DEXCOM INC (DXCM) Institutional Shareholders
DEXCOM INC (DXCM) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026. The institutional investors covered on this page collectively reported approximately $22.23B in DXCM holdings during the latest filing period.
Blackrock, Inc. is currently the largest disclosed institutional shareholder of DXCM tracked by InsiderSet, reporting ownership valued at approximately $2.45B in its March 31, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $3.39B, representing an estimated gain of +38.44% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 47% of the total disclosed DXCM value among the investors covered in this analysis. Major shareholders include Blackrock, Inc., Vanguard Capital Management Llc, Vanguard Portfolio Management Llc, and several other long-term asset managers with concentrated positions in DEXCOM INC (DXCM).
This page ranks the largest institutional DXCM shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
942
Total Reported Value
$22.23B
Largest Holder
Blackrock, Inc.
Largest Position
$2.45B
Insider Transactions (90d)
26
Latest Filing Quarter
Q2 2026
New Institutional Positions
35
Funds Exiting Positions
1
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Blackrock, Inc. | 0.04% | 38,964,371 | $2,446,962,501 | $3,387,562,415 | +$940,599,914 | +38.44% | |
| Vanguard Capital Management Llc | 0.04% | 25,020,961 | $1,571,316,351 | $2,175,322,349 | +$604,005,998 | +38.44% | |
| Vanguard Portfolio Management Llc | 0.06% | 19,219,953 | $1,207,013,048 | $1,670,982,714 | +$463,969,666 | +38.44% | |
| State Street Corp | 0.04% | 17,934,847 | $1,126,308,392 | $1,559,255,598 | +$432,947,206 | +38.44% | |
| Baillie Gifford & Co | 1.00% | 15,599,525 | $979,650,170 | $1,356,222,704 | +$376,572,534 | +38.44% | |
| Alliancebernstein L.P. | 0.28% | 12,923,644 | $857,742,252 | $1,123,581,609 | +$265,839,357 | +30.99% | |
| Geode Capital Management, Llc | 0.05% | 12,346,638 | $772,908,692 | $1,073,416,708 | +$300,508,016 | +38.88% | |
| Ubs Am, A Distinct Business Unit Of Ubs Asset Management Americas Llc | 0.13% | 9,746,174 | $612,059,728 | $847,332,368 | +$235,272,640 | +38.44% | |
| Wellington Management Group Llp | 0.11% | 9,326,240 | $585,687,871 | $810,823,306 | +$225,135,435 | +38.44% | |
| Amundi | 0.11% | 6,332,561 | $397,684,831 | $550,552,853 | +$152,868,022 | +38.44% | |
| Invesco Ltd. | 0.05% | 5,594,860 | $351,357,215 | $486,417,128 | +$135,059,913 | +38.44% | |
| Morgan Stanley | 0.02% | 5,042,044 | $316,640,468 | $438,355,305 | +$121,714,837 | +38.44% | |
| Storebrand Asset Management As | 0.10% | 1,579,042 | $289,804,614 | $137,281,911 | -$152,522,703 | -52.63% | |
| Ubs Group Ag | 0.05% | 4,349,959 | $273,177,426 | $378,185,435 | +$105,008,009 | +38.44% | |
| Ameriprise Financial Inc | 0.06% | 4,240,784 | $266,322,554 | $368,693,761 | +$102,371,207 | +38.44% | |
| Cibc Bancorp Usa Inc. | 0.36% | 4,217,134 | $264,690,542 | $366,637,630 | +$101,947,088 | +38.52% | |
| Massachusetts Financial Services Co | 0.08% | 3,560,621 | $240,915,152 | $309,560,390 | +$68,645,238 | +28.49% | |
| Northern Trust Corp | 0.03% | 3,425,025 | $215,091,570 | $297,771,674 | +$82,680,104 | +38.44% | |
| Deutsche Bank Ag\ | 0.07% | 3,392,733 | $213,063,633 | $294,964,207 | +$81,900,574 | +38.44% | |
| Charles Schwab Investment Management Inc | 0.03% | 3,175,299 | $199,408,777 | $276,060,495 | +$76,651,718 | +38.44% | |
| Goldman Sachs Group Inc | 0.03% | 3,043,635 | $191,140,301 | $264,613,627 | +$73,473,326 | +38.44% | |
| American Century Companies Inc | 0.10% | 2,945,010 | $184,946,628 | $256,039,169 | +$71,092,541 | +38.44% | |
| Bank Of America Corp | 0.01% | 2,933,726 | $184,237,986 | $255,058,138 | +$70,820,152 | +38.44% | |
| Raymond James Financial Inc | 0.05% | 2,782,627 | $173,948,909 | $241,921,591 | +$67,972,682 | +39.08% | |
| Janus Henderson Group Plc | 0.08% | 2,644,539 | $166,077,317 | $229,916,221 | +$63,838,904 | +38.44% | |
| Legal & General Group Plc | 0.04% | 2,609,354 | $163,867,432 | $226,857,237 | +$62,989,805 | +38.44% | |
| Franklin Resources Inc | 0.04% | 2,607,438 | $163,747,106 | $226,690,660 | +$62,943,554 | +38.44% | |
| Arrowstreet Capital, Limited Partnership | 0.09% | 2,545,103 | $159,832,468 | $221,271,255 | +$61,438,787 | +38.44% | |
| Bnp Paribas Asset Management Holding S.A. | 0.18% | 2,466,523 | $154,897,644 | $214,439,510 | +$59,541,866 | +38.44% | |
| Toronto Dominion Bank | 0.30% | 2,465,363 | $154,824,827 | $214,338,659 | +$59,513,832 | +38.44% | |
| Vanguard Fiduciary Trust Co | 0.04% | 2,222,559 | $139,576,705 | $193,229,279 | +$53,652,574 | +38.44% | |
| Employees Provident Fund Board | 1.04% | 2,190,029 | $137,533,821 | $190,401,121 | +$52,867,300 | +38.44% | |
| Aqr Capital Management Llc | 0.06% | 2,173,497 | $136,495,623 | $188,963,829 | +$52,468,206 | +38.44% | |
| Bank Of New York Mellon Corp | 0.02% | 2,143,141 | $134,589,263 | $186,324,679 | +$51,735,416 | +38.44% | |
| Citadel Advisors Llc | 0.09% | 2,091,872 | $131,369,562 | $181,867,352 | +$50,497,790 | +38.44% | |
| Royal Bank Of Canada | 0.02% | 1,974,424 | $123,993,000 | $171,656,423 | +$47,663,423 | +38.44% | |
| Blair William & Co/Il | 0.35% | 1,927,387 | $121,039,928 | $167,567,026 | +$46,527,098 | +38.44% | |
| Dimensional Fund Advisors Lp | 0.02% | 1,895,549 | $119,017,353 | $164,799,030 | +$45,781,677 | +38.47% | |
| National Bank Of Canada | 0.12% | 1,870,971 | $117,497,778 | $162,662,219 | +$45,164,441 | +38.44% | |
| Neuberger Berman Group Llc | 0.08% | 1,729,163 | $108,591,454 | $150,333,431 | +$41,741,977 | +38.44% | |
| Nuveen, Llc | 0.03% | 1,724,467 | $108,296,528 | $149,925,161 | +$41,628,633 | +38.44% | |
| Fmr Llc | 0.01% | 1,673,036 | $105,066,648 | $145,453,750 | +$40,387,102 | +38.44% | |
| Adage Capital Partners Gp, L.L.C. | 0.16% | 1,666,408 | $104,650,422 | $144,877,512 | +$40,227,090 | +38.44% | |
| Millennium Management Llc | 0.08% | 1,622,204 | $101,874,411 | $141,034,416 | +$39,160,005 | +38.44% | |
| Bnp Paribas Financial Markets | 0.07% | 1,600,989 | $100,542,109 | $139,189,984 | +$38,647,875 | +38.44% | |
| Renaissance Technologies LLC | Jim Simons | 0.16% | 1,582,996 | $99,412,149 | $137,625,672 | +$38,213,523 | +38.44% |
| Dsm Capital Partners Llc | 1.57% | 1,359,135 | $91,537,742 | $118,163,197 | +$26,625,455 | +29.09% | |
| Capital World Investors | 0.01% | 1,384,000 | $86,915,200 | $120,324,960 | +$33,409,760 | +38.44% | |
| Stephens Investment Management Group Llc | 0.87% | 1,204,553 | $81,126,645 | $104,723,838 | +$23,597,193 | +29.09% | |
| Swedbank Ab | 0.07% | 1,166,132 | $78,538,991 | $101,383,516 | +$22,844,525 | +29.09% |
Frequently asked questions about DXCM
Who owns the most DXCM stock?
The largest holders of DXCM are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for DEXCOM INC (DXCM).
Is DXCM widely held by superinvestors?
Many widely followed stocks like DXCM appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly DXCM is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.