American Century Companies’s MarketAxess Holdings MKTX Stock Holding History

American Century Companies’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	$2.67M	Buy	16,192 +1,111	+7%	+$195K	﹤0.01%	2027
2025 Q4	$2.73M	Sell	15,081 -402	-3%	-$68.6K	﹤0.01%	1975
2025 Q3	$2.7M	Sell	15,483 -471,714	-97%	-$92.3M	﹤0.01%	1954
2025 Q2	$109M	Buy	487,197 +264,855	+119%	+$58.2M	0.06%	341
2025 Q1	$48.1M	Buy	222,342 +202,121	+1,000%	+$42.5M	0.03%	630
2024 Q4	$4.57M	Buy	20,221 +1,261	+7%	+$332K	﹤0.01%	1646
2024 Q3	$4.86M	Buy	18,960 +8,798	+87%	+$2.06M	﹤0.01%	1599
2024 Q2	$2.04M	Buy	10,162 +18	+0.2%	+$3.71K	﹤0.01%	1903
2024 Q1	$2.22M	Buy	10,144 +2,633	+35%	+$622K	﹤0.01%	1845
2023 Q4	$2.2M	Buy	7,511 +484	+7%	+$117K	﹤0.01%	1747
2023 Q3	$1.5M	Sell	7,027 -694,415	-99%	-$168M	﹤0.01%	1825
2023 Q2	$183M	Sell	701,442 -57,647	-8%	-$17.2M	0.14%	167
2023 Q1	$296M	Sell	759,089 -173,407	-19%	-$61.4M	0.23%	102
2022 Q4	$260M	Buy	932,496 +927,176	+17,428%	+$239M	0.21%	123
2022 Q3	$1.18M	Buy	5,320 +1,396	+36%	+$358K	﹤0.01%	1628
2022 Q2	$1M	Buy	3,924 +832	+27%	+$228K	﹤0.01%	1668
2022 Q1	$1.05M	Sell	3,092 -1,137	-27%	-$412K	﹤0.01%	1661
2021 Q4	$1.74M	Sell	4,229 -141,797	-97%	-$55.9M	﹤0.01%	1416
2021 Q3	$61.4M	Sell	146,026 -4,203	-3%	-$1.93M	0.04%	405
2021 Q2	$69.6M	Sell	150,229 -297,721	-66%	-$142M	0.05%	399
2021 Q1	$223M	Buy	447,950 +1,475	+0.3%	+$787K	0.16%	148
2020 Q4	$255M	Sell	446,475 -65,852	-13%	-$35.9M	0.2%	126
2020 Q3	$247M	Sell	512,327 -5,671	-1%	-$2.8M	0.22%	123
2020 Q2	$259M	Buy	517,998 +138,932	+37%	+$64.7M	0.25%	111
2020 Q1	$126M	Buy	379,066 +18,616	+5%	+$6.48M	0.15%	173
2019 Q4	$137M	Buy	360,450 +45,936	+15%	+$16.8M	0.13%	198
2019 Q3	$103M	Sell	314,514 -230,292	-42%	-$82.4M	0.1%	234
2019 Q2	$175M	Sell	544,806 -142,111	-21%	-$41.1M	0.17%	165
2019 Q1	$169M	Sell	686,917 -82,852	-11%	-$18.8M	0.17%	167
2018 Q4	$163M	Buy	769,769 +33,172	+5%	+$6.87M	0.19%	156
2018 Q3	$131M	Sell	736,597 -5,526	-0.7%	-$1.06M	0.13%	219
2018 Q2	$147M	Sell	742,123 -9,290	-1%	-$1.93M	0.15%	196
2018 Q1	$163M	Buy	751,413 +220,391	+42%	+$45.3M	0.17%	188
2017 Q4	$107M	Sell	531,022 -5,924	-1%	-$1.12M	0.11%	249
2017 Q3	$99.1M	Buy	536,946 +51,637	+11%	+$9.88M	0.1%	265
2017 Q2	$97.6M	Sell	485,309 -58,972	-11%	-$11.3M	0.1%	254
2017 Q1	$102M	Buy	544,281 +47,254	+10%	+$8.57M	0.11%	256
2016 Q4	$73M	Buy	497,027 +5,697	+1%	+$905K	0.08%	307
2016 Q3	$81.4M	Buy	491,330 +5,130	+1%	+$833K	0.09%	285
2016 Q2	$70.7M	Sell	486,200 -27,272	-5%	-$3.63M	0.08%	300
2016 Q1	$64.1M	Buy	513,472 +69,956	+16%	+$7.99M	0.07%	319
2015 Q4	$49.5M	Buy	443,516 +330,516	+292%	+$33.8M	0.06%	368
2015 Q3	$10.5M	Buy	113,000 +25,782	+30%	+$2.49M	0.01%	637
2015 Q2	$8.09M	Buy	87,218 +33,635	+63%	+$2.97M	0.01%	718
2015 Q1	$4.44M	Sell	53,583 -209	-0.4%	-$16.5K	0.01%	872
2014 Q4	$3.86M	Sell	53,792 -10,210	-16%	-$672K	﹤0.01%	937
2014 Q3	$3.96M	Buy	64,002 +341	+0.5%	+$19.2K	﹤0.01%	933
2014 Q2	$3.44M	Sell	63,661 -2,045	-3%	-$112K	﹤0.01%	991
2014 Q1	$3.89M	Sell	65,706 -5,746	-8%	-$355K	﹤0.01%	981
2013 Q4	$4.78M	Sell	71,452 -15,520	-18%	-$1.02M	0.01%	910
2013 Q3	$5.22M	Buy	86,972 +28,340	+48%	+$1.51M	0.01%	875
2013 Q2	$2.74M	Buy	+58,632	New	+$2.52M	﹤0.01%	1008

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

American Century Companies's MKTX Position: Q1 2026 in Review

American Century Companies increased its MarketAxess Holdings (MKTX) stake by 7.4% in Q1 2026, buying an estimated $195K and bringing the position to 16,192 shares worth $2.67M. The position accounts for ﹤0.01% of the portfolio, ranked #2027.

American Century Companies first reported a position in MKTX in Q2 2013 and has held it in 52 quarters since. The position peaked at $296M in Q1 2023. 448 funds tracked by Wall St. Rank hold MKTX as of Q1 2026.

American Century Companies held 16,192 shares of MarketAxess Holdings worth $2.67M as of Q1 2026.
American Century Companies bought 1,111 MarketAxess Holdings shares in Q1 2026, an estimated $195K.
MarketAxess Holdings made up ﹤0.01% of American Century Companies's portfolio in Q1 2026, its #2027 holding.
American Century Companies first reported a position in MarketAxess Holdings in Q2 2013 and has held it in 52 quarters since.
American Century Companies's MarketAxess Holdings position peaked at $296M in Q1 2023.
448 funds tracked by Wall St. Rank held MarketAxess Holdings as of Q1 2026.

Based on American Century Companies's 13F filing for Q1 2026, filed 15 May 2026.