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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 $701,817,160 across 32 holdings for the quarter ended 2026-06-30, in a 13F-HR filed 2026-08-13. Its ten largest share positions make up 55.3% of the portfolio.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001633703-26-000010

Period
2026-06-30
Reported value
$702M
Holdings
32
Top 10 weight
55.3%
New
4
Sold out
4

Largest buys vs the previous quarter

SecurityShares changeApprox. value
POOLnew+114,637$24.6M
SSNCnew+335,218$20.8M
BILadded+152,724$14M
MRTNnew+758,634$13.2M
SITEnew+75,475$8.64M

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
LKQreduced-657,788-$17.3M
FHNexited-698,869-$15.9M
CLHreduced-38,182-$11.4M
CIENreduced-16,710-$8.2M
SNEXreduced-66,368-$7.86M

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, Q2 2026

Share positions as resolved from 13F-HR 0001633703-26-000010, largest first. % of portfolio is the value over $701,817,160, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
BILSPDR SERIES TRUSTQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 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; 2026Q2: 562,486 shares 562,486$51.5M7.34%+152,724Timeline
CLHCLEAN HARBORS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 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; 2026Q2: 166,534 shares 166,534$49.8M7.09%-38,182Timeline
PNFPPINNACLE FINL PARTNERS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 402,273 shares; 2026Q2: 430,655 shares 430,655$43.4M6.19%+28,382Timeline
KNXKNIGHT-SWIFT TRANSN HLDGS INQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 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; 2026Q2: 548,785 shares 548,785$42.7M6.09%+59,397Timeline
KEXKIRBY CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 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; 2026Q2: 292,564 shares 292,564$39.8M5.67%+1,426Timeline
CRHCRH PLCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 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; 2026Q2: 335,850 shares 335,850$35.9M5.12%+3,300Timeline
SGISOMNIGROUP INTERNATIONAL INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 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; 2026Q2: 412,964 shares 412,964$32.4M4.61%+4,403Timeline
HQYHEALTHEQUITY INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 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; 2026Q2: 345,390 shares 345,390$31.2M4.44%+94,029Timeline
BCBRUNSWICK CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 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; 2026Q2: 366,273 shares 366,273$30.9M4.4%+14,401Timeline
DELLDELL TECHNOLOGIES INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 76,242 shares; 2026Q1: 75,110 shares; 2026Q2: 70,617 shares 70,617$30.5M4.34%-4,493Timeline
DYDYCOM INDS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 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; 2026Q2: 55,105 shares 55,105$27.9M3.97%-13,373Timeline
RBARB GLOBAL INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 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; 2026Q2: 222,228 shares 222,228$25.9M3.69%+9,974Timeline
POOLPOOL CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: not reported; 2026Q2: 114,637 shares 114,637$24.6M3.51%newTimeline
CIENCIENA CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 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; 2026Q2: 46,777 shares 46,777$22.9M3.27%-16,710Timeline
AZOAUTOZONE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 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; 2026Q2: 6,582 shares 6,582$21M3%-1,719Timeline
SSNCSS&C TECH HLDGSQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: not reported; 2026Q2: 335,218 shares 335,218$20.8M2.96%newTimeline
GNRCGENERAC HLDGS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 66,910 shares; 2026Q2: 68,264 shares 68,264$20M2.85%+1,354Timeline
LKQLKQ CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 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; 2026Q2: 727,020 shares 727,020$19.1M2.73%-657,788Timeline
MASMASCO CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 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; 2026Q2: 202,155 shares 202,155$16.4M2.34%-22,810Timeline
SNEXSTONEX GROUP INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 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; 2026Q2: 120,677 shares 120,677$14.3M2.04%-66,368Timeline
MRTNMARTEN TRANS LTDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: not reported; 2026Q2: 758,634 shares 758,634$13.2M1.88%newTimeline
GVAGRANITE CONSTR INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 62,003 shares; 2025Q4: 62,216 shares; 2026Q1: 62,392 shares; 2026Q2: 77,058 shares 77,058$12.2M1.74%+14,666Timeline
PGRPROGRESSIVE CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 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; 2026Q2: 51,116 shares 51,116$11.2M1.59%+489Timeline
RUSHARUSH ENTERPRISES INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 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; 2026Q2: 144,300 shares 144,300$10.5M1.5%-51,026Timeline
FBKFB FINL CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 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; 2026Q2: 172,500 shares 172,500$9.55M1.36%-74,540Timeline
FANGDIAMONDBACK ENERGY INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 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; 2026Q2: 49,700 shares 49,700$8.74M1.24%+393Timeline
SITESITEONE LANDSCAPE SUPPLY INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: not reported; 2026Q2: 75,475 shares 75,475$8.64M1.23%newTimeline
ROADCONSTRUCTION PARTNERS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 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; 2026Q2: 55,366 shares 55,366$6.58M0.94%+3,802Timeline
EXPEAGLE MATLS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 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; 2026Q2: 27,092 shares 27,092$6.1M0.87%-10Timeline
LPXLOUISIANA PAC CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 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; 2026Q2: 68,586 shares 68,586$5.39M0.77%+25,733Timeline
IIIVI3 VERTICALS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 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; 2026Q2: 223,881 shares 223,881$4.78M0.68%-298,940Timeline
HROWHARROW INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 91,123 shares; 2026Q1: 168,731 shares; 2026Q2: 91,409 shares 91,409$3.88M0.55%-77,322Timeline

Sold out in Q2 2026

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

SecurityShares beforeValue beforeType
FHNFIRST HORIZON CORPORATION698,869$15.9Mshares
GOLFACUSHNET HLDGS CORP62,146$5.81Mshares
AMHAMERICAN HOMES 4 RENT138,630$3.87Mshares
IWVISHARES TR1,730$641Kshares

How Q2 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 0001633703-26-000010 base2026-08-13acceptance time not in the bulk data set