Who owns Tandem Diabetes Care Inc?
- Ticker: TNDM
- CUSIP Number: 875372203
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Analyze quarterly positions in Tandem Diabetes Care with up to 7 years of data, all consolidated into one spreadsheet
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Top investors of Tandem Diabetes Care stock
Who bought or sold Tandem Diabetes Care Inc this quarter?
| Fund or Company Name | Shares Held | Valued At | Change in Shares | As Of | Actions |
|---|---|---|---|---|---|
| BlackRock | 11M | $245M | -8% | Dec 2025 |
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| Vanguard Group | 7.3M | $161M | 4% | Dec 2025 |
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| Sessa Capital IM | 5.0M | $110M | 0% | Dec 2025 |
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| Arrowpoint Asset Management | 3.7M | $45M | 37% | Sep 2025 |
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| UBS Group | 3.2M | $70M | -26% | Dec 2025 |
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| Jennifer Ranahan | 2.7M | $59M | -2% | Dec 2025 |
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| State Street Corporation | 2.6M | $58M | -1% | Dec 2025 |
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| Paradice Investment Management | 2.1M | $46M | -5% | Dec 2025 |
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| Jennison Associates | 2.0M | $44M | 42% | Dec 2025 |
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| Goldman Sachs Group | 1.7M | $37M | 18% | Dec 2025 |
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| Jacobs Levy Equity Management | 1.7M | $36M | 12% | Dec 2025 |
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| Geode Capital Management | 1.6M | $36M | 3% | Dec 2025 |
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| Freestone Grove Partners | 1.4M | $32M | -23% | Dec 2025 |
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| Bnp Paribas Arbitrage, Snc | 1.2M | $27M | 468% | Dec 2025 |
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| Assenagon Asset Management | 1.2M | $27M | 100% | Dec 2025 |
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| Baillie Gifford & Co | 1.1M | $25M | 2% | Dec 2025 |
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| Two Sigma Investments | 1.1M | $14M | -9% | Sep 2025 |
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| First Light Asset Management | 1.1M | $24M | 100% | Dec 2025 |
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| Two Sigma Advisers | 971k | $12M | 9% | Sep 2025 |
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| D. E. Shaw & Co | 947k | $12M | 180% | Sep 2025 |
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| Barclays | 918k | $20M | -23% | Dec 2025 |
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| Marshall Wace | 876k | $19M | 100% | Dec 2025 |
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| FMR | 870k | $11M | 66% | Sep 2025 |
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| Millennium Management | 706k | $8.6M | -27% | Sep 2025 |
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| Northern Trust | 692k | $15M | 0% | Dec 2025 |
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| Royal Bank of Canada | 681k | $8.5M | 24% | Sep 2025 |
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| Royce & Associates | 650k | $14M | 28% | Dec 2025 |
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| Charles Schwab Investment Management | 646k | $14M | 16% | Dec 2025 |
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| Nuveen | 563k | $12M | 12% | Dec 2025 |
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| Standard Life Aberdeen | 547k | $12M | -9% | Dec 2025 |
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| Cubist Systematic Strategies | 439k | $5.3M | 100% | Sep 2025 |
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| AQR Capital Management | 415k | $4.9M | 912% | Sep 2025 |
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| Frontier Capital Management | 412k | $9.1M | -1% | Dec 2025 |
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| Acadian Asset Management | 393k | $8.6M | -57% | Dec 2025 |
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| Jpmorgan Chase & Co | 359k | $4.4M | 100% | Sep 2025 |
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| DAFNA Capital Management | 355k | $7.8M | 0% | Dec 2025 |
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| Susquehanna International | 350k | $7.7M | 11% | Dec 2025 |
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| Bank of New York Mellon | 350k | $7.7M | -9% | Dec 2025 |
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| Principal Financial Group | 324k | $7.1M | -1% | Dec 2025 |
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| Ing Investment Management | 320k | $7.0M | 83% | Dec 2025 |
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| Quantinno Capital Management | 293k | $6.4M | 46% | Dec 2025 |
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| Jane Street | 287k | $6.3M | 10% | Dec 2025 |
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| Invesco | 278k | $6.1M | -8% | Dec 2025 |
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| Sector Gamma ASA | 270k | $3.3M | 28% | Sep 2025 |
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| AH Lisanti Capital Growth | 263k | $5.8M | 100% | Dec 2025 |
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| Edmond De Rothschild Holding | 258k | $5.7M | -23% | Dec 2025 |
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| Kent Lake PR | 250k | $3.0M | 100% | Sep 2025 |
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| Public Sector Pension Investment Board | 235k | $5.2M | -11% | Dec 2025 |
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| Algert Coldiron Investors | 227k | $2.8M | -57% | Sep 2025 |
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| Alliancebernstein | 224k | $2.7M | -17% | Sep 2025 |
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| Envestnet Asset Management | 222k | $4.9M | -6% | Dec 2025 |
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| Moore Capital Management | 221k | $2.7M | 269% | Sep 2025 |
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| Rhumbline Advisers | 184k | $4.0M | -3% | Dec 2025 |
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| Canada Pension Plan Investment Board | 178k | $2.2M | 100% | Sep 2025 |
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| Legal & General Group | 172k | $3.8M | -6% | Dec 2025 |
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| Capital Fund Management | 171k | $2.1M | -35% | Sep 2025 |
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| Hrt Financial | 171k | $3.7M | 92% | Dec 2025 |
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| Ubs Global Asset Management Americas | 165k | $3.6M | -11% | Dec 2025 |
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| PanAgora Asset Management | 146k | $3.2M | -25% | Dec 2025 |
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| Mizuho Markets Americas | 145k | $3.2M | 23% | Dec 2025 |
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| Citadel Advisors | 139k | $1.7M | -67% | Sep 2025 |
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| Arrowstreet Capital, Limited Partnership | 136k | $3.0M | 100% | Dec 2025 |
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| Swiss National Bank | 133k | $2.9M | 3% | Dec 2025 |
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| Ameriprise Financial | 129k | $2.8M | -24% | Dec 2025 |
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| Russell Investments | 129k | $2.8M | -7% | Dec 2025 |
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| Brevan Howard Capital Management | 127k | $1.5M | 34% | Sep 2025 |
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| Raymond James Financial | 120k | $2.6M | -12% | Dec 2025 |
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| PDT Partners | 110k | $2.4M | -35% | Dec 2025 |
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| Sei Investments | 107k | $2.3M | -51% | Dec 2025 |
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| Trexquant Investment | 103k | $2.3M | -79% | Dec 2025 |
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| Banque Pictet & Cie Sa | 97k | $2.1M | 30% | Dec 2025 |
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| Universal- Beteiligungs- und Servicegesellschaft mbH | 89k | $2.0M | -9% | Dec 2025 |
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| Engineers Gate Manager | 89k | $1.9M | 100% | Dec 2025 |
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| Wells Fargo & Company | 84k | $1.9M | 62% | Dec 2025 |
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| Y-Intercept | 84k | $1.8M | 48% | Dec 2025 |
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| HPM Partners | 77k | $1.7M | 1% | Dec 2025 |
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| Zurcher Kantonalbank | 74k | $1.6M | 245% | Dec 2025 |
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| Legato Capital Management | 73k | $1.6M | 100% | Dec 2025 |
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| Formula Growth | 71k | $1.6M | -42% | Dec 2025 |
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| New York State Teachers Retirement System | 68k | $1.5M | 0% | Dec 2025 |
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| Susquehanna Portfolio Strategies | 67k | $1.5M | -68% | Dec 2025 |
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| Prudential Financial | 65k | $1.4M | -6% | Dec 2025 |
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| California State Teachers Retirement System | 64k | $1.4M | 6% | Dec 2025 |
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| Rice Hall James & Associates | 62k | $1.4M | -39% | Dec 2025 |
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| SG Americas Securities | 62k | $1.4M | -2% | Dec 2025 |
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| Mirae Asset Global Etfs Holdings | 61k | $1.4M | -2% | Dec 2025 |
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| Group One Trading | 61k | $1.3M | -28% | Dec 2025 |
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| Natixis Asset Management Advisors | 57k | $1.3M | 1% | Dec 2025 |
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| Great-West Life Assurance Company | 56k | $1.2M | 0% | Dec 2025 |
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| Norges Bank Investment Management | 54k | $1.2M | 100% | Dec 2025 |
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| Deutsche Bank Aktiengesellschaft | 54k | $1.2M | -1% | Dec 2025 |
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| Wolverine Trading | 50k | $594k | 87% | Sep 2025 |
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| Walleye Trading Advisors | 48k | $1.1M | -92% | Dec 2025 |
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| Thrivent Financial for Lutherans | 47k | $1.0M | -4% | Dec 2025 |
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| Walleye Trading | 45k | $995k | 2% | Dec 2025 |
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| Nierenberg Investment Management Company | 45k | $979k | 100% | Dec 2025 |
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| Winton Capital | 44k | $973k | 100% | Dec 2025 |
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| State of Wisconsin Investment Board | 43k | $947k | -33% | Dec 2025 |
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| Bryce Point Capital | 42k | $513k | 100% | Sep 2025 |
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| Jump Financial | 41k | $910k | -65% | Dec 2025 |
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| CLS Investments | 41k | $892k | -8% | Dec 2025 |
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| LPL Financial | 40k | $870k | 2% | Dec 2025 |
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| MetLife Investment Advisors | 39k | $859k | 0% | Dec 2025 |
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| Alaska Retirement Management Board | 39k | $849k | 1% | Dec 2025 |
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| Oppenheimer Asset Management | 38k | $834k | -9% | Dec 2025 |
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| Hsbc Holdings | 37k | $803k | -61% | Dec 2025 |
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| Quest Partners | 36k | $783k | 56% | Dec 2025 |
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| Mariner Wealth Advisors | 36k | $781k | 43% | Dec 2025 |
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| HighMark Wealth Management | 35k | $772k | 49% | Dec 2025 |
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| Summit Trail Advisors | 35k | $759k | -66% | Dec 2025 |
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| Quantbot Technologies | 33k | $724k | -2% | Dec 2025 |
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| American Century Companies | 33k | $720k | 0% | Dec 2025 |
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| State of Wyoming | 32k | $699k | 111% | Dec 2025 |
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| GSA Capital Partners | 31k | $685k | -68% | Dec 2025 |
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| Louisiana State Employees Retirement System | 31k | $684k | 0% | Dec 2025 |
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| Henderson Group | 30k | $362k | 100% | Sep 2025 |
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| Manufacturers Life Insurance Company | 30k | $653k | -6% | Dec 2025 |
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| Amundi | 29k | $647k | 167% | Dec 2025 |
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| Branch Banking & Trust Company | 28k | $619k | -76% | Dec 2025 |
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| Franklin Resources | 28k | $614k | -32% | Dec 2025 |
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| Tudor Investment Corporation | 28k | $335k | -91% | Sep 2025 |
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| Stifel Financial | 28k | $604k | -30% | Dec 2025 |
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| Bayforest Capital | 27k | $602k | 42% | Dec 2025 |
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| Intech Investment Management | 27k | $602k | -63% | Dec 2025 |
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| Ieq Capital | 27k | $597k | 100% | Dec 2025 |
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| Deerfield Management Company | 26k | $574k | 114% | Dec 2025 |
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| Virginia Retirement System | 25k | $543k | -33% | Dec 2025 |
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| CWM | 24k | $537k | 11% | Dec 2025 |
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| Advisors Asset Management | 24k | $523k | -2% | Dec 2025 |
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| Counterpoint Mutual Funds | 23k | $502k | -46% | Dec 2025 |
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| Pnc Financial Services | 22k | $491k | 6% | Dec 2025 |
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| State of Tennessee, Treasury Department | 22k | $428k | -33% | Dec 2025 |
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| Brian McDonald | 21k | $471k | -16% | Dec 2025 |
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| CWM Advisors | 21k | $463k | -45% | Dec 2025 |
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| New York State Common Retirement Fund | 20k | $439k | 0% | Dec 2025 |
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| Amalgamated Bank | 20k | $432k | 0% | Dec 2025 |
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| Diversified Trust Company | 20k | $430k | 7% | Dec 2025 |
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| PharVision Advisers | 20k | $430k | -12% | Dec 2025 |
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| CI Private Wealth | 20k | $429k | 100% | Dec 2025 |
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| Arizona State Retirement System | 19k | $415k | -4% | Dec 2025 |
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| Yousif Capital Management | 19k | $385k | -12% | Dec 2025 |
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| Springbok Capital Management | 19k | $228k | 100% | Sep 2025 |
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| Wealth Enhancement Advisory Services | 19k | $440k | 24% | Dec 2025 |
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| Florida State Board of Administration | 19k | $408k | 0% | Dec 2025 |
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| Police & Firemen's Retirement System of New Jersey | 19k | $407k | 0% | Dec 2025 |
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| Teachers Retirement System Of The State Of Kentucky | 17k | $371k | -11% | Dec 2025 |
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| Commonwealth of Pennsylvania | 17k | $369k | -2% | Dec 2025 |
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| Commerce Bank N A | 17k | $366k | -1% | Dec 2025 |
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| Holocene Advisors | 16k | $361k | 100% | Dec 2025 |
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| Neuberger Berman Group | 16k | $351k | 6% | Dec 2025 |
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| Caprock | 15k | $326k | -67% | Dec 2025 |
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| Schonfeld Strategic Advisors | 15k | $321k | -90% | Dec 2025 |
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| MN Wealth Advisors | 14k | $303k | -21% | Dec 2025 |
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| Verition Fund Management | 11k | $233k | -54% | Dec 2025 |
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| Ensign Peak Advisors | 5.0k | $111k | -71% | Dec 2025 |
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| Shell Asset Management Company | 3.9k | $47k | -83% | Sep 2025 |
|
| KBC Group NV | 2.0k | $44k | -99% | Dec 2025 |
|
Who sold out of Tandem Diabetes Care?
| Fund or Company Name | Date Sold | Shares Held | Valued At |
|---|---|---|---|
| Hood River Capital Management | Sep 2025 | 2.6M | $31M |
| Fred Alger Management | Jun 2025 | 667k | $12M |
| Connor, Clark & Lunn Investment Management | Sep 2025 | 615k | $7.5M |
| Brown Capital Management | Sep 2025 | 363k | $4.4M |
| Silvercrest Asset Management Group | Jun 2025 | 346k | $6.5M |
| Adage Capital Partners GP | Jun 2025 | 250k | $4.7M |
| Balyasny Asset Management | Jun 2025 | 231k | $4.3M |
| Fil | Jun 2025 | 191k | $3.6M |
| Divisadero Street Capital Management | Sep 2025 | 175k | $2.1M |
| Renaissance Technologies | Sep 2025 | 162k | $2.0M |
| Gotham Asset Management | Jun 2025 | 82k | $1.5M |
| Dark Forest Capital Management | Sep 2025 | 76k | $917k |
| XTX Topco | Sep 2025 | 74k | $893k |
| First Trust Advisors | Sep 2025 | 41k | $495k |
| Arp Americas | Sep 2025 | 26k | $318k |
| Handelsbanken Fonder AB | Sep 2025 | 22k | $267k |
| Keebeck Alpha | Sep 2025 | 17k | $202k |