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MDGL · VRTX 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.
  • MDGL
  • VRTX
010203040202120222023202420252026
Holders and value by quarter
QuarterMDGLVRTX
Q3 20203 holders, $311m31 holders, $21.9bn
Q4 20202 holders, $234m30 holders, $18.4bn
Q1 20214 holders, $281m31 holders, $15.4bn
Q2 20212 holders, $67m30 holders, $12.7bn
Q3 20211 holders, $18m35 holders, $10.1bn
Q4 20211 holders, $19m28 holders, $12.4bn
Q1 20221 holders, $22m23 holders, $16.1bn
Q2 20222 holders, $21m25 holders, $18.1bn
Q3 20222 holders, $14m22 holders, $18.4bn
Q4 20224 holders, $204m28 holders, $18.4bn
Q1 20239 holders, $384m26 holders, $21.4bn
Q2 20235 holders, $589m27 holders, $24.7bn
Q3 20236 holders, $579m33 holders, $24.3bn
Q4 20235 holders, $820m32 holders, $28.6bn
Q1 20248 holders, $1.1bn31 holders, $29.8bn
Q2 20247 holders, $1.1bn29 holders, $33.4bn
Q3 20246 holders, $788m27 holders, $33.5bn
Q4 20246 holders, $1.1bn26 holders, $28.5bn
Q1 20257 holders, $1.2bn21 holders, $35.4bn
Q2 20256 holders, $961m21 holders, $32.3bn
Q3 20259 holders, $1.3bn22 holders, $25.9bn
Q4 202512 holders, $1.8bn26 holders, $31.8bn
Q1 202610 holders, $2.2bn25 holders, $31.8bn
Q2 202611 holders, $2.3bn26 holders, $34.6bn
MDGL

Madrigal Pharmaceuticals Inc

Holders
10
Reported value
$2.2bn
Buyers
13
Sellers
15

Breadth -2 among 91 comparable managers.

VRTX

Vertex Pharmaceuticals Inc

Holders
25
Reported value
$31.8bn
Buyers
17
Sellers
21

Breadth -4 among 91 comparable managers.

Who holds both, Q1 2026

Among the 29 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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