GROUP ONE TRADING, L.P. - NANOMETRICS INC ownership

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NANOMETRICS INC's ticker is and the CUSIP is 630077955. A total of 3 filers reported holding NANOMETRICS INC in Q4 2018. 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 NANOMETRICS INC
ValueSharesWeighting
Q1 2019$3,000
-90.0%
100
-90.9%
0.00%–
Q4 2018$30,000
-33.3%
1,100
-8.3%
0.00%–
Q3 2018$45,000
+32.4%
1,200
-47.8%
0.00%
-100.0%
Q2 2013$34,000–2,300–0.00%–
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Other shareholders
NANOMETRICS INC shareholders Q4 2018
NameSharesValueWeighting ↓
SIMPLEX TRADING, LLC 109$297,0000.00%
GROUP ONE TRADING, L.P. 1,100$30,0000.00%
CONCOURSE FINANCIAL GROUP SECURITIES, INC. 0$00.00%
View complete list of NANOMETRICS INC shareholders