| 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 31 Dec 2025, 897 institutional investors reported holding 360,259,812 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 57% 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% | 49,074,378 | -0.77% | 0.05% | $3,257,066,468 |
| BlackRock, Inc. | 10% | 39,848,377 | +2.6% | 0.04% | $2,644,736,811 |
| STATE STREET CORP | 4.6% | 18,093,554 | +7.3% | 0.04% | $1,200,869,179 |
| BAILLIE GIFFORD & CO | 4% | 15,552,587 | -2.1% | 0.86% | $1,032,225,198 |
| GEODE CAPITAL MANAGEMENT, LLC | 2.8% | 11,006,183 | +0.39% | 0.04% | $727,841,809 |
| ALLIANCEBERNSTEIN L.P. | 2.2% | 8,624,132 | +1955% | 0.18% | $572,383,641 |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 2% | 7,999,057 | +6.9% | 0.11% | $530,897,413 |
| NORGES BANK | 1.9% | 7,282,743 | 0.05% | $483,355,653 | |
| JPMORGAN CHASE & CO | 1.6% | 6,216,401 | +0.04% | 0.03% | $412,582,596 |
| JENNISON ASSOCIATES LLC | 1.5% | 5,789,944 | -43% | 0.23% | $384,278,588 |
| Invesco Ltd. | 1.4% | 5,315,367 | +15% | 0.05% | $352,780,915 |
| MORGAN STANLEY | 1.3% | 5,072,646 | +17% | 0.02% | $336,671,733 |
| Amundi | 1.3% | 4,917,921 | -2% | 0.1% | $326,402,417 |
| Nuveen, LLC | 1.2% | 4,632,271 | -27% | 0.08% | $307,443,825 |
| DEUTSCHE BANK AG\ | 1.1% | 4,329,213 | +52% | 0.09% | $287,329,869 |
| D. E. Shaw & Co., Inc. | 1% | 3,938,568 | +79% | 0.2% | $261,402,758 |
| BANK OF AMERICA CORP /DE/ | 0.97% | 3,813,212 | -12% | 0.02% | $253,082,872 |
| NORTHERN TRUST CORP | 0.86% | 3,376,421 | -9.3% | 0.03% | $224,093,062 |
| CIBC Private Wealth Group LLC | 0.8% | 3,128,114 | +7.6% | 0.35% | $207,612,942 |
| AQR CAPITAL MANAGEMENT LLC | 0.79% | 3,102,789 | +598% | 0.11% | $205,932,104 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 0.79% | 3,079,311 | -3.3% | 0.03% | $204,373,871 |
| WELLINGTON MANAGEMENT GROUP LLP | 0.78% | 3,073,575 | +3777% | 0.04% | $203,993,172 |
| FRANKLIN RESOURCES INC | 0.68% | 2,682,761 | +9.7% | 0.04% | $178,054,847 |
| Legal & General Group Plc | 0.66% | 2,605,282 | -1.2% | 0.04% | $172,912,568 |
| ROYAL BANK OF CANADA | 0.65% | 2,539,748 | -20% | 0.03% | $168,563,000 |
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2025 Q4 | 360,259,812 | $23,914,563,432 | +$95,828,298 | $66.37 | 897 |
| 2025 Q3 | 362,173,493 | $24,358,855,958 | -$446,610,980 | $67.29 | 896 |
| 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 |