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Proto Labs shares owned by Auto-Owners Insurance

Quarter-by-quarter ownership of Proto Labs (PRLB) shares owned by Auto-Owners Insurance from 13F filings

Historical chart of Auto-Owners Insurance investment in Proto Labs

Tip: Access up to 7 years of quarterly data

All positions including Proto Labs held by Auto-Owners Insurance consolidated in one spreadsheet with up to 7 years of data

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Quarterly reported holdings in Proto Labs by Auto-Owners Insurance

Quarter filed Position value Share count Share price at filing
2026-03-31 $257k 4.5k 57.02
2025-12-31 $228k 4.5k 50.59
2025-09-30 $225k 4.5k 50.03

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SPDR S&P World ex-US (SPDW)
Ishares Tr Core S&p Ttl Stk (ITOT)
Spdr Series Trust State Street Spd (XNTK)
Ishares Tr Eafe Value Etf (EFV)
Ishares Tr Core Msci Intl (IDEV)
Schwab Strategic Tr Fundamental Intl (FNDF)
Alphabet Cap Stk Cl C (GOOG)
Vanguard Whitehall Fds High Div Yld (VYM)
Ishares Tr Core S&p Us Vlu (IUSV)
Spdr Series Trust State Street Spd (SPYD)
Berkshire Hathaway Inc Del Cl A (BRK.A)
Vanguard Intl Equity Index F Ftse Emr Mkt Etf (VWO)
Meta Platforms Cl A (META)
Amazon (AMZN)
Johnson & Johnson (JNJ)

View all positions for Auto-Owners Insurance

Top funds holding Proto Labs

BlackRock
Vanguard Group
Disciplined Growth Investors
Vanguard Portfolio Management
Dimensional Fund Advisors
State Street Corporation
Vanguard Capital Management
Luke P. La Valle, Jr.
Geode Capital Management
Renaissance Technologies
Rubric Capital Management
Arrowstreet Capital, Limited Partnership
Prudential Financial
Driehaus Capital Management
Charles Schwab Investment Management

View all funds holding Proto Labs