Tandem Diabetes Care Inc
TNDM- Exchange
- Nasdaq
- Industry
- Surgical & Medical Instruments & Apparatus
- SEC CIK
- 0001438133
No open-market purchases or sales by Tandem Diabetes Care Inc insiders were filed in the last 90 days; 274 institutions reported holding it in 13F filings for Q2 2026, worth $1.19B in total; no superinvestor holds it.
13F holders, Q4 2022
Institutional positions in Tandem Diabetes Care Inc as of Dec 31, 2022. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 295
- +2 vs. Q3 2022
- Shares held
- 64.3M
- +2.20M (+3.5%) vs. Q3 2022
- Total value
- $2.89B
- −$85.1M (−2.9%) vs. Q3 2022
- New holders
- 50
- 110 more added
- Sold out
- 48
- 101 more reduced
6 institutions that held it in Q3 2022 haven't filed for Q4 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2022: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting TNDM on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 274 | $1.19B |
| Q1 2026 | 274 | $1.51B |
| Q4 2025 | 269 | $1.65B |
| Q3 2025 | 255 | $911.3M |
| Q2 2025 | 271 | $1.51B |
| Q1 2025 | 275 | $1.40B |
| Q4 2024 | 316 | $2.60B |
| Q3 2024 | 332 | $3.10B |
| Q2 2024 | 317 | $2.96B |
| Q1 2024 | 291 | $2.63B |
| Q4 2023 | 268 | $2.10B |
| Q3 2023 | 226 | $1.45B |
| Q2 2023 | 247 | $1.65B |
| Q1 2023 | 274 | $2.77B |
| Q4 2022 | 295 | $2.89B |
| Q3 2022 | 299 | $3.00B |
| Q2 2022 | 331 | $3.64B |
| Q1 2022 | 379 | $6.92B |
| Q4 2021 | 388 | $9.09B |
| Q3 2021 | 338 | $7.32B |
| Q2 2021 | 303 | $5.75B |
| Q1 2021 | 290 | $5.08B |
Institutions, Q4 2022
Shares, value and share of portfolio for each institution holding Tandem Diabetes Care Inc; share changes are against Q3 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| RTW Investments, LP | 0 | $0 | 0.00% | −322,000−100.0% | Sold out |
| Emerald Advisers, LLC | 0 | $0 | 0.00% | −298,210−100.0% | Sold out |
| Intrinsic Edge Capital Management LLC | 0 | $0 | 0.00% | −247,391−100.0% | Sold out |
| Wasatch Advisors Inc | 0 | $0 | 0.00% | −241,295−100.0% | Sold out |
| Emerald Mutual Fund Advisers Trust | 0 | $0 | 0.00% | −240,460−100.0% | Sold out |
| Gilder Gagnon Howe & Co LLC | 0 | $0 | 0.00% | −215,980−100.0% | Sold out |
| Polar Asset Management Partners Inc. | 0 | $0 | 0.00% | −117,200−100.0% | Sold out |
| Pura Vida Investments, LLC | 0 | $0 | 0.00% | −75,000−100.0% | Sold out |
| Renaissance Technologies LLC | 0 | $0 | 0.00% | −67,400−100.0% | Sold out |
| DekaBank Deutsche Girozentrale | 0 | $0 | 0.00% | −32,000−100.0% | Sold out |
| Susquehanna Fundamental Investments, LLC | 0 | $0 | 0.00% | −32,935−100.0% | Sold out |
| Landscape Capital Management, L.L.C. | 0 | $0 | 0.00% | −32,850−100.0% | Sold out |
| UBS Oconnor LLC | 0 | $0 | 0.00% | −26,630−100.0% | Sold out |
| Point72 Hong Kong Ltd | 0 | $0 | 0.00% | −11,734−100.0% | Sold out |
| Chimera Capital Management LLC | 0 | $0 | 0.00% | −11,645−100.0% | Sold out |
| Vontobel Holding Ltd. | 0 | $0 | 0.00% | −11,287−100.0% | Sold out |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −10,138−100.0% | Sold out |
| Centiva Capital, LP | 0 | $0 | 0.00% | −9,459−100.0% | Sold out |
| Dynamic Technology Lab Private Ltd | 0 | $0 | 0.00% | −8,520−100.0% | Sold out |
| Cresset Asset Management, LLC | 0 | $0 | 0.00% | −7,460−100.0% | Sold out |
| Guggenheim Capital LLC | 0 | $0 | 0.00% | −7,583−100.0% | Sold out |
| Tudor Investment Corp Et Al | 0 | $0 | 0.00% | −7,408−100.0% | Sold out |
| AlphaCrest Capital Management LLC | 0 | $0 | 0.00% | −6,989−100.0% | Sold out |
| Silvant Capital Management LLC | 0 | $0 | 0.00% | −6,011−100.0% | Sold out |
| Jupiter Asset Management Ltd | 0 | $0 | 0.00% | −5,564−100.0% | Sold out |
| Two Sigma Securities, LLC | 0 | $0 | 0.00% | −5,168−100.0% | Sold out |
| Partners Group Holding AG | 0 | $0 | 0.00% | −4,647−100.0% | Sold out |
| Truist Financial Corp | 0 | $0 | 0.00% | −4,625−100.0% | Sold out |
| Oppenheimer & Co Inc | 0 | $0 | 0.00% | −4,536−100.0% | Sold out |
| Tocqueville Asset Management L.P. | 0 | $0 | 0.00% | −4,500−100.0% | Sold out |
| Prudential Financial Inc | 0 | $0 | 0.00% | −4,229−100.0% | Sold out |
| HighTower Advisors, LLC | 0 | $0 | 0.00% | −4,209−100.0% | Sold out |
| GPS Wealth Strategies Group, LLC | 0 | $0 | 0.00% | −855−100.0% | Sold out |
| GHP Investment Advisors, Inc. | 0 | $0 | 0.00% | −224−100.0% | Sold out |
| Ellis Investment Partners, LLC | 0 | $0 | 0.00% | −130−100.0% | Sold out |
| Stonebridge Capital Advisors LLC | 0 | $0 | 0.00% | −100−100.0% | Sold out |
| Meeder Asset Management Inc | 0 | $0 | 0.00% | −32−100.0% | Sold out |
| Wagner Wealth Management, LLC | 0 | $0 | 0.00% | −35−100.0% | Sold out |
| Loomis Sayles & Co L P | 0 | $0 | 0.00% | −18−100.0% | Sold out |
| Bogart Wealth, LLC | 0 | $0 | 0.00% | −25−100.0% | Sold out |
| Prestige Wealth Management Group LLC | 0 | $0 | 0.00% | −11−100.0% | Sold out |
| Spire Wealth Management | 0 | $0 | 0.00% | −13−100.0% | Sold out |
| Cullen/Frost Bankers, Inc. | 0 | $0 | 0.00% | −5−100.0% | Sold out |
| Eaton Vance Management | – | – | – | – | Not filed |
| Jefferies Group LLC | – | – | – | – | Not filed |
| Wipfli Financial Advisors LLC, | – | – | – | – | Not filed |
| American Portfolios Advisors | – | – | – | – | Not filed |
| FourThought Financial, LLC | – | – | – | – | Not filed |
| USA Financial Portformulas Corp | – | – | – | – | Not filed |