PEAK6
MRCY icon

PEAK6’s Mercury Systems MRCY Stock Holding History

PEAK6’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 		$3.65M Buy
+29,871
New +$2.85M 0.01% 999
2025
Q2 		– Sell
-13,418
Closed -$654K – 3327
2025
Q1 		$578K Sell
13,418
-15,597
-54% -$683K ﹤0.01% 2027
2024
Q4 		$1.22M Buy
+29,015
New +$1.11M ﹤0.01% 1709

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

PEAK6's MRCY Position: Q2 2026 in Review

PEAK6 opened a new position in Mercury Systems (MRCY) in Q2 2026: 29,871 shares worth $3.65M. The stake represents 0.01% of the portfolio and ranks #999 among its holdings. This is a return to the name: PEAK6 previously reported a position in MRCY as recently as Q1 2025.

PEAK6 first reported a position in MRCY in Q4 2024 and has held it in 3 quarters since. 393 funds tracked by Wall St. Rank hold MRCY as of Q2 2026.

  • PEAK6 held 29,871 shares of Mercury Systems worth $3.65M as of Q2 2026.
  • Mercury Systems was a new PEAK6 position in Q2 2026.
  • Mercury Systems made up 0.01% of PEAK6's portfolio in Q2 2026, its #999 holding.
  • PEAK6 first reported a position in Mercury Systems in Q4 2024 and has held it in 3 quarters since.
  • 393 funds tracked by Wall St. Rank held Mercury Systems as of Q2 2026.

Based on PEAK6's 13F filing for Q2 2026, filed 13 Aug 2026.