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ALPHA PRO TECH LTD
ALPHA PRO TECH LTD. Institutional holdings reported to the SEC.

Institutional Holders (2016Q4)
Portfolio Summary: 33 Institutional holders with a total value of $12,825,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 RENAISSANCE TECHNOLOGIES LLC 1,505,410 5,269,000 41.08%
2 VANGUARD GROUP INC 467,636 1,636,000 12.76%
3 BRIDGEWAY CAPITAL MANAGEMENT, LLC 262,443 919,000 7.17%
4 Granite Investment Partners, LLC 231,131 808,000 6.30%
5 DIMENSIONAL FUND ADVISORS LP 167,100 585,000 4.56%
6 Ancora Advisors LLC 162,300 568,000 4.43%
7 Nationwide Fund Advisors 114,160 400,000 3.12%
8 DEUTSCHE BANK AG\ 111,621 390,000 3.04%
9 Municipal Employees' Retirement System of Michigan 93,120 326,000 2.54%
10 EAGLE GLOBAL ADVISORS LLC 89,708 314,000 2.45%
11 Spark Investment Management LLC 69,000 241,000 1.88%
12 ACROSPIRE INVESTMENT MANAGEMENT LLC 66,279 232,000 1.81%
13 BlackRock Fund Advisors 46,256 162,000 1.26%
14 CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 40,800 143,000 1.12%
15 O'SHAUGHNESSY ASSET MANAGEMENT, LLC 40,092 140,000 1.09%
16 ClariVest Asset Management LLC 30,852 108,000 0.84%
17 PANAGORA ASSET MANAGEMENT INC 27,952 98,000 0.76%
18 WOLVERINE TRADING LP /BD 24,700 86,000 0.67% Call
19 MORGAN STANLEY 22,570 79,000 0.62%
20 NORTHERN TRUST CORP 22,213 78,000 0.61%
21 SUSQUEHANNA INTERNATIONAL GROUP, LLP 14,272 50,000 0.39%
22 WOLVERINE TRADING LP /BD 10,768 38,000 0.30%
23 WealthTrust Axiom LLC 10,000 35,000 0.27%
24 Walleye Trading LLC 7,400 26,000 0.20%
25 ACADIAN ASSET MANAGEMENT LLC 6,319 22,000 0.17%
26 ROYAL BANK OF CANADA 6,000 21,000 0.16%
27 BANK OF AMERICA CORP /DE/ 5,590 19,000 0.15%
28 UBS Group AG 3,485 12,000 0.09%
29 BlackRock Investment Management, LLC 2,605 9,000 0.07%
30 MINICHMACGREGOR WEALTH MANAGEMENT, LLC 2,000 7,000 0.05%
31 GROUP ONE TRADING LLC 700 2,000 0.02%
32 CUTLER GROUP LLC / CA 400 1,000 0.01%
33 NEXT Financial Group, Inc 400 1,000 0.01%

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.