Who owns DXCM?
Institutional ownership of DexCom Inc. from Form 13F, Q2 2026
971 institutional managers reported holding DexCom Inc. (DXCM) in Form 13F filings for Q2 2026, with 386,702,615 shares worth $26.0B. The largest reported holder was BlackRock, Inc. Managers that filed both quarters added a net 24,018,898 shares (+6.7%). 115 opened new positions and 98 sold out.
- Funds holding
- 971
- Value held
- $26.0B
- New / sold out
- 115 / 98
- Net shares, same filers
- +6.7%
Holdings as of June 30, 2026, the end of Q2 2026. Managers have 45 days after a quarter ends to file Form 13F (by August 14, 2026 for Q2 2026), so positions may have changed since.
Largest holders of DXCM
| Fund | Value | Share of 13F holdings | Shares | Move |
|---|---|---|---|---|
| BlackRock, Inc. | $2.6B | 9.9% | 38,244,137 | Trimmed |
| Vanguard Capital Management LLC | $1.7B | 6.5% | 25,209,752 | Added |
| Vanguard Portfolio Management LLC | $1.3B | 5.1% | 19,656,540 | Added |
| State Street Corp | $1.2B | 4.8% | 18,380,806 | Added |
| Invesco Ltd. | $1.0B | 4.0% | 15,288,133 | Added |
| Baillie Gifford & Co | $997M | 3.8% | 14,801,590 | Trimmed |
| Geode Capital Management, LLC | $834M | 3.2% | 12,426,515 | Added |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | $758M | 2.9% | 11,261,876 | Added |
| Alliancebernstein L.p. | $734M | 3.0% | 11,693,409 | Trimmed |
| Wellington Management Group LLP | $574M | 2.2% | 8,527,471 | Trimmed |
| Arrowstreet Capital, Limited Partnership | $463M | 1.8% | 6,873,273 | Added |
| Norges Bank | $463M | 1.8% | 6,868,090 | New |
| UBS Group AG | $409M | 1.6% | 6,065,779 | Added |
| Amundi | $377M | 1.4% | 5,603,490 | Trimmed |
| Morgan Stanley | $347M | 1.3% | 5,156,282 | Added |
| Ameriprise Financial Inc | $325M | 1.2% | 4,820,775 | Added |
| Castle Hook Partners LP | $261M | 1.0% | 3,870,342 | Added |
| Goldman Sachs Group Inc | $253M | 1.0% | 3,758,616 | Added |
| Franklin Resources Inc | $242M | 0.9% | 3,595,893 | Added |
| Massachusetts Financial Services Co | $241M | 0.9% | 3,560,621 | Added |
| CIBC Bancorp USA Inc. | $233M | 0.9% | 3,454,735 | Trimmed |
| JPMorgan Chase & Co | $233M | 0.9% | 3,325,095 | Trimmed |
| Charles Schwab Investment Management Inc | $232M | 0.9% | 3,439,164 | Added |
| Northern Trust Corp | $222M | 0.9% | 3,295,144 | Trimmed |
| AQR Capital Management LLC | $218M | 0.8% | 3,237,720 | Added |
Share of 13F holdings is each fund's shares as a share of the 386,702,615 DXCM shares all 13F filers reported, not of shares outstanding.
Biggest buyers in Q2 2026
- Invesco Ltd. Added+$653M
- Norges Bank New+$463M
- Arrowstreet Capital, Limited Partnership Added+$292M
- Castle Hook Partners LP Added+$207M
- UBS Group AG Added+$116M
- Massachusetts Financial Services Co Added+$110M
- UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC Added+$102M
- Pacer Advisors, Inc. New+$101M
- Nomura Holdings Inc Added+$95.9M
- Nearwater Capital Markets, Ltd New+$84.2M
Biggest sellers in Q2 2026
- JPMorgan Chase & Co Trimmed-$187M
- Toronto Dominion Bank Trimmed-$87.1M
- Capital World Investors Sold out-$86.9M
- SG Americas Securities, LLC Trimmed-$83.9M
- Millennium Management LLC Trimmed-$82.6M
- Alliancebernstein L.p. Trimmed-$77.3M
- Squarepoint Ops LLC Trimmed-$76.5M
- Two Sigma Investments, LP Trimmed-$71.9M
- Mackenzie Financial Corp Trimmed-$67.8M
- Neuberger Berman Group LLC Trimmed-$66.9M
The change in shares since the quarter before, adjusted for stock splits and priced at the Q2 2026 value per share. Funds bought $3.9B and sold $2.2B; 385 added and 338 trimmed.
Schedule 13D and 13G filings on DXCM
Owners of more than 5% must file within days, so these can be newer than the 13F data.
- 2026-11-10STATE STREET CORP SCHEDULE 13G filed by DexCom Inc.Schedule 13G
Questions about DXCM ownership
- Who owns DXCM stock?
- 971 institutional investment managers reported DXCM positions in their Form 13F filings for Q2 2026, holding 386,702,615 shares worth $26.0B in total. BlackRock, Inc. reported the largest position.
- Are funds buying or selling DXCM?
- In Q2 2026, 115 managers opened new DXCM positions, 385 added, 338 trimmed and 98 sold out. Managers that filed in both quarters added a net 24,018,898 shares.
- How current is this DXCM institutional ownership data?
- It covers holdings as of the end of Q2 2026. Managers have 45 days after the quarter ends to file Form 13F (by August 14, 2026 for Q2 2026), so positions may have changed since.
From the SEC's Form 13F data sets for Q2 2026: every 13F holdings report, matched to DXCM by CUSIP. Options are left out. DXCM news and filings · DXCM insider trades · Top funds