Free · no sign-up · Q2 2026

Which funds own DXCM

Dexcom Inc in the Q2 2026 filings. At least 9 of the 91 current managers on file reported a position, worth $3.5bn between them. It is among the largest positions of fewer than a fifth of the current managers on file. Buying and selling roughly cancelled this quarter, which is what a name looks like when the argument is still live.

Managers holding: 9; at least, of 91 current
Combined value: $3.5bn; as reported
Opened: 0; new this quarter
Added to: 7; already held
Trimmed or sold out: 5; 3 sold out entirely

Only each manager’s largest 200 positions are listed here, so a smaller holder may be missing.

Managers reporting a position

Largest first. Weight is the share of that manager’s whole reported book, which is the number worth quoting: $400m is a rounding error in one book and a defining bet in another.

Manager	Value	Weight	Shares	Change on the quarter	Action
Invesco Ltd Long-only · $1264bn book	$1.0bn	0.1%	15,288,133	+$171m+1,615,819	Added
Baillie Gifford & Co Long-only · $110bn book	$997m	0.9%	14,801,590	+$17m-797,935	Trimmed
AllianceBernstein LP Long-only · $302bn book	$734m	0.2%	11,693,409	-$123m-1,230,235	Trimmed
Arrowstreet Capital LP Quantitative · $225bn book	$463m	0.2%	6,873,273	+$303m+4,328,170	Added
Renaissance Technologies LLC Quantitative · $72.6bn book	$110m	0.2%	1,630,796	+$10m+47,800	Added
Soros Fund Management LLC Macro · $8.1bn book	$64m	0.8%	67,977,000	+$5.4m+5,000,000	Added
Oaktree Capital Management LP Activist · $7.2bn book	$57m	0.8%	61,148,000	+$20m+20,725,000	Added
Bridgewater Associates LP Macro · $24.4bn book	$27m	0.1%	400,929	+$18m+261,242	Added
Winton Group Ltd Quantitative · $3.1bn book	$9.2m	0.3%	136,493	+$6.6m+94,631	Added

Sold out of this quarter

Valued at what the position was worth in the previous filing, because by this one it is gone.

Capital World Investors · Long-only$87m held before
Balyasny Asset Management LLC · Multi-strategy$36m held before
First Eagle Investment Management LLC · Activist$0 held before

Ownership through time

At least 17 of the 95 managers whose filings are on file listed DXCM in Q2 2026, against 4 in Q2 2013. 8 managers fewer than in Q1 2026: 1 listed it again; 2 sold out, by their own filings; 7 no longer listed it among the positions read, which can mean a holding below the listed range or a filing not yet made.

Each manager’s largest 500 positions a quarter are read, so a small holding in a very large book can be missing, and a manager is counted as leaving only where its own filing shows it.

Managers on file listing it

Their combined reported value

Between the quarter ends of Q1 2026 and Q2 2026. Each change in shares is valued at the Q2 2026 price, so the price’s own move is left out; a 13F shows the two quarter ends, not when in between anything was bought or sold.

Started in Q2 2026

No manager on file started a position.

Largest increases, by shares

Arrowstreet Capital LP2,545,103 to 6,873,273 shares+$292m
MFS Investment Management1,934,452 to 3,560,621 shares+$110m
Invesco Ltd13,672,314 to 15,288,133 shares+$109m
AQR Capital Management LLC2,173,497 to 3,237,720 shares+$72m
Bridgewater Associates LP139,687 to 400,929 shares+$18m

Largest decreases, by shares

Janus Henderson Group Ltd2,644,539 to 1,138,783 shares-$101m
AllianceBernstein LP12,923,644 to 11,693,409 shares-$77m
Wellington Management Group LLP9,326,240 to 8,527,471 shares-$54m
Baillie Gifford & Co15,599,525 to 14,801,590 shares-$54m
ExodusPoint Capital Management LP317,067 to 116,548 shares-$14m

Left it

Capital World Investorswas $87m
First Eagle Investment Management LLCwas $4k

Manager	First listed	Largest	Q2 2026
Invesco Ltd	Q2 2015	$1.0bn	$1.0bn
Baillie Gifford & Co	Q2 2013	$2.9bn	$997m
AllianceBernstein LP	Q1 2015	$858m	$734m
Wellington Management Group LLP	Q3 2013	$729m	$574m
Arrowstreet Capital LP	Q1 2020	$463m	$463m
MFS Investment Management	Q3 2013	$577m	$241m
AQR Capital Management LLC	Q4 2018	$218m	$218m
Renaissance Technologies LLC	Q4 2013	$480m	$110m
Janus Henderson Group Ltd	Q2 2017	$1.4bn	$77m
Woodline Partners LP	Q4 2019	$63m	$36m
Marshall Wace LLP	Q4 2014	$343m	$36m
Bridgewater Associates LP	Q3 2020	$74m	$27m
Man Group PLC	Q3 2018	$142m	$27m
Schonfeld Strategic Advisors LLC	Q4 2016	$28m	$20m
Winton Group Ltd	Q1 2020	$11m	$9.2m
Fidelity (FMR LLC)	Q2 2015	$3.5bn	last listed Q2 2024
Capital Research Global Investors	Q3 2018	$1.9bn	last listed Q3 2025
T. Rowe Price Associates Inc	Q3 2014	$1.4bn	last listed Q2 2025
Capital World Investors	Q2 2016	$1.2bn	last listed Q1 2026
Artisan Partners LP	Q2 2013	$970m	last listed Q2 2025
Lone Pine Capital LLC	Q4 2019	$853m	last listed Q3 2021
Citadel Advisors LLC	Q3 2018	$469m	last listed Q3 2025
Millennium Management LLC	Q2 2013	$441m	last listed Q1 2026
D. E. Shaw & Co.	Q3 2018	$275m	last listed Q4 2025
Neuberger Berman Group LLC	Q1 2018	$262m	last listed Q1 2026

What DXCM is worth

Knowing who owns it is half the question. The other half is what it is worth against the companies it trades beside, which is the one an interviewer will follow up with.

Build the comp set around DXCM →

How much of the picture this is

A Form 13F reports US-listed long equity and nothing else: no shorts, no bonds, no cash and no non-US listings. It arrives forty-five days after the quarter ends, so a manager who sold in July still shows the position in a filing published in August. This page reads the managers on file here rather than every filer in the market, and each manager’s largest positions rather than the whole table, so a small position in a very large book may not appear. Say “their last filing showed” rather than “they own”, and the distinction will do you credit.

What to do with a name the funds are buying

Knowing who owns something is the start of a pitch, not the pitch. The next questions are what it is worth and why they were buying.

Comps ExplorerValue it against the peers it trades beside Every managerRead any of these books in full Deal tapeWhat buyers paid for whole companies, not slices Hedge fund interviewsHow the room runs, and the stock pitch it wants

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