12th Street Asset Management Company, LLC

CIK 1633703 · View on SEC EDGAR ↗

Portfolio value
$701.8M
#3,076 of 9,443 by 13F value · top 32.6%
Positions
32
As of
June 30, 2026

Portfolio value QoQ: +14.8% 13F does not disclose cash

Top 10 holdings weight
55.30%
Top 25 holdings weight
93.72%
Positions above 1%
27
Effective number of positions
23.2

Based on 13F long-equity holdings only (cash, bonds, shorts not disclosed)

Turnover Q2 2026: 15.93% Est. buys $105,843,288 · sells $104,586,915

Median holding: 5.5 quarters Tracked Q4 2024–Q2 2026 · 69.6% still held

New positions
4
Increased
15
Decreased
13
Closed
4
On this page

Performance vs S&P 500

Tracked Q2 2025–Q2 2026
+34.6%
S&P 500 total return (same window)
+21.7%
Excess return
+12.9%

Annualized: +34.6% · S&P 500: +21.7%

Approximates a buy-and-hold portfolio built from quarterly SEC 13F snapshots. Excludes cash, short positions, options/derivatives, and non-13(f) securities — reflects the disclosed long-equity book only, not total fund AUM. SEC filing lag is up to 45 days; this is not a real-time-copyable timing.

Priceable coverage: 92.4% · Options excluded: 0.0%

Sector breakdown

Industrials
47.9%
Consumer Discretionary
10.6%
Financials
9.1%
Health Care
5.0%
Technology
5.0%
Consumer products
4.6%
Communications
3.3%
Retail
3.0%
Financial Services
2.0%
Energy
1.2%
Paper & Forest
0.8%
Other/Unmapped
7.3%

Full portfolio 32 positions

Type Streak 8Q trend
BIL $51,546,216 7.34% 562,486 $13,995,627 Up ×1
CLH Clean Harbors, Inc. Common Stock $49,752,025 7.09% 166,534 $-8,946,186 Down ×4
PNFP Pinnacle Financial Partners, Inc. - Common Stock $43,444,467 6.19% 430,655 $8,792,700 Up ×1
KNX Knight-Swift Transportation Holdings Inc. $42,733,895 6.09% 548,785 $14,554,910 Up ×2
KEX Kirby Corporation Common Stock $39,779,959 5.67% 292,564 $1,093,511 Up ×1
CRH CRH PLC Ordinary Shares $35,935,957 5.12% 335,850 $978,331 Up ×2
SGI Somnigroup International Inc. Common Stock $32,376,389 4.61% 412,964 $2,175,595 Up ×1
HQY HealthEquity, Inc. - Common Stock $31,195,617 4.44% 345,390 $10,189,386 Up ×1
BC Brunswick Corporation Common Stock $30,854,821 4.40% 366,273 $5,252,602 Up ×1
DELL Dell Technologies Inc. Class C Common Stock $30,468,227 4.34% 70,617 $18,140,375 Down ×2
DY Dycom Industries, Inc. Common Stock $27,860,537 3.97% 55,105 $4,658,821 Down ×1
RBA RB Global, Inc. Common Stock $25,878,429 3.69% 222,228 $5,533,839 Up ×1
POOL Pool Corporation - Common Stock $24,635,595 3.51% 114,637 Up ×1
CIEN Ciena Corporation Common Stock $22,946,946 3.27% 46,777 $-1,700,628 Down ×4
AZO AutoZone, Inc. Common Stock $21,035,946 3.00% 6,582 $-7,003,290 Down ×5
SSNC SS&C Technologies Holdings, Inc. - Common Stock $20,800,263 2.96% 335,218 Up ×1
GNRC Generac Holdlings Inc. Common Stock $19,988,382 2.85% 68,264 $6,918,851 Up ×1
LKQ LKQ Corporation - Common Stock $19,142,434 2.73% 727,020 $-21,529,383 Down ×1
MAS Masco Corporation Common Stock $16,449,331 2.34% 202,155 $2,868,197 Down ×6
SNEX StoneX Group Inc. - Common Stock $14,300,225 2.04% 120,677 $-784,914 Down ×1
MRTN Marten Transport, Ltd. - Common Stock $13,162,300 1.88% 758,634 Up ×1
GVA Granite Construction Incorporated Common Stock $12,181,329 1.74% 77,058 $4,701,776 Up ×3
PGR Progressive Corporation (The) Common Stock $11,166,252 1.59% 51,116 $1,129,995 Up ×1
RUSHA Rush Enterprises, Inc. - Class A Common Stock $10,531,736 1.50% 144,300 $-2,381,266 Down ×1
FBK FB Financial Corporation Common Stock $9,547,875 1.36% 172,500 $-3,283,383 Down ×1
FANG Diamondback Energy, Inc. - Common Stock $8,736,179 1.24% 49,700 $-1,016,317 Up ×1
SITE SiteOne Landscape Supply, Inc. Common Stock $8,635,095 1.23% 75,475 Up ×1
ROAD Construction Partners, Inc. - Common Stock $6,575,820 0.94% 55,366 $846,028 Up ×3
EXP Eagle Materials Inc Common Stock $6,095,700 0.87% 27,092 $961,226 Down ×1
LPX Louisiana-Pacific Corporation Common Stock $5,394,975 0.77% 68,586 $2,277,419 Up ×3
IIIV i3 Verticals, Inc. - Common Stock $4,782,098 0.68% 223,881 $-6,908,169 Down ×3
HROW Harrow, Inc. - Common Stock $3,882,140 0.55% 91,409 $-2,067,316 Down ×1

Conviction holdings

Positions increased for 3+ consecutive quarters.

Share counts are as reported in 13F filings (not split-adjusted)

Security Value % of portfolio Streak
GVA $12,181,329 1.74% up ×3
ROAD $6,575,820 0.94% up ×3
LPX $5,394,975 0.77% up ×3

Biggest new bets

New positions opened this quarter, largest first.

Security Value Shares % of portfolio
POOL $24,635,595 114,637 3.51%
SSNC $20,800,263 335,218 2.96%
MRTN $13,162,300 758,634 1.88%
SITE $8,635,095 75,475 1.23%

Top movers (QoQ)

Security Action Shares Δ Value Δ
LKQ Trimmed -658K -$21.5M
DELL Trimmed -4K +$18.1M
KNX Bought more +59K +$14.6M
BIL Bought more +153K +$14.0M
HQY Bought more +94K +$10.2M
CLH Trimmed -38K -$8.9M
PNFP Bought more +28K +$8.8M
AZO Trimmed -2K -$7.0M
GNRC Bought more +1K +$6.9M
IIIV Trimmed -299K -$6.9M

Exited positions

Includes corporate events (mergers, delistings) — not all exits are sells

Closed positions reflect 13F reporting changes; for index managers these are often mechanical (delisting, M&A, index rebalancing), not active decisions.

SecurityQuarter Shares before Value before Price since exit
BERY June 30, 2025 411,548 $28,730,165 No longer tracked
PPG March 31, 2025 162,979 $19,467,787 3.9%
GPK Sept. 30, 2025 824,146 $17,364,749 -40.3%
FHN June 30, 2026 698,869 $15,906,263 -3.2%
AMCR Dec. 31, 2025 1,633,539 $13,362,350 15.5%
AXTA March 31, 2026 228,528 $7,383,740 30.7%
GPGI March 31, 2025 453,064 $6,945,471 16.0%
FSS March 31, 2025 66,814 $6,172,945 65.5%
NOG Dec. 31, 2025 240,730 $5,970,104 25.9%
GOLF June 30, 2026 62,146 $5,809,408 -24.1%
PRIM June 30, 2025 69,499 $3,989,938 2.0%
AMH June 30, 2026 138,630 $3,870,542 3.1%
IWV June 30, 2026 1,730 $641,276 No longer tracked
IWV June 30, 2025 1,564 $496,789 No longer tracked