William Frels - Mairs & Power Inc

William Frels - Mairs & Power

Period:    Q1 2026
Portfolio date:    31 Mar 2026
No. of stocks:    245
Portfolio value:    $9,786,094,433

Holdings Activity Buys Sells History

Holding/activity history for Ambarella, Inc. (AMBA)

Period	Shares	% of Portfolio	Activity	% Change to Portfolio	Price	Value	Filing
2026 Q1	117,581	0.06	Buy	0.06	$48.30–81.35 · VW $62.52i	$6,052,482	SEC

Price snapshot:

Current price$72.00

Avg. buy price$51.48

+/- since buy39.86%

52-week low$48.30

52-week high$96.69