Dexcom Inc. 13F holders
982 funds reported a position in Dexcom Inc. in their 13F for the quarter ended 30 June 2026, together 386.8 million shares worth $26.02 billion. Against the quarter before, 100 opened a position, 394 added, 344 trimmed and 98 sold out; together they bought a net 9.6 million shares. The largest holders: BlackRock, Inc., Vanguard Capital Management LLC and Vanguard Portfolio Management LLC.
Funds holding982+16 on Q1 2026
Shares they held386.8Mworth $26.02 billion
Net bought on the quarter9.6M sharesabout $646.1 million at the funds' values
Funds buying to selling494 to 442opened or added, to cut or sold
Opened 100Added 394Held 134Trimmed 344Sold out 98
What each fund did in DXCM against its 13F for the quarter before; a change under 0.1% of a holding counts as held
Funds reporting a position in DXCM in their 13F, each quarter; hover a bar for the shares they held
Filed so far for the quarter to 30 September 2026
4,696 funds have filed their 13F for the quarter so far; the rest are due by 16 November 2026. Of those, 516 reported a position in Dexcom Inc.: 63 opened one, 177 added, 176 trimmed and 27 sold out, a net 2.9 million shares sold.
The largest moves in the name among the funds that have filed, against each fund's previous 13F.
The well-known funds
Of the 44 funds followed here, 1 reported a position in Dexcom Inc. in a 13F for the quarter ended 30 September 2026, and 9 more in a 13F for an earlier quarter, the latest each has filed. The largest: Geode Capital Management, 12.5 million shares worth $1.07 billion, 0.1% of its reported book. In the quarter, 1 fund added or opened a position and 0 trimmed or sold out; together they bought a net 32,644 shares, about $2.8 million at the funds' own value per share on 30 September 2026. A change under 0.1% of a holding counts as held.
| Fund | Shares | Value | Of its book | Change on the quarter | Status | Quarter ended | Filing |
|---|---|---|---|---|---|---|---|
| Geode Capital Management | 12,459,159 | $1.07 billion | 0.1% | +32,644 | added | 30 September 2026 | 13F |
| Baillie Gifford | 14,801,590 | $996.9 million | 0.9% | -797,935 | trimmed | 30 June 2026, an earlier quarter | 13F |
| Norges Bank | 6,868,090 | $462.6 million | 0.0% | held | 30 June 2026, an earlier quarter | 13F | |
| FMR LLC | 1,893,246 | $127.5 million | 0.0% | +220,210 | added | 30 June 2026, an earlier quarter | 13F |
| Renaissance Technologies | 1,630,796 | $109.8 million | 0.2% | +47,800 | added | 30 June 2026, an earlier quarter | 13F |
| Citadel Advisors | 1,211,767 | $81.6 million | 0.0% | -880,105 | trimmed | 30 June 2026, an earlier quarter | 13F |
| Bridgewater Associates | 400,929 | $27.0 million | 0.1% | +261,242 | added | 30 June 2026, an earlier quarter | 13F |
| Millennium Management | 395,392 | $26.6 million | 0.0% | -1,226,812 | trimmed | 30 June 2026, an earlier quarter | 13F |
| Point72 Asset Management | 282,840 | $19.0 million | 0.0% | +25,542 | added | 30 June 2026, an earlier quarter | 13F |
| Two Sigma Investments | 46,697 | $3.1 million | 0.0% | -1,068,251 | trimmed | 30 June 2026, an earlier quarter | 13F |
Value is what the fund reported.
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Change is shares against the fund's previous 13F; a fund with one filing read shows no change. 13Fs cover long US positions of managers above $100 million and are filed up to 45 days after the quarter.The largest holders
| Fund | Shares | Share of all | Value | Of its book | Change in shares | Filing |
|---|---|---|---|---|---|---|
| BlackRock, Inc. | 38,244,137 | 9.89% | $2.58 billion | 0.04% | -720,234 | 13F |
| Vanguard Capital Management LLC | 25,209,752 | 6.52% | $1.70 billion | 0.04% | +188,791 | 13F |
| Vanguard Portfolio Management LLC | 19,656,540 | 5.08% | $1.32 billion | 0.06% | +436,587 | 13F |
| State Street Corp. | 18,380,806 | 4.75% | $1.24 billion | 0.04% | +445,959 | 13F |
| Invesco Ltd. | 15,288,133 | 3.95% | $1.03 billion | 0.08% | +1,615,819 | 13F |
| Baillie Gifford & Co. | 14,801,590 | 3.83% | $996.9 million | 0.90% | -797,935 | 13F |
| Geode Capital Management, LLC | 12,426,515 | 3.21% | $834.2 million | 0.04% | +79,877 | 13F |
| UBS AM, a distinct business unit of UBS Asset Management Americas LLC | 11,261,876 | 2.91% | $758.5 million | 0.14% | +1,515,702 | 13F |
| AllianceBernstein L.P. | 11,693,409 | 3.02% | $734.3 million | 0.24% | -1,230,235 | 13F |
| Wellington Management Group LLP | 8,527,471 | 2.20% | $574.3 million | 0.10% | -798,769 | 13F |
| Arrowstreet Capital, Limited Partnership | 6,873,273 | 1.78% | $462.9 million | 0.20% | +4,328,170 | 13F |
| Norges Bank | 6,868,090 | 1.78% | $462.6 million | 0.05% | 13F | |
| UBS Group AG | 6,065,779 | 1.57% | $408.5 million | 0.07% | +1,715,820 | 13F |
| Amundi | 5,603,490 | 1.45% | $377.4 million | 0.09% | -729,071 | 13F |
| Morgan Stanley | 5,156,282 | 1.33% | $347.3 million | 0.02% | +114,238 | 13F |
| Ameriprise Financial Inc. | 4,820,775 | 1.25% | $324.7 million | 0.07% | +579,991 | 13F |
| Castle Hook Partners LP | 3,870,342 | 1.00% | $260.7 million | 2.79% | +3,068,495 | 13F |
| Goldman Sachs Group Inc. | 3,758,616 | 0.97% | $253.1 million | 0.03% | +714,981 | 13F |
| Franklin Resources Inc. | 3,595,893 | 0.93% | $242.2 million | 0.05% | +988,455 | 13F |
| Massachusetts Financial Services Co. | 3,560,621 | 0.92% | $240.9 million | 0.08% | +1,626,169 | 13F |
| CIBC Bancorp USA Inc. | 3,454,735 | 0.89% | $233.0 million | 0.29% | -762,399 | 13F |
| JPMorgan Chase & Co. | 3,325,095 | 0.86% | $232.7 million | 0.01% | -2,674,375 | 13F |
| Charles Schwab Investment Management Inc. | 3,439,164 | 0.89% | $231.6 million | 0.03% | +263,865 | 13F |
| Northern Trust Corp. | 3,295,144 | 0.85% | $221.9 million | 0.03% | -129,881 | 13F |
| AQR Capital Management LLC | 3,237,720 | 0.84% | $218.1 million | 0.08% | +1,064,223 | 13F |
| Bank of America Corp. | 3,163,604 | 0.82% | $213.1 million | 0.01% | +229,878 | 13F |
| Raymond James Financial Inc. | 3,087,990 | 0.80% | $208.0 million | 0.06% | +305,363 | 13F |
| American Century Companies Inc. | 3,071,423 | 0.79% | $206.9 million | 0.09% | +126,413 | 13F |
| BNP Paribas Asset Management Holding S.A. | 2,729,905 | 0.71% | $183.9 million | 0.19% | +263,382 | 13F |
| Legal & General Group Plc | 2,572,193 | 0.67% | $173.2 million | 0.04% | -37,161 | 13F |
| Deutsche Bank AG | 2,435,559 | 0.63% | $164.0 million | 0.05% | -957,174 | 13F |
| Bank of New York Mellon Corp | 2,309,648 | 0.60% | $155.6 million | 0.03% | +166,507 | 13F |
| BNP Paribas Financial Markets | 2,268,607 | 0.59% | $152.8 million | 0.08% | +667,618 | 13F |
| Price T Rowe Associates Inc. | 2,238,713 | 0.58% | $150.8 million | 0.01% | +793,149 | 13F |
| Vanguard Fiduciary Trust Co. | 2,217,179 | 0.57% | $149.3 million | 0.03% | -5,380 | 13F |
| Employees Provident Fund Board | 2,190,029 | 0.57% | $147.5 million | 0.85% | no change | 13F |
| Dimensional Fund Advisors LP | 2,109,812 | 0.55% | $142.2 million | 0.03% | +214,263 | 13F |
| Royal Bank of Canada | 2,034,290 | 0.53% | $137.0 million | 0.02% | +59,866 | 13F |
| FMR LLC | 1,893,246 | 0.49% | $127.5 million | 0.01% | +220,210 | 13F |
| Nuveen, LLC | 1,830,235 | 0.47% | $123.3 million | 0.03% | +105,768 | 13F |
| Nomura Holdings Inc. | 1,709,370 | 0.44% | $115.1 million | 0.49% | +1,424,330 | 13F |
| Blair William & Co. | 1,665,665 | 0.43% | $112.2 million | 0.29% | -261,722 | 13F |
| Renaissance Technologies LLC | 1,630,796 | 0.42% | $109.8 million | 0.15% | +47,800 | 13F |
| Pacer Advisors, Inc. | 1,493,885 | 0.39% | $100.6 million | 0.26% | +1,459,860 | 13F |
| Assenagon Asset Management S.A. | 1,387,270 | 0.36% | $93.4 million | 0.06% | 13F | |
| Victory Capital Management Inc. | 1,367,932 | 0.35% | $92.1 million | 0.05% | +151,327 | 13F |
| DSM Capital Partners LLC | 1,359,135 | 0.35% | $91.5 million | 1.57% | -564,685 | 13F |
| Mitsubishi UFJ Asset Management Co., Ltd. | 1,335,411 | 0.35% | $89.9 million | 0.05% | +89,773 | 13F |
| CI Investments Inc. | 1,287,663 | 0.33% | $86.7 million | 0.28% | +415,085 | 13F |
| Bank of Nova Scotia | 1,266,285 | 0.33% | $85.3 million | 0.13% | +379,033 | 13F |
The 50 largest of the 982 funds that reported a position in DXCM in their 13F for the quarter ended 30 June 2026, by the value each reported.
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Share of all is the fund's part of all the shares the funds reported. Change is shares against the fund's 13F for the quarter before. A 13F lists a manager's long positions in US-listed shares at the quarter's end. What is a 13F?Options the funds reported on DXCM
| Fund | Option | Shares under the options | Value of those shares | Quarter ended | Filing |
|---|---|---|---|---|---|
| Citadel Advisors | Puts | 1,166,200 | $78.5 million | 30 June 2026 | 13F |
| Citadel Advisors | Calls | 382,600 | $25.8 million | 30 June 2026 | 13F |
| Millennium Management | Puts | 49,400 | $3.3 million | 30 June 2026 | 13F |
| Millennium Management | Calls | 26,800 | $1.8 million | 30 June 2026 | 13F |
| Point72 Asset Management | Calls | 7,400 | $498,390 | 30 June 2026 | 13F |
| Point72 Asset Management | Puts | 300 | $20,205 | 30 June 2026 | 13F |
A 13F lists calls and puts by the shares they cover and what those shares were worth at the quarter's end, not what the options cost.
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They are not counted in the holdings above. A put gains when the stock falls, a call when it rises, and a fund may hold either to hedge.Schedule 13D and 13G filed on the name, last twelve months
| Filed | Schedule | Who | Holding | Of the class | Event date | Rule or purpose | Filing |
|---|---|---|---|---|---|---|---|
| 29 April 2026 | 13G | Vanguard Portfolio Management and 1 other | 19.3 million | 5.0% | 31 March 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 29 April 2026 | 13G | Vanguard Capital Management and 1 other | 28.8 million | 7.5% | 31 March 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 26 March 2026 | 13G/A | The Vanguard Group and 1 other | 0 | 0.0% | 13 March 2026 | passive, institutional (13d-1(b)) | EDGAR |
A Schedule 13D is filed by anyone who crosses 5% of a class with intent to influence; a 13G by a passive holder.
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Amendments (/A) report a change, including an exit to zero. Holding and percentage are as the filer stated them on the cover page; the purpose is the filer's own words, cut short. 13D and 13GFails to deliver
| Settlement date | Shares failed | Price | File |
|---|---|---|---|
| 28 August 2026 | 3,579 | $89.29 | SEC |
| 26 August 2026 | 20,101 | $89.16 | SEC |
| 24 August 2026 | 6,371 | $92.34 | SEC |
| 19 August 2026 | 56 | $89.60 | SEC |
| 17 August 2026 | 32 | $89.75 | SEC |
| 13 August 2026 | 4,351 | $90.80 | SEC |
| 12 August 2026 | 5,328 | $89.53 | SEC |
| 11 August 2026 | 4 | $87.65 | SEC |
| 4 August 2026 | 1,447 | $87.31 | SEC |
| 30 July 2026 | 59 | $75.14 | SEC |
| 28 July 2026 | 69,270 | $73.37 | SEC |
| 24 July 2026 | 108 | $70.48 | SEC |
| 22 July 2026 | 536 | $74.75 | SEC |
| 20 July 2026 | 93 | $76.65 | SEC |
| 17 July 2026 | 4,746 | $77.98 | SEC |
Shares that failed to deliver at settlement, per day, from the SEC's half-month files, which arrive about two weeks after the period.