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Harbour Investments’s Mercury Systems MRCY Stock Holding History

Harbour Investments’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 		$612 Hold
5
– – ﹤0.01% 4330
2026
Q1 		$365 Buy
5
+4
+400% +$348 ﹤0.01% 4310
2025
Q4 		$73 Hold
1
– – ﹤0.01% 3762
2025
Q3 		$77 Buy
+1
New +$62 ﹤0.01% 3660
2021
Q4 		– Sell
-79
Closed -$4K – 3291
2021
Q3 		$4K Sell
79
-81
-51% -$4.5K ﹤0.01% 3081
2021
Q2 		$11K Hold
160
– – ﹤0.01% 2675
2021
Q1 		$11K Buy
+160
New +$11.6K ﹤0.01% 2564

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
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

Harbour Investments's MRCY Position: Q2 2026 in Review

Harbour Investments held its Mercury Systems (MRCY) position steady in Q2 2026 at 5 shares worth $612. The position accounts for ﹤0.01% of the portfolio, ranked #4330.

Harbour Investments first reported a position in MRCY in Q1 2021 and has held it in 7 quarters since. The position peaked at $11K in Q2 2021. 392 funds tracked by Wall St. Rank hold MRCY as of Q2 2026.

  • Harbour Investments held 5 shares of Mercury Systems worth $612 as of Q2 2026.
  • Harbour Investments left its Mercury Systems share count unchanged in Q2 2026.
  • Mercury Systems made up ﹤0.01% of Harbour Investments's portfolio in Q2 2026, its #4330 holding.
  • Harbour Investments first reported a position in Mercury Systems in Q1 2021 and has held it in 7 quarters since.
  • Harbour Investments's Mercury Systems position peaked at $11K in Q2 2021.
  • 392 funds tracked by Wall St. Rank held Mercury Systems as of Q2 2026.

Based on Harbour Investments's 13F filing for Q2 2026, filed 12 Aug 2026.