12th Street Asset Management Company, LLC
Long book
$611.4M
Q1 2026
Positions
32
Top-10 weight
58%
concentration
Last quarter
+12.4%
SPY +14.8%
Turnover
12%
of book per quarter
Strategy in plain words
auto-generated from filings12th Street Asset Management Company, LLC is a concentrated fundamental stock-picker, running a $611.4M US long book across 32 positions.
The portfolio is concentrated: the top 10 names carry 58% of the portfolio. Turnover is modest: positions are typically held for years. Current anchor positions: CLEAN HARBORS INC, LKQ CORP, KIRBY CORP, SS SPDR BB 1-3M T-BILL ETF, CRH PLC.
Over the last 9 quarters its long book ran on average 0.9pp per quarter behind the S&P 500, beating the index in 4 of 9 quarters. We rate its filings highest-signal: new buys here are worth attention.
Implied long-book return vs S&P 500
methodology: positions priced quarterly, no shorts/options Fund long book S&P 500
Q1 2024
-4.4%
Q2 2024
+8.5%
Q3 2024
-0.8%
Q4 2024
-2.7%
Q1 2025
+3.1%
Q2 2025
+6.0%
Q3 2025
+4.5%
Q4 2025
+5.6%
Q1 2026
+12.4%
Sector allocation
Industrials 34%
Financials 16%
Consumer discretionary 14%
Utilities 10%
Technology 9%
Services media 7%
Other 7%
Energy 2%
Long book by quarter
What does 12th Street own?
Q1 2026 13F| Company | Sector | Shares | Value | % of book | Change |
|---|---|---|---|---|---|
| CLH CLEAN HARBORS INC | Utilities | 204.7K | $58.7M | 9.6% | -2.6% |
| LKQ LKQ CORP | Consumer discretionary | 1.4M | $40.7M | 6.7% | +6.5% |
| KEX KIRBY CORP | Industrials | 291.1K | $38.7M | 6.3% | -2.3% |
| CRH CRH PLC | Industrials | 332.6K | $35.0M | 5.7% | +2.3% |
| PNFP PINNACLE FINANCIAL PARTNERS | Financials | 402.3K | $34.7M | 5.7% | New |
| SGI SOMNIGROUP INTERNATIONAL INC | Other | 408.6K | $30.2M | 4.9% | -3.8% |
| KNX KNIGHT-SWIFT TRANSPORTATION | Industrials | 489.4K | $28.2M | 4.6% | +165.8% |
| AZO AUTOZONE INC | Consumer discretionary | 8.3K | $28.0M | 4.6% | -3.8% |
| BC BRUNSWICK CORP | Industrials | 351.9K | $25.6M | 4.2% | -1.9% |
| CIEN CIENA CORP | Technology | 63.5K | $24.6M | 4.0% | -64.6% |
| DY DYCOM INDUSTRIES INC | Industrials | 68.5K | $23.2M | 3.8% | +1.8% |
| HQY HEALTHEQUITY INC | Services media | 251.4K | $21.0M | 3.4% | -3.0% |
| RBA RB GLOBAL INC | Services media | 212.3K | $20.3M | 3.3% | -3.6% |
| FHN FIRST HORIZON CORP | Financials | 698.9K | $15.9M | 2.6% | -5.6% |
| SNEX STONEX GROUP INC | Financials | 187.0K | $15.1M | 2.5% | +50.5% |
| MAS MASCO CORP | Industrials | 225.0K | $13.6M | 2.2% | -4.8% |
| GNRC GENERAC HOLDINGS INC | Industrials | 66.9K | $13.1M | 2.1% | New |
| RUSHA RUSH ENTERPRISES INC-CL A | Consumer discretionary | 195.3K | $12.9M | 2.1% | +78.5% |
| FBK FB FINANCIAL CORP | Financials | 247.0K | $12.8M | 2.1% | +0.3% |
| DELL DELL TECHNOLOGIES -C | Technology | 75.1K | $12.3M | 2.0% | -1.5% |
| IIIV I3 VERTICALS INC-CLASS A | Technology | 522.8K | $11.7M | 1.9% | -12.1% |
| PGR PROGRESSIVE CORP | Financials | 50.6K | $10.0M | 1.6% | -3.9% |
| FANG DIAMONDBACK ENERGY INC | Energy | 49.3K | $9.8M | 1.6% | -2.1% |
| GVA GRANITE CONSTRUCTION INC | Industrials | 62.4K | $7.5M | 1.2% | +0.3% |
| HROW HARROW INC | Healthcare | 168.7K | $5.9M | 1.0% | +85.2% |
| GOLF ACUSHNET HOLDINGS CORP | Other | 62.1K | $5.8M | 1.0% | +0.4% |
| ROAD CONSTRUCTION PARTNERS INC-A | Industrials | 51.6K | $5.7M | 0.9% | +0.4% |
| EXP EAGLE MATERIALS INC | Industrials | 27.1K | $5.1M | 0.8% | +0.6% |
| LPX LOUISIANA-PACIFIC CORP | Other | 42.9K | $3.1M | 0.5% | +0.6% |
13F filing history
| Period | Form | Filed | Entries | Reported value | Flags | Source |
|---|---|---|---|---|---|---|
| Q1 2026 | 13F-HR | May 12, 2026 | 32 | $611.4M | canonical | SEC ↗ |
| Q4 2025 | 13F-HR | Feb 9, 2026 | 32 | $606.8M | canonical | SEC ↗ |
| Q3 2025 | 13F-HR | Nov 6, 2025 | 30 | $591.2M | canonical | SEC ↗ |
| Q2 2025 | 13F-HR | Aug 11, 2025 | 30 | $581.7M | canonical | SEC ↗ |
| Q1 2025 | 13F-HR | May 8, 2025 | 29 | $586.8M | canonical | SEC ↗ |
| Q4 2024 | 13F-HR | Feb 10, 2025 | 31 | $606.6M | canonical | SEC ↗ |
| Q3 2024 | 13F-HR | Nov 12, 2024 | 30 | $593.0M | canonical | SEC ↗ |
| Q2 2024 | 13F-HR | Aug 9, 2024 | 30 | $548.0M | canonical | SEC ↗ |
| Q1 2024 | 13F-HR | May 10, 2024 | 29 | $576.5M | canonical | SEC ↗ |
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