Held by 5 tracked superinvestors.
See OSK insider (officer/director) trading →Greenhaven Associates
Greenhaven Associates · as of 2026-06-30
$392,706,206
2,558,680 shares
Richard Pzena
Pzena Investment Management · as of 2026-06-30
$63,811,766
415,766 shares
Alex Roepers
Atlantic Investment Management · as of 2026-06-30
$12,846,276
83,700 shares
Mairs & Power Funds
Mairs & Power Funds · as of 2026-06-30
$5,092,927
33,183 shares
Bill Nygren
Oakmark Funds · as of 2026-06-30
$241,731
1,575 shares
Following a great investor into a stock isn't a strategy on its own. Run your own margin-of-safety analysis, free.
Analyze OSK