The company
Tandem Diabetes Care, Inc.
TNDM · Nasdaq
TNDM stood above a rising 150-day average in 22 of the last 52 weekly readings, and has been out of that trend for the last 6 weeks. It is 9.6% below that average now. Medical Devices: 29% of its 181 stocks in an uptrend (−5 points in four weeks); Health Care: 28% (−9 points in four weeks).
Statistics
- Rotation
- Not moving yet
- Weeks in an uptrend
- out for 6
- Industry in uptrend
- 29% -5 in 4 wk
- Insider buys, 12 months
- $0
- Insider sales, 12 months
- $8,712
- Officials’ trades on record
- 13
- Institutions holding
- 253 (+1)
In the rotation
Each square a week: lit when it closed above a rising 150-day average. 22 of 52 weeks.
Medical Devices: A minority of its stocks are in an uptrend and the share has been slipping. Health Care: A minority of its stocks are in an uptrend and the share has fallen sharply over four weeks.
Money in and out
Open-market buys above the line and sales below, in dollars.
Congress and officials
13 disclosed lines: House 8, Senate 0, executive 5; 5 people.
| Who | Did | Amount | Traded |
|---|---|---|---|
| Gilbert Ray Cisneros, Jr. House: U.S. House ClerkCA31 | bought | $1k–$15k | 29 Sep 2026filed 12 Oct 2026 |
| Donald J. Trump Executive branch: Office of Government EthicsWhite House Office | sold | $15k–$50k | 29 Jul 2026filed 22 Sep 2026 |
| Donald J. Trump Executive branch: Office of Government EthicsWhite House Office | bought | $15k–$50k | 17 Jul 2026filed 22 Sep 2026 |
| Donald J. Trump Executive branch: Office of Government EthicsWhite House Office | sold | $1k–$15k | 15 May 2026filed 1 Jul 2026 |
| Donald J. Trump Executive branch: Office of Government EthicsWhite House Office | sold | $15k–$50k | 30 Mar 2026filed 14 May 2026 |
| Donald J. Trump Executive branch: Office of Government EthicsWhite House Office | bought | $15k–$50k | 4 Mar 2026filed 14 May 2026 |
| Gilbert Ray Cisneros, Jr. House: U.S. House ClerkCA31 | bought | $1k–$15k | 3 Mar 2026filed 7 Apr 2026 |
| Josh Gottheimer House: U.S. House ClerkNJ05 | boughtjoint | $1k–$15k | 22 Sep 2025filed 15 Oct 2025 |
| Josh Gottheimer House: U.S. House ClerkNJ05 | soldjoint | $1k–$15k | 19 Mar 2025filed 10 Apr 2025 |
| Gilbert Ray Cisneros, Jr. House: U.S. House ClerkCA31 | bought | $1k–$15k | 4 Mar 2025filed 7 Apr 2025 |
| Josh Gottheimer House: U.S. House ClerkNJ05 | boughtjoint | $1k–$15k | 5 Aug 2024filed 11 Sep 2024 |
| Daniel S. Goldman House: U.S. House ClerkNY10 | sold | $1k–$15k | 12 Jul 2023filed 13 Aug 2023 |
Insiders
| Who | Did | Shares | Traded |
|---|---|---|---|
| Mark David NovaraEVP & CHIEF COMMERCIAL OFFICER | sold | 187at $23.05 | 17 Mar 2026filed 18 Mar 2026 |
| Mark David NovaraEVP & CHIEF COMMERCIAL OFFICER | sold | 2at $22.81 | 5 Mar 2026filed 9 Mar 2026 |
Lines filed since 2 January 2026, newest first; every insider’s older lines are on their own page.
Institutions
Quarter to 30 Jun 2026, against 31 Mar 2026; newest filing 31 Aug 2026.
| Manager | Shares | Change |
|---|---|---|
| BlackRock, Inc.added · filed 7 Aug 2026 | 11,583,125$174.8M | +892,281+8.3% |
| Sessa Capital IM, L.P.added · filed 14 Aug 2026 | 5,100,000$77.0M | +369,243+7.8% |
| VANGUARD PORTFOLIO MANAGEMENT LLCadded · filed 13 Aug 2026 | 4,299,667$64.9M | +306,334+7.7% |
| First Light Asset Management, LLCadded · filed 14 Aug 2026 | 3,383,553$51.1M | +2,068,838+157.4% |
| VANGUARD CAPITAL MANAGEMENT LLCadded · filed 13 Aug 2026 | 3,096,536$46.7M | +57,617+1.9% |
| STATE STREET CORPadded · filed 7 Aug 2026 | 2,851,646$43.0M | +189,386+7.1% |
| JENNISON ASSOCIATES LLCadded · filed 3 Aug 2026 | 2,331,429$35.2M | +672,981+40.6% |
| Paradice Investment Management LLCreduced · filed 5 Aug 2026 | 2,024,014$30.5M | -18,411−0.9% |
| JACOBS LEVY EQUITY MANAGEMENT, INCadded · filed 14 Aug 2026 | 2,006,429$30.3M | +482,483+31.7% |
| Freestone Grove Partners LPadded · filed 14 Aug 2026 | 1,866,134$28.2M | +535,392+40.2% |
Everyone who traded it
Same industry
Government contracts
No federal award is tied to it.
From its SEC filings
Analyst forecasts
No analyst forecasts yet.