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	$726K	Buy	+6,400	New	+$912K	﹤0.01%	2622
2026 Q1	–	Sell	-2,300	Closed	-$417K	–	4041
2025 Q4	$417K	Buy	+2,300	New	+$393K	﹤0.01%	2817
2025 Q3	–	Sell	-1,300	Closed	-$290K	–	3681
2025 Q2	$290K	Sell	1,300 -900	-41%	-$198K	﹤0.01%	2907
2025 Q1	$476K	Buy	+2,200	New	+$462K	﹤0.01%	2311
2024 Q3	–	Sell	-4,500	Closed	-$902K	–	2960
2024 Q2	$902K	Sell	4,500 -1,500	-25%	-$309K	﹤0.01%	1509
2024 Q1	$1.32M	Buy	+6,000	New	+$1.42M	0.01%	1213
2023 Q4	–	Sell	-1,700	Closed	-$363K	–	2684
2023 Q3	$363K	Buy	+1,700	New	+$412K	﹤0.01%	1840
2023 Q2	–	Sell	-1,800	Closed	-$703K	–	2750
2023 Q1	$703K	Buy	1,800 +600	+50%	+$212K	0.01%	1414
2022 Q4	$336K	Sell	1,200 -1,600	-57%	-$412K	0.01%	1824
2022 Q3	$620K	Buy	2,800 +1,900	+211%	+$488K	0.01%	1245
2022 Q2	$230K	Buy	+900	New	+$246K	0.01%	1727

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.