301 $28.0M Reduce -3.8%
BC Brunswick Corp. 4.19% 351,872 $25.6M Reduce -1.9%
CIEN Ciena Corp. 4.03% 63,487 $24.6M Reduce -64.7%
DY Dycom Industries Inc. 3.80% 68,478 $23.2M Add +1.8%
HQY Healthequity Inc. 3.44% 251,361 $21.0M Reduce -3.0%
RBA RB Global Inc. 3.33% 212,254 $20.3M Reduce -3.6%
FHN First Horizon Corp. 2.60% 698,869 $15.9M Reduce -5.5%
SNEX Stonex Group Inc. 2.47% 187,045 $15.1M Add +50.5%
MAS Masco Corp. 2.22% 224,965 $13.6M Reduce -4.8%
GNRC Generac Holdings Inc. 2.14% 66,910 $13.1M New
RUSHA Rush Enterprises Inc. Class A 2.11% 195,326 $12.9M Add +78.5%
FBK FB Financial Corp. filed as FB FINL CORP 2.10% 247,040 $12.8M Add +0.3%
DELL Dell Technologies -C 2.02% 75,110 $12.3M Reduce -1.5%
IIIV I3 Verticals Inc. Class A 1.91% 522,821 $11.7M Reduce -12.2%
PGR Progressive Corp. 1.64% 50,627 $10.0M Reduce -4.0%
FANG Diamondback Energy Inc. 1.60% 49,307 $9.8M Reduce -2.1%
GVA Granite Construction Inc. 1.22% 62,392 $7.5M Add +0.3%
HROW Harrow Inc. 0.97% 168,731 $5.9M Add +85.2%
GOLF Acushnet Holdings Corp. 0.95% 62,146 $5.8M Add +0.4%
ROAD Construction Partners Inc. Class A 0.94% 51,564 $5.7M Add +0.3%
EXP Eagle Materials Inc. 0.84% 27,102 $5.1M Add +0.6%
AMH American Homes 4 Rent- A 0.63% 138,630 $3.9M Reduce -3.4%
LPX Louisiana-Pacific Corp. 0.51% 42,853 $3.1M Add +0.6%
IWV iShares Russell 3000 ETF 0.10% 1,730 $641K Reduce -57.3%

Portfolio Sells Q4 2025 → Q1 2026

PNFP Pinnacle Financial Partners Sold out 0.00% −6.54
CIEN Ciena Corp. Reduce -64.7% 4.03% −2.89
SGI Somnigroup International Inc. Reduce -3.8% 4.94% −1.31
AXTA Axalta Coating Systems Ltd. Sold out 0.00% −1.22
IIIV I3 Verticals Inc. Class A Reduce -12.2% 1.91% −0.56
HQY Healthequity Inc. Reduce -3.0% 3.44% −0.48
RBA RB Global Inc. Reduce -3.6% 3.33% −0.40
PGR Progressive Corp. Reduce -4.0% 1.64% −0.34
FHN First Horizon Corp. Reduce -5.5% 2.60% −0.31
MAS Masco Corp. Reduce -4.8% 2.22% −0.25
AZO AutoZone Inc. Reduce -3.8% 4.59% −0.23
BC Brunswick Corp. Reduce -1.9% 4.19% −0.20
IWV iShares Russell 3000 ETF Reduce -57.3% 0.10% −0.15
AMH American Homes 4 Rent- A Reduce -3.4% 0.63% −0.13
BIL SS SPDR BB 1-3M T-Bill ETF Reduce -0.4% 6.14% −0.05
FANG Diamondback Energy Inc. Reduce -2.1% 1.60% +0.35
DELL Dell Technologies -C Reduce -1.5% 2.02% +0.43
KEX Kirby Corp. Reduce -2.3% 6.33% +0.92
CLH Clean Harbors Inc. Reduce -2.6% 9.60% +1.48

Portfolio Buys Q4 2025 → Q1 2026

PNFP Pinnacle Financial Partners New 5.67% +5.67
KNX Knight-Swift Transportation Add +165.8% 4.61% +3.02
GNRC Generac Holdings Inc. New 2.14% +2.14
RUSHA Rush Enterprises Inc. Class A Add +78.5% 2.11% +1.14
SNEX Stonex Group Inc. Add +50.5% 2.47% +0.52
HROW Harrow Inc. Add +85.2% 0.97% +0.24
LKQ LKQ Corp. Add +6.5% 6.65% +0.18
GOLF Acushnet Holdings Corp. Add +0.4% 0.95% +0.14
DY Dycom Industries Inc. Add +1.8% 3.80% +0.05
GVA Granite Construction Inc. Add +0.3% 1.22% +0.04
ROAD Construction Partners Inc. Class A Add +0.3% 0.94% +0.02
LPX Louisiana-Pacific Corp. Add +0.6% 0.51% −0.06
EXP Eagle Materials Inc. Add +0.6% 0.84% −0.08
FBK FB Financial Corp. Add +0.3% 2.10% −0.17
CRH CRH PLC Add +2.3% 5.72% −0.97

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