Two Sigma Advisers’s MarketAxess Holdings MKTX Stock Holding History

Two Sigma Advisers’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	-171,600	Closed	-$31.1M	–	1293
2025 Q4	$31.1M	Sell	171,600 -2,600	-1%	-$444K	0.06%	255
2025 Q3	$30.4M	Sell	174,200 -69,200	-28%	-$13.5M	0.06%	246
2025 Q2	$54.4M	Sell	243,400 -86,000	-26%	-$18.9M	0.11%	175
2025 Q1	$71.3M	Buy	329,400 +96,300	+41%	+$20.2M	0.16%	135
2024 Q4	$52.7M	Buy	233,100 +44,700	+24%	+$11.8M	0.12%	161
2024 Q3	$48.3M	Buy	188,400 +79,300	+73%	+$18.6M	0.11%	167
2024 Q2	$21.9M	Buy	109,100 +100,400	+1,154%	+$20.7M	0.05%	312
2024 Q1	$1.91M	Sell	8,700 -15,000	-63%	-$3.54M	﹤0.01%	1252
2023 Q4	$6.94M	Sell	23,700 -60,000	-72%	-$14.5M	0.02%	673
2023 Q3	$17.9M	Buy	83,700 +76,300	+1,031%	+$18.5M	0.05%	335
2023 Q2	$1.93M	Buy	+7,400	New	+$2.21M	﹤0.01%	1217
2023 Q1	–	Sell	-88,000	Closed	-$24.5M	–	2687
2022 Q4	$24.5M	Sell	88,000 -62,800	-42%	-$16.2M	0.07%	279
2022 Q3	$33.6M	Buy	150,800 +96,000	+175%	+$24.6M	0.1%	212
2022 Q2	$14M	Buy	54,800 +53,400	+3,814%	+$14.6M	0.04%	407
2022 Q1	$476K	Buy	+1,400	New	+$507K	﹤0.01%	2009
2021 Q2	–	Sell	-13,100	Closed	-$6.52M	–	2596
2021 Q1	$6.52M	Sell	13,100 -4,029	-24%	-$2.15M	0.02%	746
2020 Q4	$9.77M	Sell	17,129 -21,800	-56%	-$11.9M	0.03%	576
2020 Q3	$18.7M	Sell	38,929 -2,871	-7%	-$1.42M	0.05%	333
2020 Q2	$20.9M	Buy	41,800 +300	+0.7%	+$140K	0.06%	309
2020 Q1	$13.8M	Buy	41,500 +3,600	+9%	+$1.25M	0.05%	381
2019 Q4	$14.4M	Buy	37,900 +15,000	+66%	+$5.5M	0.03%	475
2019 Q3	$7.5M	Buy	+22,900	New	+$8.2M	0.02%	631
2017 Q4	–	Sell	-3,529	Closed	-$651K	–	2328
2017 Q3	$651K	Sell	3,529 -2,200	-38%	-$421K	﹤0.01%	1650
2017 Q2	$1.15M	Sell	5,729 -20,200	-78%	-$3.87M	﹤0.01%	1454
2017 Q1	$4.86M	Buy	25,929 +3,500	+16%	+$634K	0.02%	815
2016 Q4	$3.29M	Sell	22,429 -13,000	-37%	-$2.07M	0.01%	924
2016 Q3	$5.87M	Buy	+35,429	New	+$5.75M	0.03%	593
2015 Q2	–	Sell	-4,629	Closed	-$384K	–	2004
2015 Q1	$384K	Sell	4,629 -300	-6%	-$23.8K	﹤0.01%	1469
2014 Q4	$353K	Sell	4,929 -200	-4%	-$13.2K	﹤0.01%	1846
2014 Q3	$317K	Buy	5,129 +1,200	+31%	+$67.6K	﹤0.01%	1833
2014 Q2	$212K	Buy	+3,929	New	+$215K	﹤0.01%	2256
2014 Q1	–	Sell	-3,723	Closed	-$249K	–	2439
2013 Q4	$249K	Sell	3,723 -2,106	-36%	-$139K	﹤0.01%	2005
2013 Q3	$350K	Buy	+5,829	New	+$311K	﹤0.01%	1615

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 $2.9T AUM 29.55% 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

Two Sigma Advisers's MKTX Position: Q1 2026 in Review

Two Sigma Advisers sold out of MarketAxess Holdings (MKTX) in Q1 2026, closing a stake of 171,600 shares — an estimated $31.1M sold.

Two Sigma Advisers first reported a position in MKTX in Q3 2013 and held it in 33 quarters. The position peaked at $71.3M in Q1 2025. 447 funds tracked by Wall St. Rank hold MKTX as of Q1 2026.

Two Sigma Advisers reported no remaining MarketAxess Holdings position as of Q1 2026 after selling out during the quarter.
Two Sigma Advisers sold 171,600 MarketAxess Holdings shares in Q1 2026, an estimated $31.1M.
Two Sigma Advisers first reported a position in MarketAxess Holdings in Q3 2013 and held it in 33 quarters.
Two Sigma Advisers's MarketAxess Holdings position peaked at $71.3M in Q1 2025.
447 funds tracked by Wall St. Rank held MarketAxess Holdings as of Q1 2026.

Based on Two Sigma Advisers's 13F filing for Q1 2026.