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

Institutional Holders (2015Q3)
Portfolio Summary: 29 Institutional holders with a total value of $6,096,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 RENAISSANCE TECHNOLOGIES LLC 1,457,198 2,900,000 47.57%
2 Granite Investment Partners, LLC 561,244 1,116,000 18.31%
3 VANGUARD GROUP INC 307,215 611,000 10.02%
4 BRIDGEWAY CAPITAL MANAGEMENT, LLC 217,443 433,000 7.10%
5 DIMENSIONAL FUND ADVISORS LP 72,697 145,000 2.38%
6 GOLDMAN SACHS GROUP INC 71,306 142,000 2.33%
7 Spot Trading L.L.C 62,800 125,000 2.05% Call
8 BlackRock Fund Advisors 48,063 96,000 1.57%
9 SUSQUEHANNA INTERNATIONAL GROUP, LLP 43,000 86,000 1.41% Put
10 CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 40,800 81,000 1.33%
11 Virtu KCG Holdings LLC 32,541 65,000 1.07%
12 SUSQUEHANNA INTERNATIONAL GROUP, LLP 26,278 52,000 0.85%
13 SUSQUEHANNA INTERNATIONAL GROUP, LLP 23,200 46,000 0.75% Call
14 NORTHERN TRUST CORP 19,194 38,000 0.62%
15 MILLENNIUM MANAGEMENT LLC 16,727 33,000 0.54%
16 JAMES INVESTMENT RESEARCH, INC. 16,050 32,000 0.52%
17 PEAK6 Group LLC 10,000 20,000 0.33% Call
18 WealthTrust Axiom LLC 10,000 19,000 0.31%
19 ROYAL BANK OF CANADA 6,750 13,000 0.21%
20 BANK OF AMERICA CORP /DE/ 5,548 11,000 0.18%
21 JBF Capital, Inc. 3,600 7,000 0.11%
22 SIMPLEX TRADING, LLC 3,020 6,000 0.10%
23 BlackRock Investment Management, LLC 2,302 5,000 0.08%
24 Tower Research Capital LLC (TRC) 1,802 4,000 0.07%
25 UBS Group AG 2,000 4,000 0.07%
26 CITADEL ADVISORS LLC 899 2,000 0.03%
27 MORGAN STANLEY 1,100 2,000 0.03%
28 NEXT Financial Group, Inc 600 1,000 0.02%
29 Creative Planning 700 1,000 0.02%

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.