Brevan Howard Capital Management’s MarketAxess Holdings MKTX Stock Holding History

Brevan Howard Capital Management’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	$5.79M	Buy	+51,050	New	+$7.27M	0.04%	292
2026 Q1	–	Sell	-4,288	Closed	-$777K	–	2350
2025 Q4	$777K	Sell	4,288 -29,654	-87%	-$5.06M	0.01%	888
2025 Q3	$5.91M	Buy	33,942 +15,217	+81%	+$2.98M	0.03%	211
2025 Q2	$4.18M	Buy	18,725 +14,266	+320%	+$3.14M	0.02%	438
2025 Q1	$965K	Buy	+4,459	New	+$937K	0.01%	511
2024 Q4	–	Sell	-3,946	Closed	-$1.01M	–	1289
2024 Q3	$1.01M	Buy	3,946 +2,166	+122%	+$508K	0.01%	448
2024 Q2	$357K	Buy	+1,780	New	+$367K	﹤0.01%	719

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

Brevan Howard Capital Management's MKTX Position: Q2 2026 in Review

Brevan Howard Capital Management opened a new position in MarketAxess Holdings (MKTX) in Q2 2026: 51,050 shares worth $5.79M. The stake represents 0.04% of the portfolio and ranks #292 among its holdings. This is a return to the name: Brevan Howard Capital Management previously reported a position in MKTX as recently as Q4 2025.

Brevan Howard Capital Management first reported a position in MKTX in Q2 2024 and has held it in 7 quarters since. The position peaked at $5.91M in Q3 2025. 393 funds tracked by Wall St. Rank hold MKTX as of Q2 2026.

Brevan Howard Capital Management held 51,050 shares of MarketAxess Holdings worth $5.79M as of Q2 2026.
MarketAxess Holdings was a new Brevan Howard Capital Management position in Q2 2026.
MarketAxess Holdings made up 0.04% of Brevan Howard Capital Management's portfolio in Q2 2026, its #292 holding.
Brevan Howard Capital Management first reported a position in MarketAxess Holdings in Q2 2024 and has held it in 7 quarters since.
Brevan Howard Capital Management's MarketAxess Holdings position peaked at $5.91M in Q3 2025.
393 funds tracked by Wall St. Rank held MarketAxess Holdings as of Q2 2026.

Based on Brevan Howard Capital Management's 13F filing for Q2 2026, filed 14 Aug 2026.