DOSSIER · 13F-HR · Q4 2025

PECONIC PARTNERS LLC

PECONIC's family office based in Stamford, CT — $4.2B in tracked AUM across 15 positions as of Q4 2025.

P

PECONIC·Stamford, CT·Family Office

CIK 0001050464 · last filed Dec 31, 2025

Total AUM

$4.2B

▼ 4.1%

vs prior

Holdings

15

—

positions

Whale Score

77

77

strong

Activity

—

no data

changes this Q

Top sector

Tech

5% weight

concentration

AI Analysis · Q4 2025 · Q4 2025

Portfolio Overview

The filing for Peconic Partners LLC for the period ending September 30, 2025, reveals a radical transformation in the firm's portfolio structure. The total portfolio value plummeted by approximately 95.6%, declining from $3.12 billion in the previous quarter to $137.56 million. This drastic reduction in assets under management (AUM) reported in the 13F suggests a significant structural event, such as a large client redemption, a fund spin-off, or a strateg...

Quarter at a glance — Q4 2025

Position-change comparison pending.

No quarter-over-quarter changes available.

Top 10 holdings

By portfolio weight as of Q4 2025.

#HoldingValueSharesWeight

01

QUANTA SCVS INC

$2.1B5.0M50.2%

02

DYCOM INDS INC

$1.4B4.1M33.0%

03

MASTEC INC

$348M1.6M8.3%

04

FREEPORT-MCMORAN INC

$102M2.0M2.4%

05

FIRST SOLAR INC

$77M295K1.8%

06

AMAZON COM INC

$70M304K1.7%

07

EQT CORP

$31M580K0.7%

08

RANGE RES CORP

$28M800K0.7%

09

DEVON ENERGY CORP NEW

$11M300K0.3%

10

COTERRA ENERGY INC

$11M400K0.3%

Filing history

Filing history loading…