US Pharma & Biotech Oncology - PPC Market Share Analysis May 2026

Leveraging Adthena’s Whole Market View, this analysis explores recent trends in Google Ads for the US Oncology category from the last month. Our Data Analyst, Ask Arlo provides commentary on key findings.

Oncology – US

Google AI Overview visibility for Pharma & Biotech Oncology US

See how often AIOs appear and how search intent is distributed across buying signals.

AIO Frequency

How often a Google AI overview appears on search terms relevant to this category.

Frequency Percentage
Frequency 74.4750456372
25.5249543628
74%

Complex Query Frequency

A complex query is a longer, more detailed search that often contains multiple keywords, specific conditions, or multi-part questions.

Frequency Percentage
Frequency 38
62
38%

Search Intent Distribution

Breakdown of search queries by their underlying goal.

Intent Distribution
Investigational 3%
Transactional 2%
Navigational 0%
Seasonal 0%
Local 0%
Problem Solving 24%

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Market Exposure

Share of Clicks for top 10 US Pharma & Biotech Oncology brands

Here are the Top 10 competitors in the industry by Share of Clicks for the last month.

Share of Clicks - Last month
Share of Clicks - Last month
Domain Share of clicks
themmrf.org 5.11
kisqali-hcp.com 4.2
mayoclinic.org 4.14
keytruda.com 4.02
kisqali.com 3.99
lilly.com 2.87
ibrance.com 2.54
breyanzi.com 2.4
imbcr.org 2.2
epkinly.com 2.13
others 66.4
  • themmrf.org - 5.11%
  • kisqali-hcp.com - 4.2%
  • mayoclinic.org - 4.14%
  • keytruda.com - 4.02%
  • kisqali.com - 3.99%
  • lilly.com - 2.87%
  • ibrance.com - 2.54%
  • breyanzi.com - 2.4%
  • imbcr.org - 2.2%
  • epkinly.com - 2.13%
  • others - 66.4%

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In the oncology PPC landscape, ‘others’ dominate with 66.4% click share, overshadowing top contenders like themmrf.org at 5.11% and kisqali-hcp.com at 4.2%.

Market Exposure

Share of Spend for the top 10 US Pharma & Biotech Oncology brands

Curious about your market position? Here you can see the Top 10 competitors in the industry by Share of Spend for the last month. 

Share of Spend - Last Month
Share of Spend - Last Month
Date kisqali.com kisqali-hcp.com keytruda.com themmrf.org mayoclinic.org lilly.com breyanzi.com opdivo.com trodelvy.com ibrance.com
2026/05/01 13.88% 9.06% 3.69% 3.61% 2.21% 3.27% 2.96% 2.34% 1.97% 4.69%
2026/05/02 9.14% 7.13% 3.84% 3.73% 1.49% 3.1% 2.52% 2.86% 2.05% 4.17%
2026/05/03 10.66% 8.27% 4.21% 2.87% 2.64% 2.77% 3.1% 2.3% 1.89% 4.64%
2026/05/04 10.6% 7.59% 3.6% 1.96% 1.89% 3.32% 3.11% 2.17% 1.98% 4.7%
2026/05/05 8.12% 6.21% 4.16% 6.81% 2% 2.51% 3.33% 2.23% 2.13% 4.2%
2026/05/06 9.75% 7.09% 2.12% 4.53% 2.01% 3.59% 2.07% 1.87% 1.78% 2.86%
2026/05/07 12.02% 8.94% 2.45% 3.41% 2% 3.93% 3.07% 1.33% 2.53% 3.51%
2026/05/08 12.48% 8.13% 3.75% 4.48% 1.22% 3.42% 2.12% 2.13% 2.17% 3.71%
2026/05/09 7.26% 6.51% 3.8% 4.55% 1.25% 3.46% 2.01% 2.5% 2.26% 3.95%
2026/05/10 6.58% 5.95% 4.56% 3.13% 3.17% 3.4% 1.74% 2.71% 2.25% 4.3%
2026/05/11 9.24% 6.84% 3.12% 7.65% 1.69% 2.96% 1.88% 2.12% 1.97% 2.52%
2026/05/12 10.32% 7.11% 3.62% 4.07% 1.76% 2.91% 1.92% 2.21% 2.19% 3.08%
2026/05/13 10.87% 8.18% 3.39% 6.62% 1.81% 3.08% 1.62% 2.1% 2.53% 3.31%
2026/05/14 10.95% 6.75% 3.72% 4.79% 3.21% 3.62% 1.84% 2.42% 2.05% 2.97%
2026/05/15 12.45% 8.11% 3.74% 4.47% 1.22% 3.41% 2.12% 2.12% 2.16% 3.7%
2026/05/16 8.6% 6.54% 3.51% 4.7% 3.77% 3.07% 2.06% 2.31% 2.19% 2.57%
2026/05/17 10.55% 6.79% 3.46% 3.39% 4.13% 3.09% 1.71% 2.42% 2.49% 2.65%
2026/05/18 9.88% 6.73% 4.17% 3.18% 3.23% 3.4% 1.72% 2.12% 2.16% 3.01%
2026/05/19 11.06% 6.55% 3.48% 4.34% 3.98% 2.55% 2.06% 2.22% 2.49% 3.4%
2026/05/20 9.21% 5.73% 3.56% 6.96% 3.28% 3.21% 1.6% 2.02% 2.49% 2.77%
2026/05/21 8.63% 6.23% 3.18% 3.75% 2.58% 3.05% 1.59% 2.1% 1.97% 2.32%
2026/05/22 8.11% 6.38% 3.52% 3.15% 3.41% 3.78% 1.85% 2.42% 2.16% 2.93%
2026/05/23 7.55% 5.77% 3.88% 5.09% 3.01% 2.9% 1.85% 2.23% 2.15% 2.95%
2026/05/24 9.61% 6.68% 3.29% 2.84% 3.12% 3.03% 2.19% 1.92% 1.95% 3.02%
2026/05/25 8.92% 5.38% 3.98% 3.06% 2.69% 3.08% 1.86% 2.05% 2.26% 3.14%
2026/05/26 8.68% 4.13% 3.14% 3.82% 5.05% 2.63% 2.01% 1.99% 1.83% 2.58%
2026/05/27 10.21% 6.55% 3.84% 2.52% 4.91% 3% 2.75% 1.83% 1.9% 2.54%
2026/05/28 7.96% 7.32% 4.19% 3.43% 3.1% 3.41% 1.89% 1.92% 1.91% 2.56%
2026/05/29 9.48% 7.26% 3.44% 3.11% 2.2% 3.57% 2.2% 1.84% 1.91% 2.08%
2026/05/30 7.75% 6.99% 3.56% 4.28% 2.57% 3.12% 2.44% 1.9% 1.73% 2.26%
2026/05/31 7.89% 6.7% 3.72% 3.25% 3.1% 2.94% 2.44% 2.4% 1.96% 1.95%
  • kisqali.com
  • kisqali-hcp.com
  • keytruda.com
  • themmrf.org
  • mayoclinic.org
  • lilly.com
  • breyanzi.com
  • opdivo.com
  • trodelvy.com
  • ibrance.com

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In May 2026, kisqali.com led with fluctuating spend, peaking early at 13.88%. Kisqali-hcp.com and keytruda.com followed, showing steady trends. Themmrf.org spiked mid-month, while mayoclinic.org and lilly.com maintained moderate levels. Breyanzi.com and opdivo.com had consistent low spend, with trodelvy.com and ibrance.com trailing. The month ended with kisqali.com still dominant.

Market Exposure

Competitor Count for US Pharma & Biotech Oncology

Ever wondered how many competitors you’re up against in your industry? Well look no further, here we can see the number of advertisers bidding over the last month. 

Competitor Count - Last month
Competitor Count - Last month
Date Competitor Count
2026/05/01 413
2026/05/02 410
2026/05/03 415
2026/05/04 427
2026/05/05 428
2026/05/06 410
2026/05/07 425
2026/05/08 416
2026/05/09 407
2026/05/10 416
2026/05/11 434
2026/05/12 439
2026/05/13 443
2026/05/14 450
2026/05/15 416
2026/05/16 435
2026/05/17 438
2026/05/18 450
2026/05/19 433
2026/05/20 432
2026/05/21 443
2026/05/22 436
2026/05/23 442
2026/05/24 439
2026/05/25 455
2026/05/26 457
2026/05/27 474
2026/05/28 455
2026/05/29 460
2026/05/30 450
2026/05/31 455

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In May 2026, distinct advertisers on Google SERP began at 413, fluctuated, and peaked at 474. The month concluded with a strong presence of 455 advertisers.

Campaign Efficiency

Market Loss & Market Gains for US Pharma & Biotech Oncology

Here we’re looking at the Top 10 biggest industry movers by market share gains and losses for the last 30 days.

Market Loss & Market Gains - Last month
Market Loss & Market Gains - Last month
Name Market Trend
brukinsa.com 1.9%
mayoclinic.org 1.67%
imbcr.org 0.78%
tgen.org 0.75%
epkinly.com 0.62%
lymphoma.org -0.49%
epkinlyhcp.com -0.57%
kisqali.com -0.62%
ibrance.com -0.82%
themmrf.org -1.24%

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In the past month, brukinsa.com and mayoclinic.org saw significant click share increases, while themmrf.org and ibrance.com experienced notable declines.

Campaign Efficiency

US Pharma & Biotech Oncology Share of Impressions

Take a look at the Top 10 competitors in the industry by Share of Impressions over the last month.

Date imbcr.org kisqali-hcp.com mdanderson.org themmrf.org breyanzi.com mayoclinic.org lilly.com epkinly.com keytruda.com ibrance.com
2026/05/01 2.78% 5.87% 2.36% 3.72% 4.09% 2.26% 3.45% 2.3% 2.06% 4.29%
2026/05/02 3.53% 5.5% 2.84% 3.87% 2.93% 1.72% 3.05% 1.62% 2.16% 3.56%
2026/05/03 2.33% 5.98% 2.16% 2.96% 3.81% 2.38% 2.96% 1.49% 2.82% 4.1%
2026/05/04 2.46% 5.14% 1.05% 2.24% 4.62% 1.93% 3.47% 1.66% 2.32% 4.06%
2026/05/05 2.18% 4.44% 1.02% 6.18% 4.17% 2.1% 2.8% 1.9% 2.59% 3.56%
2026/05/06 1.62% 5.19% 1.9% 4.42% 2.26% 1.53% 3.35% 2.35% 1.34% 2.54%
2026/05/07 0.37% 6.23% 0.68% 3.64% 4.02% 2.89% 3.56% 2.09% 1.32% 3.25%
2026/05/08 2.76% 5.39% 1.73% 4.75% 2.93% 1.4% 3.52% 2.37% 2.42% 3.39%
2026/05/09 1.9% 5.11% 4.18% 4.57% 2.34% 1.53% 3.43% 2.19% 2.24% 3.05%
2026/05/10 2.78% 4.4% 3.09% 3.31% 2.32% 2.9% 3.83% 1.95% 2.75% 3.37%
2026/05/11 2.07% 4.67% 1.24% 6.8% 2.29% 1.98% 3% 2.1% 1.93% 1.71%
2026/05/12 1.53% 4.69% 1.26% 4.44% 2.39% 2.1% 3.78% 2.93% 2.48% 2.19%
2026/05/13 2.1% 5.56% 1.33% 6.16% 2.05% 1.87% 3.51% 2.68% 2.24% 2.51%
2026/05/14 4.04% 4.36% 1.24% 5.25% 2.34% 2.7% 4.17% 2.14% 2.57% 2.16%
2026/05/15 2.76% 5.39% 1.73% 4.75% 2.93% 1.4% 3.52% 2.37% 2.42% 3.39%
2026/05/16 5.2% 4.7% 3.79% 4.63% 2.47% 3.29% 2.62% 2.12% 2.1% 1.72%
2026/05/17 3.55% 4.67% 3.46% 3.86% 2.17% 3.77% 2.89% 2.13% 2% 1.97%
2026/05/18 2.67% 4.33% 1.4% 3.4% 2.07% 3.43% 3.47% 3.04% 2.93% 2.11%
2026/05/19 3.06% 4.19% 1.13% 4.42% 2.46% 3.59% 2.95% 5.11% 2.51% 2.35%
2026/05/20 1.76% 3.88% 0.8% 6.59% 1.98% 2.93% 3.38% 2.19% 2.36% 1.95%
2026/05/21 3.33% 4.38% 3.08% 3.94% 1.77% 2.7% 3.5% 2.83% 2.17% 1.73%
2026/05/22 3.63% 4.87% 2.33% 3.25% 2.48% 3.09% 3.5% 2.46% 2.37% 2%
2026/05/23 3.76% 4.55% 2.86% 4.99% 2.13% 3.07% 2.79% 2% 2.61% 1.97%
2026/05/24 2.67% 4.76% 2.85% 2.94% 2.51% 3.4% 2.68% 2.74% 1.93% 2.07%
2026/05/25 4.61% 4.49% 1.76% 3.19% 2.11% 2.96% 2.86% 1.85% 2.93% 2.11%
2026/05/26 2.81% 3.39% 1.88% 3.91% 2.09% 5% 2.68% 2.03% 2.07% 1.63%
2026/05/27 2.47% 5.34% 2.21% 2.51% 3.17% 5.1% 3.15% 3.25% 2.55% 1.53%
2026/05/28 3.51% 5.8% 1.91% 3.47% 2.35% 2.89% 3.25% 3.26% 2.95% 1.71%
2026/05/29 4.69% 5.33% 1.94% 3.08% 2.79% 2.66% 3.15% 4.21% 2.5% 1.54%
2026/05/30 4.76% 5.77% 2.77% 4% 3.02% 3.23% 2.92% 3.88% 2.26% 1.57%
2026/05/31 6.82% 5.48% 3.76% 3.34% 3.05% 2.96% 2.95% 2.56% 2.26% 1.25%
  • imbcr.org
  • kisqali-hcp.com
  • mdanderson.org
  • themmrf.org
  • breyanzi.com
  • mayoclinic.org
  • lilly.com
  • epkinly.com
  • keytruda.com
  • ibrance.com

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In May 2026, “imbcr.org” saw a fluctuating trend, peaking at 6.82% on the 31st. “kisqali-hcp.com” maintained a steady presence, ending at 5.48%. “mdanderson.org” experienced a rise, closing at 3.76%. “themmrf.org” showed consistent activity, finishing at 3.34%. “breyanzi.com” had a stable month, ending at 3.05%. “mayoclinic.org” saw varied performance, closing at 2.96%. “lilly.com” remained steady, ending at 2.95%. “epkinly.com” had a notable peak on the 19th, finishing at 2.56%. “keytruda.com” maintained consistency, closing at 2.26%. “ibrance.com” experienced a decline, ending at 1.25%.

Campaign Efficiency

Google Text Ad Copy Insights & Creative Trends for US Pharma & Biotech Oncology

Ever wondered how your rivals’ ads are doing? Here we can see the top-performing ads in the industry over the last month.

Google Text Ad Copy Insights & Creative Trends for US Pharma & Biotech Oncology - Last month
  1. 1
    CAR-T Therapy https://www.gotoper.com

    CAR-T in Practice — A community-based roadmap to CAR-T therapy: Optimizing delivery and outcomes. Earn CE credits virtually with this 4-part webinar series in hematology.

  2. 2
    Understanding HER2+ eBC | Early Stage Breast Cancer Info https://www.her2empowered.com › patient › resource

    Use The HER2Empowered Patient Tool To Learn About Select Treatment Paths & Outcomes.

  3. 3
    What is Myeloma? | Early Signs of Myeloma https://www.imbcr.org › myeloma

    There are no disease-related symptoms In smoldering myeloma.

  4. 4
    KEYTRUDA® (pembrolizumab) - Official Patient Site https://www.keytruda.com/patient-site

    Find More Information About KEYTRUDA on the Official Patient Site. Learn More Here.

  5. 5
    HR+, HER2- Breast Cancer Info - mBC Overall Survival Results

    HCPs, Learn About HR+, HER2- Metastatic Breast Cancer And Discover A 1L Treatment Option.

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In the competitive landscape of oncology PPC ads, “CAR-T Therapy” by gotoper.com stands out with its educational approach, offering a virtual CE credit series. HER2Empowered.com empowers patients with treatment insights, while imbcr.org provides early myeloma detection information. Keytruda.com emphasizes official resources, and kisqali-hcp.com targets healthcare professionals with metastatic breast cancer treatment options.

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