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Entropy Technologies’s MarketAxess Holdings MKTX Stock Holding History

Entropy Technologies’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 		$527K Buy
+3,192
New +$559K 0.02% 575
2025
Q3 		– Sell
-2,090
Closed -$467K – 988
2025
Q2 		$467K Buy
+2,090
New +$459K 0.04% 499
2024
Q2 		– Sell
-4,024
Closed -$882K – 842
2024
Q1 		$882K Buy
+4,024
New +$951K 0.09% 317

Other funds holding MKTX

BlackRock
BlackRock New York $5.72T AUM 30.48% 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 $2.9T AUM 29.55% 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

Entropy Technologies's MKTX Position: Q1 2026 in Review

Entropy Technologies opened a new position in MarketAxess Holdings (MKTX) in Q1 2026: 3,192 shares worth $527K. The stake represents 0.02% of the portfolio and ranks #575 among its holdings. This is a return to the name: Entropy Technologies previously reported a position in MKTX as recently as Q2 2025.

Entropy Technologies first reported a position in MKTX in Q1 2024 and has held it in 3 quarters since. The position peaked at $882K in Q1 2024. 448 funds tracked by Wall St. Rank hold MKTX as of Q1 2026.

  • Entropy Technologies held 3,192 shares of MarketAxess Holdings worth $527K as of Q1 2026.
  • MarketAxess Holdings was a new Entropy Technologies position in Q1 2026.
  • MarketAxess Holdings made up 0.02% of Entropy Technologies's portfolio in Q1 2026, its #575 holding.
  • Entropy Technologies first reported a position in MarketAxess Holdings in Q1 2024 and has held it in 3 quarters since.
  • Entropy Technologies's MarketAxess Holdings position peaked at $882K in Q1 2024.
  • 448 funds tracked by Wall St. Rank held MarketAxess Holdings as of Q1 2026.

Based on Entropy Technologies's 13F filing for Q1 2026, filed 14 May 2026.