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MCK · CI 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.

MCKCI
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.
  • MCK
  • CI
010203040202120222023202420252026
Holders and value by quarter
QuarterMCKCI
Q3 202023 holders, $3.4bn34 holders, $18.1bn
Q4 202021 holders, $3.2bn22 holders, $21.9bn
Q1 202118 holders, $3.7bn24 holders, $23.9bn
Q2 202120 holders, $3.9bn31 holders, $22.5bn
Q3 202116 holders, $3.6bn30 holders, $17.8bn
Q4 202121 holders, $4.6bn26 holders, $20.1bn
Q1 202218 holders, $6.4bn28 holders, $20.4bn
Q2 202222 holders, $7.5bn32 holders, $22.1bn
Q3 202222 holders, $8.1bn31 holders, $21.5bn
Q4 202225 holders, $8.8bn30 holders, $24.7bn
Q1 202327 holders, $9.1bn35 holders, $18.2bn
Q2 202331 holders, $9.4bn30 holders, $19.8bn
Q3 202327 holders, $9.3bn28 holders, $19.8bn
Q4 202331 holders, $9.7bn31 holders, $20.6bn
Q1 202431 holders, $10.0bn28 holders, $24.0bn
Q2 202428 holders, $10.3bn28 holders, $19.5bn
Q3 202424 holders, $7.6bn25 holders, $20.2bn
Q4 202430 holders, $9.5bn23 holders, $15.2bn
Q1 202528 holders, $10.7bn24 holders, $18.4bn
Q2 202524 holders, $12.0bn34 holders, $19.5bn
Q3 202524 holders, $12.8bn28 holders, $16.2bn
Q4 202523 holders, $13.4bn21 holders, $14.6bn
Q1 202621 holders, $13.7bn26 holders, $13.5bn
Q2 202625 holders, $10.8bn28 holders, $13.0bn
MCK

Mckesson Corp

Holders
28
Reported value
$10.3bn
Buyers
14
Sellers
15

Breadth -1 among 94 comparable managers.

Health care services and research
CI

The Cigna Group

Holders
28
Reported value
$19.5bn
Buyers
15
Sellers
15

Breadth 0 among 94 comparable managers.

Health care services and researchManaged care

Who holds both, Q2 2024

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 MCK (7)

Holocene Advisors LP, Janus Henderson Group Ltd, Lone Pine Capital LLC, Quantbot Technologies LP, Two Sigma Advisers LP, Viking Global Investors LP, Wellington Management Group LLP

Only CI (7)

Artisan Partners LP, Capital World Investors, Dodge & Cox, ExodusPoint Capital Management LP, GAMCO Investors Inc, Maverick Capital Ltd, Renaissance Technologies 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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