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ACGL · BAC 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.

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
  • BAC
0204060202120222023202420252026
Holders and value by quarter
QuarterACGLBAC
Q3 202014 holders, $2.2bn33 holders, $48.3bn
Q4 202010 holders, $2.5bn36 holders, $60.7bn
Q1 202114 holders, $2.9bn33 holders, $77.6bn
Q2 20218 holders, $2.7bn30 holders, $83.1bn
Q3 20217 holders, $2.6bn28 holders, $81.4bn
Q4 20217 holders, $3.0bn30 holders, $82.8bn
Q1 202210 holders, $3.2bn39 holders, $74.0bn
Q2 202210 holders, $3.4bn40 holders, $54.7bn
Q3 202211 holders, $3.8bn36 holders, $53.0bn
Q4 20229 holders, $4.7bn33 holders, $59.0bn
Q1 202310 holders, $4.0bn32 holders, $50.5bn
Q2 202310 holders, $4.1bn37 holders, $49.0bn
Q3 20239 holders, $4.1bn36 holders, $46.0bn
Q4 202314 holders, $3.6bn34 holders, $56.6bn
Q1 202416 holders, $4.0bn35 holders, $64.4bn
Q2 202411 holders, $4.3bn35 holders, $68.9bn
Q3 202412 holders, $4.4bn43 holders, $60.8bn
Q4 20249 holders, $3.5bn43 holders, $63.8bn
Q1 202513 holders, $3.5bn40 holders, $59.8bn
Q2 202513 holders, $3.4bn44 holders, $67.4bn
Q3 202514 holders, $3.4bn44 holders, $72.1bn
Q4 202512 holders, $3.3bn41 holders, $68.5bn
Q1 202611 holders, $3.3bn39 holders, $59.5bn
Q2 20268 holders, $3.2bn37 holders, $64.8bn
ACGL

Arch Cap Group LTD

Holders
14
Reported value
$3.4bn
Buyers
8
Sellers
6

Breadth +2 among 95 comparable managers.

BAC

Bank of Amer Corp

Holders
44
Reported value
$72.1bn
Buyers
22
Sellers
22

Breadth 0 among 95 comparable managers.

Who holds both, Q3 2025

Among the 47 tracked managers listing any of them. "Only" is about listed positions: a manager may hold the other below its listed range.

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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