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Summit Street Capital Management, LLC: 13F holdings, Q2 2026

Hedge fund · SEC EDGAR filings (CIK 1595533) · Explore on the interactive board

Summit Street Capital Management, LLC disclosed 31 US equity positions worth $712.6m in its Q2 2026 13F filing (holdings as of June 30, 2026, filed August 14, 2026). Its largest position is LNTH at 6.2% of the reported book, followed by MOH, HUM. The top ten holdings are 44.1% of the book, and the portfolio behaves like about 28 equal-weight positions. Versus the prior filing it opened 1 new position, added to 5, reduced 23 and exited 1. Note: this manager's most recent filing is 3934 quarters behind the newest quarter on file, so these figures are history rather than current positioning.

This manager's most recent filing is 3934 quarter(s) behind the newest quarter on file. Treat these figures as history, not current positioning.
$712.6mreported US equity book
31positions
6.2%largest position
44.1%top 10 weight
27.69effective positions (1/HHI)
2quarters on file since Q1 2026

What does Summit Street Capital Management, LLC own? Top holdings as of June 30, 2026

Change is measured in shares against the previous filing (Q1 2026), so price moves do not read as decisions. This quarter: 1 new, 5 added, 23 reduced, 1 exited.

#StockSectorWeightValueSharesΔ sharesAction
1 LNTH LANTHEUS HLDGS INC Healthcare 6.2%$44.5m400,699 -4% reduced
2 MOH MOLINA HEALTHCARE INC Healthcare 5.8%$41.6m182,031 -5% reduced
3 HUM HUMANA INC Healthcare 5.1%$36.3m91,449 37% added
4 SIG SIGNET JEWELERS LIMITED Consumer Cyclical 4.1%$29.1m337,316 21% added
5 UTHR UNITED THERAPEUTICS CORP DEL Healthcare 4.0%$28.6m52,789 -7% reduced
6 ELV ELEVANCE HEALTH INC FORMERLY Healthcare 3.9%$27.9m72,040 -3% reduced
7 WEATHERFORD INTL PLC 3.9%$27.5m337,875 -5% reduced
8 FOXA FOX CORP Communication Services 3.8%$26.8m514,311 62% added
9 HPQ HP INC Technology 3.7%$26.1m1,189,974 86% added
10 VLO VALERO ENERGY CORP Energy 3.7%$26.1m100,073 -22% reduced
11 CF CF INDUSTRIES HOLD Basic Materials 3.6%$25.9m238,812 -11% reduced
12 HCC WARRIOR MET COAL INC Basic Materials 3.6%$25.7m317,202 -10% reduced
13 MPC MARATHON PETE CORP Energy 3.5%$25.0m97,758 -7% reduced
14 CNR CORE NATURAL RESOURCES INC Energy 3.2%$22.7m284,218 -7% reduced
15 KLAC KLA CORP Technology 3.1%$22.1m73,279 389% added
16 CMCSA COMCAST CORP NEW Communication Services 3.1%$22.0m895,459 new
17 MU MICRON TECHNOLOGY INC Technology 3.1%$22.0m19,018 -65% reduced
18 LRCX LAM RESEARCH CORP Technology 3.1%$21.9m50,428 -50% reduced
19 AMAT APPLIED MATLS INC Technology 3.0%$21.4m29,589 -50% reduced
20 INTC INTEL CORP Technology 2.7%$19.1m137,030 -62% reduced
21 DINO HF SINCLAIR CORP Energy 2.6%$18.3m263,017 -11% reduced
22 IDCC INTERDIGITAL INC Technology 2.5%$18.2m64,149 0% held
23 STNG SCORPIO TANKERS INC Energy 2.5%$17.8m256,772 -39% reduced
24 LYONDELLBASELL INDUSTRIES NV 2.5%$17.7m336,501 -20% reduced
25 TNK TEEKAY TANKERS LTD Energy 2.5%$17.6m270,880 -43% reduced
26 DDS DILLARDS INC Consumer Cyclical 2.4%$16.8m31,734 -4% reduced
27 CSCO CISCO SYS INC Technology 2.3%$16.7m142,412 -30% reduced
28 LB LANDBRIDGE COMPANY LLC Energy 2.3%$16.1m203,365 -11% reduced
29 TPL TEXAS PACIFIC LAND CORPORATI Energy 2.1%$14.8m33,918 -8% reduced
30 BKE BUCKLE INC Consumer Cyclical 1.6%$11.5m271,903 -7% reduced
31 GNTX GENTEX CORP Consumer Cyclical 0.7%$4.9m192,825 0% held

What did Summit Street Capital Management, LLC sell? Positions exited since the previous filing

StockPrior weightPrior value
WBD WARNER BROS DISCOVERY INC100.0%$16.4m

Sector mix

SectorWeight
Healthcare25.1%
Technology23.5%
Energy22.2%
Consumer Cyclical8.7%
Basic Materials7.2%
Communication Services6.8%

Sectors cover positions whose ticker resolved to a sector; the remainder is unclassified, not cash.

Filing history

QuarterPositionsEquity value
Q2 202631$712.6m
Q1 202631$707.3m

How concentrated is Summit Street Capital Management, LLC's portfolio?

Across every quarter Summit Street Capital Management, LLC has filed, its median largest position is 5.6% of the book and its median top-ten weight is 45.4%, which WhaleCreep classifies as concentrated (the gate is a median largest position of 5%). Of 1.0 completed holding spells, the median lasted 1.0 quarters; 31.0 positions are still open and their final length is unknown.