Flagship Harbor Advisors’s Mercury Systems MRCY Stock Holding History

Flagship Harbor Advisors’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	-5	Closed	-$365	–	1623
2025 Q4	$365	Buy	+5	New	+$372	﹤0.01%	2089
2020 Q4	–	Sell	-2,835	Closed	-$219K	–	1274
2020 Q3	$219K	Buy	2,835 +2,077	+274%	+$158K	0.03%	445
2020 Q2	$59K	Buy	758 +58	+8%	+$4.75K	0.01%	806
2020 Q1	$50K	Hold	700	–	–	0.01%	751
2019 Q4	$48K	Hold	700	–	–	0.01%	825
2019 Q3	$56K	Hold	700	–	–	0.01%	746
2019 Q2	$49K	Hold	700	–	–	0.01%	762
2019 Q1	$44K	Buy	+700	New	+$40.4K	0.01%	794

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

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

Flagship Harbor Advisors's MRCY Position: Q1 2026 in Review

Flagship Harbor Advisors sold out of Mercury Systems (MRCY) in Q1 2026, closing a stake of 5 shares — an estimated $365 sold.

Flagship Harbor Advisors first reported a position in MRCY in Q1 2019 and held it in 8 quarters. The position peaked at $219K in Q3 2020. 357 funds tracked by Wall St. Rank hold MRCY as of Q1 2026.

Flagship Harbor Advisors reported no remaining Mercury Systems position as of Q1 2026 after selling out during the quarter.
Flagship Harbor Advisors sold 5 Mercury Systems shares in Q1 2026, an estimated $365.
Flagship Harbor Advisors first reported a position in Mercury Systems in Q1 2019 and held it in 8 quarters.
Flagship Harbor Advisors's Mercury Systems position peaked at $219K in Q3 2020.
357 funds tracked by Wall St. Rank held Mercury Systems as of Q1 2026.

Based on Flagship Harbor Advisors's 13F filing for Q1 2026, filed 28 Apr 2026.