Ken Fisher
MRCY icon

Ken Fisher’s Mercury Systems MRCY Stock Holding History

Ken Fisher’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 		$71.5M Buy
980,367
+119,984
+14% +$10.4M 0.02% 192
2025
Q4 		$62.8M Sell
860,383
-14,896
-2% -$1.11M 0.02% 208
2025
Q3 		$67.7M Buy
875,279
+153,946
+21% +$9.57M 0.02% 195
2025
Q2 		$38.9M Buy
721,333
+395
+0.1% +$19.2K 0.02% 246
2025
Q1 		$31.1M Buy
720,938
+325,673
+82% +$14.3M 0.01% 271
2024
Q4 		$16.6M Buy
+395,265
New +$15.1M 0.01% 364
2023
Q4 		– Sell
-32
Closed -$1.19K – 1073
2023
Q3 		$1.19K Hold
32
– – ﹤0.01% 1162
2023
Q2 		$1.11K Hold
32
– – ﹤0.01% 1159
2023
Q1 		$1.64K Buy
+32
New +$1.62K ﹤0.01% 1117

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

Ken Fisher's MRCY Position: Q1 2026 in Review

Ken Fisher increased its Mercury Systems (MRCY) stake by 14% in Q1 2026, buying an estimated $10.4M and bringing the position to 980,367 shares worth $71.5M. The position accounts for 0.02% of the portfolio, ranked #192.

Ken Fisher first reported a position in MRCY in Q1 2023 and has held it in 9 quarters since. 357 funds tracked by Wall St. Rank hold MRCY as of Q1 2026.

  • Ken Fisher held 980,367 shares of Mercury Systems worth $71.5M as of Q1 2026.
  • Ken Fisher bought 119,984 Mercury Systems shares in Q1 2026, an estimated $10.4M.
  • Mercury Systems made up 0.02% of Ken Fisher's portfolio in Q1 2026, its #192 holding.
  • Ken Fisher first reported a position in Mercury Systems in Q1 2023 and has held it in 9 quarters since.
  • 357 funds tracked by Wall St. Rank held Mercury Systems as of Q1 2026.

Based on Fisher Asset Management's 13F filing for Q1 2026, filed 5 May 2026.