Proto Labs Inc - Common Stock (PRLB)

Q1 2018 13F Holders as of 31 Mar 2018

Type / Class
Equity / Common Stock
Shares outstanding
23,783,239
Total 13F shares
25,454,325
Share change
-471,146
Total reported value
$2,992,316,874
Put/Call ratio
87%
Price per share
$117.55
Number of holders
243
Value change
-$53,475,975
Number of buys
108
Number of sells
111

Institutional Holders of Proto Labs Inc - Common Stock (PRLB) as of Q1 2018

As of 31 Mar 2018, Proto Labs Inc - Common Stock (PRLB) was held by 243 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 25,454,325 shares. The largest 10 holders included BROWN CAPITAL MANAGEMENT LLC, BlackRock Inc., VANGUARD GROUP INC, RIVERBRIDGE PARTNERS LLC, JANUS HENDERSON GROUP PLC, DISCIPLINED GROWTH INVESTORS INC /MN, ArrowMark Colorado Holdings LLC, Stephens Investment Management Group LLC, STATE STREET CORP, and Conestoga Capital Advisors, LLC. This page lists 243 institutional shareholders reporting positions in this security for the Q1 2018 filing period.
Investor Option Weight % Change % Value $ * Price Shares Share Change Activity Report Period
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.