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Super Investors LATHROP INVESTMENT MANAGEMENT CO
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LATHROP INVESTMENT MANAGEMENT CO

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

Portfolio value
$565M
Positions
89
Quarter ended
June 30, 2026
Filed
August 10, 2026

Reported portfolio value by quarter (53 quarters reported)

$653M $197M
Q2 13 Q1 16 Q4 18 Q3 21 Q2 24 Q2 26

$197M in Q2 2013 → $565M 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
WS Wal-mart Stores Inc 4.4% Trimmed 2.6% 217,908 $24.7M
Cisco Systems Inc 4.3% Trimmed 6.0% 207,404 $24.4M
Analog Devices Inc 4.1% Trimmed 10.0% 59,030 $23.4M
Apple Inc 3.6% Trimmed 0.4% 69,721 $20.2M
Rtx Corp 3.5% Trimmed 0.4% 103,942 $19.7M
Labcorp Holdings Inc 3.4% Trimmed 2.4% 67,700 $19M
KM Kinder Morgan Inc P 3.3% Trimmed 2.9% 590,011 $18.9M
Microsoft Corp 3.3% Added 0.3% 49,685 $18.5M
Johnson Controls International PLC 3.2% Trimmed 4.8% 125,096 $18.3M
AB Acuity Brands Inc 3.2% Trimmed 0.8% 48,156 $18.1M
Kirby Corp 3.1% Trimmed 1.1% 128,880 $17.5M
Martin Marietta Materials Inc 3.0% Trimmed 2.0% 29,198 $16.8M
Charles Schwab Corp 3.0% Trimmed 0.1% 182,238 $16.8M
Teradyne Inc 2.9% Trimmed 20% 34,270 $16.6M
Jacobs Solutions Inc 2.9% Added 2.2% 128,042 $16.1M
Thermo Fisher Scientific Inc 2.7% Trimmed 0.0% 30,756 $15.4M
Exxon Mobil Corp 2.7% New 112,053 $15.3M
Stryker Corp 2.4% Added 0.5% 43,630 $13.7M
Markel Group Inc 2.4% Trimmed 1.8% 6,919 $13.5M
Jpmorgan Chase & Co 2.4% Trimmed 1.6% 40,610 $13.3M
Illinois Tool Works Inc 2.3% Trimmed 2.2% 47,214 $12.8M
The Home Depot Inc 2.3% Added 1.9% 36,073 $12.7M
Walt Disney Co 2.2% Added 1.5% 127,420 $12.3M
Sony Group Corp 2.2% Added 3.0% 608,661 $12.2M
A Alcon Inc 2.1% Trimmed 1.0% 175,035 $11.7M
S Schlumberger Ltd 1.9% Added 3.0% 234,232 $10.9M
GA Ge Aerospace 1.8% Trimmed 0.2% 27,095 $10.1M
Cvs Health Corp 1.8% Added 20% 97,471 $10.1M
International Business Machines Corp 1.7% Trimmed 9.2% 34,076 $9.58M
SU Schwab Us Aggregate Bond ETF 1.6% Added 2.6% 379,697 $8.78M
Oracle Corp 1.4% Trimmed 2.4% 53,147 $7.79M
AS Adobe Systems Inc 1.0% Added 1.3% 28,720 $5.89M
Amazon.com Inc 1.0% Added 349% 24,296 $5.79M
BH Berkshire Hathaway Inc B 0.9% Trimmed 0.2% 10,098 $5.05M
SU Schwab Us Mid-cap ETF 0.9% Trimmed 0.5% 136,608 $5.04M
Danaher Corp 0.9% Trimmed 11% 25,798 $4.91M
Marsh & Mclennan Companies Inc 0.8% Trimmed 15% 27,279 $4.55M
NB Nike Inc B 0.8% Added 0.1% 110,626 $4.54M
Lam Research Corp 0.8% Unchanged 10,338 $4.48M
Freeport-mcmoran Inc 0.8% New 68,593 $4.31M
Nvidia Corp 0.7% Trimmed 0.2% 20,518 $4.11M
Palo Alto Networks Inc 0.6% Unchanged 10,223 $3.49M
Cullen/frost Bankers Inc 0.6% Trimmed 1.8% 22,309 $3.45M
AP Accenture PLC A 0.4% Added 0.3% 18,280 $2.28M
Rush Enterprises Inc 0.3% New 24,526 $1.79M
BH Berkshire Hathaway Inc A 0.3% Unchanged 2 $1.5M
IS Invesco S&P 500 Equal Weight ETF 0.3% Added 6.7% 6,676 $1.42M
SU Schwab Us Large-cap ETF 0.3% Added 0.2% 48,069 $1.42M
Johnson & Johnson 0.2% Unchanged 4,535 $1.15M
Eli Lilly And Co 0.2% Trimmed 9.5% 948 $1.14M
Abbvie Inc 0.2% Unchanged 4,355 $1.1M
Coca-cola Co 0.2% Trimmed 0.0% 12,684 $1.03M
UP United Parcel Service Inc Class B 0.2% Trimmed 80% 9,430 $1.01M
Arista Networks Inc 0.2% Unchanged 5,513 $937K
AA Alphabet Inc A 0.2% Trimmed 2.9% 2,613 $934K
Bank Of America Corporation 0.2% Trimmed 0.6% 15,502 $883K
AC Alphabet Inc C 0.1% Trimmed 5.6% 2,330 $823K
JH Jb Hunt Transport Services Inc 0.1% Trimmed 1.5% 2,703 $782K
Merck & Co Inc 0.1% Unchanged 5,866 $754K
Southern Co 0.1% Trimmed 0.5% 7,091 $679K

Showing top 60 of 89 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 10, 2026

Company Action Shares changed Value of change % of portfolio
Exxon Mobil Corp Exited −114,521 −$19.4M —
Exxon Mobil Corp New +112,053 +$15.3M 2.7%
Amazon.com Inc Added +18,882 +$4.5M 1.0%
Freeport-mcmoran Inc New +68,593 +$4.31M 0.8%
Teradyne Inc Trimmed −8,612 −$4.17M 2.9%
UP United Parcel Service Inc Class B Trimmed −37,722 −$4.06M 0.2%
Analog Devices Inc Trimmed −6,551 −$2.6M 4.1%
Rush Enterprises Inc New +24,526 +$1.79M 0.3%
Cvs Health Corp Added +16,487 +$1.71M 1.8%
Cisco Systems Inc Trimmed −13,315 −$1.56M 4.3%

Showing the 10 largest of 70 changes.

Q1 2026

quarter ended March 31, 2026 · filed May 12, 2026

Company Action Shares changed Value of change % of portfolio
WS Wal-mart Stores Inc Trimmed −25,912 −$3.22M 5.2%
SU Schwab Us Aggregate Bond ETF Added +138,498 +$3.22M 1.6%
Teradyne Inc Trimmed −9,113 −$2.7M 2.4%
Cvs Health Corp Trimmed −32,389 −$2.33M 1.1%
S Schlumberger Ltd Added +40,769 +$2.1M 2.2%
Rtx Corp Trimmed −9,508 −$1.83M 3.8%
Lam Research Corp Trimmed −6,402 −$1.37M 0.4%
A Alcon Inc Added +12,802 +$965K 2.5%
KM Kinder Morgan Inc P Trimmed −26,006 −$872K 3.8%
Exxon Mobil Corp Added +4,535 +$769K 3.6%

Showing the 10 largest of 67 changes.

Q4 2025

quarter ended December 31, 2025 · filed February 09, 2026

Company Action Shares changed Value of change % of portfolio
SU Schwab Us Aggregate Bond ETF Added +128,825 +$3.01M 1.0%
WS Wal-mart Stores Inc Trimmed −9,036 −$1.01M 5.0%
Teradyne Inc Trimmed −3,911 −$757K 1.8%
Danaher Corp Added +3,112 +$712K 1.2%
Marsh & Mclennan Companies Inc Trimmed −3,786 −$702K 1.0%
Rtx Corp Trimmed −3,549 −$651K 3.8%
Johnson Controls International PLC Trimmed −4,691 −$562K 2.9%
International Business Machines Corp Trimmed −1,664 −$493K 2.1%
AB Acuity Brands Inc Trimmed −1,336 −$481K 3.2%
Cisco Systems Inc Trimmed −5,891 −$454K 3.1%

Showing the 10 largest of 74 changes.

Q3 2025

quarter ended September 30, 2025 · filed November 12, 2025

Company Action Shares changed Value of change % of portfolio
O- Olo Inc - Class A Exited −332,041 −$2.96M —
Cvs Health Corp Added +26,966 +$2.03M 1.6%
Oracle Corp Trimmed −6,163 −$1.73M 2.8%
WS Wal-mart Stores Inc Trimmed −15,835 −$1.63M 4.9%
Johnson Controls International PLC Trimmed −9,141 −$1.01M 2.8%
A Alcon Inc Trimmed −12,064 −$899K 2.3%
Rtx Corp Trimmed −4,473 −$748K 3.6%
Cullen/frost Bankers Inc Trimmed −5,882 −$746K 0.7%
Kirby Corp Trimmed −8,217 −$686K 2.0%
Illinois Tool Works Inc Trimmed −2,510 −$654K 2.4%

Showing the 10 largest of 68 changes.

Q2 2025

quarter ended June 30, 2025 · filed August 04, 2025

Company Action Shares changed Value of change % of portfolio
Jpmorgan Chase & Co Added +32,224 +$9.34M 2.1%
Marsh & Mclennan Companies Inc New +35,463 +$7.75M 1.5%
Cullen/frost Bankers Inc Trimmed −50,112 −$6.44M 0.8%
Charles River Laboratories International Inc Exited −26,288 −$3.96M —
Apple Inc Trimmed −17,804 −$3.65M 2.7%
Lam Research Corp Trimmed −32,611 −$3.17M 0.3%
Triumph Group Inc Exited −107,409 −$2.72M —
Illinois Tool Works Inc Trimmed −6,926 −$1.71M 2.4%
AB Acuity Brands Inc Trimmed −5,515 −$1.65M 2.9%
Teradyne Inc Trimmed −15,232 −$1.37M 1.0%

Showing the 10 largest of 69 changes.

Q1 2025

quarter ended March 31, 2025 · filed May 12, 2025

Company Action Shares changed Value of change % of portfolio
WS Wal-mart Stores Inc Trimmed −24,904 −$2.19M 4.9%
Microsoft Corp Trimmed −4,308 −$1.62M 4.1%
BH Berkshire Hathaway Inc A New +2 +$1.6M 0.3%
BH Berkshire Hat A 100th Exited −200 −$1.36M —
Cisco Systems Inc Added +21,437 +$1.32M 3.0%
Danaher Corp Trimmed −6,058 −$1.24M 0.9%
International Business Machines Corp Added +4,452 +$1.11M 2.0%
Walt Disney Co Added +11,099 +$1.1M 2.5%
Analog Devices Inc Trimmed −5,134 −$1.04M 2.8%
Kirby Corp Trimmed −9,744 −$984K 2.9%

Showing the 10 largest of 70 changes.

Q4 2024

quarter ended December 31, 2024 · filed February 14, 2025

Company Action Shares changed Value of change % of portfolio
Sony Group Corp Added +511,921 +$10.8M 2.6%
Lam Research Corp Added +48,290 +$3.49M 0.7%
SU Schwab Us Mid-cap ETF Added +118,439 +$3.28M 1.0%
Apple Inc Trimmed −5,880 −$1.47M 4.3%
WS Wal-mart Stores Inc Trimmed −15,969 −$1.44M 5.3%
Arista Networks Inc New +9,160 +$1.01M 0.2%
SU Schwab Us Aggregate Bond ETF Added +42,548 +$966K 0.3%
Amentum Holdings Inc Trimmed −43,125 −$907K 0.3%
Arista Networks Inc Exited −2,285 −$877K —
Palo Alto Networks Inc Added +4,561 +$830K 0.3%

Showing the 10 largest of 78 changes.

Q3 2024

quarter ended September 30, 2024 · filed November 12, 2024

Company Action Shares changed Value of change % of portfolio
Lam Research Corp Exited −6,113 −$6.51M —
Lam Research Corp New +5,940 +$4.85M 0.9%
Amentum Holdings Inc New +127,169 +$4.1M 0.8%
Teradyne Inc Trimmed −9,748 −$1.31M 2.0%
Charles River Laboratories International Inc Trimmed −4,874 −$960K 0.9%
Nvidia Corp Trimmed −7,328 −$890K 0.5%
Danaher Corp Added +3,125 +$869K 1.3%
Kirby Corp Trimmed −5,581 −$683K 3.6%
WS Wal-mart Stores Inc Trimmed −7,849 −$634K 4.9%
Martin Marietta Materials Inc Trimmed −903 −$486K 3.5%

Showing the 10 largest of 71 changes.

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