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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 $712,597,515 across 31 holdings for the quarter ended 2026-06-30, in a 13F-HR filed 2026-08-14. Its ten largest share positions make up 44.13% of the portfolio.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001595533-26-000004

Period
2026-06-30
Reported value
$713M
Holdings
31
Top 10 weight
44.13%
New
1
Sold out
1

Largest buys vs the previous quarter

SecurityShares changeApprox. value
CMCSAnew+895,459$22M
KLACadded+58,298$17.6M
HPQadded+551,005$12.1M
FOXAadded+197,441$10.3M
HUMadded+24,560$9.76M

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
MUreduced-34,582-$39.9M
INTCreduced-219,602-$30.7M
LRCXreduced-51,053-$22.1M
AMATreduced-29,615-$21.4M
WBDexited-597,500-$16.4M

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, Q2 2026

Share positions as resolved from 13F-HR 0001595533-26-000004, largest first. % of portfolio is the value over $712,597,515, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
LNTHLANTHEUS HLDGS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 405,664 shares; 2026Q1: 415,474 shares; 2026Q2: 400,699 shares 400,699$44.5M6.24%-14,775Timeline
MOHMOLINA HEALTHCARE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: 28,720 shares; 2024Q4: 76,606 shares; 2025Q1: 72,304 shares; 2025Q2: 66,405 shares; 2025Q3: 143,978 shares; 2025Q4: 85,521 shares; 2026Q1: 192,586 shares; 2026Q2: 182,031 shares 182,031$41.6M5.84%-10,555Timeline
HUMHUMANA INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: 24,551 shares; 2024Q4: 87,538 shares; 2025Q1: 90,921 shares; 2025Q2: 81,157 shares; 2025Q3: 99,831 shares; 2025Q4: 66,889 shares; 2026Q1: 66,889 shares; 2026Q2: 91,449 shares 91,449$36.3M5.1%+24,560Timeline
SIGSIGNET JEWELERS LTDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 264,054 shares; 2025Q4: 272,607 shares; 2026Q1: 278,892 shares; 2026Q2: 337,316 shares 337,316$29.1M4.08%+58,424Timeline
UTHRUNITED THERAPEUTICS CORP DELQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: 36,431 shares; 2024Q4: 86,851 shares; 2025Q1: 88,774 shares; 2025Q2: 80,815 shares; 2025Q3: 67,153 shares; 2025Q4: 56,872 shares; 2026Q1: 56,872 shares; 2026Q2: 52,789 shares 52,789$28.6M4.01%-4,083Timeline
ELVELEVANCE HEALTH INC FORMERLYQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: 16,941 shares; 2024Q4: 39,419 shares; 2025Q1: 40,573 shares; 2025Q2: 33,910 shares; 2025Q3: 53,192 shares; 2025Q4: 62,896 shares; 2026Q1: 73,983 shares; 2026Q2: 72,040 shares 72,040$27.9M3.91%-1,943Timeline
WFRDWEATHERFORD INTL PLCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 398,661 shares; 2025Q4: 355,282 shares; 2026Q1: 355,282 shares; 2026Q2: 337,875 shares 337,875$27.5M3.86%-17,407Timeline
FOXAFOX CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: 146,920 shares; 2024Q4: 377,857 shares; 2025Q1: 381,985 shares; 2025Q2: 365,995 shares; 2025Q3: 369,096 shares; 2025Q4: 316,870 shares; 2026Q1: 316,870 shares; 2026Q2: 514,311 shares 514,311$26.8M3.76%+197,441Timeline
HPQHP INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: 267,894 shares; 2024Q4: 676,045 shares; 2025Q1: 759,845 shares; 2025Q2: 722,801 shares; 2025Q3: 907,346 shares; 2025Q4: 638,969 shares; 2026Q1: 638,969 shares; 2026Q2: 1,189,974 shares 1,189,974$26.1M3.66%+551,005Timeline
VLOVALERO ENERGY CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: 57,094 shares; 2024Q4: 160,095 shares; 2025Q1: 177,990 shares; 2025Q2: 173,959 shares; 2025Q3: 153,663 shares; 2025Q4: 127,602 shares; 2026Q1: 127,602 shares; 2026Q2: 100,073 shares 100,073$26.1M3.66%-27,529Timeline
CFCF INDUSTRIES HOLDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: 116,115 shares; 2024Q4: 306,436 shares; 2025Q1: 312,387 shares; 2025Q2: 284,649 shares; 2025Q3: 308,059 shares; 2025Q4: 302,803 shares; 2026Q1: 268,075 shares; 2026Q2: 238,812 shares 238,812$25.9M3.63%-29,263Timeline
HCCWARRIOR MET COAL INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: 173,902 shares; 2024Q4: 459,984 shares; 2025Q1: 505,488 shares; 2025Q2: 438,426 shares; 2025Q3: 417,137 shares; 2025Q4: 351,989 shares; 2026Q1: 351,989 shares; 2026Q2: 317,202 shares 317,202$25.7M3.61%-34,787Timeline
MPCMARATHON PETE CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: 52,644 shares; 2024Q4: 141,254 shares; 2025Q1: 141,254 shares; 2025Q2: 156,197 shares; 2025Q3: 124,618 shares; 2025Q4: 105,145 shares; 2026Q1: 105,145 shares; 2026Q2: 97,758 shares 97,758$25M3.51%-7,387Timeline
CNRCORE NATURAL RESOURCES INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 319,826 shares; 2025Q2: 260,985 shares; 2025Q3: 342,155 shares; 2025Q4: 305,260 shares; 2026Q1: 305,260 shares; 2026Q2: 284,218 shares 284,218$22.7M3.19%-21,042Timeline
KLACKLA CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: 12,774 shares; 2024Q4: 34,323 shares; 2025Q1: 34,850 shares; 2025Q2: 32,601 shares; 2025Q3: 20,230 shares; 2025Q4: 14,981 shares; 2026Q1: 14,981 shares; 2026Q2: 73,279 shares 73,279$22.1M3.1%+58,298Timeline
CMCSACOMCAST CORP NEWQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: not reported; 2026Q2: 895,459 shares 895,459$22M3.08%newTimeline
MUMICRON TECHNOLOGY INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: 96,401 shares; 2024Q4: 244,633 shares; 2025Q1: 154,716 shares; 2025Q2: 257,167 shares; 2025Q3: 141,167 shares; 2025Q4: 92,463 shares; 2026Q1: 53,600 shares; 2026Q2: 19,018 shares 19,018$22M3.08%-34,582Timeline
LRCXLAM RESEARCH CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not reported; 2024Q4: 284,260 shares; 2025Q1: 297,643 shares; 2025Q2: 283,423 shares; 2025Q3: 204,252 shares; 2025Q4: 135,187 shares; 2026Q1: 101,481 shares; 2026Q2: 50,428 shares 50,428$21.9M3.07%-51,053Timeline
AMATAPPLIED MATLS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: 47,908 shares; 2024Q4: 126,369 shares; 2025Q1: 129,083 shares; 2025Q2: 119,159 shares; 2025Q3: 119,159 shares; 2025Q4: 76,036 shares; 2026Q1: 59,204 shares; 2026Q2: 29,589 shares 29,589$21.4M3%-29,615Timeline
INTCINTEL CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: 329,124 shares; 2024Q4: 775,766 shares; 2025Q1: 757,109 shares; 2025Q2: 747,368 shares; 2025Q3: 501,897 shares; 2025Q4: 356,632 shares; 2026Q1: 356,632 shares; 2026Q2: 137,030 shares 137,030$19.1M2.69%-219,602Timeline
DINOHF SINCLAIR CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: 183,575 shares; 2024Q4: 567,190 shares; 2025Q1: 568,903 shares; 2025Q2: 366,381 shares; 2025Q3: 366,381 shares; 2025Q4: 294,585 shares; 2026Q1: 294,585 shares; 2026Q2: 263,017 shares 263,017$18.3M2.57%-31,568Timeline
IDCCINTERDIGITAL INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: 85,585 shares; 2024Q4: 215,921 shares; 2025Q1: 134,638 shares; 2025Q2: 122,079 shares; 2025Q3: 99,616 shares; 2025Q4: 76,848 shares; 2026Q1: 64,149 shares; 2026Q2: 64,149 shares 64,149$18.2M2.55%0Timeline
STNGSCORPIO TANKERS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 498,612 shares; 2025Q3: 500,962 shares; 2025Q4: 418,959 shares; 2026Q1: 418,959 shares; 2026Q2: 256,772 shares 256,772$17.8M2.5%-162,187Timeline
LYBLYONDELLBASELL INDUSTRIES NVQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: 88,173 shares; 2024Q4: 218,288 shares; 2025Q1: 309,220 shares; 2025Q2: 316,412 shares; 2025Q3: 390,841 shares; 2025Q4: 605,362 shares; 2026Q1: 419,514 shares; 2026Q2: 336,501 shares 336,501$17.7M2.49%-83,013Timeline
TNKTEEKAY TANKERS LTDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 438,649 shares; 2025Q3: 501,774 shares; 2025Q4: 471,147 shares; 2026Q1: 471,147 shares; 2026Q2: 270,880 shares 270,880$17.6M2.47%-200,267Timeline
DDSDILLARDS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not reported; 2024Q4: 57,419 shares; 2025Q1: 61,917 shares; 2025Q2: 61,765 shares; 2025Q3: 54,836 shares; 2025Q4: 41,754 shares; 2026Q1: 33,119 shares; 2026Q2: 31,734 shares 31,734$16.8M2.35%-1,385Timeline
CSCOCISCO SYS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: 176,376 shares; 2024Q4: 437,355 shares; 2025Q1: 333,180 shares; 2025Q2: 302,620 shares; 2025Q3: 244,513 shares; 2025Q4: 203,282 shares; 2026Q1: 203,282 shares; 2026Q2: 142,412 shares 142,412$16.7M2.35%-60,870Timeline
LBLANDBRIDGE COMPANY LLCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not reported; 2024Q4: 269,191 shares; 2025Q1: 311,096 shares; 2025Q2: 285,809 shares; 2025Q3: 285,809 shares; 2025Q4: 227,258 shares; 2026Q1: 227,258 shares; 2026Q2: 203,365 shares 203,365$16.1M2.26%-23,893Timeline
TPLTEXAS PACIFIC LAND CORPORATIQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: 13,097 shares; 2024Q4: 28,005 shares; 2025Q1: 15,967 shares; 2025Q2: 14,574 shares; 2025Q3: 14,574 shares; 2025Q4: 36,864 shares; 2026Q1: 36,864 shares; 2026Q2: 33,918 shares 33,918$14.8M2.08%-2,946Timeline
BKEBUCKLE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: 213,261 shares; 2024Q4: 473,248 shares; 2025Q1: 475,879 shares; 2025Q2: 378,347 shares; 2025Q3: 337,807 shares; 2025Q4: 262,060 shares; 2026Q1: 291,668 shares; 2026Q2: 271,903 shares 271,903$11.5M1.61%-19,765Timeline
GNTXGENTEX CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: 160,199 shares; 2024Q4: 424,538 shares; 2025Q1: 424,538 shares; 2025Q2: 384,651 shares; 2025Q3: 384,651 shares; 2025Q4: 192,825 shares; 2026Q1: 192,825 shares; 2026Q2: 192,825 shares 192,825$4.87M0.68%0Timeline

Sold out in Q2 2026

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

SecurityShares beforeValue beforeType
WBDWARNER BROS DISCOVERY INC597,500$16.4Mshares

How Q2 2026 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 0001595533-26-000004 base2026-08-14acceptance time not in the bulk data set