DOSSIER · 13F-HR · Q1 2026

Castle Hook Partners LP

Castle Hook's family office based in Boston, MA $23.4B in tracked AUM across 50 positions as of Q1 2026.

CH
Castle Hook·Boston, MA·Family Office
CIK 0001687241 · last filed Mar 31, 2026
Total AUM
$23.4B
13.4%
vs prior
Holdings
50
positions
Whale Score
85
85
top tier
Activity
no data
changes this Q
Top sector
Tech
26% weight
concentration
AI Analysis · Q1 2026 · Q1 2026

Comprehensive Analysis of Castle Hook Partners LP 13F Filing (Q3 2025)

1. Portfolio Overview

Castle Hook Partners LP has executed a significant portfolio restructuring during the quarter ending September 30, 2025. The total portfolio value contracted by 21.4%, decreasing from $17.60 billion to $13.84 billion. This reduction in assets under management (AUM) is likely driven by a combination of active deleveraging, profit-taking, and a strategic pivot away from broad market exposure. The ...

Quarter at a glance — Q1 2026

Position-change comparison pending.

No quarter-over-quarter changes available.

Top 10 holdings

By portfolio weight as of Q1 2026.

#HoldingValueSharesWeight
01
SPY
STATE STR SPRD S&P 500 ETF T
$10.8B166K46.0%
02
GLD
SPDR GOLD TR
$6.0B138K25.4%
03
UAL
UNITED AIRLS HLDGS INC
$1.2B126K4.9%
04
NTRA
NATERA INC
$506M2.5M2.2%
05
DAL
DELTA AIR LINES INC
$488M73K2.1%
06
FIX
COMFORT SYS USA INC
$288M209K1.2%
07
EQIX
EQUINIX INC
$259M264K1.1%
08
RTX
RTX CORPORATION
$248M1.3M1.1%
09
WMT
WALMART INC
$243M2.0M1.0%
10
WDC
WESTERN DIGITAL CORP
$238M879K1.0%

Filing history

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