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MD · 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.

MDCI
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.
  • MD
  • CI
010203040202120222023202420252026
Holders and value by quarter
QuarterMDCI
Q3 20204 holders, $154m34 holders, $18.1bn
Q4 20207 holders, $380m22 holders, $21.9bn
Q1 20215 holders, $397m24 holders, $23.9bn
Q2 20218 holders, $502m31 holders, $22.5bn
Q3 20215 holders, $360m30 holders, $17.8bn
Q4 20214 holders, $364m26 holders, $20.1bn
Q1 20222 holders, $311m28 holders, $20.4bn
Q2 20223 holders, $282m32 holders, $22.1bn
Q3 20223 holders, $206m31 holders, $21.5bn
Q4 20223 holders, $178m30 holders, $24.7bn
Q1 20233 holders, $123m35 holders, $18.2bn
Q2 20233 holders, $125m30 holders, $19.8bn
Q3 20232 holders, $98m28 holders, $19.8bn
Q4 20232 holders, $74m31 holders, $20.6bn
Q1 20242 holders, $82m28 holders, $24.0bn
Q2 20241 holders, $985k28 holders, $19.5bn
Q3 20242 holders, $95m25 holders, $20.2bn
Q4 20242 holders, $98m23 holders, $15.2bn
Q1 20252 holders, $101m24 holders, $18.4bn
Q2 20251 holders, $1.1m34 holders, $19.5bn
Q3 20253 holders, $4.8m28 holders, $16.2bn
Q4 20253 holders, $31m21 holders, $14.6bn
Q1 20261 holders, $33m26 holders, $13.5bn
Q2 20262 holders, $34m28 holders, $13.0bn
MD

Mednax Inc

Holders
3
Reported value
$31m
Buyers
9
Sellers
14

Breadth -5 among 92 comparable managers.

Health care services and research
CI

The Cigna Group

Holders
21
Reported value
$14.6bn
Buyers
20
Sellers
23

Breadth -3 among 92 comparable managers.

Health care services and researchManaged care

Who holds both, Q4 2025

Among the 24 tracked managers listing any of them. "Only" is about listed positions: a manager may hold the other below its listed range.

Both (0)

No tracked manager lists every one of them.

Only MD (3)

Caxton Associates LLP, Renaissance Technologies LLC, Winton Group Ltd

Only CI (21)

Acadian Asset Management LLC, AQR Capital Management LLC, Arrowstreet Capital LP, Bridgewater Associates LP, Capital Research Global Investors, Capital World Investors, Dodge & Cox, ExodusPoint Capital Management LP, Fidelity (FMR LLC), GAMCO Investors Inc, Glenview Capital Management LLC, Greenlight Capital, Invesco Ltd, Man Group PLC, MFS Investment Management, Moore Capital Management LP, Neuberger Berman Group LLC, Quantbot Technologies LP, Squarepoint Ops LLC, T. Rowe Price Associates Inc, Two Sigma Advisers LP

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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