Grimes & Company’s Mercury Systems MRCY Stock Holding History

Grimes & Company’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	–	Sell	-4,994	Closed	-$365K	–	459
2025 Q4	$365K	Buy	4,994 +774	+18%	+$57.6K	0.01%	348
2025 Q3	$327K	Buy	+4,220	New	+$262K	0.01%	366

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 $3.38T AUM 44.17% 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

CCA

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

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

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Grimes & Company's MRCY Position: Q1 2026 in Review

Grimes & Company sold out of Mercury Systems (MRCY) in Q1 2026, closing a stake of 4,994 shares — an estimated $365K sold.

Grimes & Company first reported a position in MRCY in Q3 2025 and held it in 2 quarters. The position peaked at $365K in Q4 2025. 357 funds tracked by Wall St. Rank hold MRCY as of Q1 2026.

Grimes & Company reported no remaining Mercury Systems position as of Q1 2026 after selling out during the quarter.
Grimes & Company sold 4,994 Mercury Systems shares in Q1 2026, an estimated $365K.
Grimes & Company first reported a position in Mercury Systems in Q3 2025 and held it in 2 quarters.
Grimes & Company's Mercury Systems position peaked at $365K in Q4 2025.
357 funds tracked by Wall St. Rank held Mercury Systems as of Q1 2026.

Based on Grimes & Company's 13F filing for Q1 2026, filed 21 Apr 2026.