Rossby Financial’s Mercury Systems MRCY Stock Holding History

Rossby Financial’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 Q2	–	Sell	-7	Closed	-$523	–	2279
2026 Q1	$523	Buy	+7	New	+$610	﹤0.01%	2098

Other funds holding MRCY

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

JPM

JANA Partners Management New York $1.9B AUM 18.33% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return

Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return

CCA

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

Rossby Financial's MRCY Position: Q2 2026 in Review

Rossby Financial sold out of Mercury Systems (MRCY) in Q2 2026, closing a stake of 7 shares — an estimated $523 sold.

Rossby Financial first reported a position in MRCY in Q1 2026 and held it in 1 quarter. The position peaked at $523 in Q1 2026. 392 funds tracked by Wall St. Rank hold MRCY as of Q2 2026.

Rossby Financial reported no remaining Mercury Systems position as of Q2 2026 after selling out during the quarter.
Rossby Financial sold 7 Mercury Systems shares in Q2 2026, an estimated $523.
Rossby Financial first reported a position in Mercury Systems in Q1 2026 and held it in 1 quarter.
Rossby Financial's Mercury Systems position peaked at $523 in Q1 2026.
392 funds tracked by Wall St. Rank held Mercury Systems as of Q2 2026.

Based on Rossby Financial's 13F filing for Q2 2026, filed 4 Aug 2026.