Summit Street Capital Management, LLC
In its 13F for Q2 2025 (holdings as of June 30, 2025, filed August 14, 2025), Summit Street Capital Management, LLC reported 30 stock positions worth $606.2 million. Its top holding was Micron Technology (MU) at 5.2% of the portfolio, followed by Warner Bros Discovery (WBD, 5.1%) and KLA (KLAC, 4.8%). Compared with Q1 2025, it opened 2 new positions, sold out of 2, added to 3 and reduced 25. The biggest buy was a new position in Scorpio Tankers (STNG) and the biggest sale an exit from Trinet (TNET).
- Most Recent 13F
- Q2 2026
- Location
- NEW YORK, NY
- CIK
- 0001595533
- Portfolio Value
- $606.2M (Q2 2025)
- SEC Filing
- 0001085146-25-005130 ↗ filed Aug 14, 2025
Holdings Value
Holdings 30 stocks · $606.2M
| MU Micron Technology Inc. | 5.23% | 257,167 | $31.7M | Add +66.2% |
| WBD Warner Bros Discovery Inc. | 5.08% | 2,688,302 | $30.8M | Reduce -6.7% |
| KLAC KLA Corp. | 4.82% | 32,601 | $29.2M | Reduce -6.5% |
| LRCX Lam Research Corp. | 4.55% | 283,423 | $27.6M | Reduce -4.8% |
| IDCC Interdigital Inc. | 4.52% | 122,079 | $27.4M | Reduce -9.3% |
| CF CF Industries Holdings Inc. filed as CF INDS HLDGS INC | 4.32% | 284,649 | $26.2M | Reduce -8.9% |
| MPC Marathon Petroleum Corp. | 4.28% | 156,197 | $25.9M | Add +10.6% |
| DDS Dillards Inc. Class A | 4.26% | 61,765 | $25.8M | Reduce -0.3% |
| VLO Valero Energy Corp. | 3.86% | 173,959 | $23.4M | Reduce -2.3% |
| UTHR United Therapeutics Corp. | 3.83% | 80,815 | $23.2M | Reduce -9.0% |
| AMAT Applied Materials Inc. | 3.60% | 119,159 | $21.8M | Reduce -7.7% |
| CSCO Cisco Systems Inc. | 3.46% | 302,620 | $21.0M | Reduce -9.2% |
| FOXA Fox Corp. Class A | 3.38% | 365,995 | $20.5M | Reduce -4.2% |
| HCC Warrior Met Coal Inc. | 3.31% | 438,426 | $20.1M | Reduce -13.3% |
| HUM Humana Inc. | 3.27% | 81,157 | $19.8M | Reduce -10.7% |
| MOH Molina Healthcare Inc. | 3.26% | 66,405 | $19.8M | Reduce -8.2% |
| STNG Scorpio Tankers Inc. | 3.22% | 498,612 | $19.5M | New |
| LB Landbridge Co. LLC-A | 3.19% | 285,809 | $19.3M | Reduce -8.1% |
| LYB Lyondellbasell Indu Class A | 3.02% | 316,412 | $18.3M | Add +2.3% |
| TNK Teekay Tankers Ltd. Class A | 3.02% | 438,649 | $18.3M | New |
| CNR Core Natural Resources Inc. | 3.00% | 260,985 | $18.2M | Reduce -18.4% |
| HPQ HP Inc. | 2.92% | 722,801 | $17.7M | Reduce -4.9% |
| BKE The Buckle Inc. | 2.83% | 378,347 | $17.2M | Reduce -20.5% |
| INTC Intel Corp. | 2.76% | 747,368 | $16.7M | Reduce -1.3% |
| TPL Texas Pacific Land Corp. | 2.54% | 14,574 | $15.4M | Reduce -8.7% |
| DINO HF Sinclair Corp. | 2.48% | 366,381 | $15.1M | Reduce -35.6% |
| ELV Elevance Health Inc. | 2.18% | 33,910 | $13.2M | Reduce -16.4% |
| KLIC Kulicke & Soffa Industries | 1.61% | 281,812 | $9.8M | Reduce -27.4% |
| GNTX Gentex Corp. | 1.40% | 384,651 | $8.5M | Reduce -9.4% |
| MGA Magna International Inc. | 0.80% | 124,877 | $4.8M | Reduce -13.3% |
Portfolio Sells Q1 2025 → Q2 2025
| TNET Trinet Group Inc. | Sold out | 0.00% | −2.19 |
| HUN Huntsman Corp. | Sold out | 0.00% | −1.44 |
| CNR Core Natural Resources Inc. | Reduce -18.4% | 3.00% | −1.10 |
| TPL Texas Pacific Land Corp. | Reduce -8.7% | 2.54% | −0.98 |
| ELV Elevance Health Inc. | Reduce -16.4% | 2.18% | −0.76 |
| HUM Humana Inc. | Reduce -10.7% | 3.27% | −0.73 |
| UTHR United Therapeutics Corp. | Reduce -9.0% | 3.83% | −0.73 |
| MOH Molina Healthcare Inc. | Reduce -8.2% | 3.26% | −0.70 |
| HCC Warrior Met Coal Inc. | Reduce -13.3% | 3.31% | −0.70 |
| DINO HF Sinclair Corp. | Reduce -35.6% | 2.48% | −0.63 |
| HPQ HP Inc. | Reduce -4.9% | 2.92% | −0.59 |
| LB Landbridge Co. LLC-A | Reduce -8.1% | 3.19% | −0.54 |
| KLIC Kulicke & Soffa Industries | Reduce -27.4% | 1.61% | −0.52 |
| GNTX Gentex Corp. | Reduce -9.4% | 1.40% | −0.25 |
| FOXA Fox Corp. Class A | Reduce -4.2% | 3.38% | −0.22 |
| BKE The Buckle Inc. | Reduce -20.5% | 2.83% | −0.21 |
| IDCC Interdigital Inc. | Reduce -9.3% | 4.52% | −0.12 |
| INTC Intel Corp. | Reduce -1.3% | 2.76% | −0.10 |
| WBD Warner Bros Discovery Inc. | Reduce -6.7% | 5.08% | −0.07 |
| VLO Valero Energy Corp. | Reduce -2.3% | 3.86% | −0.06 |
| MGA Magna International Inc. | Reduce -13.3% | 0.80% | −0.02 |
| CSCO Cisco Systems Inc. | Reduce -9.2% | 3.46% | +0.04 |
| CF CF Industries Holdings Inc. | Reduce -8.9% | 4.32% | +0.26 |
| AMAT Applied Materials Inc. | Reduce -7.7% | 3.60% | +0.48 |
| DDS Dillards Inc. Class A | Reduce -0.3% | 4.26% | +0.57 |
| KLAC KLA Corp. | Reduce -6.5% | 4.82% | +0.87 |
| LRCX Lam Research Corp. | Reduce -4.8% | 4.55% | +0.95 |
Portfolio Buys Q1 2025 → Q2 2025
All Filings
| Quarter | Positions | 13F Reported Value | Top Holdings |
|---|---|---|---|
| Q2 2026 | 31 | $712.6M | LNTH, MOH, HUM, SIG, UTHR |
| Q1 2026 | 31 | $707.3M | CF, TNK, LYB, UTHR, WFRD |
| Q4 2025 | 31 | $636.2M | HCC, WBD, WFRD, UTHR, CNR |
| Q3 2025 | 30 | $729.0M | HPQ, IDCC, DDS, CNR, UTHR |
| Q2 2025 | 30 | $606.2M | MU, WBD, KLAC, LRCX, IDCC |
| Q1 2025Amended | 30 | $600.6M | WBD, IDCC, UTHR, CNR, CF |
| Q4 2024Amended | 30 | $638.0M | IDCC, TPL, UTHR, WBD, CF |
| Q3 2024 | 29 | $280.1M | BRK.A, UTHR, IDCC, TPL, HCC |
| Q2 2024 | 29 | $273.7M | BRK.A, UTHR, LRCX, AMAT, KLAC |
| Q1 2024 | 31 | $260.4M | BRK.A, MU, AMAT, KLAC, MPC |