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

Institutional Holders (2014Q3)
Portfolio Summary: 195 Institutional holders with a total value of $1,719,534,736.
#
Manager Name
Shares
Value ($)
%
Options
Notes
51 D.A. DAVIDSON & CO. 3,860 264,000 0.02%
52 COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS 3,945 272,000 0.02%
53 REGIONS FINANCIAL CORP 3,946 272,000 0.02%
54 PRINCIPAL FINANCIAL GROUP INC 4,150 286,000 0.02%
55 OAK ASSOCIATES LTD /OH/ 4,175 288,000 0.02%
56 GOLDMAN SACHS GROUP INC 4,600 317,000 0.02% Call
57 Quantbot Technologies LP 4,870 336,000 0.02%
58 FORTALEZA ASSET MANAGEMENT INC/ 4,895 338,000 0.02%
59 Walleye Trading LLC 5,000 346,000 0.02% Put
60 KENNEDY CAPITAL MANAGEMENT LLC 5,022 347,000 0.02%
61 LPL Financial LLC 5,183 350,000 0.02%
62 KEYBANK NATIONAL ASSOCIATION/OH 5,126 354,000 0.02%
63 GOLDMAN SACHS GROUP INC 5,200 359,000 0.02% Put
64 CITADEL ADVISORS LLC 5,660 391,000 0.02%
65 M&T BANK CORP 5,723 395,000 0.02%
66 OLD NATIONAL BANCORP /IN/ 5,746 396,000 0.02%
67 UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 6,300 435,000 0.03%
68 HUNTINGTON NATIONAL BANK 6,497 448,000 0.03%
69 AQR CAPITAL MANAGEMENT LLC 6,900 476,000 0.03%
70 COMMERCE BANK 6,947 480,000 0.03%
71 CITIGROUP INC 7,132 493,000 0.03%
72 STEPHENS INC /AR/ 7,640 527,000 0.03%
73 People's United Financial, Inc. 7,712 532,000 0.03%
74 ALPS ADVISORS INC 7,825 540,000 0.03%
75 Cubist Systematic Strategies, LLC 8,100 559,000 0.03%
76 PNC FINANCIAL SERVICES GROUP, INC. 8,757 604,000 0.04%
77 ProShare Advisors LLC 8,992 620,000 0.04%
78 Calamos Wealth Management LLC 9,081 627,000 0.04%
79 D. E. Shaw & Co., Inc. 9,800 676,000 0.04% Put
80 ALPINE WOODS CAPITAL INVESTORS, LLC 10,000 690,000 0.04%
81 Evercore Wealth Management, LLC 10,000 690,000 0.04%
82 RAYMOND JAMES & ASSOCIATES 10,106 697,000 0.04%
83 GOLDMAN SACHS GROUP INC 10,099 697,000 0.04%
84 FIRST MERCANTILE TRUST CO 10,703 739,000 0.04%
85 VOYA INVESTMENT MANAGEMENT LLC 11,384 785,000 0.05%
86 ROSENBLUM SILVERMAN SUTTON S F INC /CA 12,195 841,000 0.05%
87 Lisanti Capital Growth, LLC 12,200 842,000 0.05%
88 Walleye Trading LLC 12,400 857,000 0.05% Call
89 A.R.T. Advisors, LLC 12,426 857,000 0.05%
90 STIFEL FINANCIAL CORP 12,792 882,000 0.05%
91 BLACKROCK ADVISORS LLC 12,817 884,000 0.05%
92 CREDIT SUISSE AG/ 13,687 944,000 0.05%
93 STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM 15,313 1,057,000 0.06%
94 FDx Advisors, Inc. 15,424 1,064,000 0.06%
95 STRS OHIO 15,700 1,083,000 0.06%
96 AXIOM INVESTORS LLC /DE 16,010 1,105,000 0.06%
97 FALCON POINT CAPITAL, LLC 16,472 1,137,000 0.07%
98 AMERICAN INTERNATIONAL GROUP, INC. 16,593 1,144,917 0.07%
99 FEDERATED HERMES, INC. 16,671 1,150,000 0.07%
100 METROPOLITAN LIFE INSURANCE CO/NY 17,453 1,204,000 0.07%
Page 2 of 4

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.