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 Lisanti Capital Growth, LLC 15,930 1,071,000 0.06%
102 STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM 15,022 1,010,000 0.05%
103 Avalon Investment & Advisory 14,964 1,006,000 0.05%
104 GROUP ONE TRADING LLC 14,809 996,000 0.05%
105 Dorsey & Whitney Trust CO LLC 13,995 941,000 0.05%
106 FLINTON CAPITAL MANAGEMENT LLC 13,216 889,000 0.05%
107 FMR LLC 12,808 861,000 0.05%
108 Arizona State Retirement System 12,700 854,000 0.05%
109 UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 12,520 841,970 0.04%
110 PUBLIC SECTOR PENSION INVESTMENT BOARD 12,500 841,000 0.04%
111 ADVISORY RESEARCH INC 12,314 828,000 0.04%
112 CREDIT SUISSE AG/ 11,539 776,000 0.04%
113 VOYA INVESTMENT MANAGEMENT LLC 11,192 753,000 0.04%
114 PNC FINANCIAL SERVICES GROUP, INC. 11,090 745,000 0.04%
115 CITADEL ADVISORS LLC 10,900 733,000 0.04% Call
116 SVENSKA HANDELSBANKEN AB (PUBL) 10,800 726,000 0.04%
117 VIRGINIA RETIREMENT SYSTEMS ET Al 10,300 693,000 0.04%
118 ROYAL BANK OF CANADA 10,000 673,000 0.04% Put
119 ROYAL BANK OF CANADA 10,000 673,000 0.04% Call
120 KORNITZER CAPITAL MANAGEMENT INC /KS 10,000 672,000 0.04%
121 Louisiana State Employees Retirement System 9,900 666,000 0.04%
122 NEW YORK STATE TEACHERS RETIREMENT SYSTEM 9,908 666,000 0.04%
123 STEPHENS INC /AR/ 8,808 592,000 0.03%
124 TEACHERS RETIREMENT SYSTEM OF THE STATE OF KENTUCKY 8,700 585,000 0.03%
125 FDx Advisors, Inc. 8,670 583,000 0.03%
126 TIEDEMANN ADVISORS, LLC 8,625 580,000 0.03%
127 KEYBANK NATIONAL ASSOCIATION/OH 8,539 574,000 0.03%
128 PRIVATE CAPITAL MANAGEMENT INC 8,100 545,000 0.03%
129 BNP PARIBAS FINANCIAL MARKETS 7,746 520,919 0.03%
130 CITADEL ADVISORS LLC 7,200 484,000 0.03% Put
131 1st Global Advisors, Inc. 6,932 466,000 0.02%
132 Aperio Group, LLC 6,882 463,000 0.02%
133 Perigon Wealth Management, LLC 6,428 432,000 0.02%
134 Bell Bank 6,362 428,000 0.02%
135 CITIGROUP INC 6,100 410,000 0.02% Call
136 TWO SIGMA INVESTMENTS, LP 6,068 408,000 0.02%
137 MASON STREET ADVISORS, LLC 6,011 404,000 0.02%
138 WEDBUSH SECURITIES INC 5,960 401,000 0.02%
139 Paloma Partners Management Co 5,966 401,000 0.02%
140 WHITE PINE CAPITAL LLC 5,895 396,000 0.02%
141 Municipal Employees' Retirement System of Michigan 5,760 387,000 0.02%
142 TURNER INVESTMENTS LLC 5,500 370,000 0.02%
143 LPL Financial LLC 5,345 359,000 0.02%
144 PIEDMONT INVESTMENT ADVISORS INC 5,271 354,000 0.02%
145 UBS Group AG 4,970 334,000 0.02%
146 HighTower Advisors, LLC 4,870 328,000 0.02%
147 CIM INVESTMENT MANAGEMENT INC 4,859 327,000 0.02%
148 State of Alaska, Department of Revenue 4,814 323,000 0.02%
149 FIRST MERCANTILE TRUST CO 4,662 314,000 0.02%
150 CAPSTONE ASSET MANAGEMENT CO 4,363 293,000 0.02%
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.