NEEDHAM INVESTMENT MANAGEMENT LLC - ALPHA PRO TECH LTD ownership

ALPHA PRO TECH LTD's ticker is APT and the CUSIP is 020772109. A total of 72 filers reported holding ALPHA PRO TECH LTD in Q3 2020. The put-call ratio across all filers is 1.70 and the average weighting 0.0%.

Quarter-by-quarter ownership
NEEDHAM INVESTMENT MANAGEMENT LLC ownership history of ALPHA PRO TECH LTD
ValueSharesWeighting
Q3 2023$954,800
+9.0%
220,0000.0%0.16%
+12.5%
Q2 2023$875,600
-4.3%
220,0000.0%0.14%
-8.9%
Q1 2023$915,200
+3.5%
220,0000.0%0.16%
-1.2%
Q4 2022$884,400
-0.7%
220,0000.0%0.16%
-8.6%
Q3 2022$891,000
-9.2%
220,0000.0%0.18%
-4.4%
Q2 2022$981,000
+33.5%
220,000
+25.7%
0.18%
+72.6%
Q1 2022$735,000
+64.1%
175,000
+133.3%
0.11%
+89.3%
Q4 2021$448,000
-11.3%
75,0000.0%0.06%
-16.4%
Q3 2021$505,000
-21.5%
75,0000.0%0.07%
-28.7%
Q2 2021$643,000
-20.1%
75,000
-9.1%
0.09%
-14.5%
Q1 2021$805,000
-12.5%
82,5000.0%0.11%
-28.6%
Q4 2020$920,000
-63.4%
82,500
-51.5%
0.15%
-38.9%
Q3 2020$2,514,000
-14.0%
170,000
+3.0%
0.25%
-19.5%
Q2 2020$2,922,000
+193.1%
165,000
+100.0%
0.31%
+11.0%
Q1 2020$997,000
+70.7%
82,500
-51.5%
0.28%
+252.5%
Q4 2019$584,000
+100.0%
170,000
+109.9%
0.08%
-14.9%
Q3 2019$292,000
+41.7%
81,000
+33.8%
0.09%
+38.2%
Q2 2019$206,000
-4.2%
60,544
+1.2%
0.07%
-6.8%
Q1 2019$215,000
-3.2%
59,8430.0%0.07%
-12.0%
Q4 2018$222,000
+60.9%
59,843
+53.4%
0.08%
+97.6%
Q3 2018$138,000
+100.0%
39,000
+89.0%
0.04%
+121.1%
Q2 2018$69,00020,6370.02%
Other shareholders
ALPHA PRO TECH LTD shareholders Q3 2020
NameSharesValueWeighting ↓
Ancora Advisors LLC 167,000$559,0000.02%
Polar Asset Management Partners Inc. 675,854$2,264,0000.02%
Founders Capital Management 6,000$20,0000.02%
Municipal Employees' Retirement System of Michigan 93,120$312,0000.02%
WealthTrust Axiom LLC 10,000$33,0000.01%
Granite Investment Partners, LLC 50,251$168,0000.01%
BRIDGEWAY CAPITAL MANAGEMENT, LLC 262,443$879,0000.01%
Spark Investment Management LLC 31,600$105,0000.01%
Renaissance Technologies 1,250,910$4,191,0000.01%
O'SHAUGHNESSY ASSET MANAGEMENT, LLC 12,036$40,0000.00%
View complete list of ALPHA PRO TECH LTD shareholders