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 $27.71B 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 $2.58B in its June 30, 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 $3.42B, representing an estimated gain of +32.67% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 49% of the total disclosed DXCM value among the investors covered in this analysis. Major shareholders include Blackrock, Inc., Banque Cantonale Vaudoise, Vanguard Capital 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
955
Total Reported Value
$27.71B
Largest Holder
Blackrock, Inc.
Largest Position
$2.58B
Insider Transactions (90d)
21
Latest Filing Quarter
Q2 2026
New Institutional Positions
55
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% | 38,244,137 | $2,575,742,626 | $3,417,113,641 | +$841,371,015 | +32.67% | |
| Banque Cantonale Vaudoise | 0.35% | 37,250 | $2,509,000,000 | $3,328,288 | -$2,505,671,713 | -99.87% | |
| Vanguard Capital Management Llc | 0.04% | 25,209,752 | $1,697,876,797 | $2,252,491,341 | +$554,614,544 | +32.67% | |
| Vanguard Portfolio Management Llc | 0.06% | 19,656,540 | $1,323,867,969 | $1,756,311,849 | +$432,443,880 | +32.67% | |
| State Street Corp | 0.04% | 18,380,806 | $1,237,947,284 | $1,642,325,016 | +$404,377,732 | +32.67% | |
| Invesco Ltd. | 0.08% | 15,288,133 | $1,029,655,765 | $1,365,994,684 | +$336,338,919 | +32.67% | |
| Baillie Gifford & Co | 0.90% | 14,801,590 | $996,887,087 | $1,322,522,067 | +$325,634,980 | +32.67% | |
| Geode Capital Management, Llc | 0.04% | 12,426,515 | $834,165,910 | $1,110,309,115 | +$276,143,205 | +33.10% | |
| Alliancebernstein L.P. | 0.24% | 11,693,409 | $734,346,085 | $1,044,806,094 | +$310,460,009 | +42.28% | |
| Ubs Am, A Distinct Business Unit Of Ubs Asset Management Americas Llc | 0.13% | 9,746,174 | $612,059,728 | $870,820,647 | +$258,760,919 | +42.28% | |
| Wellington Management Group Llp | 0.10% | 8,527,471 | $574,325,172 | $761,929,534 | +$187,604,362 | +32.67% | |
| Arrowstreet Capital, Limited Partnership | 0.21% | 6,873,273 | $462,914,937 | $614,126,943 | +$151,212,006 | +32.67% | |
| Norges Bank | 0.05% | 6,868,090 | $462,565,862 | $613,663,842 | +$151,097,980 | +32.67% | |
| Ubs Group Ag | 0.06% | 6,065,779 | $408,530,217 | $541,977,354 | +$133,447,137 | +32.67% | |
| Morgan Stanley | 0.02% | 5,156,282 | $347,275,842 | $460,713,797 | +$113,437,955 | +32.67% | |
| Ameriprise Financial Inc | 0.07% | 4,820,775 | $324,681,713 | $430,736,246 | +$106,054,533 | +32.66% | |
| Castle Hook Partners Lp | 2.79% | 3,870,342 | $260,667,534 | $345,815,058 | +$85,147,524 | +32.67% | |
| Goldman Sachs Group Inc | 0.03% | 3,758,616 | $253,142,816 | $335,832,340 | +$82,689,524 | +32.67% | |
| Massachusetts Financial Services Co | 0.08% | 3,560,621 | $240,915,152 | $318,141,486 | +$77,226,334 | +32.06% | |
| Cibc Bancorp Usa Inc. | 0.29% | 3,454,735 | $232,974,509 | $308,680,572 | +$75,706,063 | +32.50% | |
| Jpmorgan Chase & Co | 0.01% | 3,325,095 | $232,690,154 | $297,097,238 | +$64,407,084 | +27.68% | |
| Charles Schwab Investment Management Inc | 0.03% | 3,439,164 | $231,627,696 | $307,289,303 | +$75,661,607 | +32.67% | |
| Northern Trust Corp | 0.03% | 3,295,144 | $221,927,948 | $294,421,116 | +$72,493,168 | +32.67% | |
| Aqr Capital Management Llc | 0.08% | 3,237,720 | $218,060,428 | $289,290,282 | +$71,229,854 | +32.67% | |
| Bank Of America Corp | 0.01% | 3,163,604 | $213,068,756 | $282,668,017 | +$69,599,261 | +32.67% | |
| Raymond James Financial Inc | 0.06% | 3,087,990 | $207,976,113 | $275,911,907 | +$67,935,794 | +32.67% | |
| American Century Companies Inc | 0.09% | 3,071,423 | $206,860,340 | $274,431,645 | +$67,571,305 | +32.67% | |
| Bnp Paribas Asset Management Holding S.A. | 0.18% | 2,729,905 | $183,859,102 | $243,917,012 | +$60,057,910 | +32.67% | |
| Legal & General Group Plc | 0.04% | 2,572,193 | $173,237,203 | $229,825,445 | +$56,588,242 | +32.67% | |
| Janus Henderson Group Plc | 0.08% | 2,644,539 | $166,077,317 | $236,289,560 | +$70,212,243 | +42.28% | |
| Deutsche Bank Ag\ | 0.05% | 2,435,559 | $164,034,901 | $217,617,197 | +$53,582,296 | +32.67% | |
| Bank Of New York Mellon Corp | 0.03% | 2,309,648 | $155,554,805 | $206,367,049 | +$50,812,244 | +32.67% | |
| Bnp Paribas Financial Markets | 0.08% | 2,268,607 | $152,790,681 | $202,700,035 | +$49,909,354 | +32.67% | |
| Price T Rowe Associates Inc | 0.02% | 2,238,713 | $150,778,000 | $200,029,007 | +$49,251,007 | +32.66% | |
| Vanguard Fiduciary Trust Co | 0.03% | 2,217,179 | $149,327,006 | $198,104,944 | +$48,777,938 | +32.67% | |
| Employees Provident Fund Board | 0.85% | 2,190,029 | $147,498,453 | $195,679,091 | +$48,180,638 | +32.67% | |
| Dimensional Fund Advisors Lp | 0.03% | 2,109,812 | $142,152,983 | $188,511,702 | +$46,358,719 | +32.61% | |
| Royal Bank Of Canada | 0.02% | 2,034,290 | $137,011,000 | $181,763,812 | +$44,752,812 | +32.66% | |
| Fmr Llc | 0.01% | 1,893,246 | $127,510,091 | $169,161,530 | +$41,651,439 | +32.67% | |
| Nuveen, Llc | 0.03% | 1,830,235 | $123,266,328 | $163,531,497 | +$40,265,169 | +32.67% | |
| Nomura Holdings Inc | 0.49% | 1,709,370 | $115,126,069 | $152,732,210 | +$37,606,141 | +32.67% | |
| Blair William & Co/Il | 0.29% | 1,665,665 | $112,182,565 | $148,827,168 | +$36,644,603 | +32.67% | |
| Renaissance Technologies LLC | Jim Simons | 0.15% | 1,630,796 | $109,834,111 | $145,711,623 | +$35,877,512 | +32.67% |
| Pacer Advisors, Inc. | 0.26% | 1,493,885 | $100,613,000 | $133,478,625 | +$32,865,625 | +32.67% | |
| Victory Capital Management Inc | 0.05% | 1,367,932 | $92,130,221 | $122,224,724 | +$30,094,503 | +32.67% | |
| Dsm Capital Partners Llc | 1.57% | 1,359,135 | $91,537,742 | $121,438,712 | +$29,900,970 | +32.67% | |
| Mitsubishi Ufj Asset Management Co., Ltd. | 0.05% | 1,335,411 | $89,939,931 | $119,318,973 | +$29,379,042 | +32.67% | |
| Ci Investments Inc. | 0.28% | 1,287,663 | $86,724,103 | $115,052,689 | +$28,328,586 | +32.67% | |
| Bank Of Nova Scotia | 0.13% | 1,266,285 | $85,283,937 | $113,142,565 | +$27,858,628 | +32.67% | |
| Dnb Asset Management As | 0.24% | 1,255,284 | $84,543,377 | $112,159,625 | +$27,616,248 | +32.67% |
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.