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Auto-Owners Insurance Co

Insurance
Location
LANSING, MI
Portfolio Value
Mid $1,090,540,671
Diversification
Diversified
Filing Date
Global Rank
#1,669 / 8,603 ▲ 85 · as of Mar 2026
Top Industry
Internet Content & Information 8.4%
3Y Alpha vs SPY
+2.3%
Period ended 3 months ago
Filed Apr 10, 2026 · 3mo
14 quarters · since Dec 2022

Clone Performance

Jul 2023–Jul 2026 · vs SPY

Hypothetical growth of cloning every reported 13F position and rebalancing on each filing, indexed to the same start.

Cloned portfolio
+80.6%
SPY
+76.0%
Annualised alpha
+1.1%
Max drawdown
−15.6%

Estimate. 13F holdings are quarter-lagged and long-only, so the clone rebalances about 45 days after each period end — when the filing becomes public — and excludes options and short positions. Past performance does not predict future results.

Portfolio Concentration

83 positions · as of Mar 31, 2026 · Δ vs Dec 31, 2025
Top Position
8.4%
−1.6 pts
Top 5
35.7%
−2.6 pts
Top 10
60.4%
−1.9 pts
HHI
462
Jun 2023 → Mar 2026 · range 372 – 713
Diversified−34

Portfolio Trend

14 quarters · across all stocks

Sector Breakdown

As of Mar 31, 2026
Sector % Portfolio Value
Healthcare 16.9% $184,649,676
Consumer Cyclical 15.6% $169,866,277
Technology 13.5% $147,711,415
Industrials 13.3% $144,824,692
Basic Materials 12.9% $140,166,684
Communication Services 8.6% $93,868,461
Consumer Defensive 7.3% $79,636,299
Financial Services 6.6% $71,662,402
Energy 4.4% $47,537,015
Real Estate 1.0% $10,617,750

Last Quarter's Activity

Export CSV
Mar 31, 2026 vs Dec 31, 2025

Added To

Positions the filer increased
3 positions
Ticker Δ Shares Shares Value Open

Trimmed

Positions the filer reduced
6 positions
Ticker Δ Shares Shares Value Open

New Positions

Positions the filer opened this quarter
3 positions
Ticker Shares Value Open

Sold Out

Positions the filer fully exited
No qualifying positions this quarter.

Portfolio Positions

Export CSV View 13F filing
83 positions · $1,090,540,671 total · as of Mar 31, 2026
Showing 1–50 of 83 positions by value · page 1 of 2
Ticker Company Shares Value (USD) % of Portfolio History