Holocene Advisors
MRCY icon

Holocene Advisors’s Mercury Systems MRCY Stock Holding History

Holocene Advisors’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
2025
Q3 		– Sell
-7,963
Closed -$429K – 853
2025
Q2 		$429K Sell
7,963
-137
-2% -$6.67K ﹤0.01% 710
2025
Q1 		$349K Sell
8,100
-17,958
-69% -$787K ﹤0.01% 696
2024
Q4 		$1.09M Sell
26,058
-1,308
-5% -$49.9K ﹤0.01% 651
2024
Q3 		$1.01M Buy
+27,366
New +$963K ﹤0.01% 616
2024
Q2 		– Sell
-62,703
Closed -$1.85M – 789
2024
Q1 		$1.85M Buy
62,703
+22,409
+56% +$675K 0.01% 589
2023
Q4 		$1.47M Sell
40,294
-472
-1% -$17K 0.01% 571
2023
Q3 		$1.51M Buy
+40,766
New +$1.5M 0.01% 600
2022
Q2 		– Sell
-29,295
Closed -$1.89M – 936
2022
Q1 		$1.89M Sell
29,295
-64,329
-69% -$3.82M 0.01% 541
2021
Q4 		$5.16M Buy
93,624
+26,590
+40% +$1.35M 0.03% 318
2021
Q3 		$3.18M Buy
67,034
+14,800
+28% +$823K 0.02% 433
2021
Q2 		$3.46M Sell
52,234
-19,269
-27% -$1.33M 0.02% 450
2021
Q1 		$5.05M Buy
+71,503
New +$5.17M 0.03% 389
2018
Q3 		– Sell
-6,588
Closed -$251K – 780
2018
Q2 		$251K Buy
+6,588
New +$255K 0.01% 518

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
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
William Blair Investment Management
William Blair Investment Management Chicago, Illinois $33.3B AUM 44.76% 1-Year Est. Return
CCA
Conestoga Capital Advisors Wayne, Pennsylvania $4.6B AUM 16.08% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
First Trust Advisors
First Trust Advisors Wheaton, Illinois $170B AUM 46.21% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return

Holocene Advisors's MRCY Position: Q3 2025 in Review

Holocene Advisors sold out of Mercury Systems (MRCY) in Q3 2025, closing a stake of 7,963 shares — an estimated $429K sold.

Holocene Advisors first reported a position in MRCY in Q2 2018 and held it in 13 quarters. The position peaked at $5.16M in Q4 2021. 326 funds tracked by Wall St. Rank hold MRCY as of Q3 2025.

  • Holocene Advisors reported no remaining Mercury Systems position as of Q3 2025 after selling out during the quarter.
  • Holocene Advisors sold 7,963 Mercury Systems shares in Q3 2025, an estimated $429K.
  • Holocene Advisors first reported a position in Mercury Systems in Q2 2018 and held it in 13 quarters.
  • Holocene Advisors's Mercury Systems position peaked at $5.16M in Q4 2021.
  • 326 funds tracked by Wall St. Rank held Mercury Systems as of Q3 2025.

Based on Holocene Advisors's 13F filing for Q3 2025, filed 14 Nov 2025.