GROUP ONE TRADING, L.P. - ALPHA PRO TECH LTD ownership

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ALPHA PRO TECH LTD's ticker is and the CUSIP is 20772109. A total of 1 filers reported holding ALPHA PRO TECH LTD in Q4 2014. The put-call ratio across all filers is - and the average weighting 0.0%.

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Quarter-by-quarter ownership
GROUP ONE TRADING, L.P. ownership history of ALPHA PRO TECH LTD
ValueSharesWeighting
Q3 2016$3,000
-89.7%
700
-94.5%
0.00%–
Q2 2015$29,000
-21.6%
12,724
-22.1%
0.00%
-100.0%
Q1 2015$37,000
-22.9%
16,324
-12.6%
0.00%0.0%
Q4 2014$48,000–18,684–0.00%–
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Other shareholders
ALPHA PRO TECH LTD shareholders Q4 2014
NameSharesValueWeighting ↓
GROUP ONE TRADING, L.P. 18,684$48,0000.00%
View complete list of ALPHA PRO TECH LTD shareholders