SIMPLEX TRADING, LLC - SIGMA LABS INC ownership

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SIGMA LABS INC's ticker is and the CUSIP is 826598950. A total of 2 filers reported holding SIGMA LABS INC in Q4 2021. The put-call ratio across all filers is - and the average weighting 0.0%.

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Quarter-by-quarter ownership
SIMPLEX TRADING, LLC ownership history of SIGMA LABS INC
ValueSharesWeighting
Q2 2022$0
-100.0%
600
-89.1%
0.00%–
Q1 2022$11,000
-47.6%
5,500
-52.6%
0.00%–
Q4 2021$21,000
-71.6%
11,600
-40.2%
0.00%–
Q3 2021$74,000
-1.3%
19,4000.0%0.00%–
Q2 2021$75,000
-23.5%
19,400
+7220.8%
0.00%–
Q1 2021$98,000–265–0.00%–
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Other shareholders
SIGMA LABS INC shareholders Q4 2021
NameSharesValueWeighting ↓
CONCOURSE FINANCIAL GROUP SECURITIES, INC. 0$00.00%
SIMPLEX TRADING, LLC 11,600$21,0000.00%
View complete list of SIGMA LABS INC shareholders