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Q2 2026 13F · SEC CIK 1595533

Summit Street Capital Management, LLC

Hedge fundFiled 2026-08-14 for Q2 2026. Open the filing ↗ · All SEC filings ↗

Reported 13F value
$712.6M
Reported positions
31
Top holdings a year, 3 yrs
+32.1%
Assets under management
$757.5M

Summit Street Capital Management, LLC is a hedge fund that reported 31 positions worth $712.6M in its Q2 2026 13F, filed 2026-08-14. Its largest holdings were Lantheus Hldgs Inc (LNTH, 6.2%), Molina Healthcare Inc (MOH, 5.8%), Humana Inc (HUM, 5.1%). A portfolio copying its top holdings returned 32.1% a year over the last 3 years, against 18.9% for the S&P 500.

Summit Street Capital Management, LLC holdings all 31 positions.

Weights are shares of the filer's total reported 13F value, compared with Q1 2026. Share changes may reflect splits; weight changes also reflect price moves. A 13F shows long US-listed positions only, up to 135 days after the fact.

Summit Street Capital Management, LLC 13F holdings
Stock% of 13F valueShare changeReported value
LNTHLantheus Hldgs Inc6.2%-3.6%$44.5M
MOHMolina Healthcare Inc5.8%-5.5%$41.6M
HUMHumana Inc5.1%+36.7%$36.3M
SIGSignet Jewelers Limited4.1%+20.9%$29.1M
UTHRUnited Therapeutics Corp4.0%-7.2%$28.6M
ELVElevance Health Inc Formerly3.9%-2.6%$27.9M
WFRDWeatherford Intl PLC F3.9%-4.9%$27.5M
FOXAFox Corp3.8%+62.3%$26.8M
HPQHp Inc3.7%+86.2%$26.1M
VLOValero Energy Corp3.7%-21.6%$26.1M
CFCF Industries Holdings Inc3.6%-10.9%$25.9M
HCCWarrior Met Coal, Inc.3.6%-9.9%$25.7M
MPCMarathon Petroleum Corporation3.5%-7.0%$25.0M
CNRCore Natural Resources Inc3.2%-6.9%$22.7M
KLACKla Corp3.1%+389.1%$22.1M
CMCSAComcast Corp New3.1%—$22.0M
MUMicron Technology Inc3.1%-64.5%$22.0M
LRCXLam Research Corp3.1%-50.3%$21.9M
AMATApplied Matls Inc3.0%-50.0%$21.4M
INTCIntel Corp2.7%-61.6%$19.1M
DINOHf Sinclair Corp2.6%-10.7%$18.3M
IDCCInterdigital Inc2.5%+0.0%$18.2M
STNGScorpio Tankers Inc2.5%-38.7%$17.8M
LYBLyondellBasell Industries NV2.5%-19.8%$17.7M
TNKTeekay Tankers Ltd2.5%-42.5%$17.6M
DDSDillards Inc Cl A2.4%-4.2%$16.8M
CSCOCisco Sys Inc2.3%-29.9%$16.7M
LBLandbridge Company LLC2.3%-10.5%$16.1M
TPLTexas Pacific Land Corporati2.1%-8.0%$14.8M
BKEBuckle Inc1.6%-6.8%$11.5M
GNTXGentex Corp0.7%+0.0%$4.9M

What Summit Street Capital Management, LLC bought and sold in Q2 2026, against Q1 2026.

New positions

Added to

Reduced

Sold out

Share counts compared with the Q1 2026 13F; a split also changes share counts.

How the holdings did against the S&P 500.

1 year
+87.1% /yr
S&P 500 +20.1%
3 years
+32.1% /yr
S&P 500 +18.9%
5 years
+21.5% /yr
S&P 500 +10.3%

A portfolio of the filer's 20 largest 13F positions, weighted by value and rebuilt each quarter on the day the filing became public. 13Fs show long US-listed positions only, so this is an estimate of the stock picks, not the fund's reported returns.

Reported 13F value by quarter.

13F value by quarter
Quarter13F valuePositions
Q2 2026$712.6M31
Q1 2026$707.3M31
Q4 2025$636.2M31
Q3 2025$729.0M30
Q2 2025$606.2M30
Q1 2025$600.6M30
Q3 2024$280.1M29
Q2 2024$273.7M29
Q1 2024$260.4M31
Q4 2023$236.2M31
Q3 2023$224.1M31
Q2 2023$212.3M31

Questions about Summit Street Capital Management, LLC's portfolio

What stocks does Summit Street Capital Management, LLC own?

Summit Street Capital Management, LLC's latest 13F, for Q2 2026 and filed Aug 14, 2026, lists 31 positions worth $712.6M. The largest are Lantheus Hldgs Inc (LNTH) at 6.2%, Molina Healthcare Inc (MOH) at 5.8%, Humana Inc (HUM) at 5.1%, Signet Jewelers Limited (SIG) at 4.1% and United Therapeutics Corp (UTHR) at 4.0%.

What did Summit Street Capital Management, LLC buy last quarter?

In Q2 2026, Summit Street Capital Management, LLC added a new position in Comcast Corp New (CMCSA), Kla Corp (KLAC) (+389.1% shares), Hp Inc (HPQ) (+86.2% shares) and Fox Corp (FOXA) (+62.3% shares), compared with its Q1 2026 filing.

What did Summit Street Capital Management, LLC sell last quarter?

In Q2 2026, Summit Street Capital Management, LLC sold all of Warner Bros Discovery Inc (WBD), Micron Technology Inc (MU) (-64.5% shares), Intel Corp (INTC) (-61.6% shares) and Lam Research Corp (LRCX) (-50.3% shares), compared with its Q1 2026 filing.

How has Summit Street Capital Management, LLC's portfolio performed?

A portfolio copying Summit Street Capital Management, LLC's 20 largest 13F holdings each quarter, from the day each filing was public, returned +32.1% a year over the last 3 years, against +18.9% for the S&P 500. Over 1 year: +87.1% against +20.1%. Over 5 years: +21.5% a year against +10.3%.

When is Summit Street Capital Management, LLC's next 13F filing due?

13F filings are due 45 days after each quarter ends. Summit Street Capital Management, LLC's filing for the quarter ending Sep 30, 2026 is due by Nov 14, 2026; this page updates the day after it is published.

How much money does Summit Street Capital Management, LLC manage?

Summit Street Capital Management, LLC reported $757.5M of regulatory assets under management on its latest SEC Form ADV. Its 13F, which covers only US-listed stocks and options, totals $712.6M.