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Super Investors Auto-Owners Insurance Co
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Auto-Owners Insurance Co

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

Portfolio value
$3.2B
Positions
78
Quarter ended
September 30, 2026
Filed
October 15, 2026

Reported portfolio value by quarter (16 quarters reported)

$4.78B $2.74B
Q4 22 Q4 23 Q4 24 Q4 25 Q3 26

$2.74B in Q4 2022 → $3.2B 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
SI SPDR Index Shs Fds 18.0% Trimmed 25% 11,452,145 $575M
IT Ishares Tr 11.3% Trimmed 29% 2,165,694 $360M
IT Ishares Tr 7.4% Trimmed 25% 2,973,500 $235M
SS SPDR Series Trust 5.2% Trimmed 66% 431,750 $165M
SS Schwab Strategic Tr 4.5% Unchanged 2,703,000 $145M
IT Ishares Tr 4.3% Trimmed 37% 1,522,000 $136M
BH Berkshire Hathaway Inc Del 3.6% Unchanged 156 $117M
VW Vanguard Whitehall Fds 3.5% Unchanged 724,200 $112M
IT Ishares Tr 3.0% Unchanged 864,000 $95.6M
SS SPDR Series Trust 2.9% Added 0.5% 2,059,700 $93.5M
Meta Platforms Inc 2.6% Trimmed 14% 116,813 $84.7M
VI Vanguard Index Fds 2.4% Added 6.5% 265,128 $75.4M
Alphabet Inc 2.3% Trimmed 52% 219,974 $75M
VT Vanguard Tax-managed Fds 2.3% Unchanged 1,045,750 $73.8M
Amazon Com Inc 2.1% Trimmed 25% 268,463 $66.9M
SS SPDR Series Trust 2.0% Unchanged 1,040,000 $65.6M
Johnson & Johnson 1.9% Trimmed 25% 227,662 $60.3M
Microsoft Corp 1.7% Trimmed 3.4% 103,281 $53M
DH Dow Hldgs Inc 1.4% Unchanged 1,611,000 $44.4M
Pepsico Inc 1.3% Unchanged 329,278 $41.7M
IT Ishares Tr 1.2% Unchanged 514,500 $38.8M
Polaris Inc 1.2% Trimmed 31% 715,000 $37.3M
EP Enterprise Prods Partners L 1.1% Unchanged 1,000,000 $35.6M
BD Becton Dickinson & Co 1.0% Unchanged 182,355 $32.6M
BO Blue Owl Technology Fin Corp 0.9% Unchanged 3,083,763 $30.3M
VI Vanguard Intl Equity Index F 0.9% Trimmed 61% 505,216 $30M
VW Vanguard World Fd 0.9% Unchanged 80,700 $29.6M
Ge Vernova Inc 0.9% Unchanged 30,383 $28.9M
GA Ge Aerospace 0.9% Trimmed 26% 89,536 $28M
BI Baxter Intl Inc 0.8% Unchanged 1,050,000 $25.2M
SS Select Sector SPDR Tr 0.7% Unchanged 584,048 $23.9M
GH Ge Healthcare Technologies I 0.7% Unchanged 353,051 $23.1M
I Ishares Inc 0.5% Trimmed 44% 200,000 $16.2M
Carnival Corp Ltd 0.5% New 650,000 $16M
Kraft Heinz Co 0.4% Unchanged 525,731 $11.9M
ER Equity Residential 0.3% New 181,545 $11M
Amerisafe Inc 0.3% Unchanged 426,900 $10.1M
3m Co 0.2% Trimmed 18% 47,990 $7.88M
VI Vanguard Index Fds 0.2% Unchanged 21,000 $7.86M
I Ishares Inc 0.2% Trimmed 64% 180,000 $6.12M
Honda Motor Co Ltd 0.2% Unchanged 168,150 $5.31M
Rtx Corporation 0.2% Trimmed 31% 27,900 $5.18M
IT Ishares Tr 0.2% Added 10% 57,700 $4.87M
BH Berkshire Hathaway Inc Del 0.1% Trimmed 0.4% 9,619 $4.79M
Fmc Corp 0.1% Unchanged 450,000 $4.01M
Coca Cola Co 0.1% Unchanged 43,700 $3.76M
Novartis Ag 0.1% Trimmed 22% 26,347 $3.76M
Procter & Gamble Co 0.1% Unchanged 24,769 $3.6M
IT Ishares Tr 0.1% Unchanged 119,000 $3.33M
MI Msc Indl Direct Inc 0.1% Unchanged 26,500 $3.28M
CS Cisco Sys Inc 0.1% Trimmed 95% 26,863 $2.89M
Thermo Fisher Scientific Inc 0.1% Unchanged 4,190 $2.83M
AM Applied Matls Inc 0.1% Trimmed 17% 5,014 $2.56M
Stryker Corporation 0.1% Trimmed 3.5% 8,000 $2.2M
Apple Inc 0.1% Trimmed 59% 6,128 $2.04M
Zimmer Biomet Holdings Inc 0.1% Unchanged 22,350 $1.99M
Linde PLC 0.0% Trimmed 0.4% 3,100 $1.47M
Blackrock Inc 0.0% Unchanged 1,200 $1.27M
UP United Parcel Svcs Inc 0.0% Unchanged 12,300 $1.15M
PF Pnc Finl Svcs Group Inc 0.0% Unchanged 5,000 $1.11M

Showing top 60 of 78 positions.

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 15, 2026

Company Action Shares changed Value of change % of portfolio
SS SPDR Series Trust Trimmed −855,750 −$327M 5.2%
SI SPDR Index Shs Fds Trimmed −3,778,521 −$190M 18.0%
IT Ishares Tr Trimmed −872,080 −$145M 11.3%
Alphabet Inc Trimmed −242,567 −$82.7M 2.3%
IT Ishares Tr Trimmed −890,000 −$79.6M 4.3%
IT Ishares Tr Trimmed −989,500 −$78.3M 7.4%
CS Cisco Sys Inc Trimmed −562,453 −$60.5M 0.1%
VI Vanguard Intl Equity Index F Trimmed −805,500 −$47.8M 0.9%
UB Us Bancorp Exited −625,000 −$37.8M —
Qnity Electronics Inc Trimmed −198,688 −$25M —

Showing the 10 largest of 55 changes.

Q2 2026

quarter ended June 30, 2026 · filed July 15, 2026

Company Action Shares changed Value of change % of portfolio
SI SPDR Index Shs Fds Trimmed −4,407,000 −$222M 17.3%
IT Ishares Tr Trimmed −557,570 −$91.6M 11.3%
SS SPDR Series Trust Trimmed −169,100 −$66.1M 11.4%
IT Ishares Tr Trimmed −490,000 −$54M 2.2%
SS Schwab Strategic Tr Trimmed −937,000 −$49.4M 3.2%
VW Vanguard Whitehall Fds Trimmed −311,500 −$49.2M 2.6%
IT Ishares Tr Trimmed −625,000 −$47.8M 6.8%
Alphabet Inc Trimmed −110,504 −$39M 3.7%
GA Ge Aerospace Trimmed −91,812 −$34.3M 1.0%
SS SPDR Series Trust Trimmed −690,000 −$32.9M 2.2%

Showing the 10 largest of 55 changes.

Q1 2026

quarter ended March 31, 2026 · filed April 10, 2026

Company Action Shares changed Value of change % of portfolio
Qnity Electronics Inc New +218,313 +$25.2M 0.5%
Waters Corp New +28,387 +$8.45M 0.2%
Hillenbrand Inc Exited −10,500 −$333K —
AT&T Inc Added +8,000 +$232K —
Flowserve Corp New +2,790 +$205K —
AM Applied Matls Inc Trimmed −44 −$15K 0.1%
Alphabet Inc Trimmed −47 −$13.5K 3.4%
Meta Platforms Inc Trimmed −19 −$10.9K 1.9%
CS Cisco Sys Inc Added +87 +$6.75K 1.1%
Linde PLC Added +11 +$5.45K —

Showing the 10 largest of 14 changes.

Q4 2025

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

Company Action Shares changed Value of change % of portfolio
SI SPDR Index Shs Fds Added +4,407,000 +$196M 18.3%
IT Ishares Tr Added +557,570 +$82.9M 11.2%
IT Ishares Tr Added +490,000 +$50.3M 2.9%
VW Vanguard Whitehall Fds Added +311,500 +$44.7M 3.1%
IT Ishares Tr Added +625,000 +$44.6M 6.9%
SS Schwab Strategic Tr Added +937,000 +$42.4M 3.5%
SS SPDR Series Trust Added +149,100 +$41.4M 8.5%
Alphabet Inc Added +106,096 +$33.3M 3.8%
SS SPDR Series Trust Added +690,000 +$29.9M 2.5%
GA Ge Aerospace Added +87,812 +$27M 1.4%

Showing the 10 largest of 44 changes.

Q3 2025

quarter ended September 30, 2025 · filed November 19, 2025

Company Action Shares changed Value of change % of portfolio
SS Schwab Strategic Tr Trimmed −5,650,000 −$243M 3.0%
GA Ge Aerospace Trimmed −377,112 −$113M 1.0%
SI SPDR Index Shs Fds Trimmed −2,345,334 −$100M 16.8%
SS SPDR Series Trust Trimmed −213,000 −$58M 9.2%
Ge Vernova Inc Trimmed −94,278 −$58M 0.5%
Rtx Corporation Trimmed −277,632 −$46.5M 0.2%
3m Co Trimmed −295,700 −$45.9M 0.2%
HI Huntington Ingalls Inds Inc Exited −187,000 −$45.2M —
I Ishares Inc Trimmed −1,250,000 −$37.1M 0.4%
Gsk PLC Exited −923,000 −$35.4M —

Showing the 10 largest of 33 changes.

Q2 2025

quarter ended June 30, 2025 · filed August 01, 2025

Company Action Shares changed Value of change % of portfolio
BH Berkshire Hathaway Inc Del Trimmed −9,435 −$6.88B 2.5%
SS Select Sector SPDR Tr Trimmed −12,767,469 −$529M 0.5%
SI SPDR Index Shs Fds Added +12,419,000 +$503M 15.9%
Rio Tinto PLC Trimmed −7,406,400 −$432M —
IT Illinois Tool Wks Inc Trimmed −1,427,450 −$353M —
Snap On Inc Trimmed −1,070,025 −$333M —
SS Schwab Strategic Tr Added +7,413,025 +$296M 7.4%
Ecolab Inc Trimmed −996,400 −$268M —
VI Vanguard Index Fds Trimmed −821,316 −$250M 0.1%
IT Ishares Tr Added +2,964,000 +$188M 5.6%

Showing the 10 largest of 99 changes.

Q1 2025

quarter ended March 31, 2025 · filed May 06, 2025

Company Action Shares changed Value of change % of portfolio
BD Becton Dickinson & Co Trimmed −94,710 −$692M 2.7%
SI SPDR Index Shs Fds Trimmed −16,826,000 −$661M 5.4%
SS Select Sector SPDR Tr Added +12,584,952 +$421M 11.8%
SS Schwab Strategic Tr Trimmed −8,350,025 −$310M 0.9%
IT Ishares Tr Trimmed −3,589,000 −$257M 1.9%
Rio Tinto PLC Added +7,406,400 +$243M 6.4%
BI Baxter Intl Inc Trimmed −968,765 −$219M 0.5%
Snap On Inc Added +1,070,025 +$217M 5.8%
Dow Inc Trimmed −777,400 −$182M —
VT Vanguard Tax-managed Fds Trimmed −977,050 −$156M 0.9%

Showing the 10 largest of 102 changes.

Q4 2024

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

Company Action Shares changed Value of change % of portfolio
SS Select Sector SPDR Tr Exited −4,197,400 −$190M —
SI SPDR Index Shs Fds Added +4,407,000 +$150M 17.1%
IT Ishares Tr Added +525,570 +$67.6M 9.6%
IT Ishares Tr Added +490,000 +$45.3M 2.8%
VW Vanguard Whitehall Fds Added +311,500 +$39.7M 3.0%
Chubb Limited Exited −130,000 −$37.5M —
WF Wells Fargo Co New Exited −635,018 −$35.9M —
IT Ishares Tr Added +625,000 +$32.8M 5.5%
Dow Inc New +781,000 +$31.3M 0.7%
Gsk PLC New +923,000 +$31.2M 0.7%

Showing the 10 largest of 61 changes.

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