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, Q2 2024
Institutional positions in Tandem Diabetes Care Inc as of Jun 30, 2024. 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
- 317
- +29 vs. Q1 2024
- Shares held
- 73.6M
- −425.3K (−0.6%) vs. Q1 2024
- Total value
- $2.96B
- +$343.5M (+13.1%) vs. Q1 2024
- New holders
- 64
- 124 more added
- Sold out
- 35
- 91 more reduced
3 institutions that held it in Q1 2024 haven't filed for Q2 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2024: 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, Q2 2024
Shares, value and share of portfolio for each institution holding Tandem Diabetes Care Inc; share changes are against Q1 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| State of Alaska, Department of Revenue | 37,922 | $1.53M | 0.02% | −1,803−4.5% | Reduced |
| Prelude Capital Management, LLC | 37,921 | $1.53M | 0.13% | −38,109−50.1% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 39,366 | $1.59M | 0.01% | −100,119−71.8% | Reduced |
| Pura Vida Investments, LLC | 40,500 | $1.63M | 1.97% | −2,000−4.7% | Reduced |
| Twinbeech Capital LP | 40,801 | $1.64M | 0.03% | +40,801 | New |
| Wells Fargo & Company | 43,376 | $1.75M | 0.00% | −3,619−7.7% | Reduced |
| LPL Financial LLC | 43,960 | $1.77M | 0.00% | +4,688+11.9% | Added |
| Price T Rowe Associates Inc | 44,791 | $1.80M | 0.00% | +6,059+15.6% | Added |
| Algert Global LLC | 45,263 | $1.82M | 0.06% | +6,150+15.7% | Added |
| Amundi | 48,369 | $1.93M | 0.00% | −19,979−29.2% | Reduced |
| Verition Fund Management LLC | 48,442 | $1.95M | 0.02% | +3,474+7.7% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 48,936 | $1.97M | 0.00% | +48,936 | New |
| Oppenheimer Asset Management Inc. | 49,193 | $1.98M | 0.03% | +8,813+21.8% | Added |
| Aquatic Capital Management LLC | 49,753 | $2.00M | 0.07% | +49,753 | New |
| M&T Bank Corp | 50,977 | $2.05M | 0.01% | −4,318−7.8% | Reduced |
| Cerity Partners LLC | 51,549 | $2.08M | 0.01% | −5,843−10.2% | Reduced |
| Natixis Advisors, L.P. | 53,244 | $2.15M | 0.00% | +3,034+6.0% | Added |
| Thrivent Financial for Lutherans | 53,619 | $2.16M | 0.00% | −2,952−5.2% | Reduced |
| Walleye Capital LLC | 55,834 | $2.25M | 0.02% | +50,813+1,012.0% | Added |
| Dimensional Fund Advisors LP | 56,200 | $2.26M | 0.00% | +14,664+35.3% | Added |
| California State Teachers Retirement System | 63,023 | $2.54M | 0.00% | −2,166−3.3% | Reduced |
| Adage Capital Partners GP, L.L.C. | 65,000 | $2.62M | 0.00% | −53,709−45.2% | Reduced |
| Tudor Investment Corp Et Al | 65,226 | $2.63M | 0.03% | −12,109−15.7% | Reduced |
| Jane Street Group, LLC | 67,695 | $2.73M | 0.00% | −240,404−78.0% | Reduced |
| New York State Teachers Retirement System | 68,900 | $2.78M | 0.01% | −1,100−1.6% | Reduced |
| Mizuho Markets Americas LLC | 72,256 | $2.91M | 0.08% | +72,256 | New |
| SG Americas Securities, LLC | 77,647 | $3.13M | 0.02% | −69,965−47.4% | Reduced |
| Susquehanna Fundamental Investments, LLC | 77,833 | $3.14M | 0.07% | +40,128+106.4% | Added |
| Great West Life Assurance Co | 78,787 | $3.18M | 0.01% | −855−1.1% | Reduced |
| EAM Investors, LLC | 79,633 | $3.21M | 0.52% | +79,633 | New |
| Macquarie Group Ltd | 83,756 | $3.38M | 0.00% | +83,756 | New |
| JPMorgan Chase & Co | 84,228 | $3.39M | 0.00% | −9,434−10.1% | Reduced |
| Jefferies Financial Group Inc. | 84,756 | $3.41M | 0.07% | +54,756+182.5% | Added |
| Rice Hall James & Associates, LLC | 93,293 | $3.76M | 0.23% | −847−0.9% | Reduced |
| Engineers Gate Manager LP | 96,088 | $3.87M | 0.09% | +11,141+13.1% | Added |
| Raymond James & Associates | 96,671 | $3.89M | 0.00% | −177−0.2% | Reduced |
| Nicholas Investment Partners, LP | 98,063 | $3.95M | 0.41% | +98,063 | New |
| Truist Financial Corp | 109,227 | $4.40M | 0.01% | −4,300−3.8% | Reduced |
| Citigroup Inc | 109,674 | $4.42M | 0.00% | +32,831+42.7% | Added |
| Skandinaviska Enskilda Banken AB (publ) | 118,221 | $4.77M | 0.02% | 00.0% | Unchanged |
| ExodusPoint Capital Management, LP | 118,553 | $4.78M | 0.05% | +118,553 | New |
| Squarepoint Ops LLC | 121,170 | $4.88M | 0.02% | −292,789−70.7% | Reduced |
| Man Group plc | 121,245 | $4.88M | 0.01% | +100,116+473.8% | Added |
| Beaconlight Capital, LLC | 121,298 | $4.89M | 2.48% | −125,888−50.9% | Reduced |
| Prudential Financial Inc | 121,335 | $4.89M | 0.01% | −21,248−14.9% | Reduced |
| Formula Growth Ltd | 124,646 | $5.02M | 1.82% | +900+0.7% | Added |
| Swiss National Bank | 127,000 | $5.12M | 0.00% | −1,200−0.9% | Reduced |
| State of Wisconsin Investment Board | 127,611 | $5.14M | 0.01% | +24,354+23.6% | Added |
| Gotham Asset Management, LLC | 130,721 | $5.27M | 0.07% | +7,469+6.1% | Added |
| FIL Ltd | 135,622 | $5.46M | 0.01% | +135,622 | New |
| Public Sector Pension Investment Board | 142,086 | $5.72M | 0.04% | +8,426+6.3% | Added |
| Alliancebernstein L.P. | 148,885 | $6.00M | 0.00% | +60,946+69.3% | Added |
| UBS Asset Management Americas Inc | 153,152 | $6.17M | 0.00% | +49,373+47.6% | Added |
| Lisanti Capital Growth, LLC | 158,260 | $6.38M | 1.53% | −16,570−9.5% | Reduced |
| Banque Pictet & Cie SA | 162,272 | $6.54M | 0.07% | −46,595−22.3% | Reduced |
| Frontier Capital Management Co LLC | 182,224 | $7.34M | 0.07% | −2,114−1.1% | Reduced |
| Legal & General Group Plc | 182,943 | $7.37M | 0.00% | +2,362+1.3% | Added |
| Rhumbline Advisers | 186,779 | $7.53M | 0.01% | +25,382+15.7% | Added |
| Royal Bank of Canada | 190,708 | $7.68M | 0.00% | +107,386+128.9% | Added |
| Goldman Sachs Group Inc | 191,724 | $7.72M | 0.00% | +72,887+61.3% | Added |
| BNP Paribas Arbitrage, SA | 193,697 | $7.80M | 0.01% | +47,885+32.8% | Added |
| Invesco Ltd. | 203,501 | $8.20M | 0.00% | −49,431−19.5% | Reduced |
| DAFNA Capital Management LLC | 204,208 | $8.23M | 1.97% | −54,000−20.9% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 205,410 | $8.28M | 0.03% | +34,043+19.9% | Added |
| Trexquant Investment LP | 208,389 | $8.40M | 0.13% | −24,694−10.6% | Reduced |
| Baillie Gifford & Co | 222,386 | $8.96M | 0.01% | −37,311−14.4% | Reduced |
| Voloridge Investment Management, LLC | 230,410 | $9.28M | 0.03% | −291,222−55.8% | Reduced |
| Russell Investments Group, Ltd. | 232,853 | $9.38M | 0.02% | −10,810−4.4% | Reduced |
| KBC Group NV | 239,414 | $9.65M | 0.03% | −530−0.2% | Reduced |
| Nuveen Asset Management, LLC | 244,592 | $9.85M | 0.00% | +100,664+69.9% | Added |
| Envestnet Asset Management Inc | 251,014 | $10.1M | 0.00% | +19,004+8.2% | Added |
| Silvercrest Asset Management Group LLC | 269,765 | $10.9M | 0.07% | +3,607+1.4% | Added |
| Oberweis Asset Management Inc | 282,000 | $11.4M | 0.70% | +282,000 | New |
| UBS Group AG | 295,787 | $11.9M | 0.00% | +255,065+626.4% | Added |
| Renaissance Technologies LLC | 295,823 | $11.9M | 0.02% | −298,504−50.2% | Reduced |
| Assenagon Asset Management S.A. | 311,427 | $12.5M | 0.03% | +85,000+37.5% | Added |
| Northern Trust Corp | 364,544 | $14.7M | 0.00% | +22,019+6.4% | Added |
| Kingdon Capital Management, L.L.C. | 369,000 | $14.9M | 2.30% | −124,080−25.2% | Reduced |
| First Trust Advisors LP | 378,897 | $15.3M | 0.02% | +36,027+10.5% | Added |
| New York State Common Retirement Fund | 384,507 | $15.5M | 0.02% | +74,605+24.1% | Added |
| Victory Capital Management Inc | 403,370 | $16.3M | 0.02% | +389,632+2,836.2% | Added |
| Barclays PLC | 405,712 | $16.3M | 0.01% | +355,915+714.7% | Added |
| Principal Financial Group Inc | 448,093 | $18.1M | 0.01% | +91,700+25.7% | Added |
| Bank of New York Mellon Corp | 494,313 | $19.9M | 0.00% | +73,397+17.4% | Added |
| Marshall Wace, LLP | 524,393 | $21.1M | 0.03% | −2,595,981−83.2% | Reduced |
| Charles Schwab Investment Management Inc | 567,189 | $22.9M | 0.00% | +149,646+35.8% | Added |
| Capital International Investors | 606,469 | $24.4M | 0.01% | −410,726−40.4% | Reduced |
| Bank of America Corp | 632,871 | $25.5M | 0.00% | +96,700+18.0% | Added |
| Park West Asset Management LLC | 670,721 | $27.0M | 2.11% | −726,559−52.0% | Reduced |
| First Light Asset Management, LLC | 708,482 | $28.5M | 2.50% | +233,405+49.1% | Added |
| Chicago Capital, LLC | 821,062 | $33.1M | 0.98% | +149,757+22.3% | Added |
| Paradice Investment Management LLC | 821,993 | $33.1M | 5.86% | 00.0% | Unchanged |
| FMR LLC | 893,086 | $36.0M | 0.00% | −157,259−15.0% | Reduced |
| Next Century Growth Investors LLC | 914,370 | $36.8M | 3.06% | +61,491+7.2% | Added |
| Brown Capital Management LLC | 914,455 | $36.8M | 0.74% | −40,112−4.2% | Reduced |
| Driehaus Capital Management LLC | 955,244 | $38.5M | 0.37% | −362,193−27.5% | Reduced |
| Morgan Stanley | 1,019,411 | $41.1M | 0.00% | −378,734−27.1% | Reduced |
| Gilder Gagnon Howe & Co LLC | 1,028,633 | $41.4M | 0.52% | +131,245+14.6% | Added |
| Millennium Management LLC | 1,053,953 | $42.5M | 0.04% | +28,999+2.8% | Added |
| Two Sigma Advisers, LP | 1,131,583 | $45.6M | 0.10% | +54,700+5.1% | Added |