THOMPSON DAVIS & CO., INC. - ALPHA PRO TECH LTD ownership

ALPHA PRO TECH LTD's ticker is APT and the CUSIP is 020772109. A total of 23 filers reported holding ALPHA PRO TECH LTD in Q3 2014. The put-call ratio across all filers is - and the average weighting 0.0%.

Quarter-by-quarter ownership
THOMPSON DAVIS & CO., INC. ownership history of ALPHA PRO TECH LTD
ValueSharesWeighting
Q2 2016$2,000
-94.1%
1,000
-94.7%
0.00%
-94.1%
Q1 2016$34,000
+750.0%
18,812
+840.6%
0.05%
+920.0%
Q2 2015$4,000
-98.4%
2,000
-97.5%
0.01%
-98.5%
Q3 2014$256,00078,8000.33%
Other shareholders
ALPHA PRO TECH LTD shareholders Q3 2014
NameSharesValueWeighting ↓
NEEDHAM INVESTMENT MANAGEMENT LLC 220,000$884,4000.16%
ESSEX INVESTMENT MANAGEMENT CO LLC 157,728$6340.10%
Lion Street Advisors, LLC 11,088$66,7500.04%
Legato Capital Management LLC 13,344$53,6430.01%
Virtu Financial LLC 11,247$450.01%
BRIDGEWAY CAPITAL MANAGEMENT, LLC 52,900$212,6580.01%
Renaissance Technologies 561,463$2,2570.00%
O'SHAUGHNESSY ASSET MANAGEMENT, LLC 17,617$70,8200.00%
GROUP ONE TRADING, L.P. 69,329$278,7030.00%
PEAK6 Investments LLC 31,600$127,0320.00%
View complete list of ALPHA PRO TECH LTD shareholders