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 2019?

235 institutional investors reported PRLB - Proto Labs Inc - Common Stock for Q2 2019. Use the holders table for investor-level position and value details.

Proto Labs Inc - Common Stock (PRLB)

CUSIP: 743713109

Q2 2019 13F Holders as of 30 Jun 2019

Type / Class: Equity / Common Stock
Shares outstanding: 23,784,333
Total 13F shares: 25,635,872
Share change: +918,348
Total reported value: $2,973,483,855
Put/Call ratio: 466%
Price per share: $116.02
Number of holders: 235
Value change: +$108,513,179
Number of buys: 107
Number of sells: 109

Security key

743713109

Report period

Q2 2019

Institutions

235

Top holders

PRLB full security history Ownership snapshot Full 13F holder table Newer quarter: Q3 2019 Previous quarter: Q1 2019 Proto Labs Inc SEC filings Proto Labs Inc company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Reporting periods

Holder history for CUSIP 743713109

Newer quarter: Q3 2019 Previous quarter: Q1 2019

Recent filing periods:

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

Ownership snapshot

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

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Lead holder

BlackRock Finance, Inc.

13D/G signal

—

Evidence rows

Latest as of

31 Mar 2019

13F Lead comparable stake: 17% Showing first 8 of 50 holder rows. Open remaining rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
BlackRock Finance, Inc.	13F Company 13F	17%	$413,501,000 3,932,862 shares	—	31 Mar 2019
BROWN CAPITAL MANAGEMENT LLC	13F Company 13F	16%	$391,485,000 3,723,461 shares	—	31 Mar 2019
VANGUARD GROUP INC	13F Company 13F	11%	$284,887,000 2,709,588 shares	—	31 Mar 2019
RIVERBRIDGE PARTNERS LLC	13F Company 13F	6.1%	$152,308,000 1,448,620 shares	—	31 Mar 2019
JANUS HENDERSON GROUP PLC	13F Company 13F	4.2%	$105,033,000 998,982 shares	—	31 Mar 2019
DISCIPLINED GROWTH INVESTORS INC /MN	13F Company 13F	3.9%	$96,735,000 920,063 shares	—	31 Mar 2019
STATE STREET CORP	13F Company 13F	3.1%	$78,040,000 742,246 shares	—	31 Mar 2019
Conestoga Capital Advisors, LLC	13F Company 13F	2.3%	$58,710,000 558,401 shares	—	31 Mar 2019

Show 42 additional holder rows in the full holder list

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
Stephens Investment Management Group LLC	13F Company 13F	2.3%	$57,399,000 545,927 shares	—	31 Mar 2019
NEW YORK STATE COMMON RETIREMENT FUND	13F Company 13F	2.2%	$53,934,000 512,976 shares	—	31 Mar 2019
DIMENSIONAL FUND ADVISORS LP	13F Company 13F	1.9%	$47,055,000 447,539 shares	—	31 Mar 2019
ArrowMark Colorado Holdings LLC	13F Company 13F	1.8%	$44,749,000 425,615 shares	—	31 Mar 2019
NORTHERN TRUST CORP	13F Company 13F	1.8%	$44,489,000 423,138 shares	—	31 Mar 2019
NORGES BANK	13F Company 13F	1.7%	$43,125,000 410,167 shares	—	31 Mar 2019
Handelsbanken Fonder AB	13F Company 13F	1.6%	$38,811,000 369,136 shares	—	31 Mar 2019
Bank of New York Mellon Corp	13F Company 13F	1.5%	$37,543,000 357,074 shares	—	31 Mar 2019
AMERIPRISE FINANCIAL INC	13F Company 13F	1.4%	$35,807,000 340,623 shares	—	31 Mar 2019
GEODE CAPITAL MANAGEMENT, LLC	13F Company 13F	1.3%	$32,575,000 309,834 shares	—	31 Mar 2019
ARK Investment Management LLC	13F Company 13F	1.2%	$30,619,000 291,222 shares	—	31 Mar 2019
LOOMIS SAYLES & CO L P	13F Company 13F	1%	$24,924,000 237,051 shares	—	31 Mar 2019
MAIRS & POWER INC	13F Company 13F	0.98%	$24,516,000 233,176 shares	—	31 Mar 2019
VICTORY CAPITAL MANAGEMENT INC	13F Company 13F	0.98%	$24,504,000 233,065 shares	—	31 Mar 2019
PRINCIPAL FINANCIAL GROUP INC	13F Company 13F	0.96%	$24,011,000 228,379 shares	—	31 Mar 2019
BANK OF AMERICA CORP /DE/	13F Company 13F	0.74%	$18,404,000 175,047 shares	—	31 Mar 2019
ROYAL BANK OF CANADA	13F Company 13F	0.72%	$17,960,000 170,817 shares	—	31 Mar 2019
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F Company 13F	0.71%	$17,716,000 168,497 shares	—	31 Mar 2019
AMUNDI ASSET MANAGEMENT US, INC.	13F Company 13F	0.7%	$17,531,000 166,743 shares	—	31 Mar 2019
AMERICAN CAPITAL MANAGEMENT INC	13F Company 13F	0.59%	$14,753,000 140,317 shares	—	31 Mar 2019
TimesSquare Capital Management, LLC	13F Company 13F	0.55%	$13,710,000 130,400 shares	—	31 Mar 2019
GOLDMAN SACHS GROUP INC	13F Company 13F	0.54%	$13,597,000 129,322 shares	—	31 Mar 2019
BLAIR WILLIAM & CO/IL	13F Company 13F	0.51%	$12,771,000 121,471 shares	—	31 Mar 2019
Capital Investment Services of America, Inc.	13F Company 13F	0.5%	$12,434,000 118,261 shares	—	31 Mar 2019
WASATCH ADVISORS LP	13F Company 13F	0.39%	$9,677,000 92,039 shares	—	31 Mar 2019
PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO	13F Company 13F	0.37%	$9,291,000 88,372 shares	—	31 Mar 2019
MORGAN STANLEY	13F Company 13F	0.34%	$8,518,000 81,008 shares	—	31 Mar 2019
RHUMBLINE ADVISERS	13F Company 13F	0.32%	$8,040,000 76,468 shares	—	31 Mar 2019
PARAMETRIC PORTFOLIO ASSOCIATES LLC	13F Company 13F	0.3%	$7,535,000 71,670 shares	—	31 Mar 2019
Legal & General Group Plc	13F Company 13F	0.3%	$7,522,000 71,547 shares	—	31 Mar 2019
GS Investments, Inc.	13F Company 13F	0.28%	$6,919,789 65,815 shares	—	31 Mar 2019
Motley Fool Wealth Management, LLC	13F Company 13F	0.28%	$6,896,000 65,593 shares	—	31 Mar 2019
OPPENHEIMER ASSET MANAGEMENT INC.	13F Company 13F	0.27%	$6,855,000 65,204 shares	—	31 Mar 2019
PICTON MAHONEY ASSET MANAGEMENT	13F Company 13F	0.27%	$6,847,000 65,120 shares	—	31 Mar 2019
STATE OF WISCONSIN INVESTMENT BOARD	13F Company 13F	0.27%	$6,824,000 64,900 shares	—	31 Mar 2019
Man Group plc	13F Company 13F	0.26%	$6,562,000 62,418 shares	—	31 Mar 2019
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO	13F Company 13F	0.26%	$6,523,000 62,039 shares	—	31 Mar 2019
SCOUT INVESTMENTS, INC.	13F Company 13F	0.26%	$6,509,000 61,907 shares	—	31 Mar 2019
CARILLON TOWER ADVISERS, INC.	13F Company 13F	0.25%	$6,328,000 60,184 shares	—	31 Mar 2019
TEACHERS ADVISORS, LLC	13F Company 13F	0.24%	$5,892,000 56,044 shares	—	31 Mar 2019
Motley Fool Asset Management LLC	13F Company 13F	0.23%	$5,813,000 55,292 shares	—	31 Mar 2019
ENVESTNET ASSET MANAGEMENT INC	13F Company 13F	0.23%	$5,772,000 54,895 shares	—	31 Mar 2019

How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q2 2019

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

235

25,635,872

Rows loaded

235

Investor	Option	Weight %	Change %	Reported value	* Price	Shares	Share Change	Activity	Report Period

* Reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. An asterisk next to the price means the price is likely invalid.

Compare Q2 2019 vs Q1 2019 Across Filers

Q1 2019 holders

255

Q2 2019 holders

235

Holder diff

-20

Investor	Q1 2019 Shares	Q2 2019 Shares	Share Diff	Share Chg %	Q1 2019 value	Q2 2019 value	Value change	Value Chg %

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

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend