CIK: 0001633703
Total reported value
$611.4M
Reporting period: 2026-03-31 · Number of holdings: 32
12th Street Asset Management Company, LLC disclosed 32 holdings in its latest 13F filing for the period ending 2026-03-31, with total reported value of $611.4M and a quarterly turnover rate of 32.5%.
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12th Street Asset Management Company, LLC's disclosed holdings carry a Herfindahl concentration index of 0.047 — mathematically equivalent to about 21 equally-sized positions, close to its 32 actual disclosed holdings. Value is spread relatively evenly across the portfolio rather than concentrated in a handful of names.
Position sizes are fairly uniform across the portfolio (a coefficient of variation of 0.71), suggesting a disciplined, rules-based approach to how much capital goes into each idea.
No strong tilt toward either adding to existing winners or initiating outsized new positions was observed in the latest reported quarter.
Add KNX
+165.8% $18.6M
Trim CIEN
-64.6% -$17.4M
Add CLH
-2.6% $9.4M
Trim SGI
-3.8% -$7.7M
Add RUSHA
+78.5% $7.0M
Trim CRH
+2.3% -$5.6M
| # | Ticker | Issuer | Asset Subclass | Weight | Weight Change | Shares Change | 4Q Trend |
|---|---|---|---|---|---|---|---|
| 1 | CLH | Clean Harbors INC | Stock-Industrials | 9.60% | +1.48% | -2.63% | |
| 2 | LKQ | Lkq CORP | Stock-Consumer Disc | 6.65% | +0.18% | +6.46% | |
| 3 | KEX | Kirby CORP | Stock-Industrials | 6.33% | +0.92% | -2.32% | |
| 4 | BIL | Ss Spdr Bb 1-3m T-bill ETF | ETF-Gov Bonds | 6.14% | -0.06% | -0.41% | |
| 5 | CRH | CRH plc | Stock-Materials | 5.72% | -0.96% | +2.31% | |
| 6 | PNFP | Pinnacle Financial Partners | Stock-Financials | 5.67% | +5.67% | NEW | |
| 7 | SGI | Somnigroup International INC | Stock-Consumer Disc | 4.94% | -1.31% | -3.78% | |
| 8 | KNX | Knight-swift Transportation | Stock-Industrials | 4.61% | +3.02% | +165.76% | |
| 9 | AZO | Autozone INC | Stock-Consumer Disc | 4.59% | -0.23% | -3.77% | |
| 10 | BC | Brunswick CORP | Stock-Consumer Disc | 4.19% | -0.20% | -1.86% | |
| 11 | CIEN | Ciena CORP | Stock-Tech | 4.03% | -2.89% | -64.65% | |
| 12 | DY | Dycom Industries INC | Stock-Industrials | 3.80% | +0.06% | +1.82% | |
| 13 | HQY | Healthequity INC | Stock-Healthcare | 3.44% | -0.47% | -3.00% | |
| 14 | RBA | Rb Global INC | Stock-Industrials | 3.33% | -0.40% | -3.58% | |
| 15 | FHN | First Horizon CORP | Stock-Financials | 2.60% | -0.31% | -5.55% | |
| 16 | SNEX | Stonex Group INC | Stock-Financials | 2.47% | +0.52% | +50.45% | |
| 17 | MAS | Masco CORP | Stock-Industrials | 2.22% | -0.25% | -4.77% | |
| 18 | GNRC | Generac Holdings INC | Stock-Industrials | 2.14% | +2.14% | NEW | |
| 19 | RUSHA | Rush Enterprises Inc-cl A | Stock-Consumer Disc | 2.11% | +1.14% | +78.54% | |
| 20 | FBK | Fb Financial CORP | Stock-Other | 2.10% | -0.16% | +0.31% | |
| 21 | DELL | Dell Technologies -c | Stock-Tech | 2.02% | +0.44% | -1.48% | |
| 22 | IIIV | I3 Verticals Inc-class A | Stock-Other | 1.91% | -0.56% | -12.15% | |
| 23 | PGR | Progressive CORP | Stock-Financials | 1.64% | -0.34% | -3.95% | |
| 24 | FANG | Diamondback Energy INC | Stock-Energy | 1.60% | +0.35% | -2.09% | |
| 25 | GVA | Granite Construction INC | Stock-Industrials | 1.22% | +0.04% | +0.28% | |
| 26 | HROW | Harrow INC | Stock-Other | 0.97% | +0.23% | +85.17% | |
| 27 | GOLF | Acushnet Holdings CORP | Stock-Other | 0.95% | +0.14% | +0.37% | |
| 28 | ROAD | Construction Partners Inc-a | Stock-Industrials | 0.94% | +0.02% | +0.35% | |
| 29 | EXP | Eagle Materials INC | Stock-Materials | 0.84% | -0.08% | +0.56% | |
| 30 | AMH | American Homes 4 Rent- A | Stock-Real Estate | 0.63% | -0.13% | -3.37% | |
| 31 | LPX | Louisiana-pacific CORP | Stock-Industrials | 0.51% | -0.06% | +0.56% | |
| 32 | IWV | Ishares Russell 3000 ETF | ETF-Other | 0.10% | -0.16% | -57.27% |
Performance for Q3 2026
-3.7%
Performance Last 4 Quarters
+32.7%
Based on 76% of reported portfolio value with available pricing
| Period | Holdings | Total value | Stability | Top holdings |
|---|---|---|---|---|
| 2026-03-31 | 32 | $611.4M | 33 | |
| 2025-12-31 | 32 | $606.8M | 27 | |
| 2025-09-30 | 30 | $591.2M | 50 | |
| 2025-06-30 | 30 | $581.7M | 0 | |
| 2025-03-31 | 29 | $586.8M | 100 | |
| 2024-12-31 | 31 | $606.6M | 0 | |
| 2024-09-30 | 30 | $593.0M | 0 | |
| 2024-06-30 | 30 | $548.0M | 0 | |
| 2024-03-31 | 29 | $576.5M | 0 | |
| 2023-12-31 | 32 | $531.6M | 0 | |
| 2023-09-30 | 33 | $487.7M | 0 | |
| 2023-06-30 | 33 | $495.9M | 0 | |
| 2023-03-31 | 30 | $478.0M | 0 | |
| 2022-12-31 | 28 | $457.5M | 0 | |
| 2022-09-30 | 28 | $357.6M | 0 | |
| 2022-06-30 | 28 | $396.6M | 0 | |
| 2022-03-31 | 28 | $437.2M | 0 | |
| 2021-12-31 | 32 | $477.7M | 0 | |
| 2021-09-30 | 30 | $453.0M | 0 | |
| 2021-06-30 | 31 | $481.4M | 100 | |
| 2021-03-31 | 30 | $477.2M | 21 | |
| 2020-12-31 | 30 | $464.7M | 26 | |
| 2020-09-30 | 29 | $401.7M | 20 | |
| 2020-06-30 | 28 | $361.1M | 34 | |
| 2020-03-31 | 25 | $264.2M | 59 | |
| 2019-12-31 | 26 | $405.5M | 25 | |
| 2019-09-30 | 28 | $378.1M | 40 | |
| 2019-06-30 | 45 | $366.4M | 25 | |
| 2019-03-31 | 44 | $377.4M | 35 | |
| 2018-12-31 | 50 | $304.1M | 63 | |
| 2018-09-30 | 41 | $420.6M | 37 | |
| 2018-06-30 | 45 | $414.1M | 64 | |
| 2018-03-31 | 42 | $424.4M | 26 | |
| 2017-12-31 | 35 | $398.6M | 32 | |
| 2017-09-30 | 20 | $386.3M | 25 | |
| 2017-06-30 | 20 | $388.7M | 22 | |
| 2017-03-31 | 36 | $345.0M | 17 | |
| 2016-12-31 | 36 | $330.5M | 31 | |
| 2016-09-30 | 34 | $263.6M | 25 | |
| 2016-06-30 | 32 | $252.4M | 33 | |
| 2016-03-31 | 28 | $206.2M | 54 | |
| 2015-12-31 | 15 | $158.6M | 57 | |
| 2015-09-30 | 15 | $272.7M | 21 | |
| 2015-06-30 | 15 | $310.1M | 16 | |
| 2015-03-31 | 15 | $272.5M | 29 | |
| 2014-12-31 | 16 | $231.4M | — |
12th Street Asset Management Company, LLC's most significant position changes for 2026-03-31: Sold out: Pinnacle Financial Partners, Inc. (PNW); New buy: Pinnacle Financial Partners (PNFP); New buy: Generac Holdings INC (GNRC); Sold out: Axalta Coating Systems Ltd. (AXTA); Add: Knight-swift Transportation (KNX) — shares +165.76%.
| # | Ticker | Issuer | Weight Change | Shares Change | Action |
|---|---|---|---|---|---|
| 1 | KNX | Knight-swift Transportation | +3% | +165.76% | Add |
| 2 | CLH | Clean Harbors INC | +1.5% | -2.63% | Trim |
| 3 | RUSHA | Rush Enterprises Inc-cl A | +1.1% | +78.54% | Add |
| 4 | KEX | Kirby CORP | +0.9% | -2.32% | Trim |
| 5 | SNEX | Stonex Group INC | +0.5% | +50.45% | Add |
| 6 | DELL | Dell Technologies -c | +0.4% | -1.48% | Trim |
| 7 | FANG | Diamondback Energy INC | +0.4% | -2.09% | Trim |
| 8 | HROW | Harrow INC | +0.2% | +85.17% | Add |
| 9 | LKQ | Lkq CORP | +0.2% | +6.46% | Add |
| 10 | GOLF | Acushnet Holdings CORP | +0.1% | +0.37% | Add |
| 11 | DY | Dycom Industries INC | +0.1% | +1.82% | Add |
| 12 | GVA | Granite Construction INC | 0% | +0.28% | Add |
| 13 | ROAD | Construction Partners Inc-a | 0% | +0.35% | Add |
| 14 | LPX | Louisiana-pacific CORP | -0.1% | +0.56% | Add |
| 15 | BIL | Ss Spdr Bb 1-3m T-bill ETF | -0.1% | -0.41% | Trim |
| 16 | EXP | Eagle Materials INC | -0.1% | +0.56% | Add |
| 17 | AMH | American Homes 4 Rent- A | -0.1% | -3.37% | Trim |
| 18 | IWV | Ishares Russell 3000 ETF | -0.2% | -57.27% | Trim |
| 19 | FBK | Fb Financial CORP | -0.2% | +0.31% | Add |
| 20 | BC | Brunswick CORP | -0.2% | -1.86% | Trim |
| 21 | AZO | Autozone INC | -0.2% | -3.77% | Trim |
| 22 | MAS | Masco CORP | -0.3% | -4.77% | Trim |
| 23 | FHN | First Horizon CORP | -0.3% | -5.55% | Trim |
| 24 | PGR | Progressive CORP | -0.3% | -3.95% | Trim |
| 25 | RBA | Rb Global INC | -0.4% | -3.58% | Trim |
| 26 | HQY | Healthequity INC | -0.5% | -3.00% | Trim |
| 27 | IIIV | I3 Verticals Inc-class A | -0.6% | -12.15% | Trim |
| 28 | CRH | CRH plc | -1% | +2.31% | Add |
| 29 | SGI | Somnigroup International INC | -1.3% | -3.78% | Trim |
| 30 | CIEN | Ciena CORP | -2.9% | -64.65% | Trim |
| 31 | PNW | Pinnacle Financial Partners, Inc. | — | EXIT | Sold out |
| 32 | PNFP | Pinnacle Financial Partners | — | NEW | New buy |
| 33 | GNRC | Generac Holdings INC | — | NEW | New buy |
| 34 | AXTA | Axalta Coating Systems Ltd. | — | EXIT | Sold out |
| Period | Filed | Type | EDGAR |
|---|---|---|---|
| 2026-03-31 | 2026-05-12 | 13F-HR | View on EDGAR |
| 2025-12-31 | 2026-02-09 | 13F-HR | View on EDGAR |
| 2025-09-30 | 2025-11-06 | 13F-HR | View on EDGAR |
| 2025-06-30 | 2025-08-11 | 13F-HR | View on EDGAR |
| 2025-03-31 | 2025-05-08 | 13F-HR | View on EDGAR |
| 2024-12-31 | 2025-02-10 | 13F-HR | View on EDGAR |
| 2024-09-30 | 2024-11-12 | 13F-HR | View on EDGAR |
| 2024-06-30 | 2024-08-09 | 13F-HR | View on EDGAR |
| 2024-03-31 | 2024-05-10 | 13F-HR | View on EDGAR |
| 2023-12-31 | 2024-02-09 | 13F-HR | View on EDGAR |
| 2023-09-30 | 2023-11-08 | 13F-HR | View on EDGAR |
| 2023-06-30 | 2023-08-10 | 13F-HR | View on EDGAR |
| 2023-03-31 | 2023-05-15 | 13F-HR | View on EDGAR |
| 2022-12-31 | 2023-02-13 | 13F-HR | View on EDGAR |
| 2022-09-30 | 2022-11-14 | 13F-HR | View on EDGAR |
| 2022-06-30 | 2022-08-10 | 13F-HR | View on EDGAR |
| 2022-03-31 | 2022-05-16 | 13F-HR | View on EDGAR |
| 2021-12-31 | 2022-02-11 | 13F-HR | View on EDGAR |
| 2021-09-30 | 2021-11-10 | 13F-HR | View on EDGAR |
| 2021-06-30 | 2021-08-12 | 13F-HR | View on EDGAR |
| 2021-03-31 | 2021-05-12 | 13F-HR | View on EDGAR |
| 2020-12-31 | 2021-02-11 | 13F-HR | View on EDGAR |
| 2020-09-30 | 2020-11-13 | 13F-HR | View on EDGAR |
| 2020-06-30 | 2020-08-12 | 13F-HR | View on EDGAR |
| 2020-03-31 | 2020-05-15 | 13F-HR | View on EDGAR |
| 2019-12-31 | 2020-02-12 | 13F-HR | View on EDGAR |
| 2019-09-30 | 2019-11-12 | 13F-HR | View on EDGAR |
| 2019-06-30 | 2019-08-14 | 13F-HR | View on EDGAR |
| 2019-03-31 | 2019-05-15 | 13F-HR | View on EDGAR |
| 2018-12-31 | 2019-02-13 | 13F-HR | View on EDGAR |
| 2018-09-30 | 2018-11-06 | 13F-HR | View on EDGAR |
| 2018-06-30 | 2018-08-14 | 13F-HR | View on EDGAR |
| 2018-03-31 | 2018-05-07 | 13F-HR | View on EDGAR |
| 2017-12-31 | 2018-02-13 | 13F-HR | View on EDGAR |
| 2017-09-30 | 2017-11-13 | 13F-HR | View on EDGAR |
| 2017-06-30 | 2017-08-14 | 13F-HR | View on EDGAR |
| 2017-03-31 | 2017-05-05 | 13F-HR | View on EDGAR |
| 2016-12-31 | 2017-02-14 | 13F-HR | View on EDGAR |
| 2016-09-30 | 2016-11-09 | 13F-HR | View on EDGAR |
| 2016-06-30 | 2016-08-11 | 13F-HR | View on EDGAR |
| 2016-03-31 | 2016-05-16 | 13F-HR | View on EDGAR |
| 2015-12-31 | 2016-02-10 | 13F-HR | View on EDGAR |
| 2015-09-30 | 2015-11-12 | 13F-HR | View on EDGAR |
| 2015-06-30 | 2015-08-11 | 13F-HR | View on EDGAR |
| 2015-03-31 | 2015-05-06 | 13F-HR | View on EDGAR |
| 2014-12-31 | 2015-02-17 | 13F-HR | View on EDGAR |
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