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, Q1 2022
Institutional positions in Tandem Diabetes Care Inc as of Mar 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
- 379
- −4 vs. Q4 2021
- Shares held
- 59.5M
- −891.8K (−1.5%) vs. Q4 2021
- Total value
- $6.92B
- −$2.17B (−23.8%) vs. Q4 2021
- New holders
- 62
- 153 more added
- Sold out
- 66
- 119 more reduced
5 institutions that held it in Q4 2021 haven't filed for Q1 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2021: 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, Q1 2022
Shares, value and share of portfolio for each institution holding Tandem Diabetes Care Inc; share changes are against Q4 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Oak Thistle LLC | 1,738 | $202.0K | 0.11% | +1,738 | New |
| Bailard, Inc. | 1,720 | $200.0K | 0.01% | +1,720 | New |
| Simplex Trading, LLC | 1,713 | $199.0K | 0.01% | +1,713 | New |
| Banque Cantonale Vaudoise | 1,506 | $175.0K | 0.01% | +864+134.6% | Added |
| Pacer Advisors, Inc. | 1,483 | $172.0K | 0.00% | −7,551−83.6% | Reduced |
| Cutler Group LP | 1,451 | $168.0K | 0.02% | +1,451 | New |
| Leonteq Securities AG | 1,290 | $150.0K | 0.01% | 00.0% | Unchanged |
| GPS Wealth Strategies Group, LLC | 1,144 | $133.0K | 0.03% | +46+4.2% | Added |
| National Bank of Canada | 1,141 | $133.0K | 0.00% | +113+11.0% | Added |
| Salem Investment Counselors Inc | 1,000 | $116.0K | 0.00% | 00.0% | Unchanged |
| Covestor Ltd | 951 | $111.0K | 0.08% | −307−24.4% | Reduced |
| Stephens Inc | 931 | $108.0K | 0.00% | +690+286.3% | Added |
| Edmond de Rothschild Holding S.A. | 785 | $91.0K | 0.00% | +99+14.4% | Added |
| FinTrust Capital Advisors, LLC | 755 | $88.0K | 0.02% | 00.0% | Unchanged |
| Newbridge Financial Services Group, Inc. | 751 | $87.0K | 0.04% | −3,429−82.0% | Reduced |
| Nkcfo LLC | 655 | $76.0K | 0.02% | 00.0% | Unchanged |
| CWM, LLC | 553 | $64.0K | 0.00% | +98+21.5% | Added |
| Global Retirement Partners, LLC | 888 | $58.0K | 0.00% | +888 | New |
| Sandy Cove Advisors, LLC | 392 | $46.0K | 0.04% | +392 | New |
| Altshuler Shaham Ltd | 365 | $42.0K | 0.00% | −473−56.4% | Reduced |
| Toth Financial Advisory Corp | 325 | $38.0K | 0.01% | 00.0% | Unchanged |
| Steward Partners Investment Advisory, LLC | 320 | $37.0K | 0.00% | 00.0% | Unchanged |
| Ci Investments Inc. | 320 | $37.0K | 0.00% | +317+10,566.7% | Added |
| American Portfolios Advisors | 283 | $32.9K | 0.00% | −1,177−80.6% | Reduced |
| Exane Derivatives | 280 | $32.6K | 0.01% | +280 | New |
| Kistler-Tiffany Companies, LLC | 245 | $28.0K | 0.01% | 00.0% | Unchanged |
| Byrne Asset Management LLC | 225 | $26.0K | 0.02% | 00.0% | Unchanged |
| FourThought Financial, LLC | 204 | $24.0K | 0.00% | +4+2.0% | Added |
| TCI Wealth Advisors, Inc. | 180 | $21.0K | 0.00% | −54−23.1% | Reduced |
| IFP Advisors, Inc | 801 | $19.0K | 0.00% | +440+121.9% | Added |
| Patriot Financial Group Insurance Agency, LLC | 160 | $19.0K | 0.00% | −124−43.7% | Reduced |
| Alpha Paradigm Partners, LLC | 166 | $19.0K | 0.01% | +166 | New |
| Fortitude Advisory Group L.L.C. | 148 | $17.0K | 0.01% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 150 | $17.0K | 0.00% | −25−14.3% | Reduced |
| Quadrant Capital Group LLC | 150 | $17.0K | 0.00% | +42+38.9% | Added |
| Riverview Trust Co | 138 | $16.0K | 0.01% | +138 | New |
| Ellis Investment Partners, LLC | 130 | $15.0K | 0.00% | 00.0% | Unchanged |
| First Horizon Advisors, Inc. | 112 | $13.0K | 0.00% | +1+0.9% | Added |
| Front Row Advisors LLC | 100 | $12.0K | 0.00% | 00.0% | Unchanged |
| Stonebridge Capital Advisors LLC | 100 | $12.0K | 0.00% | +100 | New |
| Charter Oak Capital Management, LLC | 100 | $12.0K | 0.00% | +100 | New |
| Fifth Third Bancorp | 96 | $11.0K | 0.00% | −4,096−97.7% | Reduced |
| Rockefeller Capital Management L.P. | 102 | $11.0K | 0.00% | −2−1.9% | Reduced |
| Ancora Advisors, LLC | 94 | $11.0K | 0.00% | +80+571.4% | Added |
| Umb Bank N A | 84 | $10.0K | 0.00% | +84 | New |
| Parkside Financial Bank & Trust | 70 | $8.00K | 0.00% | −4−5.4% | Reduced |
| Parallel Advisors, LLC | 69 | $8.00K | 0.00% | +56+430.8% | Added |
| Signaturefd, LLC | 59 | $7.00K | 0.00% | +45+321.4% | Added |
| Prospera Financial Services Inc | 50 | $6.00K | 0.00% | −14,416−99.7% | Reduced |
| Meeder Asset Management Inc | 50 | $6.00K | 0.00% | −6−10.7% | Reduced |
| Montag A & Associates Inc | 55 | $6.00K | 0.00% | 00.0% | Unchanged |
| Ellevest, Inc. | 39 | $5.00K | 0.00% | −16−29.1% | Reduced |
| Focused Wealth Management, Inc | 40 | $5.00K | 0.00% | 00.0% | Unchanged |
| Money Concepts Capital Corp | 40 | $5.00K | 0.00% | +40 | New |
| Bessemer Group Inc | 35 | $4.00K | 0.00% | +5+16.7% | Added |
| Cambridge Trust Co | 32 | $4.00K | 0.00% | 00.0% | Unchanged |
| Quent Capital, LLC | 34 | $4.00K | 0.00% | 00.0% | Unchanged |
| Elequin Capital LP | 24 | $3.00K | 0.00% | +7+41.2% | Added |
| TCWP LLC | 27 | $3.00K | 0.00% | +27 | New |
| Sandy Spring Bank | 15 | $2.00K | 0.00% | −85−85.0% | Reduced |
| BerganKDV Wealth Management, LLC | 14 | $2.00K | 0.00% | 00.0% | Unchanged |
| EverSource Wealth Advisors, LLC | 20 | $2.00K | 0.00% | +10+100.0% | Added |
| CVA Family Office, LLC | 15 | $2.00K | 0.00% | 00.0% | Unchanged |
| Glassman Wealth Services | 16 | $2.00K | 0.00% | +8+100.0% | Added |
| Loomis Sayles & Co L P | 21 | $2.00K | 0.00% | +21 | New |
| Whittier Trust Co | 15 | $2.00K | 0.00% | +15 | New |
| Providence Capital Advisors, LLC | 15 | $2.00K | 0.00% | +15 | New |
| Huntington National Bank | 11 | $1.00K | 0.00% | 00.0% | Unchanged |
| Evermay Wealth Management LLC | 9 | $1.00K | 0.00% | 00.0% | Unchanged |
| Massmutual Trust Co FSB | 6 | $1.00K | 0.00% | +1+20.0% | Added |
| Sterling Investment Advisors, Ltd. | 7 | $1.00K | 0.00% | 00.0% | Unchanged |
| Kayne Anderson Rudnick Investment Management LLC | 7 | $1.00K | 0.00% | +7 | New |
| Allworth Financial LP | 7 | $1.00K | 0.00% | +7 | New |
| Lindbrook Capital, LLC | 8 | $1.00K | 0.00% | +8 | New |
| Sutton Wealth Advisors Inc. | 2 | $233 | 0.00% | −5−71.4% | Reduced |
| Versant Capital Management, Inc | 4 | $0 | 0.00% | 00.0% | Unchanged |
| Capital Advisors, Ltd. LLC | 2 | $0 | 0.00% | +2 | New |
| USA Financial Portformulas Corp | 2 | $0 | 0.00% | +2 | New |
| Sofos Investments, Inc. | 2,088 | – | – | −1,234−37.1% | Reduced |
| Jennison Associates LLC | 0 | $0 | 0.00% | −277,581−100.0% | Sold out |
| 1832 Asset Management L.P. | 0 | $0 | 0.00% | −99,800−100.0% | Sold out |
| Banque Pictet & Cie SA | 0 | $0 | 0.00% | −90,770−100.0% | Sold out |
| Mirabella Financial Services LLP | 0 | $0 | 0.00% | −54,110−100.0% | Sold out |
| Penserra Capital Management LLC | 0 | $0 | 0.00% | −46,731−100.0% | Sold out |
| Driehaus Capital Management LLC | 0 | $0 | 0.00% | −42,164−100.0% | Sold out |
| Tudor Investment Corp Et Al | 0 | $0 | 0.00% | −29,551−100.0% | Sold out |
| Crown Advisors Management, Inc. | 0 | $0 | 0.00% | −25,000−100.0% | Sold out |
| Voloridge Investment Management, LLC | 0 | $0 | 0.00% | −21,839−100.0% | Sold out |
| Twin Capital Management Inc | 0 | $0 | 0.00% | −19,695−100.0% | Sold out |
| EAM Global Investors LLC | 0 | $0 | 0.00% | −17,125−100.0% | Sold out |
| EAM Investors, LLC | 0 | $0 | 0.00% | −15,321−100.0% | Sold out |
| Kensington Investment Counsel, LLC | 0 | $0 | 0.00% | −14,403−100.0% | Sold out |
| Metropolitan Life Insurance Co | 0 | $0 | 0.00% | −14,046−100.0% | Sold out |
| Cordatus Wealth Management LLC | 0 | $0 | 0.00% | −13,976−100.0% | Sold out |
| ETF Managers Group, LLC | 0 | $0 | 0.00% | −10,654−100.0% | Sold out |
| Quantitative Investment Management, LLC | 0 | $0 | 0.00% | −9,548−100.0% | Sold out |
| Precept Management LLC | 0 | $0 | 0.00% | −9,000−100.0% | Sold out |
| BI Asset Management Fondsmaeglerselskab A/S | 0 | $0 | 0.00% | −8,433−100.0% | Sold out |
| Avestar Capital, LLC | 0 | $0 | 0.00% | −7,639−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −6,877−100.0% | Sold out |