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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
Q2 		$485K Sell
3,962
-6,610
-63% -$630K 0.01% 830
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 $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 $3.38T AUM 44.17% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
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

Callan Family Office's MRCY Position: Q2 2026 in Review

Callan Family Office reduced its Mercury Systems (MRCY) stake by 63% in Q2 2026, selling an estimated $630K and leaving 3,962 shares worth $485K. The position accounts for 0.01% of the portfolio, ranked #830.

Callan Family Office first reported a position in MRCY in Q4 2025 and has held it in 3 quarters since. The position peaked at $771K in Q1 2026. 393 funds tracked by Wall St. Rank hold MRCY as of Q2 2026.

  • Callan Family Office held 3,962 shares of Mercury Systems worth $485K as of Q2 2026.
  • Callan Family Office sold 6,610 Mercury Systems shares in Q2 2026, an estimated $630K.
  • Mercury Systems made up 0.01% of Callan Family Office's portfolio in Q2 2026, its #830 holding.
  • Callan Family Office first reported a position in Mercury Systems in Q4 2025 and has held it in 3 quarters since.
  • Callan Family Office's Mercury Systems position peaked at $771K in Q1 2026.
  • 393 funds tracked by Wall St. Rank held Mercury Systems as of Q2 2026.

Based on Callan Family Office's 13F filing for Q2 2026, filed 11 Aug 2026.