Walleye Capital’s Mercury Systems MRCY Stock Holding History

Walleye Capital’s Portfolio MRCY Stock Details MRCY Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$87.5K	Buy	1,200 +700	+140%	+$61K	﹤0.01%	3719
2025 Q4	$36.5K	Buy	+500	New	+$37.2K	﹤0.01%	4152
2024 Q4	–	Sell	-4,100	Closed	-$152K	–	5287
2024 Q3	$152K	Sell	4,100 -37,700	-90%	-$1.33M	﹤0.01%	4179
2024 Q2	$1.13M	Buy	41,800 +31,700	+314%	+$925K	﹤0.01%	2717
2024 Q1	$298K	Sell	10,100 -4,200	-29%	-$127K	﹤0.01%	3671
2023 Q4	$523K	Buy	14,300 +10,500	+276%	+$379K	﹤0.01%	2912
2023 Q3	$141K	Buy	3,800 +3,700	+3,700%	+$136K	﹤0.01%	3769
2023 Q2	$3.46K	Buy	+100	New	+$4.27K	﹤0.01%	4082
2019 Q4	–	Sell	-4,800	Closed	-$390K	–	2082
2019 Q3	$390K	Sell	4,800 -6,500	-58%	-$514K	0.02%	867
2019 Q2	$795K	Buy	+11,300	New	+$784K	0.09%	339

Other funds holding MRCY

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

JPM

JANA Partners Management New York $1.67B AUM 1.66% 1-Year Est. Return

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

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

CCA

Conestoga Capital Advisors Wayne, Pennsylvania $4.6B AUM 16.08% 1-Year Est. Return

T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return

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

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

Walleye Capital's MRCY Position: Q1 2026 in Review

Walleye Capital reduced its Mercury Systems (MRCY) stake by 3.7% in Q1 2026, selling an estimated $7.49K and leaving 2,240 shares worth $163K. The position accounts for ﹤0.01% of the portfolio, ranked #3448.

Walleye Capital first reported a position in MRCY in Q2 2019 and has held it in 12 quarters since. The position peaked at $784K in Q2 2023. 356 funds tracked by Wall St. Rank hold MRCY as of Q1 2026.

Walleye Capital held 2,240 shares of Mercury Systems worth $163K as of Q1 2026.
Walleye Capital sold 86 Mercury Systems shares in Q1 2026, an estimated $7.49K.
Mercury Systems made up ﹤0.01% of Walleye Capital's portfolio in Q1 2026, its #3448 holding.
Walleye Capital first reported a position in Mercury Systems in Q2 2019 and has held it in 12 quarters since.
Walleye Capital's Mercury Systems position peaked at $784K in Q2 2023.
356 funds tracked by Wall St. Rank held Mercury Systems as of Q1 2026.

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