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Summit Street Capital Management, LLC

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13F filer, CIK 1595533, NEW YORK, NY

Summit Street Capital Management, LLC reported $729,024,041 across 30 holdings for the quarter ended 2025-09-30, in a 13F-HR filed 2025-11-14. Its ten largest share positions make up 43.06% of the portfolio.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001595533-25-000006

Period
2025-09-30
Reported value
$729M
Holdings
30
Top 10 weight
43.06%
New
2
Sold out
2

Largest buys vs the previous quarter

SecurityShares changeApprox. value
WFRDnew+398,661$27.3M
SIGnew+264,054$25.3M
MOHadded+77,573$14.8M
HPQadded+184,545$10.4M
CNRadded+81,170$6.78M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Largest sells vs the previous quarter

SecurityShares changeApprox. value
WBDreduced-1,543,740-$30.1M
MUreduced-116,000-$19.4M
KLACreduced-12,371-$13.3M
LRCXreduced-79,171-$10.6M
KLICexited-281,812-$9.75M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Holdings, Q3 2025

Share positions as resolved from 13F-HR 0001595533-25-000006, largest first. % of portfolio is the value over $729,024,041, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
HPQHP INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 267,894 shares; 2024Q4: 676,045 shares; 2025Q1: 759,845 shares; 2025Q2: 722,801 shares; 2025Q3: 907,346 shares 907,346$51.2M7.03%+184,545Timeline
IDCCINTERDIGITAL INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 85,585 shares; 2024Q4: 215,921 shares; 2025Q1: 134,638 shares; 2025Q2: 122,079 shares; 2025Q3: 99,616 shares 99,616$34.4M4.72%-22,463Timeline
DDSDILLARDS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: 57,419 shares; 2025Q1: 61,917 shares; 2025Q2: 61,765 shares; 2025Q3: 54,836 shares 54,836$33.7M4.62%-6,929Timeline
CNRCORE NATURAL RESOURCES INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 319,826 shares; 2025Q2: 260,985 shares; 2025Q3: 342,155 shares 342,155$28.6M3.92%+81,170Timeline
UTHRUNITED THERAPEUTICS CORP DELQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 36,431 shares; 2024Q4: 86,851 shares; 2025Q1: 88,774 shares; 2025Q2: 80,815 shares; 2025Q3: 67,153 shares 67,153$28.2M3.86%-13,662Timeline
STNGSCORPIO TANKERS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 498,612 shares; 2025Q3: 500,962 shares 500,962$28.1M3.85%+2,350Timeline
CFCF INDUSTRIES HOLDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 116,115 shares; 2024Q4: 306,436 shares; 2025Q1: 312,387 shares; 2025Q2: 284,649 shares; 2025Q3: 308,059 shares 308,059$27.6M3.79%+23,410Timeline
MOHMOLINA HEALTHCARE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 28,720 shares; 2024Q4: 76,606 shares; 2025Q1: 72,304 shares; 2025Q2: 66,405 shares; 2025Q3: 143,978 shares 143,978$27.6M3.78%+77,573Timeline
LRCXLAM RESEARCH CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: 284,260 shares; 2025Q1: 297,643 shares; 2025Q2: 283,423 shares; 2025Q3: 204,252 shares 204,252$27.4M3.75%-79,171Timeline
WFRDWEATHERFORD INTL PLCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 398,661 shares 398,661$27.3M3.74%newTimeline
HCCWARRIOR MET COAL INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 173,902 shares; 2024Q4: 459,984 shares; 2025Q1: 505,488 shares; 2025Q2: 438,426 shares; 2025Q3: 417,137 shares 417,137$26.5M3.64%-21,289Timeline
VLOVALERO ENERGY CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 57,094 shares; 2024Q4: 160,095 shares; 2025Q1: 177,990 shares; 2025Q2: 173,959 shares; 2025Q3: 153,663 shares 153,663$26.2M3.59%-20,296Timeline
HUMHUMANA INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 24,551 shares; 2024Q4: 87,538 shares; 2025Q1: 90,921 shares; 2025Q2: 81,157 shares; 2025Q3: 99,831 shares 99,831$26M3.56%+18,674Timeline
TNKTEEKAY TANKERS LTDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 438,649 shares; 2025Q3: 501,774 shares 501,774$25.4M3.48%+63,125Timeline
SIGSIGNET JEWELERS LTDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 264,054 shares 264,054$25.3M3.47%newTimeline
AMATAPPLIED MATLS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 47,908 shares; 2024Q4: 126,369 shares; 2025Q1: 129,083 shares; 2025Q2: 119,159 shares; 2025Q3: 119,159 shares 119,159$24.4M3.35%0Timeline
MPCMARATHON PETE CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 52,644 shares; 2024Q4: 141,254 shares; 2025Q1: 141,254 shares; 2025Q2: 156,197 shares; 2025Q3: 124,618 shares 124,618$24M3.29%-31,579Timeline
MUMICRON TECHNOLOGY INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 96,401 shares; 2024Q4: 244,633 shares; 2025Q1: 154,716 shares; 2025Q2: 257,167 shares; 2025Q3: 141,167 shares 141,167$23.6M3.24%-116,000Timeline
WBDWARNER BROS DISCOVERY INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 1,114,185 shares; 2024Q4: 2,841,306 shares; 2025Q1: 2,882,154 shares; 2025Q2: 2,688,302 shares; 2025Q3: 1,144,562 shares 1,144,562$22.4M3.07%-1,543,740Timeline
KLACKLA CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 12,774 shares; 2024Q4: 34,323 shares; 2025Q1: 34,850 shares; 2025Q2: 32,601 shares; 2025Q3: 20,230 shares 20,230$21.8M2.99%-12,371Timeline
FOXAFOX CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 146,920 shares; 2024Q4: 377,857 shares; 2025Q1: 381,985 shares; 2025Q2: 365,995 shares; 2025Q3: 369,096 shares 369,096$20.8M2.86%+3,101Timeline
BKEBUCKLE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 213,261 shares; 2024Q4: 473,248 shares; 2025Q1: 475,879 shares; 2025Q2: 378,347 shares; 2025Q3: 337,807 shares 337,807$19.8M2.72%-40,540Timeline
DINOHF SINCLAIR CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 183,575 shares; 2024Q4: 567,190 shares; 2025Q1: 568,903 shares; 2025Q2: 366,381 shares; 2025Q3: 366,381 shares 366,381$19.2M2.63%0Timeline
LYBLYONDELLBASELL INDUSTRIES NVQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 88,173 shares; 2024Q4: 218,288 shares; 2025Q1: 309,220 shares; 2025Q2: 316,412 shares; 2025Q3: 390,841 shares 390,841$19.2M2.63%+74,429Timeline
ELVELEVANCE HEALTH INC FORMERLYQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 16,941 shares; 2024Q4: 39,419 shares; 2025Q1: 40,573 shares; 2025Q2: 33,910 shares; 2025Q3: 53,192 shares 53,192$17.2M2.36%+19,282Timeline
INTCINTEL CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 329,124 shares; 2024Q4: 775,766 shares; 2025Q1: 757,109 shares; 2025Q2: 747,368 shares; 2025Q3: 501,897 shares 501,897$16.8M2.31%-245,471Timeline
CSCOCISCO SYS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 176,376 shares; 2024Q4: 437,355 shares; 2025Q1: 333,180 shares; 2025Q2: 302,620 shares; 2025Q3: 244,513 shares 244,513$16.7M2.29%-58,107Timeline
LBLANDBRIDGE COMPANY LLCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: 269,191 shares; 2025Q1: 311,096 shares; 2025Q2: 285,809 shares; 2025Q3: 285,809 shares 285,809$15.2M2.09%0Timeline
TPLTEXAS PACIFIC LAND CORPORATIQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 13,097 shares; 2024Q4: 28,005 shares; 2025Q1: 15,967 shares; 2025Q2: 14,574 shares; 2025Q3: 14,574 shares 14,574$13.6M1.87%0Timeline
GNTXGENTEX CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 160,199 shares; 2024Q4: 424,538 shares; 2025Q1: 424,538 shares; 2025Q2: 384,651 shares; 2025Q3: 384,651 shares 384,651$10.9M1.49%0Timeline

Sold out in Q3 2025

Positions in the previous quarter's report that this quarter's report no longer lists.

SecurityShares beforeValue beforeType
KLICKULICKE & SOFFA INDS INC281,812$9.75Mshares
MGAMAGNA INTL INC124,877$4.82Mshares

How Q3 2025 was built

Available 13F filings of this filer for the quarter and their roles: the base report is the latest original or restatement, NEW HOLDINGS amendments filed after it are added (method).

FilingRoleAmendmentFiledAcceptedIngested
13F-HR 0001595533-25-000006 base2025-11-14acceptance time not in the bulk data set