| 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% | $2,317,545,182 | 32,504,140 | BlackRock, Inc. | 31 Mar 2025 |
As of 30 Sep 2025, 891 institutional investors reported holding 362,137,574 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 | 5,269,277 | $351,210,189 | +$23,184,436 | $66.37 | 113 |
| 2025 Q3 | 362,137,574 | $24,356,438,942 | -$451,007,815 | $67.29 | 891 |
| 2025 Q2 | 363,717,079 | $31,720,153,850 | +$620,498,372 | $87.29 | 929 |
| 2025 Q1 | 357,522,884 | $24,367,959,079 | -$21,830,100 | $68.29 | 918 |
| 2024 Q4 | 356,520,250 | $27,741,592,016 | -$279,743,784 | $77.77 | 940 |
| 2024 Q3 | 357,200,222 | $23,960,310,643 | -$1,530,910,004 | $67.04 | 871 |
| 2024 Q2 | 373,073,419 | $42,285,500,029 | +$662,526,670 | $113.38 | 980 |
| 2024 Q1 | 367,433,762 | $50,918,835,024 | -$893,108,760 | $138.70 | 1,023 |
| 2023 Q4 | 376,420,513 | $46,714,761,535 | +$1,256,458,516 | $124.09 | 963 |
| 2023 Q3 | 367,596,728 | $34,254,428,099 | -$325,172,905 | $93.30 | 890 |
| 2023 Q2 | 368,588,625 | $47,303,203,662 | -$86,323,559 | $128.51 | 940 |
| 2023 Q1 | 369,281,709 | $42,884,123,591 | +$52,677,258 | $116.18 | 891 |
| 2022 Q4 | 373,099,760 | $42,233,817,121 | +$225,153,200 | $113.24 | 901 |
| 2022 Q3 | 371,208,363 | $29,922,677,791 | -$111,395,992 | $80.54 | 760 |
| 2022 Q2 | 370,318,253 | $27,605,947,295 | +$20,054,274,905 | $74.53 | 772 |
| 2022 Q1 | 94,624,602 | $48,293,370,260 | +$1,138,375,535 | $511.60 | 843 |
| 2021 Q4 | 92,168,299 | $49,456,533,397 | -$1,108,963,197 | $536.95 | 906 |
| 2021 Q3 | 93,700,793 | $51,237,135,830 | -$502,542,871 | $546.86 | 784 |
| 2021 Q2 | 94,700,933 | $40,431,864,257 | +$1,510,178,055 | $427.00 | 716 |
| 2021 Q1 | 92,085,325 | $33,095,119,084 | +$509,060,434 | $359.39 | 716 |
| 2020 Q4 | 90,898,678 | $33,599,827,733 | -$501,643,933 | $369.72 | 716 |
| 2020 Q3 | 91,873,135 | $37,818,156,552 | -$149,409,008 | $412.23 | 717 |
| 2020 Q2 | 92,133,123 | $37,347,784,993 | +$419,792,629 | $405.40 | 709 |
| 2020 Q1 | 91,229,803 | $24,563,570,490 | +$161,888,036 | $269.27 | 572 |
| 2019 Q4 | 90,965,759 | $19,892,612,814 | +$32,992,514 | $218.74 | 495 |
| 2019 Q3 | 90,939,617 | $13,568,950,213 | +$328,190,271 | $149.24 | 413 |
| 2019 Q2 | 88,725,626 | $13,273,745,103 | +$356,759,485 | $149.84 | 410 |
| 2019 Q1 | 88,583,997 | $10,548,018,596 | +$38,787,031 | $119.10 | 446 |
| 2018 Q4 | 88,184,599 | $10,564,179,360 | -$129,808,671 | $119.80 | 407 |
| 2018 Q3 | 88,760,661 | $12,695,745,879 | -$611,032,557 | $143.04 | 360 |
| 2018 Q2 | 93,215,950 | $8,853,465,121 | -$922,123,660 | $94.98 | 280 |
| 2018 Q1 | 103,355,148 | $7,664,869,633 | +$5,330,131 | $74.16 | 267 |
| 2017 Q4 | 102,947,641 | $5,908,051,029 | +$82,535,646 | $57.39 | 267 |
| 2017 Q3 | 101,797,384 | $4,971,892,668 | +$151,443,618 | $48.92 | 269 |
| 2017 Q2 | 97,682,211 | $7,143,294,052 | +$675,762,206 | $73.15 | 305 |
| 2017 Q1 | 91,924,314 | $7,784,141,995 | +$246,630,175 | $84.73 | 314 |
| 2016 Q4 | 93,369,609 | $5,574,692,280 | +$200,388,424 | $59.70 | 302 |
| 2016 Q3 | 89,469,214 | $7,840,742,412 | +$510,941,803 | $87.66 | 283 |
| 2016 Q2 | 83,960,314 | $6,659,461,084 | +$465,790,843 | $79.33 | 268 |
| 2016 Q1 | 78,724,266 | $5,345,859,492 | +$152,413,063 | $67.91 | 258 |
| 2015 Q4 | 75,548,378 | $6,187,429,650 | +$150,114,111 | $81.90 | 281 |
| 2015 Q3 | 73,614,783 | $6,320,383,982 | +$12,932,607 | $85.86 | 276 |
| 2015 Q2 | 74,093,790 | $5,926,046,438 | +$109,671,235 | $79.98 | 256 |
| 2015 Q1 | 72,843,288 | $4,540,967,355 | +$30,872,775 | $62.34 | 241 |
| 2014 Q4 | 72,420,537 | $3,988,379,352 | -$127,403,087 | $55.05 | 226 |
| 2014 Q3 | 74,202,000 | $2,967,701,226 | +$83,399,713 | $39.99 | 199 |
| 2014 Q2 | 72,079,159 | $2,858,047,986 | +$96,346,179 | $39.66 | 189 |
| 2014 Q1 | 69,248,060 | $2,863,172,240 | +$10,785,157 | $41.36 | 209 |