SIMPLEX TRADING, LLC - SEACOR MARINE HLDGS INC ownership

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SEACOR MARINE HLDGS INC's ticker is and the CUSIP is 78413P951. A total of 2 filers reported holding SEACOR MARINE HLDGS INC in Q3 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 SEACOR MARINE HLDGS INC
ValueSharesWeighting
Q3 2021$72,000
+4.3%
15,7000.0%0.00%–
Q2 2021$69,000
-66.5%
15,700
+3956.8%
0.00%–
Q1 2021$206,000
+20500.0%
387
+7640.0%
0.00%–
Q4 2020$1,000–5
+150.0%
0.00%–
Q3 2020$0–2
+100.0%
0.00%–
Q2 2020$0–1–0.00%–
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Other shareholders
SEACOR MARINE HLDGS INC shareholders Q3 2021
NameSharesValueWeighting ↓
CONCOURSE FINANCIAL GROUP SECURITIES, INC. 0$00.00%
GROUP ONE TRADING, L.P. 1,500$8,0000.00%
SIMPLEX TRADING, LLC 387$206,0000.00%
View complete list of SEACOR MARINE HLDGS INC shareholders