DexCom, Inc. (DXCM) — Q2 2026 Earnings Preview

Company

DexCom, Inc.

Ticker

DXCM (Nasdaq)

Upcoming Earnings Date

July 30, 2026 (after market close, 4:30 PM ET)

Reporting Period

Q2 2026 (quarter ended June 30, 2026)

Prepared

July 29, 2026

1. Earnings Preview

Key Takeaway: The setup into Q2 is constructive but not euphoric — consensus sits at a manageable bar on revenue (~$1.29B, +11% YoY) while the EPS bar ($0.61) is achievable given Q1's strong cost discipline; the single biggest swing factor is whether new patient start momentum sustained its Q1 global-record pace into Q2, which would validate the high end of full-year guidance.

Heading into Q2 2026 results, Dexcom's setup is modestly favorable: the company beat on both revenue and EPS in Q1, raised operating and EBITDA margin guidance, and announced the Prime Therapeutics coverage win (effective summer 2026, adding ~1 million type 2 non-insulin lives), none of which was fully embedded in original guidance. The bar on revenue is not demanding — consensus at ~$1.29B implies ~11% YoY growth, squarely within the reiterated full-year guidance range of $5.16–$5.25B (11–13% growth), and management's Q1 commentary flagged that U.S. comps are harder in H1 and easier in H2, setting a reasonable sequential expectation. Management's tone has been increasingly confident: the May 14 Investor Day formalized a 10%+ organic growth target every year through 2030, authorized a $1B buyback (to be fully executed in 2026), and guided to 29–30% non-GAAP operating margins by 2030 — a posture that signals conviction in the multi-year trajectory. Estimate revisions have been essentially flat since Q1 earnings (Q2 EPS consensus ~$0.589 vs. ~$0.587 at Q1 print), suggesting the Street has not yet priced in upside from the Prime Therapeutics win or the ADA CONNECT trial readout (June 6), leaving modest cushion if execution holds. The stock has rallied ~26% from the April 30 earnings close (~$59.55) to ~$74.85 as of July 28, outperforming XLV meaningfully, so some beat is priced in — but the multiple (NTM P/E ~26x) is not stretched relative to the growth profile. The key wildcard is the pace of G7 15-day conversion and its gross margin pull-through: management guided to ~50% of the U.S. base converting by year-end, and any acceleration or deceleration in that trajectory — combined with geopolitical commodity cost uncertainty (50–100 bps flagged on fuel/resins) — will determine whether gross margin guidance (63–64%) is reiterated, raised, or quietly pressured.

2. KPIs & Consensus Expectations

Key Takeaway: Consensus sets a manageable revenue bar (~$1.29B, +11% YoY) with the EPS bar ($0.61) achievable given Q1's demonstrated cost discipline; new patient starts are the bigger swing factor — Q1 set a global record and the high end of full-year guidance requires records each quarter, making Q2 patient momentum the most watched KPI.

Table 1 — Q2 2026 Current Quarter Snapshot

KPI

Q1 2026 Actual

Q2 2025 Actual (Prior Year)

Q2 2026 Consensus Estimate

YoY Change (Est.)

FY2026 Guidance (Last Call)

Consensus vs. Guidance Midpoint

Total Revenue ($M)

$1,191.9M

$1,157.1M

$1,290.5M

+11.5%

$5,160–$5,250M (mid: $5,205M)

~+0.7% above mid

Operating EPS (Non-GAAP)

$0.56

$0.48

$0.609

+26.9%

N/A — no quarterly EPS guidance provided

N/A

Gross Profit — Operating ($M)

$757.4M (63.5% margin)

$695.9M (60.1% margin)

$819.1M

+17.7%

63–64% non-GAAP gross margin (FY)

~63.4% implied — within range

Net New Patients (K)

182.6K (global record)

171.6K

148.2K

-13.6% vs. Q1; +7.4% YoY

High end assumes global record each quarter; low end assumes no records

N/A — no quarterly patient guidance

International Revenue ($M)

$359.6M (+26% reported; +17% organic)

$316.1M

$365.4M

+15.6%

Organic growth split ~evenly U.S./OUS; OUS comps easier in H1

N/A — no segment guidance

Source: Visible Alpha consensus and actuals data. Q2 2026 consensus as of July 29, 2026. FY2026 guidance as stated on Q1 2026 earnings call (April 30, 2026). Note: Net New Patients consensus of 148.2K is below Q1's global record of 182.6K, reflecting typical seasonal step-down; the key question is whether Q2 tracks closer to Q1's record pace or reverts toward the low end of guidance.

Table 2 — Beat / Miss History (Last 8 Quarters, Top 2 KPIs)

KPI 1: Total Revenue

Quarter

Reported ($M)

Consensus ($M)

Surprise %

Result

Q1 2026

$1,191.9

$1,175.4

+1.4%

Beat

Q4 2025

$1,259.6

$1,250.0

+0.8%

Beat

Q3 2025

$1,209.3

$1,179.5

+2.5%

Beat

Q2 2025

$1,157.1

$1,126.3

+2.7%

Beat

Q1 2025

$1,036.0

$1,017.8

+1.8%

Beat

Q4 2024

$1,113.5

$1,103.5

+0.9%

Beat

Q3 2024

$994.2

$991.1

+0.3%

Beat

Q2 2024

$1,004.0*

N/A — pre-period

N/A

N/A

KPI 2: Operating EPS (Non-GAAP)

Quarter

Reported ($)

Consensus ($)

Surprise %

Result

Q1 2026

$0.56

$0.469

+19.4%

Large Beat

Q4 2025

$0.68

$0.656

+3.7%

Beat

Q3 2025

$0.61

$0.568

+7.4%

Beat

Q2 2025

$0.48

$0.449

+6.9%

Beat

Q1 2025

$0.319

$0.331

-3.6%

Miss

Q4 2024

$0.45

$0.504

-10.7%

Miss

Q3 2024

$0.45

$0.435

+3.5%

Beat

Q2 2024

N/A — pre-period

N/A

N/A

N/A

Source: Visible Alpha consensus and actuals data. Pattern: Dexcom has beaten revenue consensus in 7 of the last 7 reported quarters, with beats typically in the +1–3% range — a consistent but modest outperformance pattern. On EPS, the track record is more volatile: two misses in Q4 2024 and Q1 2025 (driven by elevated scrap/freight costs and G7 quality issues) were followed by a sharp recovery, culminating in a +19% EPS beat in Q1 2026 as cost discipline reasserted itself. The Street appears to have learned from the Q1 2026 beat and has modestly raised the Q2 EPS bar, but it remains below the Q1 actual, leaving room for another positive surprise if gross margin holds.

3. Guidance & Commentary Evolution

Key Takeaway: FY2026 revenue and gross margin guidance were reiterated at Q1 earnings (April 30), while operating and EBITDA margin guidance were raised; the May 14 Investor Day added a long-range framework (10%+ organic growth through 2030, $1B buyback) but did not change near-term quarterly guidance. Tone has shifted meaningfully more confident since the Q3 2025 quality-issue trough.

Metric

Initial Guidance (Q1 2026 Earnings Call, Apr 30)

Revised Guidance

Current Consensus

Note

FY2026 Total Revenue

$5.16B–$5.25B (11–13% growth)

$5.224B

Reiterated at Q1 earnings; not raised despite Q1 beat. Management cited geopolitical uncertainty on fuel/resin costs as reason for caution.

FY2026 Non-GAAP Gross Margin

63%–64%

~63.6% implied by consensus

Reiterated; Q1 came in at 63.5% (flat sequentially despite typical seasonal step-down). CFO flagged 50–100 bps risk from fuel/resins.

FY2026 Non-GAAP Operating Margin

23%–23.5%

↑ Raised from prior 22%–22.5% at Q1 earnings (Apr 30)

~23.2% implied

↑ Raised at Q1 earnings on strong cost control. Reflects operating leverage from scale and disciplined opex.

FY2026 Adjusted EBITDA Margin

31%–31.5%

↑ Raised from prior 30%–30.5% at Q1 earnings (Apr 30)

~31.2% implied

↑ Raised at Q1 earnings alongside operating margin. Management stated underlying business is outperforming internal expectations.

Long-Range Organic Revenue Growth (2026–2030)

N/A — not provided at Q1 earnings

10%+ every year through 2030 (not a CAGR) — disclosed at Investor Day, May 14, 2026

N/A

New at Investor Day (May 14). Includes competitive bidding assumptions from 2028. Effective date: May 14, 2026.

Share Repurchase Authorization

N/A — not provided at Q1 earnings

$1.0B authorized; to be fully executed in 2026. Disclosed at Investor Day, May 14, 2026. Terminated prior $250M program.

N/A

New at Investor Day (May 14). Repurchase period ends no later than June 30, 2027. Effective date: May 14, 2026.

CMS Coverage (Type 2 Non-Insulin)

Management: “Only a matter of time”; RCT readout at ADA 2026 (June 6) expected to strengthen case

Investor Day (May 14): Expects Medicare coverage decision “anytime between now and end of 2026”; internal plan assumes coverage effective mid-2027

N/A — not in consensus model

Tone more specific at Investor Day vs. Q1 call. Coverage expected to add ~12M lives and double U.S. addressable market. Effective date of coverage: mid-2027 per internal plan.

4. Guidance vs. Estimate Revision Tracker

Key Takeaway: Estimates for Q2 2026 and FY2026 have been remarkably stable since Q1 earnings — revenue consensus is essentially flat and EPS has barely moved — suggesting the Street has not yet incorporated the Prime Therapeutics win or ADA CONNECT trial data into numbers. This stability represents cushion, not complacency: if Q2 execution matches Q1's pattern, there is room for another modest beat without the bar having been raised.

KPI (Period)

Estimate ~5 Days Post Q1 Earnings (as of May 7, 2026)

Current Consensus (July 29, 2026)

Estimate Δ (%)

Initial Guidance (Q1 Earnings Call)

Current Guidance

Guidance Δ

Consensus vs. Guidance Midpoint

Total Revenue — Q2 2026

$1,290.1M

$1,290.5M

+0.03%

No quarterly guidance provided

No quarterly guidance provided

N/A

N/A

Total Revenue — FY2026

$5,223.1M

$5,223.9M

+0.02%

$5,160–$5,250M (mid: $5,205M)

Unchanged — reiterated Apr 30

Flat

+0.4% above mid

Operating EPS — Q2 2026

$0.607

$0.609

+0.3%

No quarterly EPS guidance provided

No quarterly EPS guidance provided

N/A

N/A

Operating EPS — FY2026

$2.577

$2.597

+0.8%

No FY EPS guidance provided

No FY EPS guidance provided

N/A

N/A

Gross Profit (Operating) — Q2 2026

$819.0M

$819.1M

+0.01%

63–64% non-GAAP gross margin (FY)

Unchanged — reiterated Apr 30

Flat

~63.4% implied — within range

Gross Profit (Operating) — FY2026

$3,318.3M

$3,321.2M

+0.1%

63–64% non-GAAP gross margin (FY)

Unchanged — reiterated Apr 30

Flat

~63.6% implied — within range

Source: Visible Alpha consensus and actuals data. Post-Q1 baseline uses consensus as of May 7, 2026 (approximately 5 trading days after the April 30 earnings release). The near-zero revision across all KPIs since Q1 earnings is notable: it suggests the Street is treating Q1 as a clean beat but not extrapolating it forward, leaving the estimate bar essentially unchanged. The FY2026 EPS consensus of $2.597 sits modestly above the May 7 baseline (+0.8%), reflecting the raised operating margin guidance, but has not moved further since — consistent with management's decision to hold revenue guidance flat.

5. Stock Performance

Key Takeaway: The stock's +26% rally since Q1 earnings (April 30 close: $59.55 → July 28 close: $74.85) has been driven primarily by multiple re-rating (+14% NTM EV/EBITDA expansion over 3 months) rather than estimate revisions, which have been flat; the stock has meaningfully outperformed XLV (+14.6% over the same period) and the S&P 500 (+3.1%), suggesting sentiment recovery and Investor Day catalysts are already partially priced in.

Since the Q1 2026 earnings close on April 30, 2026, DXCM has rallied approximately +26% (from $59.55 to $74.85 as of July 28), significantly outperforming the healthcare sector ETF (XLV: +14.6%) and the S&P 500 (+3.1%). The rally was not driven by estimate revisions — consensus revenue and EPS have barely moved — but rather by multiple expansion and sentiment recovery. Key inflection points include: (1) the May 14 Investor Day, which catalyzed a sharp move from ~$58 to ~$72 over the following week as the long-range plan and $1B buyback were well-received; (2) the June 6–8 ADA conference period, where the CONNECT trial readout and positive peer commentary (Insulet, Abbott) drove DXCM to a near-term high of ~$78; and (3) a mid-June to late-June pullback to ~$67–69 as the broader market softened and the stock digested gains. The stock recovered to ~$78 on July 16 (Abbott Q2 earnings day, positive CGM read-through) before settling back to ~$74–75 heading into the print. At current levels, NTM P/E of ~26x and EV/EBITDA of ~15.7x are below the 12-month-ago levels (P/E ~38.6x, EV/EBITDA ~21.7x), reflecting the valuation reset from 2025's guidance cuts, but the 3-month multiple expansion (+14% on EV/EBITDA) signals the market is beginning to re-rate the stock toward its growth profile.

Note: Sector ETF used: XLV (Health Care Select Sector SPDR Fund). XLV is appropriate for DXCM as a large-cap medical device/diabetes technology company within the healthcare sector. Chart below is indexed to 100 at April 30, 2026 (Q1 2026 earnings date). Data through July 28, 2026 (July 29 is the preparation date; July 30 earnings data excluded).

Date

DXCM (Indexed)

XLV (Indexed)

SPY (Indexed)

Key Event

Apr 30 (Base)

100.0

100.0

100.0

Q1 2026 Earnings (base date)

May 14

97.1

100.4

104.1

Investor Day: 10%+ LRP, $1B buyback

May 22

121.1

102.7

103.7

Post-Investor Day rally peak

Jun 8

128.6

104.6

102.9

ADA Conference: CONNECT trial readout

Jun 30

113.1

108.7

103.9

Quarter-end; mid-June pullback

Jul 16

130.9

110.8

104.5

Abbott Q2 earnings: CGM +9.5%, positive read-through

Jul 28

125.7

114.6

103.1

Day before Q2 earnings (preparation date)

Source: Yahoo Finance / Stock Price Data. Indexed to 100 at April 30, 2026 close. Data through July 28, 2026. July 29 (preparation date) and July 30 (earnings date) excluded per instruction.

6. Material News & Developments

Key Takeaway: The most important development since Q1 earnings is the May 14 Investor Day, which formalized a 10%+ organic growth LRP through 2030 and a $1B buyback — a structural re-rating catalyst; the June 6 ADA CONNECT trial readout and Abbott's July 16 CGM commentary are the most relevant near-term read-throughs for Q2 setup.

7. Insider Transaction Activity

Key Takeaway: All insider transactions since Q1 earnings are 10b5-1 planned sales — there are no discretionary open-market sells or buys. The pattern is routine and pre-scheduled; no clustered discretionary selling or unusual transaction sizes stand out as a negative signal heading into Q2 earnings.

Name

Title

Transaction Type

Shares

Transaction Date

Note

Brown, Michael Jon

EVP, Chief Legal & Compliance Officer

10b5-1 Planned Sale

1,700

Jul 15, 2026

Pre-scheduled 10b5-1 plan (initiated Nov 26, 2025). Routine monthly sale. Also filed Form 144 intention to sell $126,514 on Jul 15.

Sayer, Kevin R.

Executive Chair & Director

10b5-1 Planned Sale

26,756

Jul 6, 2026

Pre-scheduled 10b5-1 plan. Largest single transaction in the period by share count; consistent with prior monthly cadence for Sayer.

Brown, Michael Jon

EVP, Chief Legal & Compliance Officer

10b5-1 Planned Sale

1,700

Jun 15, 2026

Pre-scheduled 10b5-1 plan. Routine monthly sale.

Foletta, Mark G.

Director

10b5-1 Planned Sale

4,000

Jun 15, 2026

Pre-scheduled 10b5-1 plan. Indirect ownership (by Trust).

Coleman, Jon

EVP, Chief Commercial Officer

10b5-1 Planned Sale

4,912

Jun 3, 2026

Pre-scheduled 10b5-1 plan. Two-day sale (4,912 + 4,911 shares on Jun 3–4).

Coleman, Jon

EVP, Chief Commercial Officer

10b5-1 Planned Sale

4,911

Jun 4, 2026

Pre-scheduled 10b5-1 plan. Second day of two-day sale.

Sayer, Kevin R.

Executive Chair & Director

10b5-1 Planned Sale

26,759

May 21, 2026

Pre-scheduled 10b5-1 plan. Consistent with prior monthly cadence.

Brown, Michael Jon

EVP, Chief Legal Officer

10b5-1 Planned Sale

1,700

May 15, 2026

Pre-scheduled 10b5-1 plan. Routine monthly sale.

Heller, Bridgette P.

Director

10b5-1 Planned Sale

1,012

May 12, 2026

Pre-scheduled 10b5-1 plan.

Source: SEC Form 4 filings and Form 144 filings. All transactions are open-market sales executed under pre-established 10b5-1 trading plans. No open-market discretionary buys or sells were filed in the period. The absence of any discretionary buying is not unusual for a company whose stock has rallied ~26% since Q1 earnings. Kevin Sayer's monthly ~26,750-share sales are the largest by volume but are consistent with a long-running pre-scheduled plan. No insider transaction activity raises a flag heading into Q2 earnings.

8. Peer Commentaries & Read-Throughs

Scope: Includes only commentary issued between May 30 and July 29, 2026, where the speaker addressed their then-current unreported quarter or forward second-half outlook. Retrospective prior-quarter commentary is excluded. Disclosure dates are noted separately from effective dates where applicable.

Abbott Laboratories (ABT) — Q2 2026 Earnings Call

Disclosure Date: July 16, 2026 | Period Addressed: Q2 2026 (then-current reported quarter) and H2 2026 forward outlook

Insulet Corporation (PODD) — William Blair Growth Stock Conference

Disclosure Date: June 3, 2026 | Period Addressed: Q2 2026 (then-current unreported quarter) and H2 2026 forward outlook

Insulet Corporation (PODD) — ADA Cardiometabolic Health Portfolio Investor Event

Disclosure Date: June 8, 2026 | Period Addressed: Q2 2026 (then-current unreported quarter) and H2 2026 / 2027 forward outlook

Tandem Diabetes Care (TNDM) — Goldman Sachs Global Healthcare Conference

Disclosure Date: June 8, 2026 | Period Addressed: Q2 2026 (then-current unreported quarter) and H2 2026 forward outlook

Senseonics (SENS) — Analyst Event

Disclosure Date: June 6, 2026 | Period Addressed: Q2 2026 (then-current unreported quarter) and H2 2026 / 2027 forward outlook

Medtronic (MDT) — Q4 FY2026 Earnings Release

Disclosure Date: June 3, 2026 | Period Addressed: FY2027 forward outlook (Medtronic’s FY2027 begins April 25, 2026, covering the period that overlaps with Dexcom’s Q2–Q4 2026)

Peer Commentary Summary Table

Peer

Event / Disclosure Date

Key Theme

DXCM Signal

Abbott (ABT)

Jul 16, 2026 (Q2 Earnings)

CGM +9.5% in Q2; CMS coverage “could happen in the fall”; 75–80M global CGM opportunity

Positive

Insulet (PODD)

Jun 3, 2026 (William Blair Conference)

Guidance raised to 21–23%; higher new starts in 2026; Omnipod 5 now compatible with Libre 3 Plus

Mixed (positive on market; negative on Libre compatibility)

Insulet (PODD)

Jun 8, 2026 (ADA Investor Event)

GLP-1 complementary to CGM; Omnipod 6 STRIVE results; Evolve Type 2 closed-loop trial started

Positive

Tandem (TNDM)

Jun 8, 2026 (Goldman Sachs Conference)

GLP-1 risk resolved; 2026 growth continues; Mobi tubeless H2 launch; pharmacy channel at 40% coverage

Positive

Senseonics (SENS)

Jun 6, 2026 (Analyst Event)

CGM CAGR moderating to high teens/20%; transcutaneous CGM “coalesced to same product”; reliability issues referenced

Mildly Negative

Medtronic (MDT)

Jun 3, 2026 (Q4 FY2026 Earnings)

FY2027 guidance includes Diabetes; separation structure undecided; “strong momentum” entering FY2027

Mixed

Overall Peer Read-Through Assessment: The peer commentary since May 30 is net positive for Dexcom heading into Q2 earnings. The most important signal is Abbott’s independent corroboration of a “fall 2026” CMS coverage timeline — a catalyst not in consensus numbers. GLP-1 complementarity is now confirmed by two AID companies (Insulet and Tandem), removing a key bear thesis. The one notable negative is Insulet’s Libre 3 Plus compatibility announcement (June 3), which creates a new pathway for AID adoption that bypasses Dexcom CGM — a competitive dynamic to monitor in new patient start data. The CGM market growth rate of 8–10% without reimbursement unlocks (per Abbott) sets a reasonable baseline against which Dexcom’s 11–13% guidance implies modest outperformance.