Summit Street Capital Management, LLC

In its 13F for Q1 2026 (holdings as of March 31, 2026, filed May 15, 2026), Summit Street Capital Management, LLC reported 31 stock positions worth $707.3 million. Its top holding was CF Industries (CF) at 4.9% of the portfolio, followed by Teekay Tankers Class A (TNK, 4.9%) and Lyondellbasell Indu Class A (LYB, 4.8%). Compared with Q4 2025, it added to 5 and reduced 8. The biggest buy was Molina Healthcare (MOH, shares +125%) and the biggest sale Warner Bros Discovery (WBD, shares −38%).

Most Recent 13F
Q2 2026
Location
NEW YORK, NY
CIK
0001595533
Portfolio Value
$707.3M (Q1 2026)
SEC Filing
0001595533-26-000003 ↗ filed May 15, 2026

Holdings Value

0$200.0M$400.0M$600.0M$800.0M Q1 2024: $260.4M Q1 2024 Q2 2024: $273.7M Q2 2024 Q3 2024: $280.1M Q3 2024 Q4 2024: $638.0M Q4 2024 Q1 2025: $600.6M Q1 2025 Q2 2025: $606.2M Q2 2025 Q3 2025: $729.0M Q3 2025 Q4 2025: $636.2M Q4 2025 Q1 2026: $707.3M $707.3M Q1 2026 Q2 2026: $712.6M Q2 2026

Holdings 31 stocks · $707.3M
CF CF Industries Holdings Inc. 4.92% 268,075 $34.8M Reduce -11.5%
TNK Teekay Tankers Ltd. Class A 4.88% 471,147 $34.5M No change
LYB Lyondellbasell Indu Class A 4.78% 419,514 $33.8M Reduce -30.7%
UTHR United Therapeutics Corp. 4.77% 56,872 $33.7M No change
WFRD Weatherford International PL 4.75% 355,282 $33.6M No change
HCC Warrior Met Coal Inc. 4.64% 351,989 $32.8M No change
CNR Core Natural Resources Inc. 4.52% 305,260 $32.0M No change
VLO Valero Energy Corp. 4.46% 127,602 $31.5M No change
LNTH Lantheus Holdings Inc. 4.46% 415,474 $31.5M Add +2.4%
STNG Scorpio Tankers Inc. 4.42% 418,959 $31.3M No change
MPC Marathon Petroleum Corp. 3.63% 105,145 $25.7M No change
MOH Molina Healthcare Inc. 3.63% 192,586 $25.7M Add +125.2%
SIG Signet Jewelers Ltd. 3.34% 278,892 $23.6M Add +2.3%
KLAC KLA Corp. 3.12% 14,981 $22.1M No change
LRCX Lam Research Corp. 3.07% 101,481 $21.7M Reduce -24.9%
ELV Elevance Health Inc. 3.06% 73,983 $21.7M Add +17.6%
AMAT Applied Materials Inc. 2.86% 59,204 $20.2M Reduce -22.1%
IDCC Interdigital Inc. 2.74% 64,149 $19.4M Reduce -16.5%
DDS Dillards Inc. Class A 2.68% 33,119 $18.9M Reduce -20.7%
FOXA Fox Corp. Class A 2.62% 316,870 $18.5M No change
DINO HF Sinclair Corp. 2.60% 294,585 $18.4M No change
MU Micron Technology Inc. 2.56% 53,600 $18.1M Reduce -42.0%
TPL Texas Pacific Land Corp. 2.47% 36,864 $17.5M No change
WBD Warner Bros Discovery Inc. 2.32% 597,500 $16.4M Reduce -38.5%
CSCO Cisco Systems Inc. 2.23% 203,282 $15.8M No change
INTC Intel Corp. 2.23% 356,632 $15.7M No change
LB Landbridge Co. LLC-A 2.22% 227,258 $15.7M No change
BKE The Buckle Inc. 2.08% 291,668 $14.7M Add +11.3%
HPQ HP Inc. 1.74% 638,969 $12.3M No change
HUM Humana Inc. 1.64% 66,889 $11.6M No change
GNTX Gentex Corp. 0.60% 192,825 $4.2M No change

Portfolio Sells Q4 2025 → Q1 2026
WBD Warner Bros Discovery Inc. Reduce -38.5% 2.32% −2.08
MU Micron Technology Inc. Reduce -42.0% 2.56% −1.59
DDS Dillards Inc. Class A Reduce -20.7% 2.68% −1.30
IDCC Interdigital Inc. Reduce -16.5% 2.74% −1.11
LRCX Lam Research Corp. Reduce -24.9% 3.07% −0.57
AMAT Applied Materials Inc. Reduce -22.1% 2.86% −0.21
LYB Lyondellbasell Indu Class A Reduce -30.7% 4.78% +0.66
CF CF Industries Holdings Inc. Reduce -11.5% 4.92% +1.24

Portfolio Buys Q4 2025 → Q1 2026
MOH Molina Healthcare Inc. Add +125.2% 3.63% +1.30
LNTH Lantheus Holdings Inc. Add +2.4% 4.46% +0.21
BKE The Buckle Inc. Add +11.3% 2.08% −0.12
SIG Signet Jewelers Ltd. Add +2.3% 3.34% −0.21
ELV Elevance Health Inc. Add +17.6% 3.06% −0.40

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q2 2026 31$712.6MLNTH, MOH, HUM, SIG, UTHR
Q1 2026 31$707.3MCF, TNK, LYB, UTHR, WFRD
Q4 2025 31$636.2MHCC, WBD, WFRD, UTHR, CNR
Q3 2025 30$729.0MHPQ, IDCC, DDS, CNR, UTHR
Q2 2025 30$606.2MMU, WBD, KLAC, LRCX, IDCC
Q1 2025Amended 30$600.6MWBD, IDCC, UTHR, CNR, CF
Q4 2024Amended 30$638.0MIDCC, TPL, UTHR, WBD, CF
Q3 2024 29$280.1MBRK.A, UTHR, IDCC, TPL, HCC
Q2 2024 29$273.7MBRK.A, UTHR, LRCX, AMAT, KLAC
Q1 2024 31$260.4MBRK.A, MU, AMAT, KLAC, MPC