Paul Tudor Jones’s MarketAxess Holdings MKTX Stock Holding History

Paul Tudor Jones’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	$624K	Buy	+5,500	New	+$784K	﹤0.01%	2705
2026 Q1	–	Sell	-3,400	Closed	-$616K	–	4039
2025 Q4	$616K	Sell	3,400 -700	-17%	-$119K	﹤0.01%	2591
2025 Q3	$714K	Buy	4,100 +1,700	+71%	+$333K	﹤0.01%	2491
2025 Q2	$536K	Sell	2,400 -1,800	-43%	-$396K	﹤0.01%	2558
2025 Q1	$909K	Buy	+4,200	New	+$882K	﹤0.01%	1872
2024 Q3	–	Sell	-2,900	Closed	-$582K	–	2959
2024 Q2	$582K	Sell	2,900 -6,800	-70%	-$1.4M	﹤0.01%	1733
2024 Q1	$2.13M	Buy	+9,700	New	+$2.29M	0.01%	990
2023 Q4	–	Sell	-2,700	Closed	-$577K	–	2682
2023 Q3	$577K	Buy	+2,700	New	+$654K	0.01%	1608
2023 Q2	–	Sell	-2,400	Closed	-$938K	–	2749
2023 Q1	$938K	Sell	2,400 -500	-17%	-$177K	0.01%	1240
2022 Q4	$810K	Sell	2,900 -1,500	-34%	-$386K	0.02%	1257
2022 Q3	$978K	Buy	4,400 +3,600	+450%	+$924K	0.02%	927
2022 Q2	$205K	Buy	+800	New	+$219K	0.01%	1808

Other funds holding MKTX

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

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 Malvern, Pennsylvania $2.22T AUM

AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Neuberger Berman Group New York $150B AUM 40.08% 1-Year Est. Return

Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return

Paul Tudor Jones's MKTX Position: Q2 2026 in Review

Paul Tudor Jones opened a new position in MarketAxess Holdings (MKTX) in Q2 2026: 137,847 shares worth $15.6M. The stake represents 0.02% of the portfolio and ranks #595 among its holdings. This is a return to the name: Paul Tudor Jones previously reported a position in MKTX as recently as Q4 2025.

Paul Tudor Jones first reported a position in MKTX in Q4 2015 and has held it in 18 quarters since. The position peaked at $22.6M in Q3 2025. 392 funds tracked by Wall St. Rank hold MKTX as of Q2 2026.

Paul Tudor Jones held 137,847 shares of MarketAxess Holdings worth $15.6M as of Q2 2026.
MarketAxess Holdings was a new Paul Tudor Jones position in Q2 2026.
MarketAxess Holdings made up 0.02% of Paul Tudor Jones's portfolio in Q2 2026, its #595 holding.
Paul Tudor Jones first reported a position in MarketAxess Holdings in Q4 2015 and has held it in 18 quarters since.
Paul Tudor Jones's MarketAxess Holdings position peaked at $22.6M in Q3 2025.
392 funds tracked by Wall St. Rank held MarketAxess Holdings as of Q2 2026.

Based on Tudor Investment Corp's 13F filing for Q2 2026, filed 14 Aug 2026.