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 2016?

207 institutional investors reported PRLB - Proto Labs Inc - Common Stock for Q1 2016. Use the holders table for investor-level position and value details.

Proto Labs Inc - Common Stock (PRLB)

CUSIP: 743713109

Q1 2016 13F Holders as of 31 Mar 2016

Type / Class: Equity / Common Stock
Shares outstanding: 23,661,319
Total 13F shares: 29,003,063
Share change: +1,706,253
Total reported value: $2,235,651,297
Put/Call ratio: 95%
Price per share: $77.09
Number of holders: 207
Value change: +$141,799,580
Number of buys: 120
Number of sells: 88

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: Q2 2016
Previous quarter: Q4 2015

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	11%	2,596,629	$165,379,000	—	31 Dec 2015	13F
RIVERBRIDGE PARTNERS LLC	13F	Company	7.5%	1,783,365	$113,583,000	—	31 Dec 2015	13F
VANGUARD GROUP INC	13F	Company	6.8%	1,603,922	$102,154,000	—	31 Dec 2015	13F
JANUS HENDERSON INVESTORS US LLC	13F	Company	5.2%	1,239,523	$78,945,000	—	31 Dec 2015	13F
WELLS FARGO & COMPANY/MN	13F	Company	3.5%	829,858	$52,854,000	—	31 Dec 2015	13F
Abdiel Capital Advisors, LP	13F	Company	3.4%	794,545	$50,605,000	—	31 Dec 2015	13F
BLAIR WILLIAM & CO/IL	13F	Company	3.1%	738,661	$47,045,000	—	31 Dec 2015	13F
TimesSquare Capital Management, LLC	13F	Company	3.1%	723,650	$46,089,000	—	31 Dec 2015	13F
GW&K Investment Management, LLC	13F	Company	2.7%	631,736	$40,235,000	—	31 Dec 2015	13F
WASATCH ADVISORS LP	13F	Company	2.7%	627,391	$39,959,000	—	31 Dec 2015	13F
BlackRock Institutional Trust Company, N.A.	13F	Company	2.5%	580,710	$36,985,000	—	31 Dec 2015	13F
BlackRock Fund Advisors	13F	Company	2.4%	579,228	$36,891,000	—	31 Dec 2015	13F
LORD, ABBETT & CO. LLC	13F	Company	2.3%	543,779	$34,633,000	—	31 Dec 2015	13F
Stephens Investment Management Group LLC	13F	Company	2.2%	530,261	$33,772,000	—	31 Dec 2015	13F
Apex Capital Management	13F	Company	2.2%	522,097	$33,252,000	—	31 Dec 2015	13F
KORNITZER CAPITAL MANAGEMENT INC /KS	13F	Company	2.2%	515,515	$32,833,000	—	31 Dec 2015	13F
NEW YORK STATE COMMON RETIREMENT FUND	13F	Company	2.2%	514,944	$32,797,000	—	31 Dec 2015	13F
NORTHERN TRUST CORP	13F	Company	2.1%	505,411	$32,190,000	—	31 Dec 2015	13F
Crestwood Capital Management, L.P.	13F	Company	2.1%	499,200	$31,794,000	—	31 Dec 2015	13F
Conestoga Capital Advisors, LLC	13F	Company	2.1%	496,118	$31,598,000	—	31 Dec 2015	13F
ArrowMark Colorado Holdings LLC	13F	Company	2.1%	492,168	$31,346,000	—	31 Dec 2015	13F
LOOMIS SAYLES & CO L P	13F	Company	1.7%	413,680	$26,348,000	—	31 Dec 2015	13F
PRICE T ROWE ASSOCIATES INC /MD/	13F	Company	1.7%	410,136	$26,122,000	—	31 Dec 2015	13F
FIDUCIARY MANAGEMENT ASSOCIATES LLC	13F	Company	1.7%	405,172	$25,806,000	—	31 Dec 2015	13F
Ranger Investment Management, L.P.	13F	Company	1.6%	385,700	$24,565,000	—	31 Dec 2015	13F
STATE STREET CORP	13F	Company	1.6%	370,488	$23,593,000	—	31 Dec 2015	13F
EAGLE ASSET MANAGEMENT INC	13F	Company	1.6%	368,583	$23,475,000	—	31 Dec 2015	13F
Artisan Partners Limited Partnership	13F	Company	1.4%	319,682	$20,361,000	—	31 Dec 2015	13F
DIMENSIONAL FUND ADVISORS LP	13F	Company	1.3%	317,295	$20,209,000	—	31 Dec 2015	13F
BANK OF AMERICA CORP /DE/	13F	Company	1.2%	289,164	$18,418,000	—	31 Dec 2015	13F
AMERIPRISE FINANCIAL INC	13F	Company	1.2%	273,151	$17,398,000	—	31 Dec 2015	13F
ROYAL BANK OF CANADA	13F	Company	1.1%	266,654	$16,982,000	—	31 Dec 2015	13F
Polar Capital LLP	13F	Company	1%	243,380	$15,501,000	—	31 Dec 2015	13F
THRIVENT FINANCIAL FOR LUTHERANS	13F	Company	1%	235,432	$14,994,000	—	31 Dec 2015	13F
MAIRS & POWER INC	13F	Company	0.92%	218,219	$13,898,000	—	31 Dec 2015	13F
FRANKLIN RESOURCES INC	13F	Company	0.9%	213,897	$13,623,000	—	31 Dec 2015	13F
Quantum Capital Management, LLC / NJ	13F	Company	0.9%	212,174	$13,513,000	—	31 Dec 2015	13F
Nationwide Fund Advisors	13F	Company	0.89%	211,474	$13,469,000	—	31 Dec 2015	13F
FRED ALGER MANAGEMENT, LLC	13F	Company	0.89%	210,962	$13,436,000	—	31 Dec 2015	13F
Summit Creek Advisors LLC	13F	Company	0.88%	207,826	$13,236,000	—	31 Dec 2015	13F
RUSSELL FRANK CO/	13F	Company	0.79%	188,001	$12,065,000	—	31 Dec 2015	13F
TIVERTON ASSET MANAGEMENT LLC	13F	Company	0.78%	185,000	$11,783,000	—	31 Dec 2015	13F
Century Capital Management, LLC	13F	Company	0.76%	180,712	$11,510,000	—	31 Dec 2015	13F
NORGES BANK	13F	Company	0.75%	176,827	$11,262,000	—	31 Dec 2015	13F
JANUS HENDERSON GROUP PLC	13F	Company	0.74%	174,574	$11,119,000	—	31 Dec 2015	13F
Capital Investment Services of America, Inc.	13F	Company	0.73%	172,431	$10,982,000	—	31 Dec 2015	13F
GILDER GAGNON HOWE & CO LLC	13F	Company	0.7%	166,697	$10,617,000	—	31 Dec 2015	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	0.62%	146,124	$9,306,000	—	31 Dec 2015	13F
PEAK6 Group LLC	13F	Company	0.55%	129,545	$8,251,000	—	31 Dec 2015	13F
Bank of New York Mellon Corp	13F	Company	0.53%	125,979	$8,024,000	—	31 Dec 2015	13F

Institutional Holders of Proto Labs Inc - Common Stock (PRLB) as of Q1 2016

As of 31 Mar 2016, Proto Labs Inc - Common Stock (PRLB) was held by 207 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 29,003,063 shares. The largest 10 holders included BROWN CAPITAL MANAGEMENT LLC, VANGUARD GROUP INC, RIVERBRIDGE PARTNERS LLC, BlackRock Fund Advisors, JANUS CAPITAL MANAGEMENT LLC, WELLS FARGO & COMPANY/MN, Abdiel Capital Advisors, LP, WASATCH ADVISORS INC, BLAIR WILLIAM & CO/IL, and GW&K Investment Management, LLC. This page lists 207 institutional shareholders reporting positions in this security for the Q1 2016 filing period.

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

Compare Q1 2016 vs Q4 2015 Across Filers

Q4 2015 holders

195

Q1 2016 holders

207

Holder diff

Investor	Q4 2015 Shares	Q1 2016 Shares	Share Diff	Share Chg %	Q4 2015 Value $	Q1 2016 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.