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, Q3 2024
Institutional positions in Tandem Diabetes Care Inc as of Sep 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
- 332
- +18 vs. Q2 2024
- Shares held
- 73.1M
- +10.7M (+17.2%) vs. Q2 2024
- Total value
- $3.10B
- +$586.3M (+23.3%) vs. Q2 2024
- New holders
- 59
- 109 more added
- Sold out
- 41
- 117 more reduced
3 institutions that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2024
Shares, value and share of portfolio for each institution holding Tandem Diabetes Care Inc; share changes are against Q2 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| California State Teachers Retirement System | 61,110 | $2.59M | 0.00% | −1,913−3.0% | Reduced |
| EAM Investors, LLC | 60,804 | $2.58M | 0.39% | −18,829−23.6% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 60,648 | $2.57M | 0.01% | +21,282+54.1% | Added |
| Oppenheimer Asset Management Inc. | 59,092 | $2.51M | 0.03% | +9,899+20.1% | Added |
| ExodusPoint Capital Management, LP | 58,863 | $2.50M | 0.03% | −59,690−50.3% | Reduced |
| M&T Bank Corp | 51,835 | $2.20M | 0.01% | +858+1.7% | Added |
| Thrivent Financial for Lutherans | 51,409 | $2.18M | 0.00% | −2,210−4.1% | Reduced |
| Millrace Asset Group, Inc. | 46,304 | $1.96M | 1.99% | +46,304 | New |
| Amundi | 48,901 | $1.95M | 0.00% | +532+1.1% | Added |
| Price T Rowe Associates Inc | 45,200 | $1.92M | 0.00% | +409+0.9% | Added |
| Wells Fargo & Company | 45,092 | $1.91M | 0.00% | +1,716+4.0% | Added |
| State of New Jersey Common Pension Fund D | 44,776 | $1.90M | 0.01% | +8,837+24.6% | Added |
| Deutsche Bank AG | 42,463 | $1.80M | 0.00% | +8,814+26.2% | Added |
| Qube Research & Technologies Ltd | 42,193 | $1.79M | 0.00% | +42,193 | New |
| Tudor Investment Corp Et Al | 40,749 | $1.73M | 0.02% | −24,477−37.5% | Reduced |
| Susquehanna International Group, LLP | 39,507 | $1.68M | 0.00% | +5,533+16.3% | Added |
| MetLife Investment Management | 37,422 | $1.59M | 0.01% | +21,086+129.1% | Added |
| State of Alaska, Department of Revenue | 37,358 | $1.58M | 0.02% | −564−1.5% | Reduced |
| Corebridge Financial, Inc. | 37,200 | $1.58M | 0.01% | −359−1.0% | Reduced |
| Algert Global LLC | 37,113 | $1.57M | 0.04% | −8,150−18.0% | Reduced |
| LPL Financial LLC | 35,937 | $1.52M | 0.00% | −8,023−18.3% | Reduced |
| Squarepoint Ops LLC | 35,930 | $1.52M | 0.00% | −85,240−70.3% | Reduced |
| Manufacturers Life Insurance Company, The | 35,349 | $1.50M | 0.00% | −631−1.8% | Reduced |
| Stifel Financial Corp | 34,072 | $1.44M | 0.00% | +2,160+6.8% | Added |
| LMR Partners LLP | 33,824 | $1.43M | 0.03% | +23,743+235.5% | Added |
| JB Capital LLC | 33,729 | $1.43M | 0.08% | +2,259+7.2% | Added |
| Brinker Capital Investments, LLC | 33,663 | $1.43M | 0.01% | −3,713−9.9% | Reduced |
| Orion Portfolio Solutions, LLC | 33,663 | $1.43M | 0.01% | −3,713−9.9% | Reduced |
| US Bancorp | 33,600 | $1.42M | 0.00% | −3,320−9.0% | Reduced |
| Beacon Investment Advisory Services, Inc. | 32,610 | $1.38M | 0.06% | −970−2.9% | Reduced |
| Verition Fund Management LLC | 31,743 | $1.35M | 0.01% | −16,699−34.5% | Reduced |
| Louisiana State Employees Retirement System | 31,600 | $1.34M | 0.02% | −900−2.8% | Reduced |
| Cresset Asset Management, LLC | 31,452 | $1.33M | 0.01% | +1,569+5.3% | Added |
| Quantinno Capital Management LP | 31,145 | $1.32M | 0.02% | +9,385+43.1% | Added |
| SEI Investments Co | 30,551 | $1.30M | 0.00% | −5,599−15.5% | Reduced |
| Caption Management, LLC | 30,000 | $1.27M | 0.14% | +30,000 | New |
| Voya Investment Management LLC | 29,580 | $1.25M | 0.00% | −613−2.0% | Reduced |
| State of Tennessee, Treasury Department | 28,566 | $1.21M | 0.00% | −4,143−12.7% | Reduced |
| Comerica Bank | 27,786 | $1.18M | 0.00% | −116−0.4% | Reduced |
| HighMark Wealth Management LLC | 27,170 | $1.15M | 0.63% | 00.0% | Unchanged |
| ClariVest Asset Management LLC | 28,149 | $1.13M | 0.12% | 00.0% | Unchanged |
| Oppenheimer & Co Inc | 26,125 | $1.11M | 0.02% | +20,549+368.5% | Added |
| Janney Montgomery Scott LLC | 25,828 | $1.09M | 0.00% | −5,210−16.8% | Reduced |
| Yousif Capital Management, LLC | 25,785 | $1.09M | 0.01% | −506−1.9% | Reduced |
| Bridgewater Associates, LP | 25,635 | $1.09M | 0.01% | +13,299+107.8% | Added |
| Ensign Peak Advisors, Inc | 25,532 | $1.08M | 0.00% | 00.0% | Unchanged |
| Cinctive Capital Management LP | 23,723 | $1.01M | 0.06% | −13,382−36.1% | Reduced |
| Franklin Resources Inc | 26,785 | $1.00M | 0.00% | +13,088+95.6% | Added |
| Shell Asset Management Co | 22,478 | $953.0K | 0.04% | +22,478 | New |
| Bessemer Group Inc | 22,227 | $942.0K | 0.00% | +167+0.8% | Added |
| Commerce Bank | 22,164 | $940.0K | 0.01% | +6,437+40.9% | Added |
| Maryland State Retirement & Pension System | 22,107 | $937.6K | 0.02% | −413−1.8% | Reduced |
| Handelsbanken Fonder AB | 22,000 | $933.0K | 0.00% | +4,400+25.0% | Added |
| Brevan Howard Capital Management LP | 21,932 | $930.1K | 0.04% | +21,932 | New |
| Teachers Retirement System of the State of Kentucky | 21,290 | $903.0K | 0.01% | 00.0% | Unchanged |
| Mangrove Partners | 20,699 | $877.8K | 0.08% | +20,699 | New |
| The PNC Financial Services Group, Inc. | 19,519 | $827.8K | 0.00% | +5,247+36.8% | Added |
| Amalgamated Bank | 19,292 | $818.0K | 0.01% | −457−2.3% | Reduced |
| Arizona State Retirement System | 18,599 | $788.8K | 0.00% | +524+2.9% | Added |
| State Board of Administration of Florida Retirement System | 18,552 | $786.8K | 0.00% | 00.0% | Unchanged |
| Intech Investment Management LLC | 18,336 | $777.6K | 0.01% | +11,173+156.0% | Added |
| Mariner, LLC | 17,205 | $729.7K | 0.00% | +235+1.4% | Added |
| Raymond James Financial Services Advisors, Inc. | 17,189 | $729.0K | 0.00% | +494+3.0% | Added |
| MN Wealth Advisors, LLC | 16,848 | $714.5K | 0.41% | +2,125+14.4% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 15,664 | $664.3K | 0.00% | +704+4.7% | Added |
| Apollon Wealth Management, LLC | 15,531 | $658.7K | 0.02% | −318−2.0% | Reduced |
| Oregon Public Employees Retirement Fund | 15,410 | $653.5K | 0.01% | −284−1.8% | Reduced |
| Pacific Capital Partners Ltd | 15,282 | $648.1K | 0.38% | 00.0% | Unchanged |
| Shay Capital LLC | 15,000 | $636.1K | 0.19% | +15,000 | New |
| Diversified Trust Co | 14,635 | $620.7K | 0.02% | 00.0% | Unchanged |
| Headlands Technologies LLC | 14,193 | $601.9K | 0.07% | +12,133+589.0% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 13,993 | $593.4K | 0.00% | +75+0.5% | Added |
| Hanseatic Management Services Inc | 13,941 | $591.2K | 0.84% | +710+5.4% | Added |
| ProShare Advisors LLC | 13,886 | $588.9K | 0.00% | +13,886 | New |
| Legato Capital Management LLC | 13,805 | $585.5K | 0.07% | −15,065−52.2% | Reduced |
| Cambridge Investment Research Advisors, Inc. | 13,667 | $580.0K | 0.00% | +679+5.2% | Added |
| Landscape Capital Management, L.L.C. | 13,554 | $574.8K | 0.06% | +1,313+10.7% | Added |
| Cetera Investment Advisers | 13,204 | $560.0K | 0.00% | +1,262+10.6% | Added |
| HSBC Holdings PLC | 13,278 | $559.5K | 0.00% | +7,251+120.3% | Added |
| RiverPark Advisors, LLC | 12,902 | $547.2K | 0.45% | +1,772+15.9% | Added |
| Natixis | 12,200 | $517.4K | 0.00% | +12,200 | New |
| Bayesian Capital Management, LP | 12,062 | $511.5K | 0.06% | +12,062 | New |
| Susquehanna Portfolio Strategies, LLC | 12,041 | $510.7K | 0.03% | −2,101−14.9% | Reduced |
| Everence Capital Management Inc | 11,950 | $507.0K | 0.03% | +2,930+32.5% | Added |
| Davy Global Fund Management Ltd | 11,851 | $502.6K | 0.05% | 00.0% | Unchanged |
| Guggenheim Capital LLC | 11,499 | $487.7K | 0.00% | +599+5.5% | Added |
| Atria Investments LLC | 10,956 | $464.6K | 0.01% | +280+2.6% | Added |
| Point72 Hong Kong Ltd | 10,928 | $463.5K | 0.03% | +10,928 | New |
| Creative Planning | 10,540 | $447.0K | 0.00% | −1,395−11.7% | Reduced |
| Neuberger Berman Group LLC | 10,393 | $440.8K | 0.00% | +1,820+21.2% | Added |
| Advisors Asset Management, Inc. | 10,200 | $432.6K | 0.01% | +1,525+17.6% | Added |
| Captrust Financial Advisors | 10,170 | $431.3K | 0.00% | +1,647+19.3% | Added |
| Mutual of America Capital Management LLC | 9,847 | $417.6K | 0.00% | −770−7.3% | Reduced |
| Bank of Montreal | 9,595 | $407.3K | 0.00% | −10,395−52.0% | Reduced |
| Keybank National Association | 9,408 | $399.0K | 0.00% | −24−0.3% | Reduced |
| SG Americas Securities, LLC | 8,989 | $381.0K | 0.00% | −68,658−88.4% | Reduced |
| Advisor Group Holdings, Inc. | 8,513 | $361.0K | 0.00% | +112+1.3% | Added |
| Lawson Kroeker Investment Management Inc | 8,500 | $360.5K | 0.07% | 00.0% | Unchanged |
| AQR Capital Management LLC | 8,489 | $360.0K | 0.00% | +1,162+15.9% | Added |
| Aviva PLC | 8,361 | $354.6K | 0.00% | −2,600−23.7% | Reduced |