DXCM Institutional Ownership
Who owns Dexcom Inc and what the big funds did with it last quarter, from every SEC 13F filing. 991 funds reported holding DXCM at Jun 30, 2026, together owning 130.4% of the company.
- ●515 buying vs 450 selling
- ▲Held by funds +2.0 pts
- ●Funds holding +8
- ▲Superinvestors: 3 added, 2 cut
- ▲Put/call 0.39 to 0.37
What the filings show, not a forecast. Positions can be up to 45 days old and leave out short sales.
Funds holding and ownership
8 quartersQuarter over quarter
all 13F filers| Q2 2026 | This quarter | Q1 2026 | Change |
|---|---|---|---|
| Funds holding | 991 | 983 | +0.8% |
| In funds' top 10 | 6 | 5 | +20.0% |
| 13F shares | 487M | 479M | +1.6% |
| Held by funds | 130.4% | 128.4% | +2.0 pts |
| New positions | 116 | 136 | −14.7% |
| Increased | 399 | 373 | +7.0% |
| Reduced | 344 | 330 | +4.2% |
| Sold out | 106 | 102 | +3.9% |
| Calls (shares) | 2M | 1.8M | +9.2% |
| Puts (shares) | 755K | 714K | +5.8% |
| Put/call ratio | 0.37 | 0.39 | −5.1% |
Buyers vs sellers
adding or new vs cutting or sold outSuperinvestors in DXCM
All superinvestors →
Who owns DXCM
share of fund held shares- Index and passive funds30.1%
- Active managers and hedge funds49.0%
- Banks and brokers16.1%
- Pensions, insurers and other4.8%
The top 10 holders own 48.5% of all DXCM shares that funds reported. Groups are our own grouping of filers by name.
Put/call ratio
funds' options, market makers left outAbove 1 means funds hold more puts than calls, a sign of hedging or bets on a fall. Options are valued at the underlying shares.
Filed so far for Q3 2026
350 funds changed their position- Assenagon Asset Management S.A.Trimmed−1.1M sh
- Fisher Funds Management LTDTrimmed−536K sh
- Smith Group Asset Management, LLCTrimmed−268K sh
- Principal Financial Group IncTrimmed−221K sh
- Fideuram Asset Management (Ireland) dacAdded+163K sh
🔒 Free account: see all 20.
Top holders
Q2 2026| # | Fund | Of company | Shares | Value | Change |
|---|---|---|---|---|---|
| 1 | Tudor Investment Corp ET AL | 18.54% | 69.2M | $64.7M | 0 |
| 2 | BlackRock, Inc. | 10.25% | 38.2M | $2.6B | −720K |
| 3 | Vanguard Capital Management LLC | 6.76% | 25.2M | $1.7B | +189K |
| 4 | Vanguard Portfolio Management LLC | 5.27% | 19.7M | $1.3B | +437K |
| 5 | State Street Corp | 4.93% | 18.4M | $1.2B | +446K |
| 6 | Invesco Ltd. | 4.10% | 15.3M | $1B | +1.6M |
| 7 | Baillie Gifford & Co | 3.97% | 14.8M | $997M | −798K |
| 8 | Geode Capital Management, LLC | 3.33% | 12.4M | $834M | +80K |
| 9 | Alliancebernstein L.P. | 3.14% | 11.7M | $734M | −1.2M |
| 10 | UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AME | 3.02% | 11.3M | $758M | +1.5M |
- Norges Bank+6.9M sh+$463M
- Arrowstreet Capital, Limited Partnership+4.3M sh+$292M
- Castle Hook Partners LP+3.1M sh+$207M
- UBS Group AG+1.7M sh+$116M
- Massachusetts Financial Services Co /ma/+1.6M sh+$110M
- Invesco Ltd.+1.6M sh+$109M
- UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AME+1.5M sh+$102M
- Pacer Advisors, Inc.+1.5M sh+$98.3M
- Jpmorgan Chase & Co−2.7M sh−$187M
- Toronto Dominion Bank−1.3M sh−$87.1M
- Capital World Investors−1.4M sh−$86.9M
- SG Americas Securities, LLC−1.2M sh−$83.9M
- Millennium Management LLC−1.2M sh−$82.6M
- Alliancebernstein L.P.−1.2M sh−$77.3M
- Squarepoint Ops LLC−1.1M sh−$76.5M
- Two Sigma Investments, LP−1.1M sh−$71.9M
DXCM institutional ownership FAQ
Who owns the most DXCM stock?
In Q2 2026 13F filings the largest holder of DXCM was Tudor Investment Corp ET AL, followed by BlackRock, Inc. and Vanguard Capital Management LLC. Index fund managers are usually the biggest holders of large companies.
What percentage of DXCM is owned by institutions?
Funds that file 13F reports held 130.4% of DXCM's shares at Jun 30, 2026, compared with 128.4% a quarter earlier. That counts every manager with more than $100 million in US stocks.
Are hedge funds buying DXCM?
In Q2 2026, 515 funds bought DXCM (116 of them new positions) and 450 sold (106 sold out completely). Among well known investors, 3 added and 2 cut. Our fund sentiment for DXCM is bullish.
What is DXCM's institutional put/call ratio?
Funds reported $50.1M of DXCM puts against $134M of calls, a put/call ratio of 0.37 (0.39 the quarter before). Market makers and bank trading desks are left out, since their options are mostly hedges.
How current is this DXCM ownership data?
13F filings show holdings at the end of each quarter and are due within 45 days, so positions can be up to six weeks old when they appear. We add each new filing within minutes, and the "filed so far" list shows funds that have already reported the next quarter.
For informational and educational purposes only. Not investment advice, and not a recommendation to buy or sell any security. Fund sentiment summarises what 13F filings show and is not a forecast. Holdings come from SEC Form 13F filings as reported and show positions at the end of the quarter, up to 45 days before the filing. A 13F leaves out short positions, cash, bonds and most foreign holdings. See all hedge fund holdings.