Group One Trading
MCY icon

Group One Trading’s Mercury Insurance MCY Stock Holding History

Group One Trading’s Portfolio MCY Stock Details MCY Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$21.3K Sell
200
-700
-78% -$68.9K ﹤0.01% 5962
2026
Q1 		$79.3K Sell
900
-3,100
-78% -$277K ﹤0.01% 4926
2025
Q4 		$376K Buy
4,000
+3,700
+1,233% +$321K ﹤0.01% 3795
2025
Q3 		$25.4K Sell
300
-3,200
-91% -$236K ﹤0.01% 6519
2025
Q2 		$236K Sell
3,500
-13,000
-79% -$773K ﹤0.01% 4167
2025
Q1 		$922K Buy
+16,500
New +$890K ﹤0.01% 2530
2023
Q3 		– Sell
-4,500
Closed -$136K – 8020
2023
Q2 		$136K Buy
+4,500
New +$137K ﹤0.01% 4312
2022
Q2 		– Sell
-800
Closed -$44K – 8216
2022
Q1 		$44K Buy
+800
New +$43.1K ﹤0.01% 6185
2021
Q3 		– Sell
-400
Closed -$26K – 8523
2021
Q2 		$26K Buy
+400
New +$25.3K ﹤0.01% 7036
2021
Q1 		– Sell
-100
Closed -$5K – 7841
2020
Q4 		$5K Hold
100
– – ﹤0.01% 6024
2020
Q3 		$4K Buy
+100
New +$4.3K ﹤0.01% 5682
2019
Q4 		– Sell
-100
Closed -$6K – 5411
2019
Q3 		$6K Buy
+100
New +$5.72K ﹤0.01% 4725

Other funds holding MCY

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
RCMNY
Rubric Capital Management (New York) New York $10.9B AUM 70.31% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

Group One Trading's MCY Position: Q2 2026 in Review

Group One Trading opened a new position in Mercury Insurance (MCY) in Q2 2026: 6,220 shares worth $663K. The stake represents ﹤0.01% of the portfolio and ranks #3234 among its holdings. This is a return to the name: Group One Trading previously reported a position in MCY as recently as Q4 2025.

Group One Trading first reported a position in MCY in Q4 2020 and has held it in 7 quarters since. The position peaked at $3.4M in Q4 2025. 349 funds tracked by Wall St. Rank hold MCY as of Q2 2026.

  • Group One Trading held 6,220 shares of Mercury Insurance worth $663K as of Q2 2026.
  • Mercury Insurance was a new Group One Trading position in Q2 2026.
  • Mercury Insurance made up ﹤0.01% of Group One Trading's portfolio in Q2 2026, its #3234 holding.
  • Group One Trading first reported a position in Mercury Insurance in Q4 2020 and has held it in 7 quarters since.
  • Group One Trading's Mercury Insurance position peaked at $3.4M in Q4 2025.
  • 349 funds tracked by Wall St. Rank held Mercury Insurance as of Q2 2026.

Based on Group One Trading's 13F filing for Q2 2026, filed 14 Aug 2026.