Millennium Management
MRCY icon

Millennium Management’s Mercury Systems MRCY Stock Holding History

Millennium 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
2023
Q3 		– Sell
-20,000
Closed -$692K – 6392
2023
Q2 		$692K Buy
+20,000
New +$854K ﹤0.01% 4316

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 $5.01B AUM 6.26% 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

Millennium Management's MRCY Position: Q1 2026 in Review

Millennium Management opened a new position in Mercury Systems (MRCY) in Q1 2026: 16,011 shares worth $1.17M. The stake represents ﹤0.01% of the portfolio and ranks #4278 among its holdings. This is a return to the name: Millennium Management previously reported a position in MRCY as recently as Q3 2025.

Millennium Management first reported a position in MRCY in Q3 2013 and has held it in 41 quarters since. The position peaked at $43M in Q4 2024. 356 funds tracked by Wall St. Rank hold MRCY as of Q1 2026.

  • Millennium Management held 16,011 shares of Mercury Systems worth $1.17M as of Q1 2026.
  • Mercury Systems was a new Millennium Management position in Q1 2026.
  • Mercury Systems made up ﹤0.01% of Millennium Management's portfolio in Q1 2026, its #4278 holding.
  • Millennium Management first reported a position in Mercury Systems in Q3 2013 and has held it in 41 quarters since.
  • Millennium Management's Mercury Systems position peaked at $43M in Q4 2024.
  • 356 funds tracked by Wall St. Rank held Mercury Systems as of Q1 2026.

Based on Millennium Management's 13F filing for Q1 2026, filed 15 May 2026.