AUTO-OWNERS INSURANCE CO

PrivateCIK: 1964189

Location

LANSING, MI

Positions

$4.43B

Total AUM (reported)

52.30M

Total Shares

Allocation by class

STATE STREET SPD$1.44B32.5%

COM$668.60M15.1%

CORE S&P TTL STK$499.02M11.3%

EAFE VALUE ETF$303.37M6.8%

CORE MSCI INTL$214.66M4.8%

CL A$202.41M4.6%

CAP STK CL C$163.43M3.7%

Portfolio Concentration

Top 3$1.77B40.0%

4–10$1.15B26.0%

11–25$986.11M22.3%

Rest$520.13M11.7%

Top 3 weight

40.0%

Top 10 weight

66.0%

Voting Authority Distribution

Total shares with voting rights: 52.30M

Sole

Full voting authority

41.38M

% of voting shares79.1%

Shared

Joint voting authority

10.92M

% of voting shares20.9%

None

No voting authority

0.00

% of voting shares0.0%

Investment Discretion (by position count)

Sole95

Shared0

Other0

Dominant voting typeSole · 79.1% of voting shares

Institutional Holdings95

Rows:

SPDR INDEX SHS FDS

SOLE

STATE STREET SPD

Shares15.23M

TypeSH

Market value$767.47M

17.33%

Sole

10.82M

Shared

4.41M

None

0.00

SPDR SERIES TRUST

SOLE

STATE STREET SPD

Shares1.29M

TypeSH

Market value$502.96M

11.36%

Sole

1.14M

Shared

149.10K

None

0.00

ISHARES TR

SOLE

CORE S&P TTL STK

Shares3.04M

TypeSH

Market value$499.02M

11.27%

Sole

2.48M

Shared

557.57K

None

0.00

ISHARES TR

SOLE

EAFE VALUE ETF

Shares3.96M

TypeSH

Market value$303.37M

6.85%

Sole

3.34M

Shared

625K

None

0.00

ISHARES TR

SOLE

CORE MSCI INTL

Shares2.41M

TypeSH

Market value$214.66M

4.85%

Sole

2.23M

Shared

186K

None

0.00

ALPHABET INC

SOLE

CAP STK CL C

Shares462.54K

TypeSH

Market value$163.43M

3.69%

Sole

356.54K

Shared

106K

None

0.00

SCHWAB STRATEGIC TR

SOLE

FUNDAMENTAL INTL

Shares2.70M

TypeSH

Market value$142.58M

3.22%

Sole

1.77M

Shared

937K

None

0.00

BERKSHIRE HATHAWAY INC DEL

SOLE

CL A

Shares156.00

TypeSH

Market value$116.82M

2.64%

Sole

145.00

Shared

11.00

None

0.00

VANGUARD WHITEHALL FDS

SOLE

HIGH DIV YLD

Shares724.20K

TypeSH

Market value$114.45M

2.58%

Sole

412.70K

Shared

311.50K

None

0.00

SPDR SERIES TRUST

SOLE

STATE STREET SPD

Shares2.05M

TypeSH

Market value$97.83M

2.21%

Sole

1.36M

Shared

690K

None

0.00

ISHARES TR

SOLE

CORE S&P US VLU

Shares864K

TypeSH

Market value$95.22M

2.15%

Sole

374K

Shared

490K

None

0.00

AMAZON COM INC

SOLE

COM

Shares358.49K

TypeSH

Market value$85.44M

1.93%

Sole

290.49K

Shared

68K

None

0.00

VANGUARD INTL EQUITY INDEX F

SOLE

FTSE EMR MKT ETF

Shares1.31M

TypeSH

Market value$78.24M

1.77%

Sole

826.72K

Shared

484K

None

0.00

JOHNSON & JOHNSON

SOLE

COM

Shares304.94K

TypeSH

Market value$77.45M

1.75%

Sole

280.44K

Shared

24.50K

None

0.00

META PLATFORMS INC

SOLE

CL A

Shares135.84K

TypeSH

Market value$76.51M

1.73%

Sole

113.69K

Shared

22.15K

None

0.00

VANGUARD INDEX FDS

SOLE

SMALL CP ETF

Shares249.03K

TypeSH

Market value$75.49M

1.70%

Sole

216.43K

Shared

32.60K

None

0.00

VANGUARD TAX-MANAGED FDS

SOLE

VAN FTSE DEV MKT

Shares1.05M

TypeSH

Market value$74.51M

1.68%

Sole

912.75K

Shared

133K

None

0.00

POLARIS INC

SOLE

COM

Shares1.03M

TypeSH

Market value$70.84M

1.60%

Sole

1.03M

Shared

0.00

None

0.00

SPDR SERIES TRUST

SOLE

STATE STREET SPD

Shares1.04M

TypeSH

Market value$70.24M

1.59%

Sole

750K

Shared

290K

None

0.00

CISCO SYS INC

SOLE

COM

Shares589.32K

TypeSH

Market value$69.22M

1.56%

Sole

504.12K

Shared

85.20K

None

0.00

GE AEROSPACE

SOLE

COM NEW

Shares121.55K

TypeSH

Market value$45.43M

1.03%

Sole

33.74K

Shared

87.81K

None

0.00

PEPSICO INC

SOLE

COM

Shares329.28K

TypeSH

Market value$44.58M

1.01%

Sole

315.38K

Shared

13.90K

None

0.00

DOW HLDGS INC

SOLE

COM

Shares1.61M

TypeSH

Market value$44.08M

1.00%

Sole

1.61M

Shared

0.00

None

0.00

MICROSOFT CORP

SOLE

COM

Shares106.90K

TypeSH

Market value$39.88M

0.90%

Sole

89.50K

Shared

17.40K

None

0.00

ISHARES TR

SOLE

CORE DIV GRWTH

Shares514.50K

TypeSH

Market value$38.99M

0.88%

Sole

339.50K

Shared

175K

None

0.00

Issuer	Class	Shares	Type	Value / Portfolio %	Voting — Sole	Shared
SPDR INDEX SHS FDSSOLE	STATE STREET SPD	15.23M	SH	$767.47M 17.33%	10.82M	4.41M
SPDR SERIES TRUSTSOLE	STATE STREET SPD	1.29M	SH	$502.96M 11.36%	1.14M	149.10K
ISHARES TRSOLE	CORE S&P TTL STK	3.04M	SH	$499.02M 11.27%	2.48M	557.57K
ISHARES TRSOLE	EAFE VALUE ETF	3.96M	SH	$303.37M 6.85%	3.34M	625K
ISHARES TRSOLE	CORE MSCI INTL	2.41M	SH	$214.66M 4.85%	2.23M	186K
ALPHABET INCSOLE	CAP STK CL C	462.54K	SH	$163.43M 3.69%	356.54K	106K
SCHWAB STRATEGIC TRSOLE	FUNDAMENTAL INTL	2.70M	SH	$142.58M 3.22%	1.77M	937K
BERKSHIRE HATHAWAY INC DELSOLE	CL A	156.00	SH	$116.82M 2.64%	145.00	11.00
VANGUARD WHITEHALL FDSSOLE	HIGH DIV YLD	724.20K	SH	$114.45M 2.58%	412.70K	311.50K
SPDR SERIES TRUSTSOLE	STATE STREET SPD	2.05M	SH	$97.83M 2.21%	1.36M	690K
ISHARES TRSOLE	CORE S&P US VLU	864K	SH	$95.22M 2.15%	374K	490K
AMAZON COM INCSOLE	COM	358.49K	SH	$85.44M 1.93%	290.49K	68K
VANGUARD INTL EQUITY INDEX FSOLE	FTSE EMR MKT ETF	1.31M	SH	$78.24M 1.77%	826.72K	484K
JOHNSON & JOHNSONSOLE	COM	304.94K	SH	$77.45M 1.75%	280.44K	24.50K
META PLATFORMS INCSOLE	CL A	135.84K	SH	$76.51M 1.73%	113.69K	22.15K
VANGUARD INDEX FDSSOLE	SMALL CP ETF	249.03K	SH	$75.49M 1.70%	216.43K	32.60K
VANGUARD TAX-MANAGED FDSSOLE	VAN FTSE DEV MKT	1.05M	SH	$74.51M 1.68%	912.75K	133K
POLARIS INCSOLE	COM	1.03M	SH	$70.84M 1.60%	1.03M	0.00
SPDR SERIES TRUSTSOLE	STATE STREET SPD	1.04M	SH	$70.24M 1.59%	750K	290K
CISCO SYS INCSOLE	COM	589.32K	SH	$69.22M 1.56%	504.12K	85.20K
GE AEROSPACESOLE	COM NEW	121.55K	SH	$45.43M 1.03%	33.74K	87.81K
PEPSICO INCSOLE	COM	329.28K	SH	$44.58M 1.01%	315.38K	13.90K
DOW HLDGS INCSOLE	COM	1.61M	SH	$44.08M 1.00%	1.61M	0.00
MICROSOFT CORPSOLE	COM	106.90K	SH	$39.88M 0.90%	89.50K	17.40K
ISHARES TRSOLE	CORE DIV GRWTH	514.50K	SH	$38.99M 0.88%	339.50K	175K

Page 1 of 4