TNDM · Company research
Tandem Diabetes Care, Inc. (TNDM): Ownership & Institutional Holders
Reported institutional positions. Filing dates and sources matter.
RESEARCH CONTEXT
Understand the numbers
Reported institutional positions. Filing dates and sources matter. Use period, currency, units and source fields when interpreting values.
80records availableHealthcare
Ownership & Institutional Holders data
Database-backed records only
| holder name | cik | period end | shares held | market value | ownership percent | shares change | shares change percent | filing date | data source |
|---|---|---|---|---|---|---|---|---|---|
| XTX Topco Ltd | 1828301 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 212976 | 3213808 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Cerity Partners LLC | 1566475 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 69065 | 1042185 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Allworth Financial LP | 1555170 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1138 | 17173 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| Salomon & Ludwin, LLC | 1766156 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 595 | 9371 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| PRINCIPAL FINANCIAL GROUP INC | 1126328 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 329752 | 4975957 | — | — | — | Aug 4, 2026 | SEC_13F_DATASET |
| FOX RUN MANAGEMENT, L.L.C. | 1533457 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 40462 | 610572 | — | — | — | Aug 4, 2026 | SEC_13F_DATASET |
| SECTOR GAMMA AS | 1475373 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 267091 | 4030403 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| BEACONLIGHT CAPITAL, LLC | 1569537 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 266009 | 4014076 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| ALGERT GLOBAL LLC | 1275218 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 235739 | 3557302 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Susquehanna Portfolio Strategies, LLC | 1996449 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 68897 | 1039656 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| DEUTSCHE BANK AG\ | 948046 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 73830 | 1114095 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| Vanguard Global Advisers, LLC | 1811242 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 26897 | 405876 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 1520354 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1098 | 16569 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| KLP KAPITALFORVALTNING AS | 1717443 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 14500 | 218805 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| Brevan Howard Capital Management LP | 1512857 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 41021 | 619007 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM | 1081019 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1165355 | 77227 | — | — | — | Aug 24, 2026 | SEC_13F_DATASET |
| Walleye Trading LLC | 1388391 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 31900 | 481371 | — | — | — | Aug 3, 2026 | SEC_13F_DATASET |
| SEI INVESTMENTS CO | 350894 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 12697 | 191598 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Assenagon Asset Management S.A. | 1546007 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 26430 | 398829 | — | — | — | Jul 8, 2026 | SEC_13F_DATASET |
| MassMutual Private Wealth & Trust, FSB | 1103653 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 707 | 10669 | — | — | — | Jul 2, 2026 | SEC_13F_DATASET |
| Verition Fund Management LLC | 1454027 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 700000 | 10563000 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| CITIGROUP INC | 831001 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 5263000 | 4975588 | — | — | — | Aug 3, 2026 | SEC_13F_DATASET |
| CANADA LIFE ASSURANCE Co | 1046192 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 53286 | 804 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| CoreCap Advisors, LLC | 1902501 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1164 | 17565 | — | — | — | Jul 6, 2026 | SEC_13F_DATASET |
| ADVENT CAPITAL MANAGEMENT /DE/ | 1097278 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 6196000 | 5915971 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| Stonehage Fleming Financial Services Holdings Ltd | 1786379 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 2551 | 38494 | — | — | — | Aug 17, 2026 | SEC_13F_DATASET |
| Keating Financial Advisory Services, Inc. | 2103443 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 77 | 1162 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| NEW YORK STATE TEACHERS RETIREMENT SYSTEM | 314969 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 68300 | 1031 | — | — | — | Jul 23, 2026 | SEC_13F_DATASET |
| Bank of New York Mellon Corp | 1390777 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 250000 | 238138 | — | — | — | Aug 6, 2026 | SEC_13F_DATASET |
| Summit Trail Advisors, LLC | 1698478 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 59862 | 903318 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| Thrivent Financial for Lutherans | 314984 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 45001 | 679 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Man Group plc | 1637460 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 50977 | 769243 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 1446194 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 165100 | 2491359 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| First Light Asset Management, LLC | 1600004 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 3383553 | 51057815 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Tower Research Capital LLC (TRC) | 1533421 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 2694 | 40652 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| Versant Capital Management, Inc | 1735057 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 328 | 4950 | — | — | — | Jul 2, 2026 | SEC_13F_DATASET |
| FEDERATED HERMES, INC. | 1056288 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 123819 | 1868429 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| SJS Investment Consulting Inc. | 1894302 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 165 | 2490 | — | — | — | Jul 22, 2026 | SEC_13F_DATASET |
| Pictet Asset Management Holding SA | 1993888 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 10764 | 162429 | — | — | — | Jul 30, 2026 | SEC_13F_DATASET |
| INTECH INVESTMENT MANAGEMENT LLC | 1086318 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 81071 | 1223361 | — | — | — | Aug 10, 2026 | SEC_13F_DATASET |
| HighMark Wealth Management LLC | 1802451 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 34120 | 514870 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| Wealth Enhancement Trust Services, Inc. | 2067696 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1 | 15 | — | — | — | Jul 22, 2026 | SEC_13F_DATASET |
| Quantinno Capital Management LP | 1759654 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 306660 | 4627499 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| VOYA INVESTMENT MANAGEMENT LLC | 1068837 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 104118 | 1571141 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| EASTERN BANK | 1126395 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 32 | 483 | — | — | — | Jul 1, 2026 | SEC_13F_DATASET |
| Swiss National Bank | 1582202 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 137500 | 2074875 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| MILLENNIUM MANAGEMENT LLC | 1273087 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1311739 | 19794142 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| TRUIST FINANCIAL CORP | 92230 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 17906 | 270202 | — | — | — | Jul 28, 2026 | SEC_13F_DATASET |
| GEODE CAPITAL MANAGEMENT, LLC | 1214717 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1548856 | 23377674 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| NOMURA HOLDINGS INC | 1163653 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 80000 | 1207200 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| VIRGINIA RETIREMENT SYSTEMS ET Al | 1005354 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 26200 | 395358 | — | — | — | Aug 25, 2026 | SEC_13F_DATASET |
| BANK OF AMERICA CORP /DE/ | 70858 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 180331 | 2721195 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| RHUMBLINE ADVISERS | 1115418 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 164053 | 2475532 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 1368163 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 28997 | 437565 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| Leonteq Securities AG | 1535950 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 20528 | 309768 | — | — | — | Jul 27, 2026 | SEC_13F_DATASET |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 884546 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 656836 | 9911655 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Cambridge Investment Research Advisors, Inc. | 1419186 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 52295 | 789 | — | — | — | Jul 27, 2026 | SEC_13F_DATASET |
| True Wealth Design, LLC | 1966033 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 205 | 3094 | — | — | — | Jul 16, 2026 | SEC_13F_DATASET |
| Arax Advisory Partners | 1586767 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 5996 | 90480 | — | — | — | Aug 10, 2026 | SEC_13F_DATASET |
| STATE STREET CORP | 93751 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 2851646 | 43031338 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| Front Row Advisors LLC | 1729254 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 100 | 2344 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| FIRST TRUST ADVISORS LP | 1125816 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 292844 | 4419015 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| Aventura Private Wealth, LLC | 2074418 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 16 | 241 | — | — | — | Jul 15, 2026 | SEC_13F_DATASET |
| FORMULA GROWTH LTD | 1093219 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 70304 | 1060887 | — | — | — | Aug 17, 2026 | SEC_13F_DATASET |
| Global Retirement Partners, LLC | 1749744 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1167 | 17610 | — | — | — | Aug 6, 2026 | SEC_13F_DATASET |
| CAPSTONE INVESTMENT ADVISORS, LLC | 1426196 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 2500000 | 2375968 | — | — | — | Aug 17, 2026 | SEC_13F_DATASET |
| VICTORY CAPITAL MANAGEMENT INC | 1040188 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 10469 | 157977 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| Nierenberg Investment Management Company, LLC | 1282683 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 158910 | 2397952 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| Transamerica Financial Advisors, LLC | 1502149 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 17 | 256 | — | — | — | Aug 17, 2026 | SEC_13F_DATASET |
| Colonial Trust Co / SC | 1954093 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 215 | 3403 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| Creative Planning | 1540235 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 11249 | 169747 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| AdvisorNet Financial, Inc | 1409362 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1680 | 25351 | — | — | — | Jul 23, 2026 | SEC_13F_DATASET |
| Police & Firemen's Retirement System of New Jersey | 2040686 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 21488 | 324254 | — | — | — | Jul 23, 2026 | SEC_13F_DATASET |
| Nuveen, LLC | 1871926 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 146538 | 2211258 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| ArrowMark Colorado Holdings LLC | 1483859 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1299586 | 19610753 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Schonfeld Strategic Advisors LLC | 1665241 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 129567 | 1955164 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Caitong International Asset Management Co., Ltd | 1963355 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 19968 | 301317 | — | — | — | Aug 5, 2026 | SEC_13F_DATASET |
| SALEM INVESTMENT COUNSELORS INC | 884423 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1000 | 15090 | — | — | — | Jul 14, 2026 | SEC_13F_DATASET |
| Silver Grove Financial Group, Inc. | 2111172 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 27 | 407 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| ARIZONA STATE RETIREMENT SYSTEM | 1558481 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 18902 | 285231 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
Informational research only, not financial advice. Forecasts are uncertain and can be wrong.