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 Q1 2021?

303 institutional investors reported PRLB - Proto Labs Inc - Common Stock for Q1 2021. Use the holders table for investor-level position and value details.

Proto Labs Inc - Common Stock (PRLB)

CUSIP: 743713109

Q1 2021 13F Holders as of 31 Mar 2021

Type / Class: Equity / Common Stock
Shares outstanding: 23,661,319
Total 13F shares: 28,551,256
Share change: -2,363,544
Total reported value: $3,475,713,832
Put/Call ratio: 155%
Price per share: $121.75
Number of holders: 303
Value change: -$300,436,753
Number of buys: 149
Number of sells: 160

Quarterly Holders Quick Answers

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

Need full ownership history?
Open the full security ownership history page.

Related Filing Research

Latest 13F filings for newly reported positions.
Latest Schedule 13D/13G reports for ownership changes outside 13F cadence.
Latest 10-Q/10-K reports for financial context tied to this issuer.
Recent insider transactions for executive and insider activity.
SEC investors directory and top value investors for manager drilldown.
Back to full security ownership history.

Explore More Reporting Periods

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

Newer quarter: Q2 2021
Previous quarter: Q4 2020

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
BlackRock Finance, Inc.	13F	Company	18%	4,349,159	$667,160,000	—	31 Dec 2020	13F
ARK Investment Management LLC	13F	Company	17%	4,119,922	$631,996,000	—	31 Dec 2020	13F
BROWN CAPITAL MANAGEMENT LLC	13F	Company	16%	3,704,897	$568,331,000	—	31 Dec 2020	13F
VANGUARD GROUP INC	13F	Company	12%	2,743,050	$420,784,000	—	31 Dec 2020	13F
Sumitomo Mitsui Trust Group, Inc.	13F	Company	6.7%	1,590,903	$244,045,000	—	31 Dec 2020	13F
Amova Asset Management Americas, Inc.	13F	Company	6.7%	1,590,666	$244,008,000	—	31 Dec 2020	13F
HARDING LOEVNER LP	13F	Company	6.3%	1,482,144	$227,372,000	—	31 Dec 2020	13F
RIVERBRIDGE PARTNERS LLC	13F	Company	5.7%	1,358,899	$208,455,000	—	31 Dec 2020	13F
STATE STREET CORP	13F	Company	3.4%	803,088	$123,194,000	—	31 Dec 2020	13F
DISCIPLINED GROWTH INVESTORS INC /MN	13F	Company	2.6%	621,477	$95,335,000	—	31 Dec 2020	13F
NEW YORK STATE COMMON RETIREMENT FUND	13F	Company	2.2%	509,476	$78,154,000	—	31 Dec 2020	13F
DIMENSIONAL FUND ADVISORS LP	13F	Company	2%	471,820	$72,381,000	—	31 Dec 2020	13F
Stephens Investment Management Group LLC	13F	Company	1.8%	427,145	$65,524,000	—	31 Dec 2020	13F
NORGES BANK	13F	Company	1.8%	421,175	$64,608,000	—	31 Dec 2020	13F
GENEVA CAPITAL MANAGEMENT LLC	13F	Company	1.7%	409,411	$62,804,000	—	31 Dec 2020	13F
NORTHERN TRUST CORP	13F	Company	1.7%	406,426	$62,345,000	—	31 Dec 2020	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	1.7%	405,883	$62,262,000	—	31 Dec 2020	13F
NATIXIS	13F	Company	1.4%	321,172	$49,268,000	—	31 Dec 2020	13F
Bank of New York Mellon Corp	13F	Company	1.3%	298,419	$45,776,000	—	31 Dec 2020	13F
LOOMIS SAYLES & CO L P	13F	Company	1.1%	261,959	$40,185,000	—	31 Dec 2020	13F
MAIRS & POWER INC	13F	Company	0.85%	200,510	$30,758,000	—	31 Dec 2020	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	0.82%	193,865	$29,739,000	—	31 Dec 2020	13F
PRINCIPAL FINANCIAL GROUP INC	13F	Company	0.81%	190,818	$29,272,000	—	31 Dec 2020	13F
MORGAN STANLEY	13F	Company	0.73%	173,538	$26,620,000	—	31 Dec 2020	13F
AMERIPRISE FINANCIAL INC	13F	Company	0.72%	170,544	$26,161,000	—	31 Dec 2020	13F
BANK OF AMERICA CORP /DE/	13F	Company	0.72%	169,319	$25,974,000	—	31 Dec 2020	13F
AMERICAN CAPITAL MANAGEMENT INC	13F	Company	0.57%	135,911	$20,849,000	—	31 Dec 2020	13F
TimesSquare Capital Management, LLC	13F	Company	0.56%	132,000	$20,249,000	—	31 Dec 2020	13F
Capital Investment Services of America, Inc.	13F	Company	0.48%	112,898	$17,319,000	—	31 Dec 2020	13F
Nuveen Asset Management, LLC	13F	Company	0.44%	104,863	$16,086,000	—	31 Dec 2020	13F
Pembroke Management, LTD	13F	Company	0.43%	102,635	$15,744,000	—	31 Dec 2020	13F
ENVESTNET ASSET MANAGEMENT INC	13F	Company	0.42%	99,972	$15,336,000	—	31 Dec 2020	13F
SCOUT INVESTMENTS, INC.	13F	Company	0.38%	89,852	$13,783,000	—	31 Dec 2020	13F
Legal & General Group Plc	13F	Company	0.38%	89,762	$13,770,000	—	31 Dec 2020	13F
PARAMETRIC PORTFOLIO ASSOCIATES LLC	13F	Company	0.31%	73,503	$11,275,000	—	31 Dec 2020	13F
RHUMBLINE ADVISERS	13F	Company	0.31%	73,482	$11,272,000	—	31 Dec 2020	13F
OPPENHEIMER ASSET MANAGEMENT INC.	13F	Company	0.3%	70,092	$10,752,000	—	31 Dec 2020	13F
CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM	13F	Company	0.28%	67,052	$10,286,000	—	31 Dec 2020	13F
GOLDMAN SACHS GROUP INC	13F	Company	0.28%	65,187	$9,999,000	—	31 Dec 2020	13F
Motley Fool Wealth Management, LLC	13F	Company	0.26%	61,504	$9,435,000	—	31 Dec 2020	13F
JPMORGAN CHASE & CO	13F	Company	0.26%	61,293	$9,403,000	—	31 Dec 2020	13F
PUBLIC SECTOR PENSION INVESTMENT BOARD	13F	Company	0.25%	59,184	$9,079,000	—	31 Dec 2020	13F
GAGNON SECURITIES LLC	13F	Company	0.25%	59,033	$9,056,000	—	31 Dec 2020	13F
BLAIR WILLIAM & CO/IL	13F	Company	0.25%	58,733	$9,010,000	—	31 Dec 2020	13F
Swiss National Bank	13F	Company	0.24%	57,300	$8,790,000	—	31 Dec 2020	13F
JANE STREET GROUP, LLC	13F	Company	0.24%	56,040	$8,597,000	—	31 Dec 2020	13F
US BANCORP \DE\	13F	Company	0.23%	53,993	$8,283,000	—	31 Dec 2020	13F
PREMIER ASSET MANAGEMENT LLC	13F	Company	0.22%	52,830	$8,104,000	—	31 Dec 2020	13F
ROYAL BANK OF CANADA	13F	Company	0.22%	52,264	$8,018,000	—	31 Dec 2020	13F
Motley Fool Asset Management LLC	13F	Company	0.22%	50,882	$7,805,000	—	31 Dec 2020	13F

Institutional Holders of Proto Labs Inc - Common Stock (PRLB) as of Q1 2021

As of 31 Mar 2021, Proto Labs Inc - Common Stock (PRLB) was held by 303 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 28,551,256 shares. The largest 10 holders included BlackRock Inc., ARK Investment Management LLC, BROWN CAPITAL MANAGEMENT LLC, VANGUARD GROUP INC, Nikko Asset Management Americas, Inc., Sumitomo Mitsui Trust Holdings, Inc., STATE STREET CORP, RIVERBRIDGE PARTNERS LLC, DIMENSIONAL FUND ADVISORS LP, and NEW YORK STATE COMMON RETIREMENT FUND. This page lists 304 institutional shareholders reporting positions in this security for the Q1 2021 filing period.

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

Compare Q1 2021 vs Q4 2020 Across Filers

Q4 2020 holders

296

Q1 2021 holders

303

Holder diff

Investor	Q4 2020 Shares	Q1 2021 Shares	Share Diff	Share Chg %	Q4 2020 Value $	Q1 2021 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.