AUTO-OWNERS INSURANCE CO

Filed: 4/10/2026ACC: 0001964189-26-000003

📋 What this filing means

AUTO-OWNERS INSURANCE CO filed this quarterly 13F‑HR report disclosing 107 equity positions with a total reported market value of $4.78B. This filing provides a transparent view of the manager's long equity holdings as of the quarter end.

107

Positions

$4.78B

Total AUM (reported)

61.53M

Total Shares

Allocation by class

COM$1.44B30.2%

STATE STREET SPD$575.40M12.0%

CORE S&P TTL STK$512.08M10.7%

EAFE VALUE ETF$341.12M7.1%

CL A$222.17M4.7%

CORE MSCI INTL$217.06M4.5%

PORTFOLIO DEVLPD$201.18M4.2%

Portfolio Concentration

Top 3$1.58B33.1%

4–10$1.39B29.1%

11–25$1.17B24.5%

Rest$635.75M13.3%

Top 3 weight

33.1%

Top 10 weight

62.2%

Voting Authority Distribution

Total shares with voting rights: 61.53M

Sole

Full voting authority

50.53M

% of voting shares82.1%

Shared

Joint voting authority

11M

% of voting shares17.9%

None

No voting authority

0.00

% of voting shares0.0%

Investment Discretion (by position count)

Sole106

Shared0

Other1

Dominant voting typeSole · 82.1% of voting shares

Institutional Holdings107

Rows:

SPDR INDEX SHS FDS

SOLE

COM

Shares15.23M

TypeSH

Market value$695.28M

14.56%

Sole

15.23M

Shared

0.00

None

0.00

ISHARES TR

SOLE

CORE S&P TTL STK

Shares3.60M

TypeSH

Market value$512.08M

10.72%

Sole

3.04M

Shared

557.57K

None

0.00

SPDR SERIES TRUST

SOLE

STATE STREET SPD

Shares1.46M

TypeSH

Market value$371.84M

7.79%

Sole

1.31M

Shared

149.10K

None

0.00

ISHARES TR

SOLE

EAFE VALUE ETF

Shares4.59M

TypeSH

Market value$341.12M

7.14%

Sole

3.96M

Shared

625K

None

0.00

ISHARES TR

SOLE

CORE MSCI INTL

Shares2.60M

TypeSH

Market value$217.06M

4.55%

Sole

2.41M

Shared

186K

None

0.00

SPDR INDEX SHS FDS

DFND

PORTFOLIO DEVLPD

Shares4.41M

TypeSH

Market value$201.18M

4.21%

Sole

0.00

Shared

4.41M

None

0.00

SCHWAB STRATEGIC TR

SOLE

FUNDAMENTAL INTL

Shares3.64M

TypeSH

Market value$174.74M

3.66%

Sole

2.70M

Shared

937K

None

0.00

ALPHABET INC

SOLE

CAP STK CL C

Shares573.04K

TypeSH

Market value$164.38M

3.44%

Sole

467.05K

Shared

106K

None

0.00

VANGUARD WHITEHALL FDS

SOLE

HIGH DIV YLD

Shares1.04M

TypeSH

Market value$153.39M

3.21%

Sole

724.20K

Shared

311.50K

None

0.00

ISHARES TR

SOLE

CORE S&P US VLU

Shares1.35M

TypeSH

Market value$138.65M

2.90%

Sole

864K

Shared

490K

None

0.00

SPDR SERIES TRUST

SOLE

STATE STREET SPD

Shares2.74M

TypeSH

Market value$124.83M

2.61%

Sole

2.05M

Shared

690K

None

0.00

BERKSHIRE HATHAWAY INC DEL

SOLE

CL A

Shares167.00

TypeSH

Market value$119.93M

2.51%

Sole

156.00

Shared

11.00

None

0.00

VANGUARD INTL EQUITY INDEX F

SOLE

FTSE EMR MKT ETF

Shares1.79M

TypeSH

Market value$97.00M

2.03%

Sole

1.31M

Shared

484K

None

0.00

META PLATFORMS INC

SOLE

CL A

Shares159.49K

TypeSH

Market value$91.25M

1.91%

Sole

137.34K

Shared

22.15K

None

0.00

AMAZON COM INC

SOLE

COM

Shares426.51K

TypeSH

Market value$88.83M

1.86%

Sole

358.51K

Shared

68K

None

0.00

JOHNSON & JOHNSON

SOLE

COM

Shares335.44K

TypeSH

Market value$81.99M

1.72%

Sole

310.94K

Shared

24.50K

None

0.00

SPDR SERIES TRUST

SOLE

STATE STREET SPD

Shares1.33M

TypeSH

Market value$78.72M

1.65%

Sole

1.04M

Shared

290K

None

0.00

VANGUARD TAX-MANAGED FDS

SOLE

VAN FTSE DEV MKT

Shares1.18M

TypeSH

Market value$75.53M

1.58%

Sole

1.05M

Shared

133K

None

0.00

VANGUARD INDEX FDS

SOLE

SMALL CP ETF

Shares281.63K

TypeSH

Market value$73.76M

1.54%

Sole

249.03K

Shared

32.60K

None

0.00

DOW INC

SOLE

COM

Shares1.61M

TypeSH

Market value$67.10M

1.41%

Sole

1.61M

Shared

0.00

None

0.00

GE AEROSPACE

SOLE

COM NEW

Shares213.36K

TypeSH

Market value$60.55M

1.27%

Sole

125.55K

Shared

87.81K

None

0.00

POLARIS INC

SOLE

COM

Shares1.03M

TypeSH

Market value$56.41M

1.18%

Sole

1.03M

Shared

0.00

None

0.00

PEPSICO INC

SOLE

COM

Shares343.18K

TypeSH

Market value$53.29M

1.12%

Sole

329.28K

Shared

13.90K

None

0.00

CISCO SYS INC

SOLE

COM

Shares674.53K

TypeSH

Market value$52.34M

1.10%

Sole

589.33K

Shared

85.20K

None

0.00

ISHARES TR

SOLE

CORE DIV GRWTH

Shares689.50K

TypeSH

Market value$48.39M

1.01%

Sole

514.50K

Shared

175K

None

0.00

Issuer	Class	Shares	Type	Value / Portfolio %	Voting — Sole	Shared
SPDR INDEX SHS FDSSOLE	COM	15.23M	SH	$695.28M 14.56%	15.23M	0.00
ISHARES TRSOLE	CORE S&P TTL STK	3.60M	SH	$512.08M 10.72%	3.04M	557.57K
SPDR SERIES TRUSTSOLE	STATE STREET SPD	1.46M	SH	$371.84M 7.79%	1.31M	149.10K
ISHARES TRSOLE	EAFE VALUE ETF	4.59M	SH	$341.12M 7.14%	3.96M	625K
ISHARES TRSOLE	CORE MSCI INTL	2.60M	SH	$217.06M 4.55%	2.41M	186K
SPDR INDEX SHS FDSDFND	PORTFOLIO DEVLPD	4.41M	SH	$201.18M 4.21%	0.00	4.41M
SCHWAB STRATEGIC TRSOLE	FUNDAMENTAL INTL	3.64M	SH	$174.74M 3.66%	2.70M	937K
ALPHABET INCSOLE	CAP STK CL C	573.04K	SH	$164.38M 3.44%	467.05K	106K
VANGUARD WHITEHALL FDSSOLE	HIGH DIV YLD	1.04M	SH	$153.39M 3.21%	724.20K	311.50K
ISHARES TRSOLE	CORE S&P US VLU	1.35M	SH	$138.65M 2.90%	864K	490K
SPDR SERIES TRUSTSOLE	STATE STREET SPD	2.74M	SH	$124.83M 2.61%	2.05M	690K
BERKSHIRE HATHAWAY INC DELSOLE	CL A	167.00	SH	$119.93M 2.51%	156.00	11.00
VANGUARD INTL EQUITY INDEX FSOLE	FTSE EMR MKT ETF	1.79M	SH	$97.00M 2.03%	1.31M	484K
META PLATFORMS INCSOLE	CL A	159.49K	SH	$91.25M 1.91%	137.34K	22.15K
AMAZON COM INCSOLE	COM	426.51K	SH	$88.83M 1.86%	358.51K	68K
JOHNSON & JOHNSONSOLE	COM	335.44K	SH	$81.99M 1.72%	310.94K	24.50K
SPDR SERIES TRUSTSOLE	STATE STREET SPD	1.33M	SH	$78.72M 1.65%	1.04M	290K
VANGUARD TAX-MANAGED FDSSOLE	VAN FTSE DEV MKT	1.18M	SH	$75.53M 1.58%	1.05M	133K
VANGUARD INDEX FDSSOLE	SMALL CP ETF	281.63K	SH	$73.76M 1.54%	249.03K	32.60K
DOW INCSOLE	COM	1.61M	SH	$67.10M 1.41%	1.61M	0.00
GE AEROSPACESOLE	COM NEW	213.36K	SH	$60.55M 1.27%	125.55K	87.81K
POLARIS INCSOLE	COM	1.03M	SH	$56.41M 1.18%	1.03M	0.00
PEPSICO INCSOLE	COM	343.18K	SH	$53.29M 1.12%	329.28K	13.90K
CISCO SYS INCSOLE	COM	674.53K	SH	$52.34M 1.10%	589.33K	85.20K
ISHARES TRSOLE	CORE DIV GRWTH	689.50K	SH	$48.39M 1.01%	514.50K	175K

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