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Super Investors Windmill Hill Asset Management Ltd
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Windmill Hill Asset Management Ltd

Quarterly 13F snapshot: US-listed longs only, no performance figures — 13F data cannot support them.

Portfolio value
$499M
Positions
22
Quarter ended
September 30, 2026
Filed
October 28, 2026

Reported portfolio value by quarter (24 quarters reported)

$499M $139M
Q3 20 Q1 22 Q2 23 Q3 24 Q4 25 Q3 26

$273M in Q3 2020 → $499M now. Hover for any quarter.

Holdings

As reported for the quarter ended September 30, 2026. Activity is the change in share count since the prior quarter's filing.

Holding % of portfolio Activity Shares Value
SS SPDR Series Trust 75.0% Added 11% 5,996,176 $375M
SI SPDR Index Shs Fds 12.7% Added 9.4% 1,206,362 $63.6M
SI SPDR Index Shs Fds 3.5% Added 42% 324,003 $17.4M
GA Ge Aerospace 1.9% Added 7.2% 30,565 $9.55M
Visa Inc 1.5% Added 5.9% 21,267 $7.64M
Alphabet Inc 1.0% Unchanged 14,194 $4.88M
S&P Global Inc 0.8% Trimmed 0.6% 10,114 $3.99M
M Moodys Corp 0.8% Trimmed 24% 8,339 $3.79M
GX Global X Fds 0.7% Unchanged 84,163 $3.35M
Canadian Pacific Kansas City 0.5% Unchanged 28,609 $2.43M
SE Space Exploration Techn Corp 0.3% New 9,904 $1.49M
Freeport Mcmoran Inc 0.2% Unchanged 13,590 $951K
Exxon Mobil Corp 0.2% New 4,811 $783K
VS Vale S A 0.2% Unchanged 55,905 $750K
Blacksky Technology Inc 0.1% Unchanged 34,954 $745K
Cameco Corp 0.1% Unchanged 8,588 $744K
Conocophillips 0.1% Unchanged 5,414 $678K
SL Slb Limited 0.1% Unchanged 12,945 $631K
Mosaic Co 0.1% Unchanged 23,208 $502K
Figma Inc 0.1% Trimmed 30% 20,224 $425K
FT Figure Technology Solutio 0.0% Unchanged 8,334 $240K
MG Mobility Global Inc 0.0% New 10,172 $174K

Timeline of changes

What changed each quarter, from the filings' own share counts. Largest moves first; most recent 8 quarters.

Q3 2026

quarter ended September 30, 2026 · filed October 28, 2026

Company Action Shares changed Value of change % of portfolio
SS SPDR Series Trust Added +570,026 +$35.6M 75.0%
SI SPDR Index Shs Fds Added +103,942 +$5.48M 12.7%
SI SPDR Index Shs Fds Added +96,064 +$5.15M 3.5%
SE Space Exploration Techn Corp New +9,904 +$1.49M 0.3%
M Moodys Corp Trimmed −2,573 −$1.17M 0.8%
Exxon Mobil Corp New +4,811 +$783K 0.2%
Exxon Mobil Corp Exited −4,811 −$658K —
GA Ge Aerospace Added +2,062 +$644K 1.9%
Visa Inc Added +1,192 +$428K 1.5%
BC Brasilagro Companhia Brasile Exited −70,898 −$253K —

Showing the 10 largest of 13 changes.

Q2 2026

quarter ended June 30, 2026 · filed August 10, 2026

Company Action Shares changed Value of change % of portfolio
SS SPDR Series Trust Added +1,393,810 +$85.2M 74.0%
Alphabet Inc Trimmed −5,806 −$2.07M 1.1%
Rocket Lab Corp Exited −22,089 −$1.42M —
GA Ge Aerospace Trimmed −3,227 −$1.21M 2.4%
Microsoft Corp Exited −2,899 −$1.07M —
Blacksky Technology Inc New +34,954 +$976K 0.2%
VC Victory Cap Hldgs Inc Exited −13,329 −$873K —
Figma Inc Added +15,757 +$285K 0.1%
BC Brasilagro Companhia Brasile Trimmed −70,898 −$253K 0.1%
FT Figure Technology Solutio Trimmed −4,167 −$128K 0.1%

Showing the 10 largest of 16 changes.

Q1 2026

quarter ended March 31, 2026 · filed May 06, 2026

Company Action Shares changed Value of change % of portfolio
SS SPDR Ser Tr Trimmed −2,309,535 −$122M 66.7%
SI SPDR Index Shs Fds Added +987,845 +$43.7M 15.2%
Microsoft Corp Trimmed −9,276 −$3.43M 0.3%
S&P Global Inc Added +2,265 +$963K 1.3%
Samsara Inc Exited −22,456 −$796K —
Carvana Co Exited −1,836 −$775K —
Sprinklr Inc Exited −97,318 −$757K —
Alphabet Inc Added +2,419 +$696K 1.8%
M Moodys Corp Added +1,572 +$686K 1.5%
Canadian Pacific Kansas City Trimmed −7,596 −$598K 0.7%

Showing the 10 largest of 13 changes.

Q4 2025

quarter ended December 31, 2025 · filed February 06, 2026

Company Action Shares changed Value of change % of portfolio
SS SPDR Ser Tr Added +409,450 +$23M 83.5%
SI SPDR Index Shs Fds New +227,939 +$11.5M 2.7%
SI SPDR Index Shs Fds New +114,575 +$4.89M 1.1%
Centessa Pharmaceuticals PLC Exited −163,768 −$3.97M —
Carvana Co New +1,836 +$775K 0.2%
Tectonic Therapeutic Inc Exited −40,023 −$628K —
Figma Inc New +13,274 +$496K 0.1%
Cameco Corp Trimmed −2,947 −$270K 0.2%
BC Brasilagro Companhia Brasile Added +70,898 +$254K 0.1%
General Electric Co Trimmed −268 −$82.6K 2.3%

Showing the 10 largest of 16 changes.

Q3 2025

quarter ended September 30, 2025 · filed October 31, 2025

Company Action Shares changed Value of change % of portfolio
RM Robinhood Mkts Inc Exited −70,216 −$6.57M —
Oklo Inc Exited −102,855 −$5.76M —
Visa Inc Added +9,090 +$3.1M 1.8%
Alphabet Inc Trimmed −8,322 −$2.02M 1.1%
Rocket Lab Corp New +22,089 +$1.06M 0.3%
Sprinklr Inc Added +36,471 +$282K 0.2%
Microsoft Corp Added +169 +$87.5K 1.7%
Neumora Therapeutics Inc. Exited −104,373 −$76.5K —
Canadian Pacific Kansas City Trimmed −505 −$37.6K 0.7%
VC Victory Cap Hldgs Inc Trimmed −573 −$37.1K 0.2%

Showing the 10 largest of 11 changes.

Q2 2025

quarter ended June 30, 2025 · filed July 28, 2025

Company Action Shares changed Value of change % of portfolio
Maplebear Inc Exited −95,570 −$3.81M —
Reddit Inc Exited −18,078 −$1.9M —
GX Global X Fds Trimmed −40,000 −$1.55M 0.9%
S&P Global Inc Added +1,160 +$612K 1.2%
Centessa Pharmaceuticals PLC Added +45,855 +$603K 0.6%
Sprinklr Inc New +60,847 +$515K 0.1%
Samsara Inc Added +12,107 +$482K 0.2%
Doordash Inc New +1,565 +$386K 0.1%
General Electric Co Trimmed −463 −$119K 2.3%

Q1 2025

quarter ended March 31, 2025 · filed May 07, 2025

Company Action Shares changed Value of change % of portfolio
SS SPDR Ser Tr Added +686,685 +$31.4M 84.0%
RM Robinhood Mkts Inc Added +56,996 +$2.37M 0.9%
Alphabet Inc Trimmed −13,453 −$2.28M 1.4%
Centessa Pharmaceuticals PLC New +117,913 +$1.7M 0.5%
Coinbase Global Inc Exited −4,515 −$1.12M —
Unity Software Inc Exited −40,129 −$902K —
Microsoft Corp Added +2,169 +$814K 1.4%
Oklo Inc Added +33,329 +$721K 0.7%
Tectonic Therapeutic Inc New +40,023 +$709K 0.2%
GX Global X Fds Trimmed −11,570 −$265K 0.9%

Showing the 10 largest of 20 changes.

Q4 2024

quarter ended December 31, 2024 · filed February 26, 2025

Company Action Shares changed Value of change % of portfolio
SS SPDR Ser Tr Added +2,450,620 +$118M 82.7%
GX Global X Fds Trimmed −93,500 −$2.5M 1.2%
Alphabet Inc Trimmed −9,548 −$1.81M 2.4%
Oklo Inc New +69,526 +$1.48M 0.5%
Cameco Corp Trimmed −19,604 −$1.01M 0.2%
VC Victory Cap Hldgs Inc New +13,902 +$910K 0.3%
Neumora Therapeutics Inc. Added +78,252 +$829K 0.4%
Microsoft Corp Added +1,478 +$623K 1.4%
Visa Inc Trimmed −1,756 −$555K 1.2%
RM Robinhood Mkts Inc New +13,220 +$493K 0.2%

Showing the 10 largest of 23 changes.

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