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Robertson Opportunity Capital’s MarketAxess Holdings MKTX Stock Holding History

Robertson Opportunity Capital’s Portfolio MKTX Stock Details MKTX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$4.76M Hold
28,830
– – 1.83% 21
2025
Q4 		$5.23M Buy
+28,830
New +$4.92M 1.9% 21

Other funds holding MKTX

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Primecap Management
Primecap Management Pasadena, California $127B AUM 44.11% 1-Year Est. Return
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $218B AUM 29.41% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
NRCM
North Reef Capital Management Laguna Beach, California $2.91B AUM 11.03% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
VanEck Associates
VanEck Associates New York $133B AUM 72.99% 1-Year Est. Return
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return

Robertson Opportunity Capital's MKTX Position: Q1 2026 in Review

Robertson Opportunity Capital held its MarketAxess Holdings (MKTX) position steady in Q1 2026 at 28,830 shares worth $4.76M. The position accounts for 1.83% of the portfolio, ranked #21.

Robertson Opportunity Capital first reported a position in MKTX in Q4 2025 and has held it in 2 quarters since. The position peaked at $5.23M in Q4 2025. 450 funds tracked by Wall St. Rank hold MKTX as of Q1 2026.

  • Robertson Opportunity Capital held 28,830 shares of MarketAxess Holdings worth $4.76M as of Q1 2026.
  • Robertson Opportunity Capital left its MarketAxess Holdings share count unchanged in Q1 2026.
  • MarketAxess Holdings made up 1.83% of Robertson Opportunity Capital's portfolio in Q1 2026, its #21 holding.
  • Robertson Opportunity Capital first reported a position in MarketAxess Holdings in Q4 2025 and has held it in 2 quarters since.
  • Robertson Opportunity Capital's MarketAxess Holdings position peaked at $5.23M in Q4 2025.
  • 450 funds tracked by Wall St. Rank held MarketAxess Holdings as of Q1 2026.

Based on Robertson Opportunity Capital's 13F filing for Q1 2026, filed 12 May 2026.