Coston McIsaac & Partners’s Mercury Systems MRCY Stock Holding History

Coston McIsaac & Partners’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	$48K	Hold	396	–	–	0.01%	345
2026 Q1	$28K	Hold	396	–	–	0.01%	411
2025 Q4	$28K	Hold	396	–	–	0.01%	398
2025 Q3	$30K	Hold	396	–	–	0.01%	375
2025 Q2	$21K	Hold	396	–	–	0.01%	418
2025 Q1	$17K	Hold	396	–	–	0.01%	420
2024 Q4	$16K	Hold	396	–	–	﹤0.01%	426
2024 Q3	$14K	Hold	396	–	–	﹤0.01%	446
2024 Q2	$10K	Hold	396	–	–	﹤0.01%	470
2024 Q1	$11K	Hold	396	–	–	﹤0.01%	465
2023 Q4	$14K	Hold	396	–	–	﹤0.01%	435
2023 Q3	$14K	Hold	396	–	–	0.01%	423
2023 Q2	$13K	Hold	396	–	–	﹤0.01%	468
2023 Q1	$20K	Buy	+396	New	+$20K	0.01%	398

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

Coston McIsaac & Partners's MRCY Position: Q2 2026 in Review

Coston McIsaac & Partners held its Mercury Systems (MRCY) position steady in Q2 2026 at 396 shares worth $48K. The position accounts for 0.01% of the portfolio, ranked #345.

Coston McIsaac & Partners first reported a position in MRCY in Q1 2023 and has held it in 14 quarters since. 392 funds tracked by Wall St. Rank hold MRCY as of Q2 2026.

Coston McIsaac & Partners held 396 shares of Mercury Systems worth $48K as of Q2 2026.
Coston McIsaac & Partners left its Mercury Systems share count unchanged in Q2 2026.
Mercury Systems made up 0.01% of Coston McIsaac & Partners's portfolio in Q2 2026, its #345 holding.
Coston McIsaac & Partners first reported a position in Mercury Systems in Q1 2023 and has held it in 14 quarters since.
392 funds tracked by Wall St. Rank held Mercury Systems as of Q2 2026.

Based on Coston McIsaac & Partners's 13F filing for Q2 2026, filed 12 Aug 2026.