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

ALPHA PRO TECH LTD's ticker is APT and the CUSIP is 020772109. A total of 27 filers reported holding ALPHA PRO TECH LTD in Q3 2015. The put-call ratio across all filers is 0.45 and the average weighting 0.0%.

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$52,00022,9250.00%
Other shareholders
ALPHA PRO TECH LTD shareholders Q3 2015
NameSharesValueWeighting ↓
NEEDHAM INVESTMENT MANAGEMENT LLC 75,000$448,0000.06%
Benchmark Financial Wealth Advisors, LLC 11,000$66,0000.03%
Anson Funds Management LP 22,310$133,0000.01%
Advisory Services Network, LLC 67,450$403,0000.01%
PDT Partners, LLC 18,344$110,0000.01%
Jacobi Capital Management LLC 10,000$60,0000.01%
WINTON GROUP Ltd 14,517$87,0000.01%
Renaissance Technologies 611,163$3,649,0000.01%
BRIDGEWAY CAPITAL MANAGEMENT, LLC 41,000$245,0000.01%
SALEM INVESTMENT COUNSELORS INC 7,372$44,0000.00%
View complete list of ALPHA PRO TECH LTD shareholders