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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
2025-09-30 $225k 4.5k 50.03

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View all positions for Auto-Owners Insurance

Top funds holding Proto Labs

BlackRock
Vanguard Group
Disciplined Growth Investors
Dimensional Fund Advisors
State Street Corporation
Rubric Capital Management
Geode Capital Management
Renaissance Technologies
Arrowstreet Capital, Limited Partnership
Morgan Stanley
D. E. Shaw & Co
Charles Schwab Investment Management
Nuveen
S Squared Technology
Luke P. La Valle, Jr.

View all funds holding Proto Labs