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: 23,784,333
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

Security key

743713109

Report period

Q1 2016

Institutions

207

Top holders

PRLB full security history Ownership snapshot Full 13F holder table Newer quarter: Q2 2016 Previous quarter: Q4 2015 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: Q2 2016 Previous quarter: Q4 2015

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

BROWN CAPITAL MANAGEMENT LLC

13D/G signal

—

Evidence rows

Latest as of

31 Dec 2015

13F Lead comparable stake: 11% Showing first 8 of 50 holder rows. Open remaining rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
BROWN CAPITAL MANAGEMENT LLC	13F Company 13F	11%	$165,379,000 2,596,629 shares	—	31 Dec 2015
RIVERBRIDGE PARTNERS LLC	13F Company 13F	7.5%	$113,583,000 1,783,365 shares	—	31 Dec 2015
VANGUARD GROUP INC	13F Company 13F	6.7%	$102,154,000 1,603,922 shares	—	31 Dec 2015
JANUS HENDERSON INVESTORS US LLC	13F Company 13F	5.2%	$78,945,000 1,239,523 shares	—	31 Dec 2015
WELLS FARGO & COMPANY/MN	13F Company 13F	3.5%	$52,854,000 829,858 shares	—	31 Dec 2015
Abdiel Capital Advisors, LP	13F Company 13F	3.3%	$50,605,000 794,545 shares	—	31 Dec 2015
BLAIR WILLIAM & CO/IL	13F Company 13F	3.1%	$47,045,000 738,661 shares	—	31 Dec 2015
TimesSquare Capital Management, LLC	13F Company 13F	3%	$46,089,000 723,650 shares	—	31 Dec 2015

Show 42 additional holder rows in the full holder list

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
GW&K Investment Management, LLC	13F Company 13F	2.7%	$40,235,000 631,736 shares	—	31 Dec 2015
WASATCH ADVISORS LP	13F Company 13F	2.6%	$39,959,000 627,391 shares	—	31 Dec 2015
BlackRock Institutional Trust Company, N.A.	13F Company 13F	2.4%	$36,985,000 580,710 shares	—	31 Dec 2015
BlackRock Fund Advisors	13F Company 13F	2.4%	$36,891,000 579,228 shares	—	31 Dec 2015
LORD, ABBETT & CO. LLC	13F Company 13F	2.3%	$34,633,000 543,779 shares	—	31 Dec 2015
Stephens Investment Management Group LLC	13F Company 13F	2.2%	$33,772,000 530,261 shares	—	31 Dec 2015
Apex Capital Management	13F Company 13F	2.2%	$33,252,000 522,097 shares	—	31 Dec 2015
KORNITZER CAPITAL MANAGEMENT INC /KS	13F Company 13F	2.2%	$32,833,000 515,515 shares	—	31 Dec 2015
NEW YORK STATE COMMON RETIREMENT FUND	13F Company 13F	2.2%	$32,797,000 514,944 shares	—	31 Dec 2015
NORTHERN TRUST CORP	13F Company 13F	2.1%	$32,190,000 505,411 shares	—	31 Dec 2015
Crestwood Capital Management, L.P.	13F Company 13F	2.1%	$31,794,000 499,200 shares	—	31 Dec 2015
Conestoga Capital Advisors, LLC	13F Company 13F	2.1%	$31,598,000 496,118 shares	—	31 Dec 2015
ArrowMark Colorado Holdings LLC	13F Company 13F	2.1%	$31,346,000 492,168 shares	—	31 Dec 2015
LOOMIS SAYLES & CO L P	13F Company 13F	1.7%	$26,348,000 413,680 shares	—	31 Dec 2015
PRICE T ROWE ASSOCIATES INC /MD/	13F Company 13F	1.7%	$26,122,000 410,136 shares	—	31 Dec 2015
FIDUCIARY MANAGEMENT ASSOCIATES LLC	13F Company 13F	1.7%	$25,806,000 405,172 shares	—	31 Dec 2015
Ranger Investment Management, L.P.	13F Company 13F	1.6%	$24,565,000 385,700 shares	—	31 Dec 2015
STATE STREET CORP	13F Company 13F	1.6%	$23,593,000 370,488 shares	—	31 Dec 2015
EAGLE ASSET MANAGEMENT INC	13F Company 13F	1.5%	$23,475,000 368,583 shares	—	31 Dec 2015
Artisan Partners Limited Partnership	13F Company 13F	1.3%	$20,361,000 319,682 shares	—	31 Dec 2015
DIMENSIONAL FUND ADVISORS LP	13F Company 13F	1.3%	$20,209,000 317,295 shares	—	31 Dec 2015
BANK OF AMERICA CORP /DE/	13F Company 13F	1.2%	$18,418,000 289,164 shares	—	31 Dec 2015
AMERIPRISE FINANCIAL INC	13F Company 13F	1.1%	$17,398,000 273,151 shares	—	31 Dec 2015
ROYAL BANK OF CANADA	13F Company 13F	1.1%	$16,982,000 266,654 shares	—	31 Dec 2015
Polar Capital LLP	13F Company 13F	1%	$15,501,000 243,380 shares	—	31 Dec 2015
THRIVENT FINANCIAL FOR LUTHERANS	13F Company 13F	0.99%	$14,994,000 235,432 shares	—	31 Dec 2015
MAIRS & POWER INC	13F Company 13F	0.92%	$13,898,000 218,219 shares	—	31 Dec 2015
FRANKLIN RESOURCES INC	13F Company 13F	0.9%	$13,623,000 213,897 shares	—	31 Dec 2015
Quantum Capital Management, LLC / NJ	13F Company 13F	0.89%	$13,513,000 212,174 shares	—	31 Dec 2015
Nationwide Fund Advisors	13F Company 13F	0.89%	$13,469,000 211,474 shares	—	31 Dec 2015
FRED ALGER MANAGEMENT, LLC	13F Company 13F	0.89%	$13,436,000 210,962 shares	—	31 Dec 2015
Summit Creek Advisors LLC	13F Company 13F	0.87%	$13,236,000 207,826 shares	—	31 Dec 2015
RUSSELL FRANK CO/	13F Company 13F	0.79%	$12,065,000 188,001 shares	—	31 Dec 2015
TIVERTON ASSET MANAGEMENT LLC	13F Company 13F	0.78%	$11,783,000 185,000 shares	—	31 Dec 2015
Century Capital Management, LLC	13F Company 13F	0.76%	$11,510,000 180,712 shares	—	31 Dec 2015
NORGES BANK	13F Company 13F	0.74%	$11,262,000 176,827 shares	—	31 Dec 2015
JANUS HENDERSON GROUP PLC	13F Company 13F	0.73%	$11,119,000 174,574 shares	—	31 Dec 2015
Capital Investment Services of America, Inc.	13F Company 13F	0.72%	$10,982,000 172,431 shares	—	31 Dec 2015
GILDER GAGNON HOWE & CO LLC	13F Company 13F	0.7%	$10,617,000 166,697 shares	—	31 Dec 2015
GEODE CAPITAL MANAGEMENT, LLC	13F Company 13F	0.61%	$9,306,000 146,124 shares	—	31 Dec 2015
PEAK6 Group LLC	13F Company 13F	0.54%	$8,251,000 129,545 shares	—	31 Dec 2015
Bank of New York Mellon Corp	13F Company 13F	0.53%	$8,024,000 125,979 shares	—	31 Dec 2015

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 Q1 2016

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

Institutions

207

29,003,063

Rows loaded

207

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 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 change	Value Chg %

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

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend