GROUP ONE TRADING, L.P. - MERCK & CO INC ownership

MERCK & CO INC's ticker is and the CUSIP is 58933Y955. A total of 13 filers reported holding MERCK & CO INC in Q1 2023. The put-call ratio across all filers is - and the average weighting 0.1%.

Quarter-by-quarter ownership
GROUP ONE TRADING, L.P. ownership history of MERCK & CO INC
ValueSharesWeighting
Q3 2023$8,431,605
-21.2%
81,900
-11.7%
0.03%
-17.6%
Q2 2023$10,696,653
+36.2%
92,700
+25.6%
0.03%
+21.4%
Q1 2023$7,851,582
-54.7%
73,800
-52.8%
0.03%
-30.0%
Q4 2022$17,341,485
+97.6%
156,300
+53.4%
0.04%
+135.3%
Q3 2022$8,776,000
-78.1%
101,900
-76.8%
0.02%
-73.0%
Q2 2022$40,060,000
+4.7%
439,400
-5.8%
0.06%
+65.8%
Q1 2022$38,260,000
-46.4%
466,300
-49.9%
0.04%
-33.3%
Q4 2021$71,329,000
+62.8%
930,700
+59.6%
0.06%
+21.3%
Q3 2021$43,812,000
+12.4%
583,300
+16.4%
0.05%0.0%
Q2 2021$38,971,000
+28.9%
501,100
+27.8%
0.05%
+4.4%
Q1 2021$30,235,000
+30.9%
392,200
+38.9%
0.04%
+12.5%
Q4 2020$23,092,000
+36.9%
282,300
+38.9%
0.04%
-24.5%
Q3 2020$16,864,000
+63.5%
203,300
+52.4%
0.05%
+10.4%
Q2 2020$10,316,000
+307.6%
133,400
+305.5%
0.05%
+128.6%
Q1 2020$2,531,000
-70.1%
32,900
-64.6%
0.02%
-63.8%
Q4 2019$8,458,000
+23.3%
93,000
+14.1%
0.06%
+5.5%
Q3 2019$6,861,000
+238.1%
81,500
+236.8%
0.06%
+205.6%
Q2 2019$2,029,000
+20.2%
24,200
+19.2%
0.02%
-5.3%
Q1 2019$1,688,000
-85.3%
20,300
-86.5%
0.02%
-81.0%
Q4 2018$11,500,000
+83.4%
150,500
+70.2%
0.10%
+100.0%
Q3 2018$6,271,000
+9.6%
88,400
-6.3%
0.05%
+2.0%
Q2 2018$5,724,000
+7.3%
94,300
-3.7%
0.05%
-9.3%
Q1 2018$5,333,000
-39.5%
97,900
-37.5%
0.05%
-12.9%
Q4 2017$8,818,000
+496.2%
156,700
+578.4%
0.06%
+376.9%
Q3 2017$1,479,000
-43.2%
23,100
-43.1%
0.01%
-51.9%
Q2 2017$2,602,000
-43.8%
40,600
-44.2%
0.03%
-50.0%
Q1 2017$4,626,000
-49.6%
72,800
-53.3%
0.05%
-39.3%
Q4 2016$9,172,000
+50.6%
155,800
+59.6%
0.09%
+34.8%
Q3 2016$6,091,000
+31.3%
97,600
+21.2%
0.07%
+20.0%
Q2 2016$4,638,000
+217.7%
80,500
+191.7%
0.06%
+161.9%
Q1 2016$1,460,000
-40.0%
27,600
-40.1%
0.02%
-27.6%
Q4 2015$2,435,000
+70.6%
46,100
+59.5%
0.03%
+45.0%
Q3 2015$1,427,000
+11.4%
28,900
+28.4%
0.02%
+11.1%
Q2 2015$1,281,00022,5000.02%
Other shareholders
MERCK & CO INC shareholders Q1 2023
NameSharesValueWeighting ↓
Maven Securities LTD 20,700$1,555,0000.05%
GROUP ONE TRADING, L.P. 583,300$43,812,0000.05%
SG Americas Securities, LLC 940,600$4,437,0000.02%
SIMPLEX TRADING, LLC 815,000$19,823,0000.02%
JPMORGAN CHASE & CO 1,288,320$96,766,0000.01%
Allianz Asset Management GmbH 81,400$6,114,0000.01%
WELLS FARGO & COMPANY/MN 75,200$5,648,0000.00%
CONCOURSE FINANCIAL GROUP SECURITIES, INC. 0$00.00%
View complete list of MERCK & CO INC shareholders