Picton Mahoney Asset Management’s MarketAxess Holdings MKTX Stock Holding History

Picton Mahoney Asset 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 Q1	–	Sell	-32,396	Closed	-$5.87M	–	1351
2025 Q4	$5.87M	Buy	+32,396	New	+$5.53M	0.05%	296
2024 Q4	–	Sell	-30,212	Closed	-$7.74M	–	897
2024 Q3	$7.74M	Buy	+30,212	New	+$7.08M	0.25%	122
2024 Q1	–	Sell	-36,978	Closed	-$10.8M	–	446
2023 Q4	$10.8M	Buy	+36,978	New	+$8.94M	0.29%	80
2023 Q2	–	Sell	-28,500	Closed	-$11.2M	–	463
2023 Q1	$11.2M	Buy	28,500 +27,976	+5,339%	+$9.91M	0.5%	62
2022 Q4	$146K	Buy	+524	New	+$135K	0.01%	503
2022 Q2	–	Sell	-13,270	Closed	-$4.52M	–	887
2022 Q1	$4.52M	Buy	+13,270	New	+$4.81M	0.16%	163

Other funds holding MKTX

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Primecap Management Pasadena, California $127B AUM 44.11% 1-Year Est. Return

AQR Capital Management Greenwich, Connecticut $218B AUM 29.41% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

NRCM

North Reef Capital Management Laguna Beach, California $2.91B AUM 11.03% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

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

VanEck Associates New York $133B AUM 72.99% 1-Year Est. Return

Millennium Management New York $240B AUM 35.51% 1-Year Est. Return

Picton Mahoney Asset Management's MKTX Position: Q1 2026 in Review

Picton Mahoney Asset Management sold out of MarketAxess Holdings (MKTX) in Q1 2026, closing a stake of 32,396 shares — an estimated $5.87M sold.

Picton Mahoney Asset Management first reported a position in MKTX in Q1 2022 and held it in 6 quarters. The position peaked at $11.2M in Q1 2023. 450 funds tracked by Wall St. Rank hold MKTX as of Q1 2026.

Picton Mahoney Asset Management reported no remaining MarketAxess Holdings position as of Q1 2026 after selling out during the quarter.
Picton Mahoney Asset Management sold 32,396 MarketAxess Holdings shares in Q1 2026, an estimated $5.87M.
Picton Mahoney Asset Management first reported a position in MarketAxess Holdings in Q1 2022 and held it in 6 quarters.
Picton Mahoney Asset Management's MarketAxess Holdings position peaked at $11.2M in Q1 2023.
450 funds tracked by Wall St. Rank held MarketAxess Holdings as of Q1 2026.

Based on Picton Mahoney Asset Management's 13F filing for Q1 2026, filed 13 May 2026.