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ACGL · 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.

ACGLAXP
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.
  • ACGL
  • AXP
010203040202120222023202420252026
Holders and value by quarter
QuarterACGLAXP
Q3 202014 holders, $2.2bn24 holders, $25.7bn
Q4 202010 holders, $2.5bn21 holders, $30.8bn
Q1 202114 holders, $2.9bn24 holders, $36.9bn
Q2 20218 holders, $2.7bn21 holders, $42.9bn
Q3 20217 holders, $2.6bn26 holders, $42.0bn
Q4 20217 holders, $3.0bn27 holders, $39.7bn
Q1 202210 holders, $3.2bn20 holders, $45.0bn
Q2 202210 holders, $3.4bn36 holders, $33.2bn
Q3 202211 holders, $3.8bn35 holders, $32.3bn
Q4 20229 holders, $4.7bn35 holders, $34.4bn
Q1 202310 holders, $4.0bn32 holders, $38.7bn
Q2 202310 holders, $4.1bn30 holders, $40.1bn
Q3 20239 holders, $4.1bn34 holders, $34.1bn
Q4 202314 holders, $3.6bn28 holders, $42.5bn
Q1 202416 holders, $4.0bn33 holders, $52.6bn
Q2 202411 holders, $4.3bn31 holders, $52.6bn
Q3 202412 holders, $4.4bn30 holders, $60.7bn
Q4 20249 holders, $3.5bn26 holders, $65.8bn
Q1 202513 holders, $3.5bn33 holders, $59.9bn
Q2 202513 holders, $3.4bn29 holders, $69.4bn
Q3 202514 holders, $3.4bn30 holders, $70.8bn
Q4 202512 holders, $3.3bn31 holders, $77.2bn
Q1 202611 holders, $3.3bn33 holders, $61.2bn
Q2 20268 holders, $3.2bn30 holders, $65.4bn
ACGL

Arch Cap Group LTD

Holders
14
Reported value
$3.6bn
Buyers
10
Sellers
4

Breadth +6 among 93 comparable managers.

InsuranceFinancial services · L3VLUP
AXP

American Express Co

Holders
28
Reported value
$42.5bn
Buyers
11
Sellers
16

Breadth -5 among 93 comparable managers.

Other financial servicesFinancial services · L3VLUP

Who holds both, Q4 2023

Among the 35 tracked managers listing any of them. "Only" is about listed positions: a manager may hold the other below its listed range.

Only ACGL (7)

Acadian Asset Management LLC, Bridgewater Associates LP, Capital World Investors, Egerton Capital UK LLP, ExodusPoint Capital Management LP, Quantbot Technologies LP, Winton Group Ltd

Only AXP (21)

AllianceBernstein LP, Arrowstreet Capital LP, Balyasny Asset Management LLC, Berkshire Hathaway Inc, Brevan Howard Capital Management LP, Caxton Associates LLP, D. E. Shaw & Co., Dodge & Cox, Fidelity (FMR LLC), First Eagle Investment Management LLC, GAMCO Investors Inc, Harris Associates LP, Holocene Advisors LP, Janus Henderson Group Ltd, Markel Group Inc, MFS Investment Management, Neuberger Berman Group LLC, Schonfeld Strategic Advisors LLC, Squarepoint Ops LLC, T. Rowe Price Associates Inc, Walleye Capital LLC

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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