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Vanguard Personalized Indexing Management’s Mercury Systems MRCY Stock Holding History

Vanguard Personalized Indexing 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
2026
Q1 		$522K Buy
7,158
+1,315
+23% +$115K 0.01% 1284
2025
Q4 		$427K Buy
5,843
+1,872
+47% +$139K ﹤0.01% 1321
2025
Q3 		$307K Buy
+3,971
New +$247K ﹤0.01% 1495
2023
Q2 		– Sell
-4,385
Closed -$224K – 1508
2023
Q1 		$224K Buy
+4,385
New +$222K 0.01% 1272

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

Vanguard Personalized Indexing Management's MRCY Position: Q1 2026 in Review

Vanguard Personalized Indexing Management increased its Mercury Systems (MRCY) stake by 23% in Q1 2026, buying an estimated $115K and bringing the position to 7,158 shares worth $522K. The position accounts for 0.01% of the portfolio, ranked #1284.

Vanguard Personalized Indexing Management first reported a position in MRCY in Q1 2023 and has held it in 4 quarters since. 356 funds tracked by Wall St. Rank hold MRCY as of Q1 2026.

  • Vanguard Personalized Indexing Management held 7,158 shares of Mercury Systems worth $522K as of Q1 2026.
  • Vanguard Personalized Indexing Management bought 1,315 Mercury Systems shares in Q1 2026, an estimated $115K.
  • Mercury Systems made up 0.01% of Vanguard Personalized Indexing Management's portfolio in Q1 2026, its #1284 holding.
  • Vanguard Personalized Indexing Management first reported a position in Mercury Systems in Q1 2023 and has held it in 4 quarters since.
  • 356 funds tracked by Wall St. Rank held Mercury Systems as of Q1 2026.

Based on Vanguard Personalized Indexing Management's 13F filing for Q1 2026, filed 14 May 2026.