What does CUSIP 743713109 represent in this 13F holders report?

CUSIP 743713109 is the security identifier for PRLB - Proto Labs Inc - Common Stock used to aggregate holder disclosures.

How many institutions held PRLB - Proto Labs Inc - Common Stock in Q2 2017?

189 institutional investors reported PRLB - Proto Labs Inc - Common Stock for Q2 2017. Use the holders table for investor-level position and value details.

Proto Labs Inc - Common Stock (PRLB)

CUSIP: 743713109

Q2 2017 13F Holders as of 30 Jun 2017

Type / Class: Equity / Common Stock
Shares outstanding: 23,799,118
Total 13F shares: 27,753,747
Share change: +1,597,307
Total reported value: $1,866,478,820
Put/Call ratio: 73%
Price per share: $67.25
Number of holders: 189
Value change: +$114,948,103
Number of buys: 100
Number of sells: 79

Quarterly Holders Quick Answers

What is CUSIP 743713109?
CUSIP 743713109 identifies PRLB - Proto Labs Inc - Common Stock in SEC institutional holdings data.

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Explore More Reporting Periods

Jump to adjacent filing periods for faster comparison and easier crawl discovery.

Newer quarter: Q3 2017
Previous quarter: Q1 2017

Recent filing periods for CUSIP 743713109:

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024

Top shareholders of PRLB - Proto Labs Inc - Common Stock (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Holder	Source	Role / Reporting	Ownership %	Shares	Holdings Value	12M Net Δ	As of	Details
BROWN CAPITAL MANAGEMENT LLC	13F	Company	16%	3,801,528	$194,258,000	—	31 Mar 2017	13F
BlackRock Finance, Inc.	13F	Company	12%	2,905,155	$148,453,000	—	31 Mar 2017	13F
VANGUARD GROUP INC	13F	Company	8.9%	2,119,327	$108,298,000	—	31 Mar 2017	13F
RIVERBRIDGE PARTNERS LLC	13F	Company	8.5%	2,021,642	$103,306,000	—	31 Mar 2017	13F
JANUS HENDERSON INVESTORS US LLC	13F	Company	5.4%	1,278,625	$65,338,000	—	31 Mar 2017	13F
ArrowMark Colorado Holdings LLC	13F	Company	4.9%	1,162,569	$59,407,000	—	31 Mar 2017	13F
TimesSquare Capital Management, LLC	13F	Company	4.8%	1,131,625	$57,826,000	—	31 Mar 2017	13F
JPMORGAN CHASE & CO	13F	Company	4.4%	1,048,698	$53,588,000	—	31 Mar 2017	13F
DISCIPLINED GROWTH INVESTORS INC /MN	13F	Company	4.1%	965,000	$49,311,000	—	31 Mar 2017	13F
Stephens Investment Management Group LLC	13F	Company	3%	706,528	$36,104,000	—	31 Mar 2017	13F
NEW YORK STATE COMMON RETIREMENT FUND	13F	Company	2.7%	633,335	$32,363,000	—	31 Mar 2017	13F
STATE STREET CORP	13F	Company	2.4%	566,187	$28,931,000	—	31 Mar 2017	13F
Capital Research Global Investors	13F	Company	2%	466,700	$23,848,000	—	31 Mar 2017	13F
Conestoga Capital Advisors, LLC	13F	Company	1.8%	420,533	$21,489,000	—	31 Mar 2017	13F
MAIRS & POWER INC	13F	Company	1.7%	412,372	$21,072,000	—	31 Mar 2017	13F
NORTHERN TRUST CORP	13F	Company	1.6%	387,819	$19,817,000	—	31 Mar 2017	13F
NORGES BANK	13F	Company	1.6%	380,427	$19,440,000	—	31 Mar 2017	13F
DIMENSIONAL FUND ADVISORS LP	13F	Company	1.5%	351,431	$17,958,000	—	31 Mar 2017	13F
Bank of New York Mellon Corp	13F	Company	1.5%	345,560	$17,657,000	—	31 Mar 2017	13F
ROYAL BANK OF CANADA	13F	Company	1.1%	271,312	$13,864,000	—	31 Mar 2017	13F
JANUS HENDERSON GROUP PLC	13F	Company	1.1%	254,469	$13,003,000	—	31 Mar 2017	13F
BANK OF AMERICA CORP /DE/	13F	Company	1%	242,463	$12,389,000	—	31 Mar 2017	13F
THRIVENT FINANCIAL FOR LUTHERANS	13F	Company	0.96%	228,912	$11,697,000	—	31 Mar 2017	13F
Nationwide Fund Advisors	13F	Company	0.86%	204,736	$10,462,000	—	31 Mar 2017	13F
TIVERTON ASSET MANAGEMENT LLC	13F	Company	0.84%	200,157	$10,228,000	—	31 Mar 2017	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	0.81%	192,143	$9,818,000	—	31 Mar 2017	13F
Quantum Capital Management, LLC / NJ	13F	Company	0.8%	189,539	$9,685,000	—	31 Mar 2017	13F
PRINCIPAL FINANCIAL GROUP INC	13F	Company	0.78%	185,502	$9,479,000	—	31 Mar 2017	13F
BLAIR WILLIAM & CO/IL	13F	Company	0.73%	174,568	$9,444,000	—	31 Mar 2017	13F
MORGAN STANLEY	13F	Company	0.76%	180,729	$9,235,000	—	31 Mar 2017	13F
ARK Investment Management LLC	13F	Company	0.76%	179,870	$9,191,000	—	31 Mar 2017	13F
AMERIPRISE FINANCIAL INC	13F	Company	0.74%	174,990	$8,942,000	—	31 Mar 2017	13F
LAZARD ASSET MANAGEMENT LLC	13F	Company	0.69%	164,873	$8,425,000	—	31 Mar 2017	13F
Capital Investment Services of America, Inc.	13F	Company	0.6%	143,214	$7,318,000	—	31 Mar 2017	13F
MILLENNIUM MANAGEMENT LLC	13F	Company	0.59%	140,586	$7,184,000	—	31 Mar 2017	13F
Fiera Capital Corp	13F	Company	0.57%	135,936	$6,947,000	—	31 Mar 2017	13F
AMERICAN CAPITAL MANAGEMENT INC	13F	Company	0.54%	128,536	$6,568,000	—	31 Mar 2017	13F
Crestwood Capital Management, L.P.	13F	Company	0.45%	108,000	$5,519,000	—	31 Mar 2017	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	0.44%	104,131	$5,322,000	—	31 Mar 2017	13F
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO	13F	Company	0.35%	82,900	$4,236,000	—	31 Mar 2017	13F
SEI INVESTMENTS CO	13F	Company	0.33%	79,726	$4,074,000	—	31 Mar 2017	13F
GOLDMAN SACHS GROUP INC	13F	Company	0.29%	70,003	$3,577,000	—	31 Mar 2017	13F
TIAA CREF INVESTMENT MANAGEMENT LLC	13F	Company	0.28%	67,170	$3,432,000	—	31 Mar 2017	13F
FRED ALGER MANAGEMENT, LLC	13F	Company	0.28%	66,132	$3,379,000	—	31 Mar 2017	13F
Polar Capital LLP	13F	Company	0.27%	65,423	$3,340,000	—	31 Mar 2017	13F
Handelsbanken Fonder AB	13F	Company	0.25%	60,000	$3,066,000	—	31 Mar 2017	13F
OPPENHEIMER ASSET MANAGEMENT INC.	13F	Company	0.25%	59,678	$3,050,000	—	31 Mar 2017	13F
DEUTSCHE BANK AG\	13F	Company	0.25%	59,654	$3,047,000	—	31 Mar 2017	13F
WELLS FARGO & COMPANY/MN	13F	Company	0.24%	56,048	$2,864,000	—	31 Mar 2017	13F
ENVESTNET ASSET MANAGEMENT INC	13F	Company	0.23%	55,166	$2,820,000	—	31 Mar 2017	13F

Institutional Holders of Proto Labs Inc - Common Stock (PRLB) as of Q2 2017

As of 30 Jun 2017, Proto Labs Inc - Common Stock (PRLB) was held by 189 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 27,753,747 shares. The largest 10 holders included BROWN CAPITAL MANAGEMENT LLC, BlackRock Inc., VANGUARD GROUP INC, RIVERBRIDGE PARTNERS LLC, ArrowMark Colorado Holdings LLC, JANUS HENDERSON GROUP PLC, DISCIPLINED GROWTH INVESTORS INC /MN, TimesSquare Capital Management, LLC, JPMORGAN CHASE & CO, and Stephens Investment Management Group LLC. This page lists 189 institutional shareholders reporting positions in this security for the Q2 2017 filing period.

Investor	Option	Weight %	Change %	Value $	* Price	Shares	Share Change	Activity	Report Period

Compare Q2 2017 vs Q1 2017 Across Filers

Q1 2017 holders

181

Q2 2017 holders

189

Holder diff

Investor	Q1 2017 Shares	Q2 2017 Shares	Share Diff	Share Chg %	Q1 2017 Value $	Q2 2017 Value $	Value Diff $	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend

* 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.