Walleye Trading’s Mercury Insurance MCY Stock Holding History

Walleye 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 Q1	–	Sell	-200	Closed	-$18.8K	–	4459
2025 Q4	$18.8K	Sell	200 -18,900	-99%	-$1.64M	﹤0.01%	4112
2025 Q3	$1.62M	Sell	19,100 -2,000	-9%	-$148K	﹤0.01%	1943
2025 Q2	$1.42M	Buy	21,100 +19,600	+1,307%	+$1.17M	﹤0.01%	1951
2025 Q1	$83.8K	Buy	+1,500	New	+$80.9K	﹤0.01%	3468
2021 Q4	–	Sell	-4,300	Closed	-$239K	–	5650
2021 Q3	$239K	Buy	+4,300	New	+$257K	﹤0.01%	3681
2021 Q2	–	Sell	-2,800	Closed	-$170K	–	5385
2021 Q1	$170K	Buy	+2,800	New	+$160K	﹤0.01%	3765
2019 Q1	–	Sell	-19,100	Closed	-$988K	–	4534
2018 Q4	$988K	Buy	19,100 +19,000	+19,000%	+$1.03M	0.01%	1722
2018 Q3	$5K	Buy	+100	New	+$4.98K	﹤0.01%	5113

Other funds holding MCY

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

RCMNY

Rubric Capital Management (New York) New York $9.44B AUM 68.42% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return

American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

DCM

DG Capital Management New York $326M AUM 39.67% 1-Year Est. Return

Walleye Trading's MCY Position: Q1 2026 in Review

Walleye Trading reduced its Mercury Insurance (MCY) stake by 66% in Q1 2026, selling an estimated $1.42M and leaving 8,008 shares worth $706K. The position accounts for ﹤0.01% of the portfolio, ranked #2370.

Walleye Trading first reported a position in MCY in Q4 2018 and has held it in 7 quarters since. The position peaked at $2.24M in Q4 2025. 305 funds tracked by Wall St. Rank hold MCY as of Q1 2026.

Walleye Trading held 8,008 shares of Mercury Insurance worth $706K as of Q1 2026.
Walleye Trading sold 15,846 Mercury Insurance shares in Q1 2026, an estimated $1.42M.
Mercury Insurance made up ﹤0.01% of Walleye Trading's portfolio in Q1 2026, its #2370 holding.
Walleye Trading first reported a position in Mercury Insurance in Q4 2018 and has held it in 7 quarters since.
Walleye Trading's Mercury Insurance position peaked at $2.24M in Q4 2025.
305 funds tracked by Wall St. Rank held Mercury Insurance as of Q1 2026.

Based on Walleye Trading's 13F filing for Q1 2026, filed 11 May 2026.