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12th Street Asset Management Company, LLC

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13F filer, CIK 1633703, Nashville, TN

12th Street Asset Management Company, LLC reported $611,363,059 across 32 holdings for the quarter ended 2026-03-31, in a 13F-HR filed 2026-05-12. Its ten largest share positions make up 58.43% of the portfolio.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001633703-26-000007

Period
2026-03-31
Reported value
$611M
Holdings
32
Top 10 weight
58.43%
New
2
Sold out
2

Largest buys vs the previous quarter

SecurityShares changeApprox. value
PNFPnew+402,273$34.7M
KNXadded+305,242$17.6M
GNRCnew+66,910$13.1M
RUSHAadded+85,923$5.68M
SNEXadded+62,724$5.06M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Largest sells vs the previous quarter

SecurityShares changeApprox. value
CIENreduced-116,097-$45.1M
PNFPexited-416,090-$39.7M
AXTAexited-228,528-$7.38M
IIIVreduced-72,288-$1.62M
CLHreduced-5,523-$1.58M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Holdings, Q1 2026

Share positions as resolved from 13F-HR 0001633703-26-000007, largest first. % of portfolio is the value over $611,363,059, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
CLHCLEAN HARBORS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 185,733 shares; 2024Q4: 186,317 shares; 2025Q1: 193,047 shares; 2025Q2: 217,632 shares; 2025Q3: 214,111 shares; 2025Q4: 210,239 shares; 2026Q1: 204,716 shares 204,716$58.7M9.6%-5,523Timeline
LKQLKQ CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 1,138,378 shares; 2024Q4: 953,200 shares; 2025Q1: 957,730 shares; 2025Q2: 912,288 shares; 2025Q3: 1,088,822 shares; 2025Q4: 1,300,831 shares; 2026Q1: 1,384,808 shares 1,384,808$40.7M6.65%+83,977Timeline
KEXKIRBY CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 319,330 shares; 2024Q4: 318,503 shares; 2025Q1: 406,149 shares; 2025Q2: 486,235 shares; 2025Q3: 441,357 shares; 2025Q4: 298,053 shares; 2026Q1: 291,138 shares 291,138$38.7M6.33%-6,915Timeline
BILSPDR SERIES TRUSTQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 430,301 shares; 2024Q4: 259,619 shares; 2025Q1: 817,266 shares; 2025Q2: 497,726 shares; 2025Q3: 594,971 shares; 2025Q4: 411,463 shares; 2026Q1: 409,762 shares 409,762$37.6M6.14%-1,701Timeline
CRHCRH PLCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 365,379 shares; 2024Q4: 363,944 shares; 2025Q1: 356,835 shares; 2025Q2: 340,183 shares; 2025Q3: 334,446 shares; 2025Q4: 325,057 shares; 2026Q1: 332,550 shares 332,550$35M5.72%+7,493Timeline
PNFPPINNACLE FINL PARTNERS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 402,273 shares 402,273$34.7M5.67%newTimeline
SGISOMNIGROUP INTERNATIONAL INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: 371,117 shares; 2025Q1: 465,356 shares; 2025Q2: 444,643 shares; 2025Q3: 436,355 shares; 2025Q4: 424,601 shares; 2026Q1: 408,561 shares 408,561$30.2M4.94%-16,040Timeline
KNXKNIGHT-SWIFT TRANSN HLDGS INQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 292,506 shares; 2024Q4: 292,929 shares; 2025Q1: 290,455 shares; 2025Q2: 277,936 shares; 2025Q3: 189,409 shares; 2025Q4: 184,146 shares; 2026Q1: 489,388 shares 489,388$28.2M4.61%+305,242Timeline
AZOAUTOZONE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 7,948 shares; 2024Q4: 7,936 shares; 2025Q1: 9,430 shares; 2025Q2: 9,027 shares; 2025Q3: 8,872 shares; 2025Q4: 8,626 shares; 2026Q1: 8,301 shares 8,301$28M4.59%-325Timeline
BCBRUNSWICK CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 260,396 shares; 2025Q3: 363,381 shares; 2025Q4: 358,559 shares; 2026Q1: 351,872 shares 351,872$25.6M4.19%-6,687Timeline
CIENCIENA CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 239,257 shares; 2024Q4: 309,133 shares; 2025Q1: 309,555 shares; 2025Q2: 378,108 shares; 2025Q3: 184,952 shares; 2025Q4: 179,584 shares; 2026Q1: 63,487 shares 63,487$24.6M4.03%-116,097Timeline
DYDYCOM INDS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 27,199 shares; 2025Q2: 45,161 shares; 2025Q3: 67,238 shares; 2025Q4: 67,253 shares; 2026Q1: 68,478 shares 68,478$23.2M3.8%+1,225Timeline
HQYHEALTHEQUITY INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 126,917 shares; 2025Q3: 272,068 shares; 2025Q4: 259,134 shares; 2026Q1: 251,361 shares 251,361$21M3.44%-7,773Timeline
RBARB GLOBAL INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 221,161 shares; 2024Q4: 335,465 shares; 2025Q1: 268,352 shares; 2025Q2: 181,362 shares; 2025Q3: 118,123 shares; 2025Q4: 220,127 shares; 2026Q1: 212,254 shares 212,254$20.3M3.33%-7,873Timeline
FHNFIRST HORIZON CORPORATIONQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 739,938 shares; 2026Q1: 698,869 shares 698,869$15.9M2.6%-41,069Timeline
SNEXSTONEX GROUP INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 113,280 shares; 2024Q4: 117,359 shares; 2025Q1: 131,146 shares; 2025Q2: 125,533 shares; 2025Q3: 123,917 shares; 2025Q4: 124,321 shares; 2026Q1: 187,045 shares 187,045$15.1M2.47%+62,724Timeline
MASMASCO CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 273,324 shares; 2024Q4: 271,132 shares; 2025Q1: 263,838 shares; 2025Q2: 249,744 shares; 2025Q3: 244,106 shares; 2025Q4: 236,225 shares; 2026Q1: 224,965 shares 224,965$13.6M2.22%-11,260Timeline
GNRCGENERAC HLDGS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 66,910 shares 66,910$13.1M2.14%newTimeline
RUSHARUSH ENTERPRISES INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 372,079 shares; 2024Q4: 412,558 shares; 2025Q1: 268,835 shares; 2025Q2: 130,841 shares; 2025Q3: 130,068 shares; 2025Q4: 109,403 shares; 2026Q1: 195,326 shares 195,326$12.9M2.11%+85,923Timeline
FBKFB FINL CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 119,415 shares; 2024Q4: 197,300 shares; 2025Q1: 200,254 shares; 2025Q2: 191,681 shares; 2025Q3: 211,398 shares; 2025Q4: 246,271 shares; 2026Q1: 247,040 shares 247,040$12.8M2.1%+769Timeline
DELLDELL TECHNOLOGIES INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 76,242 shares; 2026Q1: 75,110 shares 75,110$12.3M2.02%-1,132Timeline
IIIVI3 VERTICALS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 234,702 shares; 2025Q3: 609,942 shares; 2025Q4: 595,109 shares; 2026Q1: 522,821 shares 522,821$11.7M1.91%-72,288Timeline
PGRPROGRESSIVE CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 130,930 shares; 2024Q4: 121,469 shares; 2025Q1: 97,938 shares; 2025Q2: 64,422 shares; 2025Q3: 63,286 shares; 2025Q4: 52,709 shares; 2026Q1: 50,627 shares 50,627$10M1.64%-2,082Timeline
FANGDIAMONDBACK ENERGY INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 51,198 shares; 2024Q4: 60,195 shares; 2025Q1: 110,810 shares; 2025Q2: 105,868 shares; 2025Q3: 104,116 shares; 2025Q4: 50,361 shares; 2026Q1: 49,307 shares 49,307$9.75M1.6%-1,054Timeline
GVAGRANITE CONSTR INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 62,003 shares; 2025Q4: 62,216 shares; 2026Q1: 62,392 shares 62,392$7.48M1.22%+176Timeline
HROWHARROW INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 91,123 shares; 2026Q1: 168,731 shares 168,731$5.95M0.97%+77,608Timeline
GOLFACUSHNET HLDGS CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 44,757 shares; 2024Q4: 120,883 shares; 2025Q1: 122,677 shares; 2025Q2: 117,408 shares; 2025Q3: 61,664 shares; 2025Q4: 61,918 shares; 2026Q1: 62,146 shares 62,146$5.81M0.95%+228Timeline
ROADCONSTRUCTION PARTNERS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 102,657 shares; 2024Q4: 62,657 shares; 2025Q1: 63,619 shares; 2025Q2: 60,780 shares; 2025Q3: 37,174 shares; 2025Q4: 51,382 shares; 2026Q1: 51,564 shares 51,564$5.73M0.94%+182Timeline
EXPEAGLE MATLS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 40,554 shares; 2024Q4: 42,065 shares; 2025Q1: 42,693 shares; 2025Q2: 27,288 shares; 2025Q3: 26,939 shares; 2025Q4: 26,950 shares; 2026Q1: 27,102 shares 27,102$5.13M0.84%+152Timeline
AMHAMERICAN HOMES 4 RENTQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 384,110 shares; 2024Q4: 372,439 shares; 2025Q1: 105,605 shares; 2025Q2: 96,243 shares; 2025Q3: 158,081 shares; 2025Q4: 143,470 shares; 2026Q1: 138,630 shares 138,630$3.87M0.63%-4,840Timeline
LPXLOUISIANA PAC CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 42,811 shares; 2024Q4: 44,410 shares; 2025Q1: 45,064 shares; 2025Q2: 43,138 shares; 2025Q3: 42,600 shares; 2025Q4: 42,615 shares; 2026Q1: 42,853 shares 42,853$3.12M0.51%+238Timeline
IWVISHARES TRQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: 6,837 shares; 2025Q1: 1,564 shares; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 4,049 shares; 2026Q1: 1,730 shares 1,730$641K0.1%-2,319Timeline

Sold out in Q1 2026

Positions in the previous quarter's report that this quarter's report no longer lists.

SecurityShares beforeValue beforeType
PNFPPINNACLE FINANCIAL PARTNERS416,090$39.7Mshares
AXTAAXALTA COATING SYS LTD228,528$7.38Mshares

How Q1 2026 was built

Available 13F filings of this filer for the quarter and their roles: the base report is the latest original or restatement, NEW HOLDINGS amendments filed after it are added (method).

FilingRoleAmendmentFiledAcceptedIngested
13F-HR 0001633703-26-000007 base2026-05-12acceptance time not in the bulk data set