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Super Investors WINDWARD CAPITAL MANAGEMENT CO /CA
WC

WINDWARD CAPITAL MANAGEMENT CO /CA

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

Portfolio value
$1.32B
Positions
73
Quarter ended
June 30, 2026
Filed
August 07, 2026

Reported portfolio value by quarter (53 quarters reported)

$1.32B $922K
Q2 13 Q1 16 Q4 18 Q3 21 Q2 24 Q2 26

$264M in Q2 2013 → $1.32B now. Hover for any quarter.

Holdings

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

Holding % of portfolio Activity Shares Value
Apple Inc 16.6% Trimmed 0.6% 759,846 $220M
Alphabet Inc 7.3% Trimmed 1.0% 268,494 $96M
Alphabet Inc 7.2% Trimmed 0.9% 269,380 $95.2M
Amazon Com Inc 6.6% Trimmed 0.9% 366,840 $87.4M
Costco Wholesale Corporation 4.6% Trimmed 0.9% 65,082 $60.9M
Teradyne Inc 3.6% Trimmed 1.0% 97,979 $47.4M
Linde PLC 3.3% Trimmed 0.6% 82,747 $42.9M
MI Marriott Intl Inc New 2.9% Trimmed 0.9% 103,367 $38.3M
Cummins Inc 2.8% Trimmed 0.8% 52,083 $37.1M
Nextera Energy Inc 2.8% Trimmed 0.1% 420,166 $36.9M
Blackrock Inc 2.7% Trimmed 0.4% 37,096 $35.7M
Cvs Health Corp 2.2% Trimmed 0.4% 285,129 $29.5M
D R Horton Inc 2.2% Trimmed 0.6% 176,617 $28.8M
TC Tjx Cos Inc New 2.2% Trimmed 0.8% 187,502 $28.4M
Salesforce Inc 2.1% Trimmed 0.8% 179,899 $28.2M
Lockheed Martin Corp 2.1% Trimmed 0.3% 54,292 $27.7M
Rtx Corporation 1.9% Trimmed 0.5% 132,879 $25.2M
Cme Group Inc 1.9% Trimmed 0.3% 112,320 $24.8M
ST Seagate Technology Hldngs Pl 1.6% Trimmed 39% 22,412 $21.6M
Procter & Gamble Co 1.6% Added 0.0% 143,741 $21.1M
CN Canadian Natl Ry Co 1.5% Trimmed 0.7% 170,467 $20.3M
Pepsico Inc 1.3% Added 0.3% 130,356 $17.7M
Thermo Fisher Scientific Inc 1.2% Trimmed 1.0% 32,004 $16M
DW Disney Walt Co 1.1% Trimmed 1.0% 153,267 $14.8M
AP Accenture PLC Ireland 1.1% Trimmed 0.2% 118,419 $14.7M
Nike Inc 0.9% Trimmed 0.3% 296,085 $12.2M
AH Asml Hldg Nv 0.8% Trimmed 1.0% 5,532 $11M
Carrier Global Corporation 0.8% Trimmed 0.4% 141,815 $10.4M
Welltower Inc 0.7% Added 0.7% 43,385 $9.85M
Zoetis Inc 0.7% Trimmed 0.4% 134,597 $9.67M
Microsoft Corp 0.7% Added 0.8% 25,705 $9.59M
Deere & Co 0.7% Added 0.8% 14,224 $9.02M
Boeing Co 0.7% Trimmed 1.1% 41,670 $9.02M
Walmart Inc 0.6% Added 1.0% 71,988 $8.15M
DE Duke Energy Corp New 0.6% Added 1.3% 64,368 $8.15M
Amgen Inc 0.6% Trimmed 0.7% 20,620 $7.47M
Eaton Corp PLC 0.5% Added 0.7% 16,197 $6.9M
IB International Business Machs 0.5% Added 1.1% 21,778 $6.12M
Corteva Inc 0.5% Trimmed 0.8% 72,214 $6.12M
WM Waste Mgmt Inc Del 0.5% Added 0.8% 27,397 $6.11M
Qnity Electronics Inc 0.5% Trimmed 1.0% 36,793 $6.01M
CN Comcast Corp New 0.5% Trimmed 0.0% 244,699 $6.01M
PM Philip Morris Intl Inc 0.5% Added 1.6% 33,055 $5.98M
Otis Worldwide Corp 0.4% Trimmed 0.2% 73,090 $5.23M
UP Union Pac Corp 0.4% Added 0.9% 18,971 $5.16M
EE Emerson Elec Co 0.4% Added 0.9% 33,744 $4.83M
AD Automatic Data Processing In 0.4% Added 1.2% 20,804 $4.66M
Home Depot Inc 0.3% Added 1.1% 12,535 $4.42M
Merck & Co Inc 0.3% Added 1.1% 26,382 $3.39M
Dupont De Nemours Inc 0.3% New 24,807 $3.36M
AT&T Inc 0.2% Added 1.5% 153,249 $3.17M
Verizon Communications Inc 0.2% Added 1.9% 62,031 $2.63M
Rayonier Inc 0.2% Added 1.6% 121,380 $2.58M
Kimberly-clark Corp 0.2% Added 1.7% 22,110 $2.43M
Weyerhaeuser Co 0.2% Added 1.3% 96,143 $2.3M
Saia Inc 0.1% New 4,495 $1.89M
Pfizer Inc 0.1% Added 2.1% 75,251 $1.81M
LI Lyondellbasell Industries Nv 0.1% Added 1.5% 30,017 $1.58M
DH Dow Hldgs Inc 0.1% Added 1.4% 48,360 $1.32M
IQ Invesco Qqq Tr 0.1% New 1,135 $836K

Showing top 60 of 73 positions.

Timeline of changes

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

Q2 2026

quarter ended June 30, 2026 · filed August 07, 2026

Company Action Shares changed Value of change % of portfolio
ST Seagate Technology Hldngs Pl Trimmed −14,329 −$13.8M 1.6%
Dupont De Nemours Inc Exited −75,105 −$3.44M —
Dupont De Nemours Inc New +24,807 +$3.36M 0.3%
Saia Inc New +4,495 +$1.89M 0.1%
Apple Inc Trimmed −4,572 −$1.32M 16.6%
Alphabet Inc Trimmed −2,587 −$925K 7.3%
Alphabet Inc Trimmed −2,538 −$897K 7.2%
IQ Invesco Qqq Tr New +1,135 +$836K 0.1%
Amazon Com Inc Trimmed −3,301 −$787K 6.6%
SS State Str SPDR S&P 500 ETF T New +1,009 +$753K 0.1%

Showing the 10 largest of 75 changes.

Q1 2026

quarter ended March 31, 2026 · filed May 13, 2026

Company Action Shares changed Value of change % of portfolio
Fiserv Inc Exited −195,936 −$13.2M —
Cme Group Inc Added +28,880 +$8.53M 2.7%
ST Seagate Technology Hldngs Pl Trimmed −15,514 −$6.08M 1.2%
Apple Inc Trimmed −12,259 −$3.11M 15.8%
Pepsico Inc Added +19,258 +$2.99M 1.6%
Potlatchdeltic Corporation Exited −65,059 −$2.59M —
Rayonier Inc New +119,426 +$2.46M 0.2%
Procter & Gamble Co Added +12,514 +$1.81M 1.7%
Amazon Com Inc Trimmed −4,990 −$1.04M 6.3%
Alphabet Inc Trimmed −3,191 −$918K 6.3%

Showing the 10 largest of 74 changes.

Q4 2025

quarter ended December 31, 2025 · filed January 28, 2026

Company Action Shares changed Value of change % of portfolio
Apple Inc Trimmed −28,517 −$7.75M 16.7%
Qnity Electronics Inc New +37,494 +$3.06M 0.2%
Amazon Com Inc Trimmed −12,762 −$2.95M 6.9%
Alphabet Inc Trimmed −9,212 −$2.89M 6.8%
Alphabet Inc Trimmed −9,205 −$2.88M 6.8%
CW Costco Whsl Corp New Trimmed −2,229 −$1.92M 4.5%
Salesforce Inc Trimmed −6,072 −$1.61M 3.8%
Blackrock Inc Trimmed −1,326 −$1.42M 3.2%
Linde PLC Trimmed −3,247 −$1.38M 2.8%
Nextera Energy Inc Trimmed −14,970 −$1.2M 2.7%

Showing the 10 largest of 73 changes.

Q3 2025

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

Company Action Shares changed Value of change % of portfolio
Apple Inc Trimmed −24,650 −$6.28M 16.3%
Amazon Com Inc Trimmed −3,781 −$830K 6.8%
Alphabet Inc Trimmed −2,581 −$629K 5.5%
Alphabet Inc Trimmed −2,580 −$627K 5.5%
CW Costco Whsl Corp New Trimmed −602 −$557K 5.1%
Salesforce Inc Trimmed −1,579 −$374K 3.6%
Linde PLC Trimmed −643 −$305K 3.3%
Blackrock Inc Trimmed −240 −$280K 3.6%
Fiserv Inc Trimmed −1,949 −$251K 2.1%
D R Horton Inc Trimmed −1,434 −$243K 2.5%

Showing the 10 largest of 71 changes.

Q2 2025

quarter ended June 30, 2025 · filed August 12, 2025

Company Action Shares changed Value of change % of portfolio
Apple Inc Trimmed −6,304 −$1.29M 14.4%
Amazon Com Inc Trimmed −2,838 −$623K 7.3%
CW Costco Whsl Corp New Trimmed −431 −$427K 5.8%
Microsoft Corp Trimmed −794 −$395K 1.2%
Linde PLC Trimmed −753 −$353K 3.5%
Alphabet Inc Trimmed −1,698 −$301K 4.3%
Alphabet Inc Trimmed −1,702 −$300K 4.3%
Salesforce Inc Trimmed −1,043 −$284K 4.4%
AP Accenture PLC Ireland Trimmed −872 −$261K 3.1%
Fiserv Inc Trimmed −1,421 −$245K 3.0%

Showing the 10 largest of 71 changes.

Q1 2025

quarter ended March 31, 2025 · filed May 13, 2025

Company Action Shares changed Value of change % of portfolio
Apple Inc Trimmed −174,032 −$38.7M 16.0%
Amazon Com Inc Trimmed −23,657 −$4.5M 6.5%
CW Costco Whsl Corp New Trimmed −2,117 −$2M 5.7%
Alphabet Inc Trimmed −10,985 −$1.7M 3.8%
Alphabet Inc Trimmed −10,286 −$1.61M 3.9%
SS SPDR S&P 500 ETF Tr Exited −2,330 −$1.37M —
IQ Invesco Qqq Tr Exited −2,658 −$1.36M —
Nvidia Corporation Exited −9,530 −$1.28M —
Microsoft Corp Trimmed −2,553 −$958K 0.9%
Roper Technologies Inc Trimmed −1,621 −$956K 0.1%

Showing the 10 largest of 84 changes.

Q4 2024

quarter ended December 31, 2024 · filed January 27, 2025

Company Action Shares changed Value of change % of portfolio
Blackrock Inc New +39,604 +$40.6M 3.1%
Blackrock Inc Exited −39,931 −$37.9M —
Apple Inc Trimmed −14,039 −$3.52M 19.3%
CW Costco Whsl Corp New Trimmed −1,685 −$1.54M 5.0%
Amazon Com Inc Trimmed −6,410 −$1.41M 7.0%
AP Accenture PLC Ireland Trimmed −2,627 −$924K 3.4%
Salesforce Inc Trimmed −2,433 −$813K 5.0%
Alphabet Inc Trimmed −4,001 −$757K 4.3%
Alphabet Inc Trimmed −3,322 −$633K 4.4%
DW Disney Walt Co Trimmed −4,616 −$514K 1.4%

Showing the 10 largest of 74 changes.

Q3 2024

quarter ended September 30, 2024 · filed November 01, 2024

Company Action Shares changed Value of change % of portfolio
Apple Inc Added +48,284 +$11.3M 18.2%
Amazon Com Inc Added +14,593 +$2.72M 6.0%
Intel Corp Exited −58,589 −$1.82M —
SS SPDR S&P 500 ETF Tr New +2,328 +$1.34M 0.1%
IQ Invesco Qqq Tr New +2,658 +$1.3M 0.1%
Nvidia Corporation New +9,530 +$1.16M 0.1%
Microsoft Corp Added +2,411 +$1.04M 1.0%
Roper Technologies Inc Added +1,550 +$862K 0.1%
Alphabet Inc Added +5,121 +$849K 3.8%
Alphabet Inc Added +4,426 +$740K 3.9%

Showing the 10 largest of 85 changes.

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