Vanguard Portfolio Management
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Vanguard Portfolio Management’s Mercury Systems MRCY Stock Holding History

Vanguard Portfolio Management’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 		$371M Buy
3,031,459
+120,555
+4% +$11.5M 0.02% 864
2026
Q1 		$212M Buy
+2,910,904
New +$253M 0.01% 1110

Other funds holding MRCY

BlackRock
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
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return
Goldman Sachs
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
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Vanguard Portfolio Management's MRCY Position: Q2 2026 in Review

Vanguard Portfolio Management increased its Mercury Systems (MRCY) stake by 4.1% in Q2 2026, buying an estimated $11.5M and bringing the position to 3,031,459 shares worth $371M. The position accounts for 0.02% of the portfolio, ranked #864.

Vanguard Portfolio Management first reported a position in MRCY in Q1 2026 and has held it in 2 quarters since. 386 funds tracked by Wall St. Rank hold MRCY as of Q2 2026.

  • Vanguard Portfolio Management held 3,031,459 shares of Mercury Systems worth $371M as of Q2 2026.
  • Vanguard Portfolio Management bought 120,555 Mercury Systems shares in Q2 2026, an estimated $11.5M.
  • Mercury Systems made up 0.02% of Vanguard Portfolio Management's portfolio in Q2 2026, its #864 holding.
  • Vanguard Portfolio Management first reported a position in Mercury Systems in Q1 2026 and has held it in 2 quarters since.
  • 386 funds tracked by Wall St. Rank held Mercury Systems as of Q2 2026.

Based on Vanguard Portfolio Management's 13F filing for Q2 2026, filed 13 Aug 2026.