MarketAxess — Institutional Ownership
Which tracked institutions hold MKTX, and how they changed the position last quarter. Latest holdings as of Jun 30, 2026. Source: SEC 13-F filings.
33
Funds holding
$1305666559
Total value held
Buying
22 added/new · 10 reduced
| # | Institution | Value | Shares | Δ Shares | Change (QoQ) |
|---|---|---|---|---|---|
| 1 | Blackrock, Inc. | $453941390 | 3999836 | -75318 | -1.85% |
| 2 | State Street Corp | $145433788 | 1281769 | +912 | +0.07% |
| 3 | Citigroup Inc | $120783094 | 1064262 | +1032866 | +3289.80% |
| 4 | Goldman Sachs Group Inc | $117043220 | 1031309 | +522266 | +102.60% |
| 5 | Bank Of Montreal /Can/ | $115422088 | 1017024 | -3535 | -0.35% |
| 6 | Jpmorgan Chase & Co | $48329209 | 438001 | +5175 | +1.20% |
| 7 | Morgan Stanley | $47991093 | 422864 | -67673 | -13.80% |
| 8 | Bank Of America Corp /De/ | $34446181 | 303517 | +39659 | +15.03% |
| 9 | Ubs Group Ag | $31634770 | 278745 | +278745 | NEW BUY |
| 10 | Bank Of New York Mellon Corp | $29239844 | 257642 | -32298 | -11.14% |
| 11 | Northern Trust Corp | $27977668 | 246521 | +10171 | +4.30% |
| 12 | Janus Henderson Group Plc | $27849291 | 168797 | +168797 | NEW BUY |
| 13 | Principal Financial Group Inc | $19669179 | 173312 | -8486 | -4.67% |
| 14 | Invesco Ltd. | $15981321 | 140817 | +140817 | NEW BUY |
| 15 | Bank Of Nova Scotia | $13097881 | 115410 | +90798 | +368.92% |
| 16 | Raymond James Financial Inc | $12969377 | 114278 | -7357 | -6.05% |
| 17 | Ameriprise Financial Inc | $9007934 | 79372 | +79372 | NEW BUY |
| 18 | Stifel Financial Corp | $6426033 | 56622 | +56622 | NEW BUY |
| 19 | Sei Investments Co | $6357908 | 56022 | +25791 | +85.31% |
| 20 | Royal Bank Of Canada | $4473000 | 39421 | +8498 | +27.48% |
| 21 | Corebridge Financial, Inc. | $4248795 | 38650 | +38650 | NEW BUY |
| 22 | Prudential Financial Inc | $3670380 | 32341 | -1403 | -4.16% |
| 23 | Franklin Resources Inc | $3613294 | 31838 | +14235 | +80.87% |
| 24 | Barclays Plc | $2439922 | 21499 | +7652 | +55.26% |
| 25 | Wells Fargo & Company/Mn | $1134069 | 9993 | +5066 | +102.82% |
| 26 | Fifth Third Bancorp | $1094818 | 9647 | -493 | -4.86% |
| 27 | Toronto Dominion Bank | $684000 | 6035 | — | Held |
| 28 | Citizens Financial Group Inc/Ri | $374146 | 3297 | +705 | +27.20% |
| 29 | Pnc Financial Services Group, Inc. | $187144 | 1649 | -476 | -22.40% |
| 30 | Us Bancorp \De\ | $116781 | 1029 | -1939 | -65.33% |
| 31 | Federated Hermes, Inc. | $27919 | 246 | +246 | NEW BUY |
| 32 | Southstate Bank Corp | $568 | 5 | +5 | NEW BUY |
| 33 | Zions Bancorporation, National Association /Ut/ | $454 | 4 | +4 | NEW BUY |
Aggregated across tracked institutional filers. Reported quarterly on SEC Form 13-F and may lag. For research only — not investment advice.