Summit Street Capital Management, LLC — 13F Holdings & Portfolio
CIK 1595533 · latest 13F-HR filed 2026-08-14
Summit Street Capital Management, LLC manages $712.6M in 13F-reported U.S. long-equity assets across 31 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are LNTH (6.24%), MOH (5.84%), HUM (5.10%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 1 new position, exited 1, added to 12, and trimmed 13.
AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.
26TH FLOOR
NEW YORK, NY 10017
$712.6M
Long-equity book
31
Distinct positions
2026-06-30
Filed 2026-08-14
+1 / −1 / ↑12 / ↓13
vs 2026-03-31
| Name | Title / Status | Ownership | Type |
|---|
Top Adds (vs prior quarter)
- HUMANA INC$24.7M +213.2%
- MOLINA HEALTHCARE INC$16.0M +62.2%
- HP INC$13.8M +112.7%
- LANTHEUS HLDGS INC$12.9M +41.1%
- FOX CORP$8.3M +45.0%
Top Trims
- TEEKAY TANKERS LTD-$17.0M -49.1%
- LYONDELLBASELL INDUSTRIES NV-$16.1M -47.6%
- SCORPIO TANKERS INC-$13.5M -43.1%
- CORE NATURAL RESOURCES INC-$9.2M -28.9%
- CF INDUSTRIES HOLD-$9.0M -25.7%
Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).
| # | Issuer | Symbol | CUSIP | Value | Weight | Shares | Type |
|---|---|---|---|---|---|---|---|
| 1 | LANTHEUS HLDGS INC | LNTH | 516544103 | $44.5M | 6.24% | 400,699 | SH |
| 2 | MOLINA HEALTHCARE INC | MOH | 60855R100 | $41.6M | 5.84% | 182,031 | SH |
| 3 | HUMANA INC | HUM | 444859102 | $36.3M | 5.10% | 91,449 | SH |
| 4 | SIGNET JEWELERS LIMITED | SIG | G81276100 | $29.1M | 4.08% | 337,316 | SH |
| 5 | UNITED THERAPEUTICS CORP DEL | UTHR | 91307C102 | $28.6M | 4.01% | 52,789 | SH |
| 6 | ELEVANCE HEALTH INC FORMERLY | ELV | 036752103 | $27.9M | 3.91% | 72,040 | SH |
| 7 | WEATHERFORD INTL PLC | WFRD | G48833118 | $27.5M | 3.86% | 337,875 | SH |
| 8 | FOX CORP | FOXA | 35137L105 | $26.8M | 3.76% | 514,311 | SH |
| 9 | HP INC | HPQ | 40434L105 | $26.1M | 3.66% | 1,189,974 | SH |
| 10 | VALERO ENERGY CORP | VLO | 91913Y100 | $26.1M | 3.66% | 100,073 | SH |
| 11 | CF INDUSTRIES HOLD | CF | 125269100 | $25.9M | 3.63% | 238,812 | SH |
| 12 | WARRIOR MET COAL INC | HCC | 93627C101 | $25.7M | 3.61% | 317,202 | SH |
| 13 | MARATHON PETE CORP | MPC | 56585A102 | $25.0M | 3.51% | 97,758 | SH |
| 14 | CORE NATURAL RESOURCES INC | CNR | 218937100 | $22.7M | 3.19% | 284,218 | SH |
| 15 | KLA CORP | KLAC | 482480100 | $22.1M | 3.10% | 73,279 | SH |
| 16 | COMCAST CORP NEW | CMCSA | 20030N101 | $22.0M | 3.08% | 895,459 | SH |
| 17 | MICRON TECHNOLOGY INC | MU | 595112103 | $22.0M | 3.08% | 19,018 | SH |
| 18 | LAM RESEARCH CORP | LRCX | 512807306 | $21.9M | 3.07% | 50,428 | SH |
| 19 | APPLIED MATLS INC | AMAT | 038222105 | $21.4M | 3.00% | 29,589 | SH |
| 20 | INTEL CORP | INTC | 458140100 | $19.1M | 2.69% | 137,030 | SH |
| 21 | HF SINCLAIR CORP | DINO | 403949100 | $18.3M | 2.57% | 263,017 | SH |
| 22 | INTERDIGITAL INC | IDCC | 45867G101 | $18.2M | 2.55% | 64,149 | SH |
| 23 | SCORPIO TANKERS INC | STNG | Y7542C130 | $17.8M | 2.50% | 256,772 | SH |
| 24 | LYONDELLBASELL INDUSTRIES NV | LYB | N53745100 | $17.7M | 2.49% | 336,501 | SH |
| 25 | TEEKAY TANKERS LTD | TNK | G8726X106 | $17.6M | 2.47% | 270,880 | SH |
| 26 | DILLARDS INC | DDS | 254067101 | $16.8M | 2.35% | 31,734 | SH |
| 27 | CISCO SYS INC | CSCO | 17275R102 | $16.7M | 2.35% | 142,412 | SH |
| 28 | LANDBRIDGE COMPANY LLC | LB | 514952100 | $16.1M | 2.26% | 203,365 | SH |
| 29 | TEXAS PACIFIC LAND CORPORATI | TPL | 88262P102 | $14.8M | 2.08% | 33,918 | SH |
| 30 | BUCKLE INC | BKE | 118440106 | $11.5M | 1.61% | 271,903 | SH |
| 31 | GENTEX CORP | GNTX | 371901109 | $4.9M | 0.68% | 192,825 | SH |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-06-30 | 2026-08-14 | $712.6M | 31 | 0001595533-26-000004 |
| 2026-03-31 | 2026-05-15 | $707.3M | 31 | 0001595533-26-000003 |
| 2025-12-31 | 2026-02-17 | $636.2M | 31 | 0001595533-26-000002 |
| 2025-09-30 | 2025-11-14 | $729.0M | 30 | 0001595533-25-000006 |