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Windmill Hill Asset Management Ltd — 13F Holdings & Portfolio

CIK 1831132 · latest 13F-HR filed 2026-08-10

Backtest portfolio

Windmill Hill Asset Management Ltd manages $448.1M in 13F-reported U.S. long-equity assets across 21 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are SPYX (73.99%), EEMX (13.32%), EFAX (2.75%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 1 new position and exited 3; 7 existing positions rose in reported value and 11 fell.

AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.

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AUM
$448.1M

Long-equity book

Holdings
21

Distinct positions

Period
2026-06-30

Filed 2026-08-10

Q/Q Activity
+1 / −3 / ↑7 / ↓11

vs 2026-03-31

Portfolio charts

Latest quarter's book, what changed, and how the portfolio has evolved across filings.

Portfolio map

Q2 26
SPYX74.0% · +35%EEMX13.3% · 0%EFAX2.8% · 0%GE2.4% · -10%V1.5% · 0%GOOGL1.1% · -29%MCO1.1% · 0%SPGI0.9% · 0%URA0.8% · 0%CP0.6% · 0%BKSY0.2% · newCCJ0.2% · -8%FCX0.2% · -10%VALE0.2% · -9%XOM0.1% · -9%SLB0.1% · -9%COP0.1% · -9%FIG0.1% · +119%MOS0.1% · 0%FIGR0.1% · -33%LND0.1% · -50%

Box size = position value; colour = change in share count vs the prior quarter (green added, red trimmed, blue new). Rows split across managers or share classes are combined. Click a box for the stock.

Sector mix

% of 13F value

Sectors from each company's SIC code; funds and ETFs grouped separately.

Biggest buys and sells

Q1 26 → Q2 26

Estimated from the change in shares held × the quarter-end price, so price moves alone don't count as buying. New and exited positions are included.

13F assets and positions

3 quarters

Total reported 13F value (bars) and number of positions (line) each quarter. Value changes include market moves.

Top positions over time

reported value

The eight largest current positions, valued at each quarter end.

Concentration

top 10 = 98.5%

Cumulative share of the portfolio held in the largest N positions.

Firm Profile & Key People

As of the firm’s regulatory filing dated Mar 18, 2015.

Assets Under Management
$3.24B
Discretionary
$3.24B
Employees
24
Accounts
11
Address
WINDMILL HILL, SILK STREET
WADDESDON HP18 0JZ
United Kingdom
Phone
0044-203-588-1807
Name Title / Status Ownership Type
ARMSTRONG, CRAIG, CHRISTIAN ControlINVESTMENT DIRECTOR
since Mar 2007
Less than 5%Individual
BENNETT, ADAM, EDWARD SPENCER ControlCHIEF COMPLIANCE OFFICER
since Apr 2009
Less than 5%Individual
FADLUN, DANIEL ControlINVESTMENT DIRECTOR
since Nov 2013
Less than 5%Individual
FONDATION BERMA ControlSHAREHOLDER
since May 2013
75% or moreForeign Entity
ROTHSCHILD, NATHANIEL, CHARLES JACOB ControlCHAIRMAN
since Nov 1999
Less than 5%Individual
TABBOUCHE, RON, YEDIDIA ControlINVESTMENT DIRECTOR
since Jul 2013
Less than 5%Individual
THE ROTHSCHILD FOUNDATION ControlSHAREHOLDER
since May 2013
10–25%Foreign Entity
FERRAR, LESLIE, JANEDIRECTOR
since Jan 2013
Less than 5%Individual
GOODLAD, MAGNUS, JAMESDIRECTOR
since Nov 2014
Less than 5%Individual
KESTENBAUM, JONATHAN, ANDREWDIRECTOR
since Jan 2013
Less than 5%Individual
RAEBURN, DENIS, GRAHAMDEPUTY CHAIRMAN
since Sep 2013
Less than 5%Individual
ROTHSCHILD FOUNDATION (HANADIV) EUROPESHAREHOLDER
since May 2013
5–10%Foreign Entity
ROTHSCHILD, HANNAH, MARYDIRECTOR
since Jan 2013
Less than 5%Individual
Ownership & leadership changes · 4 filings with changes since Sep 11, 2013

From the firm’s regulatory filings, newest first. Dates are filing dates: a filing that no longer lists someone does not say when they left.

Dec 8, 2014 filing
  • AddedGOODLAD, MAGNUS, JAMES · DIRECTOR · Less than 5%
  • ChangedRAEBURN, DENIS, GRAHAM · title EXECUTIVE DEPUTY CHAIRMAN → DEPUTY CHAIRMAN; no longer a control person
May 30, 2014 filing
  • No longer listedMURAIDEKH, ELI, SEAN · INVESTMENT DIRECTOR · Less than 5% · control person · listed since Jan 2013
Mar 27, 2014 filing
  • ChangedTABBOUCHE, RON, YEDIDIA · title PORTFOLIO MANAGER → INVESTMENT DIRECTOR
Nov 21, 2013 filing
  • AddedFADLUN, DANIEL · INVESTMENT DIRECTOR · Less than 5% · control person
Sep 11, 2013 filing (earliest on record)
  • ListedARMSTRONG, CRAIG, CHRISTIAN · INVESTMENT DIRECTOR · Less than 5% · control person
  • ListedBENNETT, ADAM, EDWARD SPENCER · CHIEF COMPLIANCE OFFICER · Less than 5% · control person
  • ListedFERRAR, LESLIE, JANE · DIRECTOR · Less than 5%
  • ListedFONDATION BERMA · SHAREHOLDER · 75% or more · control person
  • ListedKESTENBAUM, JONATHAN, ANDREW · DIRECTOR · Less than 5%
  • ListedMURAIDEKH, ELI, SEAN · INVESTMENT DIRECTOR · Less than 5% · control person
  • ListedRAEBURN, DENIS, GRAHAM · EXECUTIVE DEPUTY CHAIRMAN · Less than 5% · control person
  • ListedROTHSCHILD FOUNDATION (HANADIV) EUROPE · SHAREHOLDER · 5–10%
  • ListedROTHSCHILD, HANNAH, MARY · DIRECTOR · Less than 5%
  • ListedROTHSCHILD, NATHANIEL, CHARLES JACOB · CHAIRMAN · Less than 5% · control person
  • ListedTABBOUCHE, RON, YEDIDIA · PORTFOLIO MANAGER · Less than 5% · control person
  • ListedTHE ROTHSCHILD FOUNDATION · SHAREHOLDER · 10–25% · control person

Quarter-over-quarter changes

Changes in reported position value vs the prior 13F, so price moves count too, not just shares bought or sold.

Top Adds (vs prior quarter)

Show all 7 →

Top Trims

Show all 11 →

New Positions

Show all 1 →

Exited Positions

Show all 3 →

Windmill Hill Asset Management Ltd Holdings (2026-06-30)

Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).

# Issuer Symbol CUSIP Value Weight Shares Type
1 SPDR SERIES TRUST SPYX 78468R796 $331.5M 73.99% 5,426,150 SH
2 SPDR INDEX SHS FDS EEMX 78470E205 $59.7M 13.32% 1,102,420 SH
3 SPDR INDEX SHS FDS EFAX 78470E106 $12.3M 2.75% 227,939 SH
4 GE AEROSPACE GE 369604301 $10.7M 2.38% 28,503 SH
5 VISA INC V 92826C839 $6.9M 1.54% 20,075 SH
6 ALPHABET INC GOOGL 02079K305 $5.1M 1.13% 14,194 SH
7 MOODYS CORP MCO 615369105 $4.9M 1.10% 10,912 SH
8 S&P GLOBAL INC SPGI 78409V104 $3.9M 0.87% 10,172 SH
9 GLOBAL X FDS URA 37954Y871 $3.7M 0.82% 84,163 SH
10 CANADIAN PACIFIC KANSAS CITY CP 13646K108 $2.5M 0.55% 28,609 SH
11 BLACKSKY TECHNOLOGY INC BKSY 09263B207 $975.9K 0.22% 34,954 SH
12 CAMECO CORP CCJ 13321L108 $874.8K 0.20% 8,588 SH
13 FREEPORT MCMORAN INC FCX 35671D857 $854.7K 0.19% 13,590 SH
14 VALE S A VALE 91912E105 $840.8K 0.19% 55,905 SH
15 EXXON MOBIL CORP XOM 30231G102 $657.8K 0.15% 4,811 SH
16 SLB LIMITED SLB 806857108 $601.8K 0.13% 12,945 SH
17 CONOCOPHILLIPS COP 20825C104 $562.8K 0.13% 5,414 SH
18 FIGMA INC FIG 316841105 $525.2K 0.12% 29,031 SH
19 MOSAIC CO MOS 61945C103 $491.8K 0.11% 23,208 SH
20 FIGURE TECHNOLOGY SOLUTIO FIGR 349381103 $255.9K 0.06% 8,334 SH
21 BRASILAGRO COMPANHIA BRASILE LND 10554B104 $253.1K 0.06% 70,898 SH
Filing History
Period Filed AUM Holdings Accession
2026-06-30 2026-08-10 $448.1M 21 0001831132-26-000003
2026-03-31 2026-05-06 $320.7M 23 0001831132-26-000002
2025-12-31 2026-02-06 $426.9M 26 0001831132-26-000001
Filer Information
Address
WINDMILL HILL
SILK STREET
WADDESDON, X0 HP18 0JZ
Phone
0044203 815 3080
Filing Manager
Windmill Hill Asset Management Ltd
WADDESDON, X0
Signatory
Edward Potter
Finance Director