Peconic Partners LLC

Peconic Partners LLC, managed by William Harnisch, reported 7 positions worth $7.53B in its 2026 Q2 13F filing: 0 new and 2 closed.

Estimated return

Since 2025 Q2 the disclosed positions returned an estimated +193.1% against +34.4% for the S&P 500. Price-only return of the fund's top 100 US longs at each quarter start, vs the S&P 500 over the same windows. Not the fund's actual return (no trades, fees, shorts, derivatives, cash).

QuarterFundS&P 500
2025 Q2+51.2%+11.4%
2025 Q3+13.5%+7.6%
2025 Q4+6.8%+3.1%
2026 Q1+19.5%-5.8%
2026 Q2+33.8%+15.5%

Top holdings, 2026 Q2

TickerCompanyValuePortfolio %Change
PWRQUANTA SCVS INC$3.40B45.20%-5.7%
DYDYCOM INDS INC$2.25B29.90%+8%
MTZMASTEC INC$1.53B20.30%+2.8%
FCXFREEPORT-MCMORAN INC$246.34M3.30%+18.1%
AMCAMC ENTMT HLDGS INC$60.80M0.81%+966.7%
CNKCINEMARK HLDGS INC$38.14M0.51%+200.5%
GOOGLALPHABET INC$643.27K0.00%NO CHANGE

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Source: SEC EDGAR 13F filings, reported as of quarter end and filed up to 45 days later. Not investment advice.