Tandem Diabetes Care Inc

TNDM
As of the close on Sep 25, 2026
Price
$15.72
Market cap
$1.09B
P/E (diluted TTM)
—
Not meaningful: the last four quarters were a loss
EPS (TTM)
−$0.93
Four quarters to Jun 30, 2026
Dividend yield
—
Dividend records do not yet cover the latest payments

Figures shown here come from public SEC filings. Dates beside each section show the available history.

How Tandem Diabetes Care Inc Makes Money

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From revenue to net income

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Source: Tandem Diabetes Care Inc — 10-Q filed Aug 6, 2026

Financial Summary

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SEC filings supply these figures; updates after the dates shown are not included. This page includes 14 annual periods. The latest annual period ends Dec 31, 2025. The latest insider filing shown is dated Jun 4, 2026. The latest institutional report shown is dated Mar 31, 2026; other ownership filings may exist.

Ownership

Who holds the shares, as reported in SEC ownership filings.

Reported 13F positions

Each row shows what a filer reported for one date, not a current position. The link opens that filing.

Filer Report date Shares Value Filing
Cerity Partners LLC 2026-03-31 76,228 $1.46M SEC filing
CITIGROUP INC 2026-03-31 68,346 $1.31M SEC filing
ARIZONA STATE RETIREMENT SYSTEM 2026-03-31 18,623 $357K SEC filing
Susquehanna Portfolio Strategies, LLC 2026-03-31 206,193 $3.95M SEC filing
RAYMOND JAMES FINANCIAL INC 2026-03-31 125,345 $2.4M SEC filing
SECTOR GAMMA AS 2026-03-31 267,091 $5.12M SEC filing
First Light Asset Management, LLC 2026-03-31 1,314,715 $25.2M SEC filing
Assenagon Asset Management S.A. 2026-03-31 178,640 $3.42M SEC filing
NEUBERGER BERMAN GROUP LLC 2026-03-31 16,069 $308K SEC filing
GOLDMAN SACHS GROUP INC 2026-03-31 2,218,922 $42.5M SEC filing
ROTHSCHILD INVESTMENT LLC 2026-03-31 133 $2.55K SEC filing
Keating Financial Advisory Services, Inc. 2026-03-31 77 $1.48K SEC filing
Advisory Services Network, LLC 2026-03-31 8,274 $159K SEC filing
Bayforest Capital Ltd 2026-03-31 7,265 $139K SEC filing
BlackRock, Inc. 2026-03-31 10,690,844 $205M SEC filing
YOUSIF CAPITAL MANAGEMENT, LLC 2026-03-31 18,450 $354K SEC filing
NISA INVESTMENT ADVISORS, LLC 2026-03-31 2,782 $53.3K SEC filing
State of Tennessee, Department of Treasury 2026-03-31 14,647 $281K SEC filing
Mariner, LLC 2026-03-31 33,008 $633K SEC filing
TWO SIGMA INVESTMENTS, LP 2026-03-31 1,864,194 $35.7M SEC filing

120 filers have only one report here.

Purchases & sales (open market or private)

SecurityCodePriceFiling
2026-03-17Novara Mark David · EVP & CHIEF COMMERCIAL OFFICERCommon StockS — Open market or private sale−18723.05SEC filing
2026-03-05Novara Mark David · EVP & CHIEF COMMERCIAL OFFICERCommon StockS — Open market or private sale−222.81SEC filing

Showing 2 of 2 rows

Grants, exercises, tax & gifts

SecurityCodeFiling
2026-06-02Gasser Elizabeth Anne · EVP, Chief Strategy OfficerCommon StockG — Bona fide gift−7,160SEC filing
2026-06-02Gasser Elizabeth Anne · EVP, Chief Strategy OfficerCommon StockG — Bona fide gift+7,160SEC filing
2026-05-29Gasser Elizabeth Anne · EVP, Chief Strategy OfficerRestricted Stock UnitA — Grant, award, or other acquisition+29,136SEC filing
2026-05-29Vosseller Leigh · EVP & CHIEF FINANCIAL OFFICERRestricted Stock UnitA — Grant, award, or other acquisition+62,657SEC filing
2026-05-29Carpenter Rick · EVP & Chief Technology OfficerRestricted Stock UnitA — Grant, award, or other acquisition+26,003SEC filing
2026-05-29Hansen Shannon Marie · EVP & Chief Legal OfficerRestricted Stock UnitA — Grant, award, or other acquisition+29,136SEC filing
2026-05-29Kyrillos Jean-Claude · EVP & Chief Operating OfficerRestricted Stock UnitA — Grant, award, or other acquisition+29,136SEC filing
2026-05-29Morrison Susan · EVP & Chief Admin. OfficerRestricted Stock UnitA — Grant, award, or other acquisition+29,136SEC filing

Showing 8 of 32 rows

Other activity

SecurityCodeFiling
2025-12-04Gasser Elizabeth Anne · EVP, Chief Strategy OfficerCommon StockJ — Other acquisition or disposition−3,000SEC filing
2025-12-04Gasser Elizabeth Anne · EVP, Chief Strategy OfficerCommon StockJ — Other acquisition or disposition+3,000SEC filing

Showing 2 of 2 rows

These tables describe filed transactions, not current holdings. Prices are shown as filed; a currency is added only when the filing's data names one. Amended and possible duplicate rows are left out of size comparisons and transaction groups.