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Callan Family Office’s Mercury Systems MRCY Stock Holding History

Callan Family Office’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 		$771K Buy
10,572
+345
+3% +$30K 0.02% 635
2025
Q4 		$747K Buy
+10,227
New +$761K 0.02% 639

Other funds holding MRCY

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
JPM
JANA Partners Management New York $1.67B AUM 1.66% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
CCA
Conestoga Capital Advisors Wayne, Pennsylvania $4.6B AUM 16.08% 1-Year Est. Return
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

Callan Family Office's MRCY Position: Q1 2026 in Review

Callan Family Office increased its Mercury Systems (MRCY) stake by 3.4% in Q1 2026, buying an estimated $30K and bringing the position to 10,572 shares worth $771K. The position accounts for 0.02% of the portfolio, ranked #635.

Callan Family Office first reported a position in MRCY in Q4 2025 and has held it in 2 quarters since. 356 funds tracked by Wall St. Rank hold MRCY as of Q1 2026.

  • Callan Family Office held 10,572 shares of Mercury Systems worth $771K as of Q1 2026.
  • Callan Family Office bought 345 Mercury Systems shares in Q1 2026, an estimated $30K.
  • Mercury Systems made up 0.02% of Callan Family Office's portfolio in Q1 2026, its #635 holding.
  • Callan Family Office first reported a position in Mercury Systems in Q4 2025 and has held it in 2 quarters since.
  • 356 funds tracked by Wall St. Rank held Mercury Systems as of Q1 2026.

Based on Callan Family Office's 13F filing for Q1 2026, filed 13 May 2026.