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	$802K	Buy	+9,100	New	+$814K	﹤0.01%	2282
2025 Q3	–	Sell	-11,000	Closed	-$741K	–	4648
2025 Q2	$741K	Buy	11,000 +3,900	+55%	+$232K	﹤0.01%	2393
2025 Q1	$397K	Buy	+7,100	New	+$383K	﹤0.01%	2668
2021 Q4	–	Sell	-100	Closed	-$6K	–	5649
2021 Q3	$6K	Sell	100 -9,200	-99%	-$549K	﹤0.01%	5055
2021 Q2	$604K	Sell	9,300 -900	-9%	-$57K	﹤0.01%	2686
2021 Q1	$620K	Buy	+10,200	New	+$584K	﹤0.01%	2411
2019 Q1	–	Sell	-16,500	Closed	-$853K	–	4532
2018 Q4	$853K	Buy	+16,500	New	+$897K	0.01%	1891

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.