Follow-The-Filings

Security · featured owners

TNDM Tandem Diabetes Care Inc.

COM NEW Equity as of 2026 Q2 among managers we track

  • 1 Owner
  • Max 1.0%
  • $5M

Who owns this now

Largest portfolio weights among featured holders · max 1.0% (Nathan Fischel - Dafna Ca...) · not free-float ownership

  1. Nathan Fischel 1.0%

holders

sorted by value · long equity only · current book 2026 Q2 · open a manager for their book

history
Nathan Fischel - Dafna Capital Management 2026 Q2 1.0% Hold 355,208 $5M history

1 current · options excluded

financials

US-GAAP annual · as tagged in Form 10-K · fiscal years · values link to the SEC filing

Income statement

Metric FY2023 FY2024 FY2025
Revenue $747.72M $940.2M $1.01B
Gross profit $367.69M $489.57M $546.01M
Gross margin * 49.2% 52.1% 53.8%
Net income -$222.61M -$96.02M -$204.71M
Net margin * -29.8% -10.2% -20.2%

Balance sheet

Metric FY2023 FY2024 FY2025
Total current assets $747.99M $724.49M $618.14M
Total non-current assets * $204.67M $243.17M $262.97M
Total assets $952.66M $967.66M $881.11M
Total current liabilities $195.26M $247.05M $242.72M
Total non-current liabilities * $443.77M $457.51M $483.22M
Total equity $313.63M $263.1M $155.17M

Cash flow

Metric FY2023 FY2024 FY2025
Cash from operations -$31.81M $24.22M -$9.72M
Cash from investing -$85.74M -$23.48M $72.88M
Cash from financing $4.11M $8.37M -$43.37M
Net change in cash -$113.65M $10.37M $21.4M

Source: SEC companyfacts (US-GAAP 10-K) · * = computed (not a single XBRL tag) · fiscal year as labeled by the issuer · not adjusted or audited by Follow-The-Filings

ownership over time

filing count by report period · click a bar for that quarter’s holders