Alexion Pharmaceuticals, Inc.

1. Rady Childrens Hospital - San Diego Teaching hospital · CA $5,510,000 3 payments
2. National Jewish Health Teaching hospital · CO $339,716 34 payments
3. Brigham And Womens Hospital Teaching hospital · MA $250,840 8 payments
4. Steven Petak Endocrinology, Diabetes & Metabolism · Houston, TX $127,104 200 payments
5. Perry Shieh Neurology · Los Angeles, CA $125,670 177 payments
6. Zsila Sadighi Neurology · Houston, TX $125,618 185 payments
7. Tuan Vu Neurology · Tampa, FL $117,707 128 payments
8. Eric Rush Clinical Genetics (M.D.) · Kansas City, MO $114,229 104 payments
9. Daniel Long Neurology · Neenah, WI $100,089 81 payments
10. Christopher Scheiner Neurology · Dayton, OH $85,992 82 payments

1. Brigham And Womens Hospital Teaching hospital · MA $2,442,020 11 payments
2. Vanderbilt University Medical Center Teaching hospital · TN $1,800,229 12 payments
3. Ut Southwestern Medical Center At Dallas $783,160 6 payments
4. Trustees of Columbia University $680,020 4 payments
5. Washington University In Saint Louis $652,163 7 payments
6. Ohio State University Research Compliance $643,272 14 payments
7. U Of U Hospitals & Clinics Teaching hospital · UT $579,526 9 payments
8. Cleveland Clinic Hospital Teaching hospital · OH $571,656 7 payments
9. Duke University School Of Medicine Office Of Continuing Medical Education $491,620 12 payments
10. Langley Porter Psychiatric Hospital Teaching hospital · CA $446,441 5 payments

1. Ultomiris Rare Disease $4,444,569 75% · 10,670 recipients
2. Strensiq Rare Disease $668,722 11% · 3,839 recipients
3. Koselugo Oncology $634,876 11% · 950 recipients
4. Soliris Rare Disease $180,694 3% · 233 recipients
5. Kanuma Rare Disease $6,945 <1% · 1 recipient

The top 5 of 6 products; each share is of this company’s general payments naming a product in 2025. A payment can name up to five products, so these amounts overlap.

The top 25 products, free in the app

1. Neurology Psychiatry & Neurology $3,234,367 37% · 2,380 practitioners
2. Nephrology Internal Medicine $770,384 9% · 879 practitioners
3. Pediatric Hematology-Oncology Pediatrics $480,130 6% · 155 practitioners
4. Hematology & Oncology Internal Medicine $426,466 5% · 1,050 practitioners
5. Endocrinology, Diabetes & Metabolism Internal Medicine $403,761 5% · 855 practitioners

The top 5 of 202 specialties; each share is of this company’s general payments to practitioners with a specialty in 2025. Each practitioner is counted under their primary specialty.

The top 25 specialties, free in the app

1. California $6,894,713 44% · 1,486 recipients
2. Massachusetts $811,649 5% · 217 recipients
3. Texas $727,165 5% · 1,432 recipients
4. Florida $698,804 4% · 1,621 recipients
5. New York $541,588 3% · 1,159 recipients

The top 5 of 52 states; each share is of this company’s general payments in 2025 where a state was reported.

The top 25 states, free in the app

1. Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program $35,760,845 11,779 payments
2. Consulting Fee $13,147,404 4,498 payments
3. Food and Beverage $6,704,270 202,019 payments
4. Travel and Lodging $4,901,546 15,771 payments
5. Space rental or facility fees (teaching hospital only) $2,706,042 753 payments
6. Royalty or License $2,208,595 55 payments
7. Grant $807,442 24 payments
8. Gift $298,672 90 payments
9. Education $292,298 3,264 payments
10. Charitable Contribution $290,929 140 payments