GROUP ONE TRADING, L.P. - SEI INVESTMENTS CO ownership

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SEI INVESTMENTS CO's ticker is and the CUSIP is 784117953. A total of 1 filers reported holding SEI INVESTMENTS CO 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 SEI INVESTMENTS CO
ValueSharesWeighting
Q3 2021$42,000
-2.3%
7000.0%0.00%–
Q2 2021$43,000
-91.5%
700
-92.2%
0.00%
-100.0%
Q2 2019$505,000
-58.7%
9,000
-55.0%
0.01%
-50.0%
Q3 2018$1,222,000
+1529.3%
20,000
+1900.0%
0.01%
+900.0%
Q1 2018$75,000–1,000–0.00%–
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Other shareholders
SEI INVESTMENTS CO shareholders Q4 2018
NameSharesValueWeighting ↓
GROUP ONE TRADING, L.P. 9,000$505,0000.01%
SIMPLEX TRADING, LLC 2$11,0000.00%
CONCOURSE FINANCIAL GROUP SECURITIES, INC. 0$00.00%
View complete list of SEI INVESTMENTS CO shareholders