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MKTX · AXP in the 13F filings

Two to four stocks side by side among the 95 tracked managers: who lists them, how that has moved, who bought and sold in a quarter, and which managers hold more than one.

MKTXAXP
Quarter
Q2 2026Q1 2026Q4 2025Q3 2025Q2 2025Q1 2025Q4 2024Q3 2024Q2 2024Q1 2024Q4 2023

Holders over time

Tracked managers listing each stock every quarter, at least, or their combined reported value. A gap is a quarter in which no tracked manager listed it. Click a quarter to compare there.
  • MKTX
  • AXP
010203040202120222023202420252026
Holders and value by quarter
QuarterMKTXAXP
Q3 202015 holders, $2.7bn24 holders, $25.7bn
Q4 202016 holders, $3.4bn21 holders, $30.8bn
Q1 202117 holders, $3.4bn24 holders, $36.9bn
Q2 202113 holders, $3.6bn21 holders, $42.9bn
Q3 202112 holders, $3.1bn26 holders, $42.0bn
Q4 202114 holders, $3.2bn27 holders, $39.7bn
Q1 202214 holders, $2.3bn20 holders, $45.0bn
Q2 202218 holders, $1.6bn36 holders, $33.2bn
Q3 202216 holders, $672m35 holders, $32.3bn
Q4 20229 holders, $671m35 holders, $34.4bn
Q1 20237 holders, $1.1bn32 holders, $38.7bn
Q2 20239 holders, $756m30 holders, $40.1bn
Q3 202314 holders, $595m34 holders, $34.1bn
Q4 202313 holders, $898m28 holders, $42.5bn
Q1 20249 holders, $353m33 holders, $52.6bn
Q2 202414 holders, $562m31 holders, $52.6bn
Q3 202414 holders, $1.0bn30 holders, $60.7bn
Q4 202415 holders, $1.0bn26 holders, $65.8bn
Q1 202513 holders, $1.0bn33 holders, $59.9bn
Q2 202519 holders, $1.2bn29 holders, $69.4bn
Q3 202516 holders, $670m30 holders, $70.8bn
Q4 202514 holders, $892m31 holders, $77.2bn
Q1 202613 holders, $1.0bn33 holders, $61.2bn
Q2 202610 holders, $475m30 holders, $65.4bn
MKTX

Marketaxess Holdings Inc

Holders
14
Reported value
$562m
Buyers
11
Sellers
4

Breadth +7 among 94 comparable managers.

Other financial servicesFinancial services · L3VLUP
AXP

American Express Co

Holders
31
Reported value
$52.6bn
Buyers
13
Sellers
16

Breadth -3 among 94 comparable managers.

Other financial servicesFinancial services · L3VLUP

Who holds both, Q2 2024

Among the 40 tracked managers listing any of them. "Only" is about listed positions: a manager may hold the other below its listed range.

Only MKTX (9)

Baillie Gifford & Co, Balyasny Asset Management LLC, Bridgewater Associates LP, Marshall Wace LLP, Polen Capital Management LLC, Two Sigma Advisers LP, Two Sigma Investments LP, Verition Fund Management LLC, Walleye Capital LLC

Only AXP (26)

Acadian Asset Management LLC, AllianceBernstein LP, Arrowstreet Capital LP, Berkshire Hathaway Inc, Brevan Howard Capital Management LP, Capital Research Global Investors, Capital World Investors, D. E. Shaw & Co., Dodge & Cox, Eisler Capital Management Ltd, Fidelity (FMR LLC), First Eagle Investment Management LLC, GAMCO Investors Inc, Harris Associates LP, Invesco Ltd, Jane Street Group LLC, Janus Henderson Group Ltd, Markel Group Inc, MFS Investment Management, Neuberger Berman Group LLC, Point72 Asset Management LP, Ruane Cunniff & Goldfarb LP, Schonfeld Strategic Advisors LLC, Squarepoint Ops LLC, T. Rowe Price Associates Inc, and 1 more

How much of the picture this is

A 13F is a manager’s long US-listed equity book at a quarter end, filed up to 45 days later. Buyers and sellers count comparable managers (those that filed both quarters) by shares, so a rise in value with no rise in shares is the price. Large books are listed to their largest positions. These are 95 tracked managers, not the institutional market.

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