Winton Group’s Mercury Systems MRCY Stock Holding History

Winton Group’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	-3,057	Closed	-$223K	–	1381
2026 Q1	$223K	Buy	+3,057	New	+$266K	0.01%	949
2025 Q3	–	Sell	-10,493	Closed	-$565K	–	922
2025 Q2	$565K	Buy	+10,493	New	+$511K	0.03%	563
2019 Q4	–	Sell	-34,116	Closed	-$2.77M	–	1696
2019 Q3	$2.77M	Buy	+34,116	New	+$2.7M	0.03%	455
2019 Q2	–	Sell	-125,150	Closed	-$8.02M	–	1234
2019 Q1	$8.02M	Buy	125,150 +117,673	+1,574%	+$6.78M	0.16%	218
2018 Q4	$354K	Buy	+7,477	New	+$365K	0.01%	600

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

Winton Group's MRCY Position: Q2 2026 in Review

Winton Group sold out of Mercury Systems (MRCY) in Q2 2026, closing a stake of 3,057 shares — an estimated $223K sold.

Winton Group first reported a position in MRCY in Q4 2018 and held it in 5 quarters. The position peaked at $8.02M in Q1 2019. 392 funds tracked by Wall St. Rank hold MRCY as of Q2 2026.

Winton Group reported no remaining Mercury Systems position as of Q2 2026 after selling out during the quarter.
Winton Group sold 3,057 Mercury Systems shares in Q2 2026, an estimated $223K.
Winton Group first reported a position in Mercury Systems in Q4 2018 and held it in 5 quarters.
Winton Group's Mercury Systems position peaked at $8.02M in Q1 2019.
392 funds tracked by Wall St. Rank held Mercury Systems as of Q2 2026.

Based on Winton Group's 13F filing for Q2 2026, filed 7 Aug 2026.