MarketAxess Holdings Inc.
US ˙ NasdaqGS ˙ US57060D1081

SecurityMKTX / MarketAxess Holdings Inc.
InstitutionNeuberger Berman Group LLC
Latest Disclosed Ownership966,029 shares
Latest Disclosed Value $ 159,375,424
Neuberger Berman Group LLC reports 75.76% increase in ownership of MKTX / MarketAxess Holdings Inc.

On May 14, 2026 - Neuberger Berman Group LLC filed a 13F-HR form disclosing ownership of 966,029 shares of MarketAxess Holdings Inc. (US:MKTX) valued at $159,375,464 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 13, 2026 disclosing 549,639 shares of MarketAxess Holdings Inc.. This represents a change in shares of 75.76% during the quarter. The current value of the position is $112,957,771 USD.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date
Effective
Date
Form Security Class ID Avg Price
Paid (Est)
Reported
Shares
ΔShares ΔShares
(%)
Reported
Value
(x1000)
ΔValue
(%)
Alloc
(%)
ΔAlloc ΔAlloc (%) Cost Basis
(x1000)
Unrealized
Gain/Loss
(x1000)
2026-05-14 2026-03-31 13F MARKETAXESS HOLDINGS Common 57060D108 966,029 416,390 75.76 159,375 59.98 0.1213
2026-02-13 2025-12-31 13F MARKETAXESS HOLDINGS Common 57060D108 549,639 547,573 26,504.02 99,622 27,572.78 0.0742
2025-11-12 2025-09-30 13F MARKETAXESS HOLDINGS Common 57060D108 2,066 -3,024 -59.41 360 -68.31 0.0003
2025-08-25 2025-06-30 13F/A-1 MARKETAXESS HOLDINGS Common 57060D108 5,090 1,543 43.50 1,137 48.11 0.0009
2025-08-13 2025-06-30 13F MARKETAXESS HOLDINGS Common 57060D108 5,090 1,543 1,137 0.0005
2025-05-13 2025-03-31 13F MARKETAXESS HOLDINGS Common 57060D108 3,547 -2,486 -41.21 767 -43.73 0.0006
2025-02-13 2024-12-31 13F MARKETAXESS HOLDINGS Common 57060D108 6,033 2,920 93.80 1,364 71.02 0.0011
2024-11-14 2024-09-30 13F MARKETAXESS HOLDINGS Common 57060D108 3,113 31 1.01 798 28.96 0.0006
2024-11-14 2024-06-30 13F/A-1 MARKETAXESS HOLDINGS Common 57060D108 3,082 -175,089 -98.27 618 -98.42 0.0005
2024-08-13 2024-06-30 13F MARKETAXESS HOLDINGS Common 57060D108 3,082 -175,089 618 0.0005
2024-11-14 2024-03-31 13F/A-1 MARKETAXESS HOLDINGS Common 57060D108 178,171 -104,482 -36.96 39,064 -52.81 0.0323
2024-05-13 2024-03-31 13F MARKETAXESS HOLDINGS Common 57060D108 178,171 -104,482 39,064 0.0323
2024-11-14 2023-12-31 13F/A-2 MARKETAXESS HOLDINGS Common 57060D108 282,653 -2,160 -0.76 82,775 36.04 0.0722
2024-02-09 2023-12-31 13F MARKETAXESS HOLDINGS Common 57060D108 282,653 -2,160 82,775 0.0722
2023-11-14 2023-09-30 13F MARKETAXESS HOLDINGS Common 57060D108 284,813 -1,898 -0.66 60,847 -18.82 0.0554
2023-08-11 2023-06-30 13F MARKETAXESS HOLDINGS Common 57060D108 286,711 -65,251 -18.54 74,952 -45.58 0.0670
2023-05-12 2023-03-31 13F MARKETAXESS HOLDINGS Common 57060D108 351,962 -6,392 -1.78 137,719 37.80 0.1277
2023-02-13 2022-12-31 13F MARKETAXESS HOLDINGS Common 57060D108 358,354 -1,192 -0.33 99,941 24.93 0.0980
2022-11-15 2022-09-30 13F MARKETAXESS HOLDINGS Common 57060D108 359,546 -31,521 -8.06 79,997 -20.10 0.0835
2022-08-15 2022-06-30 13F MARKETAXESS HOLDINGS Common 57060D108 391,067 -131 -0.03 100,118 -24.77 0.1006
2022-05-23 2022-03-31 13F/A-1 MARKETAXESS HOLDINGS Common 57060D108 391,198 -5,431 -1.37 133,087 -17.17 0.1128
2022-05-13 2022-03-31 13F MARKETAXESS HOLDINGS Common 57060D108 391,198 -5,431 131,139 0.0585
2022-02-11 2021-12-31 13F MARKETAXESS HOLDINGS Common 57060D108 396,629 -7,166 -1.77 160,680 -4.71 0.1261
2021-11-12 2021-09-30 13F MARKETAXESS HOLDINGS Common 57060D108 403,795 -43,210 -9.67 168,628 -18.33 0.1474
2021-08-13 2021-06-30 13F MARKETAXESS HOLDINGS Common 57060D108 447,005 -13,527 -2.94 206,475 -9.35 0.1802
2021-05-13 2021-03-31 13F MARKETAXESS HOLDINGS Common 57060D108 460,532 -106,674 -18.81 227,773 -29.40 0.2176
2021-02-10 2020-12-31 13F MARKETAXESS HOLDINGS Common 57060D108 567,206 -149,299 -20.84 322,644 -6.39 0.3345
2020-11-12 2020-09-30 13F MARKETAXESS HOLDINGS Common 57060D108 716,505 -17,946 -2.44 344,669 -6.21 0.4087
2020-08-13 2020-06-30 13F MARKETAXESS HOLDINGS Common 57060D108 734,451 -40,028 -5.17 367,497 42.68 0.4569
2020-05-14 2020-03-31 13F MARKETAXESS HOLDINGS Common 57060D108 774,479 -29,159 -3.63 257,568 -15.46 0.3926
2020-02-12 2019-12-31 13F MARKETAXESS HOLDINGS Common 57060D108 803,638 -24,293 -2.93 304,667 12.36 0.3556
2019-11-13 2019-09-30 13F MARKETAXESS HOLDINGS Common 57060D108 827,931 -20,600 -2.43 271,147 -0.58 0.3312
2019-08-13 2019-06-30 13F MARKETAXESS HOLDINGS Common 57060D108 848,531 -47,519 -5.30 272,735 23.69 0.3262
2019-05-13 2019-03-31 13F MARKETAXESS HOLDINGS Common 57060D108 896,050 -27,387 -2.97 220,500 13.00 0.2702
2019-02-12 2018-12-31 13F MARKETAXESS HOLDINGS Common 57060D108 923,437 -33,228 -3.47 195,131 14.28 0.2720
2018-11-16 2018-09-30 13F/A-1 MARKETAXESS HOLDINGS Common 57060D108 956,665 -33,383 -3.37 170,755 -12.83 0.1935
2018-11-13 2018-09-30 13F MARKETAXESS HOLDINGS Common 57060D108 956,665 -33,383 170,755
2018-08-13 2018-06-30 13F MARKETAXESS HOLDINGS Common 57060D108 990,048 -37,503 -3.65 195,891 -12.33 0.2163
2018-05-08 2018-03-31 13F MARKETAXESS HOLDINGS Common 57060D108 1,027,551 -36,237 -3.41 223,431 4.11 0.2553
2018-02-14 2017-12-31 13F MARKETAXESS HOLDINGS Common 57060D108 1,063,788 75,214 7.61 214,619 17.66 0.2467
2017-11-15 2017-09-30 13F MARKETAXESS HOLDINGS COMMON STOCK 57060D108 988,574 4,191 0.43 182,402 -7.86 0.2282
2017-08-08 2017-06-30 13F MARKETAXESS HOLDINGS COMMON STOCK 57060D108 984,383 -39,712 -3.88 197,959 3.10 0.2542
2017-05-10 2017-03-31 13F MARKETAXESS HOLDINGS COMMON STOCK 57060D108 1,024,095 -13,641 -1.31 192,008 25.94 0.2478
2017-02-06 2016-12-31 13F MARKETAXESS HOLDINGS COMMON STOCK 57060D108 1,037,736 -45,859 -4.23 152,464 -15.03 0.2048
2016-11-02 2016-09-30 13F MARKETAXESS HOLDINGS COMMON STOCK 57060D108 1,083,595 -25,063 -2.26 179,432 11.31 0.2434
2016-08-05 2016-06-30 13F MARKETAXESS HOLDINGS COMMON STOCK 57060D108 1,108,658 -23,077 -2.04 161,199 14.10 0.2221
2016-05-06 2016-03-31 13F MARKETAXESS HOLDINGS COMMON STOCK 57060D108 1,131,735 -28,505 -2.46 141,274 9.12 0.1942
2016-01-28 2015-12-31 13F MARKETAXESS HOLDINGS COMMON STOCK 57060D108 1,160,240 144,274 14.20 129,471 37.21 0.1695
2015-11-10 2015-09-30 13F MARKETAXESS HOLDINGS COMMON STOCK 57060D108 1,015,966 293,540 40.63 94,363 40.80 0.1216
2015-07-31 2015-06-30 13F MARKETAXESS HOLDINGS COMMON STOCK 57060D108 722,426 11,862 1.67 67,019 13.77 0.0745
2015-05-06 2015-03-31 13F MARKETAXESS HOLDINGS COMMON STOCK 57060D108 710,564 710,564 0.00 58,906 0.0629
2015-02-05 2014-12-31 13F MARKETAXESS HOLDINGS COMMON STOCK 57060D108 0 -671,349 -100.00 0 -100.00
2014-11-04 2014-09-30 13F MARKETAXESS HOLDINGS COMMON STOCK 57060D108 671,349 667,933 19,553.07 41,529 14,025.51 0.0426
2014-08-05 2014-06-30 13F MEASUREMENT SPECIALTIES COMMON STOCK 583421102 3,416 -21,524 -86.30 294 -82.62 0.0003
2014-08-05 2014-06-30 13F MARKETAXESS HOLDINGS COMMON STOCK 57060D108 310,840 285,900 16,804 0.0164
2014-05-05 2014-03-31 13F MEASUREMENT SPECIALTIES COMMON STOCK 583421102 24,940 2,800 12.65 1,692 25.89 0.0017
2014-02-11 2013-12-31 13F MEASUREMENT SPECIALTIES COMMON STOCK 583421102 22,140 22,140 1,344 0.0014
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.