Marshall Wace
MRCY icon

Marshall Wace’s Mercury Systems MRCY Stock Holding History

Marshall Wace’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 		– Sell
-36,821
Closed -$2.69M – 3522
2025
Q4 		$2.69M Buy
+36,821
New +$2.74M ﹤0.01% 1438
2025
Q3 		– Sell
-67,916
Closed -$3.66M – 3212
2025
Q2 		$3.66M Sell
67,916
-468,247
-87% -$22.8M ﹤0.01% 1297
2025
Q1 		$23.1M Buy
536,163
+239,255
+81% +$10.5M 0.03% 481
2024
Q4 		$12.5M Sell
296,908
-119,334
-29% -$4.55M 0.02% 719
2024
Q3 		$15.4M Buy
416,242
+296,388
+247% +$10.4M 0.02% 598
2024
Q2 		$3.23M Sell
119,854
-64,651
-35% -$1.89M ﹤0.01% 1165
2024
Q1 		$5.44M Sell
184,505
-212,519
-54% -$6.4M 0.01% 970
2023
Q4 		$14.5M Buy
397,024
+123,452
+45% +$4.46M 0.02% 575
2023
Q3 		$10.1M Buy
273,572
+148,305
+118% +$5.47M 0.02% 645
2023
Q2 		$4.33M Buy
+125,267
New +$5.35M 0.01% 1089
2022
Q3 		– Sell
-20,700
Closed -$1.33M – 3637
2022
Q2 		$1.33M Buy
+20,700
New +$1.23M ﹤0.01% 2269
2021
Q4 		– Sell
-167,919
Closed -$7.96M – 4144
2021
Q3 		$7.96M Buy
167,919
+157,897
+1,576% +$8.78M 0.03% 693
2021
Q2 		$664K Sell
10,022
-65,536
-87% -$4.53M ﹤0.01% 1996
2021
Q1 		$5.34M Sell
75,558
-40,387
-35% -$2.92M 0.02% 796
2020
Q4 		$10.2M Buy
115,945
+7,286
+7% +$554K 0.06% 340
2020
Q3 		$8.42M Buy
+108,659
New +$8.24M 0.05% 346
2019
Q3 		– Sell
-112,260
Closed -$7.9M – 1837
2019
Q2 		$7.9M Buy
+112,260
New +$7.79M 0.07% 351
2016
Q2 		– Sell
-28,356
Closed -$576K – 1096
2016
Q1 		$576K Sell
28,356
-77,563
-73% -$1.36M 0.01% 827
2015
Q4 		$1.95M Buy
+105,919
New +$1.92M 0.02% 570

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

Marshall Wace's MRCY Position: Q1 2026 in Review

Marshall Wace sold out of Mercury Systems (MRCY) in Q1 2026, closing a stake of 36,821 shares — an estimated $2.69M sold.

Marshall Wace first reported a position in MRCY in Q4 2015 and held it in 19 quarters. The position peaked at $23.1M in Q1 2025. 356 funds tracked by Wall St. Rank hold MRCY as of Q1 2026.

  • Marshall Wace reported no remaining Mercury Systems position as of Q1 2026 after selling out during the quarter.
  • Marshall Wace sold 36,821 Mercury Systems shares in Q1 2026, an estimated $2.69M.
  • Marshall Wace first reported a position in Mercury Systems in Q4 2015 and held it in 19 quarters.
  • Marshall Wace's Mercury Systems position peaked at $23.1M in Q1 2025.
  • 356 funds tracked by Wall St. Rank held Mercury Systems as of Q1 2026.

Based on Marshall Wace's 13F filing for Q1 2026, filed 15 May 2026.