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Scientech Research LLC’s MarketAxess Holdings MKTX Stock Holding History

Scientech Research LLC’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 		– Sell
-1,473
Closed -$267K – 633
2025
Q4 		$267K Sell
1,473
-5,100
-78% -$870K 0.17% 229
2025
Q3 		$1.15M Sell
6,573
-694
-10% -$136K 0.4% 32
2025
Q2 		$1.62M Buy
7,267
+4,467
+160% +$982K 0.4% 39
2025
Q1 		$606K Buy
2,800
+1,904
+213% +$400K 0.16% 286
2024
Q4 		$203K Sell
896
-1,569
-64% -$413K 0.06% 494
2024
Q3 		$632K Sell
2,465
-2,853
-54% -$669K 0.13% 317
2024
Q2 		$1.07M Buy
+5,318
New +$1.1M 0.22% 169

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
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
NRCM
North Reef Capital Management Laguna Beach, California $2.61B AUM 11.5% 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 $3.37T AUM 44.26% 1-Year Est. Return
VanEck Associates
VanEck Associates New York $164B AUM 112.45% 1-Year Est. Return
Millennium Management
Millennium Management New York $276B AUM 44.8% 1-Year Est. Return

Scientech Research LLC's MKTX Position: Q1 2026 in Review

Scientech Research LLC sold out of MarketAxess Holdings (MKTX) in Q1 2026, closing a stake of 1,473 shares — an estimated $267K sold.

Scientech Research LLC first reported a position in MKTX in Q2 2024 and held it in 7 quarters. The position peaked at $1.62M in Q2 2025. 452 funds tracked by Wall St. Rank hold MKTX as of Q1 2026.

  • Scientech Research LLC reported no remaining MarketAxess Holdings position as of Q1 2026 after selling out during the quarter.
  • Scientech Research LLC sold 1,473 MarketAxess Holdings shares in Q1 2026, an estimated $267K.
  • Scientech Research LLC first reported a position in MarketAxess Holdings in Q2 2024 and held it in 7 quarters.
  • Scientech Research LLC's MarketAxess Holdings position peaked at $1.62M in Q2 2025.
  • 452 funds tracked by Wall St. Rank held MarketAxess Holdings as of Q1 2026.

Based on Scientech Research LLC's 13F filing for Q1 2026, filed 15 May 2026.