RC
MKTX icon

RDST Capital’s MarketAxess Holdings MKTX Stock Holding History

RDST 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
Q2 		$28M Sell
247,112
-48,155
-16% -$6.86M 2.32% 17
2026
Q1 		$48.7M Sell
295,267
-15,430
-5% -$2.7M 4.69% 14
2025
Q4 		$56.3M Buy
310,697
+29,150
+10% +$4.97M 5.31% 9
2025
Q3 		$49.1M Buy
281,547
+172,542
+158% +$33.8M 4.62% 13
2025
Q2 		$24.3M Buy
109,005
+74,780
+218% +$16.4M 2.43% 17
2025
Q1 		$7.4M Buy
+34,225
New +$7.19M 1.05% 16

Other funds holding MKTX

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Primecap Management
Primecap Management Pasadena, California $169B AUM 114.72% 1-Year Est. Return
NRCM
North Reef Capital Management Laguna Beach, California $2.61B AUM 11.5% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return
Neuberger Berman Group
Neuberger Berman Group New York $150B AUM 40.08% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return

RDST Capital's MKTX Position: Q2 2026 in Review

RDST Capital reduced its MarketAxess Holdings (MKTX) stake by 16% in Q2 2026, selling an estimated $6.86M and leaving 247,112 shares worth $28M. The position accounts for 2.32% of the portfolio, ranked #17.

RDST Capital first reported a position in MKTX in Q1 2025 and has held it in 6 quarters since. The position peaked at $56.3M in Q4 2025. 397 funds tracked by Wall St. Rank hold MKTX as of Q2 2026.

  • RDST Capital held 247,112 shares of MarketAxess Holdings worth $28M as of Q2 2026.
  • RDST Capital sold 48,155 MarketAxess Holdings shares in Q2 2026, an estimated $6.86M.
  • MarketAxess Holdings made up 2.32% of RDST Capital's portfolio in Q2 2026, its #17 holding.
  • RDST Capital first reported a position in MarketAxess Holdings in Q1 2025 and has held it in 6 quarters since.
  • RDST Capital's MarketAxess Holdings position peaked at $56.3M in Q4 2025.
  • 397 funds tracked by Wall St. Rank held MarketAxess Holdings as of Q2 2026.

Based on RDST Capital's 13F filing for Q2 2026, filed 14 Aug 2026.