In its 13F for Q2 2026 (holdings as of June 30, 2026, filed August 14, 2026), 140 Summer Partners LP reported 20 stock positions worth $1.2 billion . Its top holding was Viasat (VSAT) at 16.3% of the portfolio, followed by Mastec (MTZ, 9.0% ) and Kodiak Gas Services (KGS, 7.9% ). Compared with Q1 2026, it opened 4 new positions, sold out of 4, added to 5 and reduced 9. The biggest buy was Viasat (VSAT, shares +147% ) and the biggest sale an exit from T-Mobile US (TMUS).
Location New York, NY
CIK 0001820788
Portfolio Value $1.2B (Q2 2026) Holdings 20 stocks · $1.2B Holdings quarter Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024 Q1 2024
Stock % Of Portfolio ▼ Shares Held Total Value Change vs Q1 2026 VSAT Viasat Inc. 2,246,829 $201.8M Add +147.5% MTZ Mastec Inc. 268,168 $111.6M Reduce -18.5% KGS Kodiak Gas Services Inc. 1,302,130 $97.8M Add +0.5% GLPI Gaming and Leisure Propertie 1,863,923 $83.0M No change SGI Somnigroup International Inc. 995,287 $78.0M Add +38.8% VST Vistra Corp. 467,231 $74.1M Reduce -3.2% VIK Viking Holdings Ltd. 680,162 $71.2M Reduce -40.8% COF Capital One Financial Corp. 300,464 $60.3M Reduce -23.4% AER Aercap Holdings NV 399,305 $58.2M Reduce -21.5% HBAN Huntington Bancshares Inc. 2,851,758 $50.6M Reduce -13.4% BTDR Bitdeer Technologies Group-A 3,155,340 $50.1M Add +310.0% CIFR Cipher Digital Inc. 2,031,116 $49.8M New BKD Brookdale Senior Living Inc. 2,941,020 $47.3M Add +2.5% TDS Telephone and Data Systems 968,633 $35.8M Reduce -27.5% NVT Nvent Electric PLC 206,934 $35.1M New PCG P G & E Corp. 2,008,289 $33.8M Reduce -59.3% BOH Bank of Hawaii Corp. filed as BANK HAWAII CORP 389,927 $31.8M Reduce -3.1% AERO Grupo Aeromexico Sab DE CV 1,298,388 $23.4M No change FLS Flowserve Corp. 287,265 $21.3M New BAK Braskem SA Class A- ADR 8,030,124 $19.6M New
Options reported separately and not counted above: PCG calls ($143.8M), DOW puts ($21.9M).
Portfolio Sells Q1 2026 → Q2 2026 Portfolio Sells quarter Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024 Q1 2024
Stock Change vs Q1 2026 % Of Portfolio Change To Portfolio ▲ TMUS T-Mobile US Inc. Sold out 0.00% −7.17 ECHO Echostar Corp. Class A Sold out 0.00% −5.48 PCG P G & E Corp. Reduce -59.3% 2.74% −4.92 JBTM JBT Marel Corp. Sold out 0.00% −3.56 TDS Telephone and Data Systems Reduce -27.5% 2.90% −2.07 VIK Viking Holdings Ltd. Reduce -40.8% 5.77% −1.69 AER Aercap Holdings NV Reduce -21.5% 4.72% −1.45 COF Capital One Financial Corp. Reduce -23.4% 4.88% −1.44 HBAN Huntington Bancshares Inc. Reduce -13.4% 4.10% −0.46 VST Vistra Corp. Reduce -3.2% 6.00% −0.40 MTZ Mastec Inc. Reduce -18.5% 9.04% −0.32 OPTU Optimum Communications Inc. Class A Sold out 0.00% −0.29 BOH Bank of Hawaii Corp. Reduce -3.1% 2.57% −0.06
Portfolio Buys Q1 2026 → Q2 2026 Portfolio Buys quarter Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024 Q1 2024
Stock Change vs Q1 2026 % Of Portfolio Change To Portfolio ▼ VSAT Viasat Inc. Add +147.5% 16.35% +12.67 CIFR Cipher Digital Inc. New 4.03% +4.03 BTDR Bitdeer Technologies Group-A Add +310.0% 4.06% +3.47 NVT Nvent Electric PLC New 2.84% +2.84 FLS Flowserve Corp. New 1.73% +1.73 SGI Somnigroup International Inc. Add +38.8% 6.32% +1.64 BAK Braskem SA Class A- ADR New 1.59% +1.59 KGS Kodiak Gas Services Inc. Add +0.5% 7.92% +1.25 BKD Brookdale Senior Living Inc. Add +2.5% 3.83% +0.37
Options Activity Q1 2026 → Q2 2026 Security Type Change vs Q1 2026 Underlying Shares Value ▼ IWM iShares Russell 2000 ETF put Sold out 1,104,000 $273.8Mbefore exit PCG P G & E Corp. call New 8,552,200 $143.8M UAL United Airlines Holdings Inc. call Sold out 1,362,500 $125.4Mbefore exit GSAT Globalstar Inc. put Sold out 917,500 $60.9Mbefore exit AER Aercap Holdings NV put Sold out 250,000 $34.3Mbefore exit DOW Dow Inc. put New 800,000 $21.9M UWMC Uwm Holdings Corp. call Sold out 2,570,000 $9.3Mbefore exit
Calls and puts are listed by the shares they cover; their value is not part of the stock holdings above.
All Filings Quarter Positions 13F Reported Value Top Holdings Q2 2026 20 $1.2B VSAT, MTZ, KGS, GLPI, SGI Q1 2026 20 $1.1B MTZ, PCG, VIK, GLPI, TMUS Q4 2025 19 $1.3B COF, ECHO, PFSI, WBS, AER Q3 2025 19 $1.1B COF, MTZ, CRH, AER, WBS Q2 2025 13 $772.8M COF, AER, COOP, PGR, VST Q1 2025 14 $740.5M PGR, AER, UNH, TMUS, VST Q4 2024 15 $765.8M PGR, AER, TMUS, COF, COOP Q3 2024 15 $753.8M AER, PGR, WAL, TMUS, CZR Q2 2024 13 $726.0M PGR, AER, CZR, WAL, TMUS Q1 2024 13 $711.8M AER, PGR, WAL, CZR, TMUS