| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| VANGUARD GROUP INC | 13% | $3,327,865,844 | 49,455,578 | The Vanguard Group | 30 Sep 2025 | |||
| BlackRock, Inc. | 8.3% | $2,149,823,820 | 32,504,140 | BlackRock, Inc. | 31 Mar 2025 |
As of 30 Sep 2025, 891 institutional investors reported holding 362,126,628 shares of DEXCOM INC - Common Stock (DXCM). This represents 92% of the company’s total 392,193,323 outstanding shares.
The largest institutional shareholders of DEXCOM INC - Common Stock (DXCM) together control 58% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| VANGUARD GROUP INC | 13% | 49,456,043 | +2.3% | 0.05% | $3,327,897,134 |
| BlackRock, Inc. | 9.9% | 38,821,843 | -0.54% | 0.05% | $2,612,321,824 |
| STATE STREET CORP | 4.3% | 16,855,113 | -0.02% | 0.04% | $1,134,180,554 |
| BAILLIE GIFFORD & CO | 4% | 15,882,168 | -4.9% | 0.79% | $1,068,711,084 |
| GEODE CAPITAL MANAGEMENT, LLC | 2.8% | 10,963,772 | +1.8% | 0.05% | $734,939,750 |
| JENNISON ASSOCIATES LLC | 2.6% | 10,090,374 | -12% | 0.4% | $678,981,248 |
| UBS AM, A DISTINCT BUSINESS UNIT OF UBS ASSET MANAGEMENT AMERICAS LLC | 1.9% | 7,482,531 | -18% | 0.11% | $503,499,511 |
| CITADEL ADVISORS LLC | 1.7% | 6,778,490 | +395% | 0.37% | $456,124,592 |
| Nuveen, LLC | 1.6% | 6,343,476 | -16% | 0.11% | $426,852,500 |
| JPMORGAN CHASE & CO | 1.6% | 6,213,757 | +0.96% | 0.03% | $418,129,579 |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | 1.4% | 5,608,475 | -15% | 0.12% | $377,394,282 |
| Amundi | 1.3% | 5,019,475 | +15% | 0.11% | $333,092,362 |
| SANDS CAPITAL MANAGEMENT, LLC | 1.3% | 4,934,189 | -50% | 0.92% | $332,021,578 |
| Invesco Ltd. | 1.2% | 4,629,139 | -6.7% | 0.05% | $311,494,770 |
| MORGAN STANLEY | 1.1% | 4,352,808 | -22% | 0.02% | $292,900,603 |
| BANK OF AMERICA CORP /DE/ | 1.1% | 4,327,022 | +44% | 0.02% | $291,165,303 |
| NORTHERN TRUST CORP | 0.95% | 3,721,544 | -3% | 0.03% | $250,422,696 |
| MILLENNIUM MANAGEMENT LLC | 0.87% | 3,431,265 | +1265% | 0.18% | $230,889,822 |
| FEDERATED HERMES, INC. | 0.87% | 3,420,262 | -5.9% | 0.41% | $230,149,430 |
| RAYMOND JAMES FINANCIAL INC | 0.85% | 3,341,620 | -1.1% | 0.07% | $224,857,528 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 0.81% | 3,183,133 | +3.6% | 0.03% | $214,193,020 |
| ROYAL BANK OF CANADA | 0.81% | 3,162,653 | +53% | 0.04% | $212,814,000 |
| Bank of New York Mellon Corp | 0.76% | 2,961,378 | -23% | 0.04% | $199,271,134 |
| UBS Group AG | 0.75% | 2,956,122 | +53% | 0.04% | $198,917,449 |
| CIBC Private Wealth Group LLC | 0.74% | 2,907,801 | +374% | 0.33% | $195,665,945 |
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2025 Q4 | 6,102,907 | $406,538,214 | -$296,732,654 | $66.37 | 123 |
| 2025 Q3 | 362,126,628 | $24,355,702,385 | -$451,160,988 | $67.29 | 891 |
| 2025 Q2 | 363,717,079 | $31,720,153,850 | +$620,498,108 | $87.29 | 929 |
| 2025 Q1 | 357,110,056 | $24,339,766,878 | -$21,479,575 | $68.29 | 915 |
| 2024 Q4 | 356,215,615 | $27,717,434,391 | +$103,942,621 | $77.77 | 929 |
| 2024 Q3 | 351,904,527 | $23,605,280,414 | -$2,155,053,175 | $67.04 | 868 |
| 2024 Q2 | 373,205,160 | $42,300,413,689 | +$1,258,502,218 | $113.38 | 973 |
| 2024 Q1 | 362,237,874 | $50,200,969,956 | -$1,529,023,222 | $138.70 | 1,023 |
| 2023 Q4 | 5,377,864 | $667,341,339 | -$45,998,689 | $124.09 | 16 |
| 2023 Q3 | 363,026,657 | $33,828,010,257 | -$300,186,689 | $93.30 | 867 |
| 2023 Q2 | 362,788,911 | $46,558,238,179 | -$632,993,595 | $128.51 | 914 |
| 2023 Q1 | 357,052,683 | $41,463,457,034 | +$42,840,567 | $116.18 | 869 |
| 2022 Q4 | 363,578,538 | $41,155,643,153 | +$315,698,053 | $113.24 | 881 |
| 2022 Q3 | 362,944,198 | $29,256,676,812 | -$228,582,348 | $80.54 | 740 |
| 2022 Q2 | 355,354,112 | $26,472,482,361 | +$19,213,231,787 | $74.53 | 754 |
| 2022 Q1 | 90,497,309 | $46,180,794,286 | +$1,306,081,879 | $511.60 | 823 |
| 2021 Q4 | 90,923,110 | $48,786,304,670 | -$886,808,941 | $536.95 | 892 |
| 2021 Q3 | 93,463,822 | $51,106,133,330 | -$506,655,051 | $546.86 | 776 |
| 2021 Q2 | 94,679,672 | $40,429,770,611 | +$1,502,438,389 | $427.00 | 712 |
| 2021 Q1 | 92,008,668 | $33,067,569,465 | +$501,939,432 | $359.39 | 709 |
| 2020 Q4 | 90,763,036 | $33,549,679,516 | -$492,209,750 | $369.72 | 704 |
| 2020 Q3 | 91,845,593 | $37,806,803,282 | -$149,496,267 | $412.23 | 709 |
| 2020 Q2 | 92,105,914 | $37,336,753,799 | +$424,092,906 | $405.40 | 703 |
| 2020 Q1 | 91,095,334 | $24,527,398,147 | +$160,572,259 | $269.27 | 564 |
| 2019 Q4 | 90,965,636 | $19,892,585,909 | +$32,476,851 | $218.74 | 493 |
| 2019 Q3 | 90,934,062 | $13,568,122,259 | +$328,197,655 | $149.24 | 411 |
| 2019 Q2 | 88,720,023 | $13,272,904,835 | +$486,720,256 | $149.84 | 408 |
| 2019 Q1 | 88,416,892 | $10,528,115,877 | +$38,645,897 | $119.10 | 443 |
| 2018 Q4 | 88,048,843 | $10,547,915,214 | -$47,478,773 | $119.80 | 405 |
| 2018 Q3 | 88,759,680 | $12,695,605,695 | -$610,885,752 | $143.04 | 358 |
| 2018 Q2 | 93,215,683 | $8,853,440,750 | -$880,159,071 | $94.98 | 278 |
| 2018 Q1 | 103,333,690 | $7,663,278,699 | +$6,258,858 | $74.16 | 264 |
| 2017 Q4 | 101,975,466 | $5,852,256,953 | +$106,375,154 | $57.39 | 261 |
| 2017 Q3 | 100,351,744 | $4,901,128,000 | +$262,946,257 | $48.92 | 264 |
| 2017 Q2 | 97,681,801 | $7,143,264,060 | +$675,098,757 | $73.15 | 304 |
| 2017 Q1 | 91,799,050 | $7,773,528,758 | +$249,712,505 | $84.73 | 307 |
| 2016 Q4 | 93,201,927 | $5,564,683,280 | +$198,699,871 | $59.70 | 297 |
| 2016 Q3 | 89,386,191 | $7,833,460,412 | +$506,132,210 | $87.66 | 279 |
| 2016 Q2 | 83,931,403 | $6,657,170,084 | +$465,591,157 | $79.33 | 263 |
| 2016 Q1 | 78,342,163 | $5,319,909,492 | +$435,451,448 | $67.91 | 256 |
| 2015 Q4 | 72,476,230 | $5,935,821,650 | +$153,623,110 | $81.90 | 278 |
| 2015 Q3 | 73,610,239 | $6,319,993,982 | +$36,338,498 | $85.86 | 274 |
| 2015 Q2 | 73,261,384 | $5,859,490,438 | +$124,443,359 | $79.98 | 253 |
| 2015 Q1 | 72,843,288 | $4,540,967,355 | +$22,312,075 | $62.34 | 242 |
| 2014 Q4 | 72,298,553 | $3,981,663,352 | -$117,592,353 | $55.05 | 226 |
| 2014 Q3 | 74,196,817 | $2,967,495,226 | +$83,297,588 | $39.99 | 198 |
| 2014 Q2 | 72,076,538 | $2,857,943,986 | +$96,099,856 | $39.66 | 187 |
| 2014 Q1 | 69,248,028 | $2,863,171,240 | +$10,822,195 | $41.36 | 208 |