Simplex Trading
MCY icon

Simplex Trading’s Mercury Insurance MCY Stock Holding History

Simplex 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 		$370K Buy
+3,474
New +$342K ﹤0.01% 3982
2026
Q1 		– Sell
-14,164
Closed -$1.27M – 9714
2025
Q4 		$1.33M Sell
14,164
-13,238
-48% -$1.15M ﹤0.01% 2340
2025
Q3 		$2.32M Buy
+27,402
New +$2.02M ﹤0.01% 2170
2024
Q2 		– Sell
-656
Closed -$35.5K – 9401
2024
Q1 		$33K Sell
656
-350
-35% -$15.4K ﹤0.01% 6667
2023
Q4 		$37K Buy
+1,006
New +$34.9K ﹤0.01% 6374
2023
Q3 		– Sell
-493
Closed -$14.5K – 9350
2023
Q2 		$14K Buy
+493
New +$15K ﹤0.01% 7106
2023
Q1 		– Sell
-100
Closed -$3.41K – 9702
2022
Q4 		$3K Buy
100
+49
+96% +$1.63K ﹤0.01% 8395
2022
Q3 		$1K Buy
+51
New +$1.85K ﹤0.01% 9572
2021
Q1 		– Sell
-8,055
Closed -$461K – 9517
2020
Q4 		$420K Buy
+8,055
New +$360K ﹤0.01% 3652
2020
Q3 		– Sell
-1,209
Closed -$51.9K – 8173
2020
Q2 		$49K Buy
+1,209
New +$48.5K ﹤0.01% 5511
2019
Q4 		– Sell
-1,674
Closed -$84.2K – 7679
2019
Q3 		$93K Buy
+1,674
New +$95.8K ﹤0.01% 4395
2018
Q2 		– Sell
-1,339
Closed -$63.1K – 7672
2018
Q1 		$61K Buy
1,339
+1,325
+9,464% +$63.1K ﹤0.01% 2240
2017
Q4 		$0 Buy
+14
New +$770 ﹤0.01% 6379
2017
Q3 		– Sell
-97
Closed -$5.49K – 6313
2017
Q2 		$5K Sell
97
-84
-46% -$4.76K ﹤0.01% 4590
2017
Q1 		$11K Buy
+181
New +$10.8K ﹤0.01% 3888
2015
Q1 		– Sell
-192
Closed -$11K – 5314
2014
Q4 		$11K Buy
+192
New +$10.3K ﹤0.01% 2535

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

Simplex Trading's MCY Position: Q2 2026 in Review

Simplex Trading opened a new position in Mercury Insurance (MCY) in Q2 2026: 3,474 shares worth $370K. The stake represents ﹤0.01% of the portfolio and ranks #3982 among its holdings. This is a return to the name: Simplex Trading previously reported a position in MCY as recently as Q4 2025.

Simplex Trading first reported a position in MCY in Q4 2014 and has held it in 16 quarters since. The position peaked at $2.32M in Q3 2025. 349 funds tracked by Wall St. Rank hold MCY as of Q2 2026.

  • Simplex Trading held 3,474 shares of Mercury Insurance worth $370K as of Q2 2026.
  • Mercury Insurance was a new Simplex Trading position in Q2 2026.
  • Mercury Insurance made up ﹤0.01% of Simplex Trading's portfolio in Q2 2026, its #3982 holding.
  • Simplex Trading first reported a position in Mercury Insurance in Q4 2014 and has held it in 16 quarters since.
  • Simplex Trading's Mercury Insurance position peaked at $2.32M in Q3 2025.
  • 349 funds tracked by Wall St. Rank held Mercury Insurance as of Q2 2026.

Based on Simplex Trading's 13F filing for Q2 2026, filed 12 Aug 2026.