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Brooklyn Investment Group’s MarketAxess Holdings MKTX Stock Holding History

Brooklyn Investment Group’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 		$239K Buy
1,448
+325
+29% +$56.9K 0.01% 1594
2025
Q4 		$206K Buy
+1,123
New +$192K 0.01% 1347
2025
Q3 		– Sell
-243
Closed -$54.3K – 1898
2025
Q2 		$54.3K Buy
243
+208
+594% +$45.7K 0.01% 1293
2025
Q1 		$7.57K Buy
35
+28
+400% +$5.88K ﹤0.01% 1644
2024
Q4 		$1.58K Buy
+7
New +$1.84K ﹤0.01% 1522

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

Brooklyn Investment Group's MKTX Position: Q1 2026 in Review

Brooklyn Investment Group increased its MarketAxess Holdings (MKTX) stake by 29% in Q1 2026, buying an estimated $56.9K and bringing the position to 1,448 shares worth $239K. The position accounts for 0.01% of the portfolio, ranked #1594.

Brooklyn Investment Group first reported a position in MKTX in Q4 2024 and has held it in 5 quarters since. 452 funds tracked by Wall St. Rank hold MKTX as of Q1 2026.

  • Brooklyn Investment Group held 1,448 shares of MarketAxess Holdings worth $239K as of Q1 2026.
  • Brooklyn Investment Group bought 325 MarketAxess Holdings shares in Q1 2026, an estimated $56.9K.
  • MarketAxess Holdings made up 0.01% of Brooklyn Investment Group's portfolio in Q1 2026, its #1594 holding.
  • Brooklyn Investment Group first reported a position in MarketAxess Holdings in Q4 2024 and has held it in 5 quarters since.
  • 452 funds tracked by Wall St. Rank held MarketAxess Holdings as of Q1 2026.

Based on Brooklyn Investment Group's 13F filing for Q1 2026, filed 29 Apr 2026.