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
101 CREDIT SUISSE AG/ 11,539 776,000 0.04%
102 ADVISORY RESEARCH INC 12,314 828,000 0.04%
103 PUBLIC SECTOR PENSION INVESTMENT BOARD 12,500 841,000 0.04%
104 UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 12,520 841,970 0.04%
105 Arizona State Retirement System 12,700 854,000 0.05%
106 FMR LLC 12,808 861,000 0.05%
107 FLINTON CAPITAL MANAGEMENT LLC 13,216 889,000 0.05%
108 Dorsey & Whitney Trust CO LLC 13,995 941,000 0.05%
109 GROUP ONE TRADING LLC 14,809 996,000 0.05%
110 Avalon Investment & Advisory 14,964 1,006,000 0.05%
111 STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM 15,022 1,010,000 0.05%
112 Lisanti Capital Growth, LLC 15,930 1,071,000 0.06%
113 STIFEL FINANCIAL CORP 16,399 1,103,000 0.06%
114 DENVER INVESTMENT ADVISORS LLC 16,420 1,104,000 0.06%
115 RUSSELL INVESTMENTS GROUP, LTD. 16,501 1,110,000 0.06%
116 DUPONT CAPITAL MANAGEMENT CORP 16,588 1,116,000 0.06%
117 PRICE T ROWE ASSOCIATES INC /MD/ 16,989 1,143,000 0.06%
118 CHATHAM CAPITAL GROUP, INC. 17,040 1,146,000 0.06%
119 METROPOLITAN LIFE INSURANCE CO/NY 17,435 1,173,000 0.06%
120 Redmond Asset Management, LLC 17,460 1,174,000 0.06%
121 TEXAS PERMANENT SCHOOL FUND CORP 17,797 1,197,000 0.06%
122 MEADOW CREEK INVESTMENT MANAGEMENT LLC 18,172 1,222,000 0.06%
123 AMERICAN INTERNATIONAL GROUP, INC. 18,522 1,246,000 0.07%
124 CITADEL ADVISORS LLC 18,958 1,275,000 0.07%
125 MANUFACTURERS LIFE INSURANCE COMPANY, THE 19,032 1,280,000 0.07%
126 PEAK6 Group LLC 20,412 1,373,000 0.07%
127 State of Tennessee, Department of Treasury 22,130 1,488,000 0.08%
128 Walleye Trading LLC 22,200 1,494,000 0.08% Put
129 GLEN HARBOR CAPITAL MANAGEMENT LLC 23,128 1,555,000 0.08%
130 PEAK6 Group LLC 26,300 1,769,000 0.09% Put
131 COMERICA BANK 25,575 1,816,000 0.10%
132 ELKFORK PARTNERS LLC 28,084 1,889,000 0.10%
133 SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC 30,000 2,018,000 0.11%
134 GOLDMAN SACHS GROUP INC 30,185 2,030,000 0.11%
135 Invesco Ltd. 31,304 2,105,000 0.11%
136 BENDER ROBERT & ASSOCIATES 32,382 2,178,000 0.12%
137 WASATCH ADVISORS LP 33,200 2,233,000 0.12%
138 WELLS FARGO & COMPANY/MN 35,325 2,376,000 0.13%
139 BANK OF MONTREAL /CAN/ 35,968 2,419,000 0.13%
140 CANADA LIFE ASSURANCE Co 36,888 2,479,000 0.13%
141 ALLIANCEBERNSTEIN L.P. 37,450 2,519,000 0.13%
142 Motley Fool Asset Management LLC 40,000 2,690,000 0.14%
143 CREDIT AGRICOLE S A 40,720 2,738,000 0.15%
144 STATE OF WISCONSIN INVESTMENT BOARD 41,500 2,791,000 0.15%
145 Swiss National Bank 42,500 2,858,000 0.15%
146 Grandeur Peak Global Advisors, LLC 43,375 2,917,000 0.15%
147 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 43,916 2,953,000 0.16%
148 TEACHERS ADVISORS, LLC 45,180 3,038,000 0.16%
149 RHUMBLINE ADVISERS 46,699 3,141,000 0.17%
150 Legal & General Group Plc 47,003 3,161,000 0.17%
Page 3 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.