Dark
Light
System
Security
PROTO LABS INC COM
PROTO LABS INC COM. Institutional holdings reported to the SEC.

Institutional Holders (2017Q2)
Portfolio Summary: 212 Institutional holders with a total value of $1,885,899,820.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 BROWN CAPITAL MANAGEMENT LLC 3,807,888 256,080,000 13.58%
2 BlackRock Finance, Inc. 2,880,329 193,702,000 10.27%
3 VANGUARD GROUP INC 2,176,051 146,339,000 7.76%
4 RIVERBRIDGE PARTNERS LLC 1,967,865 132,339,000 7.02%
5 ArrowMark Colorado Holdings LLC 1,428,137 96,042,000 5.09%
6 JANUS HENDERSON GROUP PLC 1,301,429 87,521,000 4.64%
7 DISCIPLINED GROWTH INVESTORS INC /MN 965,215 64,911,000 3.44%
8 TimesSquare Capital Management, LLC 806,375 54,229,000 2.88%
9 JPMORGAN CHASE & CO 768,676 51,694,000 2.74%
10 Stephens Investment Management Group LLC 705,549 47,448,000 2.52%
11 NEW YORK STATE COMMON RETIREMENT FUND 638,269 42,924,000 2.28%
12 STATE STREET CORP 595,748 40,063,000 2.12%
13 MAIRS & POWER INC 508,277 34,182,000 1.81%
14 Bank of New York Mellon Corp 498,198 33,504,000 1.78%
15 NORGES BANK 471,527 31,710,000 1.68%
16 Capital Research Global Investors 466,700 31,386,000 1.66%
17 HANDELSBANKEN FONDER AB 466,036 31,341,000 1.66%
18 Conestoga Capital Advisors, LLC 448,818 30,183,000 1.60%
19 NORTHERN TRUST CORP 403,419 27,130,000 1.44%
20 DIMENSIONAL FUND ADVISORS LP 390,697 26,274,000 1.39%
21 LORD, ABBETT & CO. LLC 317,486 21,351,000 1.13%
22 ROYAL BANK OF CANADA 269,375 18,116,000 0.96%
23 AMERIPRISE FINANCIAL INC 266,062 17,891,000 0.95%
24 ARK INVESTMENT MANAGEMENT LLC 207,577 13,960,000 0.74%
25 Nationwide Fund Advisors 207,242 13,937,000 0.74%
26 BANK OF AMERICA CORP /DE/ 199,865 13,441,000 0.71%
27 GEODE CAPITAL MANAGEMENT, LLC 196,994 13,247,000 0.70%
28 BLAIR WILLIAM & CO/IL 189,189 12,723,000 0.67%
29 PRINCIPAL FINANCIAL GROUP INC 188,853 12,700,000 0.67%
30 Quantum Capital Management, LLC / NJ 156,285 10,510,000 0.56%
31 Capital Investment Services of America, Inc. 146,104 9,825,000 0.52%
32 PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO 140,000 9,415,000 0.50%
33 FIRST TRUST ADVISORS LP 136,233 9,162,000 0.49%
34 LAZARD ASSET MANAGEMENT LLC 132,200 8,890,000 0.47%
35 AMERICAN CAPITAL MANAGEMENT INC 132,061 8,881,000 0.47%
36 TIVERTON ASSET MANAGEMENT LLC 112,990 7,599,000 0.40%
37 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 105,104 7,069,000 0.37%
38 SCHRODER INVESTMENT MANAGEMENT GROUP 98,002 6,542,000 0.35%
39 THRIVENT FINANCIAL FOR LUTHERANS 96,742 6,506,000 0.34%
40 MORGAN STANLEY 95,610 6,430,000 0.34%
41 GS INVESTMENTS, INC. 91,570 6,158,083 0.33%
42 Polar Capital LLP 91,169 6,127,000 0.32%
43 PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO 82,900 5,575,000 0.30%
44 SUSQUEHANNA INTERNATIONAL GROUP, LLP 74,200 4,990,000 0.26% Call
45 HANDELSINVEST INVESTERINGSFORVALTNING 69,471 4,672,000 0.25%
46 TIAA CREF INVESTMENT MANAGEMENT LLC 67,242 4,522,000 0.24%
47 FRED ALGER MANAGEMENT, LLC 62,628 4,212,000 0.22%
48 ROYCE & ASSOCIATES LP 61,603 4,143,000 0.22%
49 PRUDENTIAL FINANCIAL INC 58,200 3,914,000 0.21%
50 SCOUT INVESTMENTS, INC. 57,050 3,837,000 0.20%
Page 1 of 5

From 2023-01-03 onward, the SEC requires values to be reported in nearest dollars. Earlier filings reported values in thousands; therefore, positions shown as $0 in older filings may represent actual values between $0–$999.