Spot Trading L.L.C - ALPHA PRO TECH LTD ownership

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ALPHA PRO TECH LTD's ticker is APT and the CUSIP is 020772109. A total of 28 filers reported holding ALPHA PRO TECH LTD in Q2 2015. The put-call ratio across all filers is 2.63 and the average weighting 0.0%.

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Quarter-by-quarter ownership
Spot Trading L.L.C ownership history of ALPHA PRO TECH LTD
ValueSharesWeighting
Q4 2015$92,000
-26.4%
52,800
-15.9%
0.00%0.0%
Q3 2015$125,000
+86.6%
62,800
+110.0%
0.00%–
Q2 2015$67,000
+28.8%
29,900
+30.4%
0.00%–
Q1 2015$52,000–22,925–0.00%–
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Other shareholders
ALPHA PRO TECH LTD shareholders Q2 2015
NameSharesValueWeighting ↓
NEEDHAM INVESTMENT MANAGEMENT LLC 220,000$915,2000.16%
ESSEX INVESTMENT MANAGEMENT CO LLC 157,728$656,1480.10%
Legato Capital Management LLC 13,344$55,5110.01%
BRIDGEWAY CAPITAL MANAGEMENT, LLC 61,800$257,0880.01%
Renaissance Technologies 627,465$2,6100.00%
O'SHAUGHNESSY ASSET MANAGEMENT, LLC 15,229$63,3530.00%
ACADIAN ASSET MANAGEMENT LLC 35,319$1460.00%
GEODE CAPITAL MANAGEMENT, LLC 95,911$398,9890.00%
BlackRock Finance, Inc. 225,057$936,2380.00%
Citadel Advisors 62,300$259,1680.00%
View complete list of ALPHA PRO TECH LTD shareholders