Commonwealth Equity Services’s Mercury Systems MRCY Stock Holding History

Commonwealth Equity Services’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	$527K	Buy	+4,305	New	+$410K	﹤0.01%	3269
2023 Q2	–	Sell	-4,002	Closed	-$204K	–	3891
2023 Q1	$204K	Buy	+4,002	New	+$202K	﹤0.01%	3300
2019 Q4	–	Sell	-2,816	Closed	-$228K	–	2926
2019 Q3	$228K	Buy	+2,816	New	+$222K	﹤0.01%	2465
2016 Q3	–	Sell	-12,435	Closed	-$309K	–	2281
2016 Q2	$309K	Sell	12,435 -4	-0%	-$86	﹤0.01%	1641
2016 Q1	$253K	Hold	12,439	–	–	﹤0.01%	1756
2015 Q4	$228K	Hold	12,439	–	–	﹤0.01%	1792
2015 Q3	$198K	Hold	12,439	–	–	﹤0.01%	1842
2015 Q2	$182K	Hold	12,439	–	–	﹤0.01%	1962
2015 Q1	$193K	Hold	12,439	–	–	﹤0.01%	1939
2014 Q4	$173K	Hold	12,439	–	–	﹤0.01%	1882
2014 Q3	$137K	Buy	+12,439	New	+$140K	﹤0.01%	1923

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

Commonwealth Equity Services's MRCY Position: Q2 2026 in Review

Commonwealth Equity Services opened a new position in Mercury Systems (MRCY) in Q2 2026: 4,305 shares worth $527K. The stake represents ﹤0.01% of the portfolio and ranks #3269 among its holdings. This is a return to the name: Commonwealth Equity Services previously reported a position in MRCY as recently as Q1 2023.

Commonwealth Equity Services first reported a position in MRCY in Q3 2014 and has held it in 11 quarters since. 393 funds tracked by Wall St. Rank hold MRCY as of Q2 2026.

Commonwealth Equity Services held 4,305 shares of Mercury Systems worth $527K as of Q2 2026.
Mercury Systems was a new Commonwealth Equity Services position in Q2 2026.
Mercury Systems made up ﹤0.01% of Commonwealth Equity Services's portfolio in Q2 2026, its #3269 holding.
Commonwealth Equity Services first reported a position in Mercury Systems in Q3 2014 and has held it in 11 quarters since.
393 funds tracked by Wall St. Rank held Mercury Systems as of Q2 2026.

Based on Commonwealth Equity Services's 13F filing for Q2 2026, filed 29 Jul 2026.