SIMPLEX TRADING, LLC - MARSH & MCLENNAN COS INC ownership

MARSH & MCLENNAN COS INC's ticker is and the CUSIP is 571748902. A total of 3 filers reported holding MARSH & MCLENNAN COS INC in Q4 2020. The put-call ratio across all filers is - and the average weighting 0.0%.

Quarter-by-quarter ownership
SIMPLEX TRADING, LLC ownership history of MARSH & MCLENNAN COS INC
ValueSharesWeighting
Q3 2023$3,901
+446.4%
20,500
+439.5%
0.00%
+200.0%
Q2 2023$714
-78.3%
3,800
-80.8%
0.00%
-66.7%
Q1 2023$3,297
+119.1%
19,800
+117.6%
0.00%
+50.0%
Q4 2022$1,505
-99.7%
9,100
+160.0%
0.00%
+100.0%
Q3 2022$522,000
-89.5%
3,500
-89.1%
0.00%
-80.0%
Q2 2022$4,983,000
+46.2%
32,100
+60.5%
0.01%
+66.7%
Q1 2022$3,408,000
-7.5%
20,000
-5.7%
0.00%
-25.0%
Q4 2021$3,684,000
+223.7%
21,200
+165.0%
0.00%
+300.0%
Q3 2021$1,138,000
+1.2%
8,0000.0%0.00%0.0%
Q2 2021$1,125,000
-41.5%
8,000
+4963.3%
0.00%
-66.7%
Q1 2021$1,924,000
-34.7%
158
-37.3%
0.00%
-25.0%
Q4 2020$2,948,000
-51.3%
252
-52.3%
0.00%
-50.0%
Q3 2020$6,056,000
+128.4%
528
+113.8%
0.01%
+100.0%
Q2 2020$2,652,000
+668.7%
247
+517.5%
0.00%
+300.0%
Q1 2020$345,000
-39.3%
40
-21.6%
0.00%0.0%
Q4 2019$568,000
+3.3%
51
-7.3%
0.00%
-50.0%
Q3 2019$550,000
+404.6%
55
+400.0%
0.00%
Q2 2019$109,000
-87.4%
11
-88.0%
0.00%
-100.0%
Q1 2019$863,000
-11.2%
92
-24.6%
0.00%
-33.3%
Q4 2018$972,000
+140.0%
122
+149.0%
0.00%
+200.0%
Q3 2018$405,000
-74.0%
49
-74.2%
0.00%
-83.3%
Q2 2018$1,557,000
+6977.3%
190
-45.7%
0.01%
+500.0%
Q1 2018$22,000
-8.3%
350
+17.1%
0.00%0.0%
Q4 2017$24,000
-42.9%
299
+155.6%
0.00%
-50.0%
Q3 2017$42,000
+40.0%
117
+23.2%
0.00%
+100.0%
Q2 2017$30,000
-44.4%
95
-42.4%
0.00%
-50.0%
Q1 2017$54,000165
+1733.3%
0.00%
Q4 2016$0
-100.0%
9
-55.0%
0.00%
Q3 2016$1,000
-97.1%
20
-53.5%
0.00%
-100.0%
Q2 2016$35,000
-42.6%
43
-54.3%
0.00%
-60.0%
Q1 2016$61,000
+96.8%
94
-11.3%
0.01%
+150.0%
Q4 2015$31,000
+63.2%
106
+125.5%
0.00%
+100.0%
Q3 2015$19,00047
+2250.0%
0.00%
Q1 2015$0
-100.0%
2
-91.3%
0.00%
-100.0%
Q4 2014$7,000230.00%
Other shareholders
MARSH & MCLENNAN COS INC shareholders Q4 2020
NameSharesValueWeighting ↓
SIMPLEX TRADING, LLC 252$2,948,0000.00%
CONCOURSE FINANCIAL GROUP SECURITIES, INC. 0$00.00%
GROUP ONE TRADING, L.P. 1,000$117,0000.00%
View complete list of MARSH & MCLENNAN COS INC shareholders