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CALX · TMUS 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.

CALXTMUS
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.
  • CALX
  • TMUS
0204060202120222023202420252026
Holders and value by quarter
QuarterCALXTMUS
Q3 20204 holders, $94m39 holders, $17.6bn
Q4 20204 holders, $147m37 holders, $19.6bn
Q1 20216 holders, $221m39 holders, $17.7bn
Q2 20215 holders, $263m32 holders, $21.2bn
Q3 20217 holders, $265m37 holders, $18.5bn
Q4 20215 holders, $647m37 holders, $15.7bn
Q1 20226 holders, $238m36 holders, $16.9bn
Q2 20224 holders, $167m42 holders, $18.3bn
Q3 20226 holders, $229m40 holders, $16.7bn
Q4 20227 holders, $258m38 holders, $15.5bn
Q1 202310 holders, $298m38 holders, $17.7bn
Q2 20239 holders, $232m39 holders, $18.1bn
Q3 20238 holders, $198m41 holders, $17.4bn
Q4 20237 holders, $292m34 holders, $17.1bn
Q1 20248 holders, $230m29 holders, $16.7bn
Q2 20247 holders, $276m30 holders, $17.8bn
Q3 20245 holders, $252m26 holders, $19.7bn
Q4 20245 holders, $120m29 holders, $18.8bn
Q1 20255 holders, $135m36 holders, $21.5bn
Q2 20254 holders, $196m35 holders, $21.1bn
Q3 20259 holders, $435m42 holders, $23.1bn
Q4 20258 holders, $246m32 holders, $26.7bn
Q1 20266 holders, $333m42 holders, $28.3bn
Q2 20263 holders, $207m36 holders, $19.4bn
CALX

Calix Inc

Holders
6
Reported value
$333m
Buyers
16
Sellers
18

Breadth -2 among 91 comparable managers.

Communications and media
TMUS

T-mobile US Inc

Holders
42
Reported value
$28.3bn
Buyers
27
Sellers
19

Breadth +8 among 91 comparable managers.

Communications and media

Who holds both, Q1 2026

Among the 42 tracked managers listing any of them. "Only" is about listed positions: a manager may hold the other below its listed range.

Only CALX (0)

None.

Only TMUS (36)

AQR Capital Management LLC, Arrowstreet Capital LP, Balyasny Asset Management LLC, Brevan Howard Capital Management LP, Bridgewater Associates LP, Capital Research Global Investors, Citadel Advisors LLC, D. E. Shaw & Co., Davidson Kempner Capital Management LP, Dodge & Cox, Element Capital Management LLC, ExodusPoint Capital Management LP, Fidelity (FMR LLC), GAMCO Investors Inc, Hudson Bay Capital Management LP, Invesco Ltd, Jane Street Group LLC, Janus Henderson Group Ltd, Man Group PLC, Marshall Wace LLP, Maverick Capital Ltd, MFS Investment Management, Moore Capital Management LP, Neuberger Berman Group LLC, PDT Partners LLC, and 11 more

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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