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ATRC · 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.

ATRCVRTX
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.
  • ATRC
  • VRTX
010203040202120222023202420252026
Holders and value by quarter
QuarterATRCVRTX
Q3 20203 holders, $30m31 holders, $21.9bn
Q4 20204 holders, $73m30 holders, $18.4bn
Q1 20215 holders, $254m31 holders, $15.4bn
Q2 20214 holders, $278m30 holders, $12.7bn
Q3 20214 holders, $273m35 holders, $10.1bn
Q4 20213 holders, $254m28 holders, $12.4bn
Q1 20223 holders, $268m23 holders, $16.1bn
Q2 20222 holders, $165m25 holders, $18.1bn
Q3 20223 holders, $162m22 holders, $18.4bn
Q4 20222 holders, $159m28 holders, $18.4bn
Q1 20233 holders, $155m26 holders, $21.4bn
Q2 20234 holders, $211m27 holders, $24.7bn
Q3 20234 holders, $201m33 holders, $24.3bn
Q4 20233 holders, $125m32 holders, $28.6bn
Q1 20242 holders, $140m31 holders, $29.8bn
Q2 20242 holders, $109m29 holders, $33.4bn
Q3 20244 holders, $151m27 holders, $33.5bn
Q4 20244 holders, $157m26 holders, $28.5bn
Q1 202510 holders, $284m21 holders, $35.4bn
Q2 20256 holders, $335m21 holders, $32.3bn
Q3 20254 holders, $290m22 holders, $25.9bn
Q4 20256 holders, $381m26 holders, $31.8bn
Q1 20263 holders, $178m25 holders, $31.8bn
Q2 20263 holders, $125m26 holders, $34.6bn
ATRC

Atricure Inc

Holders
6
Reported value
$381m
Buyers
13
Sellers
14

Breadth -1 among 92 comparable managers.

Medical devices and instrumentsHealthcare: biopharma and medtech · L3VLUPSurgical, medical and electromedical devices
VRTX

Vertex Pharmaceuticals Inc

Holders
26
Reported value
$31.8bn
Buyers
19
Sellers
20

Breadth -1 among 92 comparable managers.

Pharmaceuticals and biotechnologyHealthcare: biopharma and medtech · L3VLUPPharmaceutical preparations

Who holds both, Q4 2025

Among the 28 tracked managers listing any of them. "Only" is about listed positions: a manager may hold the other below its listed range.

Only ATRC (2)

First Eagle Investment Management LLC, PDT Partners LLC

Only VRTX (22)

Acadian Asset Management LLC, ARK Investment Management LLC, Arrowstreet Capital LP, Baillie Gifford & Co, Balyasny Asset Management LLC, Bridgewater Associates LP, Capital Research Global Investors, Capital World Investors, Citadel Advisors LLC, Fidelity (FMR LLC), Hudson Bay Capital Management LP, Invesco Ltd, Janus Henderson Group Ltd, Man Group PLC, MFS Investment Management, Millennium Management LLC, Renaissance Technologies LLC, Squarepoint Ops LLC, T. Rowe Price Associates Inc, Two Sigma Advisers LP, Winton Group Ltd, Woodline Partners 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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