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 |
|---|---|---|---|---|---|
| XTX Topco Ltd | 5,217 | $221.3K | 0.02% | −5,550−51.5% | Reduced |
| Resources Investment Advisors, LLC. | 5,314 | $225.4K | 0.00% | −95−1.8% | Reduced |
| Roundview Capital LLC | 5,344 | $226.6K | 0.02% | 00.0% | Unchanged |
| Envestnet Portfolio Solutions, Inc. | 5,376 | $228.0K | 0.00% | +5,376 | New |
| Tarbox Family Office, Inc. | 5,601 | $237.5K | 0.04% | 00.0% | Unchanged |
| Occudo Quantitative Strategies LP | 5,759 | $244.2K | 0.04% | −1,356−19.1% | Reduced |
| Pictet & Cie (Europe) SA | 5,772 | $244.8K | 0.01% | −4,644−44.6% | Reduced |
| Wolverine Trading, LLC | 5,770 | $244.9K | 0.01% | +5,770 | New |
| Nisa Investment Advisors, LLC | 5,850 | $248.1K | 0.00% | −86−1.4% | Reduced |
| Los Angeles Capital Management LLC | 6,205 | $263.2K | 0.00% | +6,205 | New |
| Coldstream Capital Management Inc | 6,212 | $263.5K | 0.01% | +762+14.0% | Added |
| Pathstone Holdings, LLC | 6,301 | $267.2K | 0.00% | +463+7.9% | Added |
| Ameritas Investment Partners, Inc. | 6,345 | $269.1K | 0.01% | 00.0% | Unchanged |
| Avantax Advisory Services, Inc. | 6,506 | $275.9K | 0.00% | +505+8.4% | Added |
| Advisory Services Network, LLC | 6,950 | $280.0K | 0.01% | 00.0% | Unchanged |
| Park Avenue Securities LLC | 6,628 | $281.0K | 0.00% | −1,951−22.7% | Reduced |
| Blueshift Asset Management, LLC | 6,641 | $281.6K | 0.07% | +6,641 | New |
| Evergreen Capital Management LLC | 6,672 | $283.0K | 0.01% | −264−3.8% | Reduced |
| 180 Wealth Advisors, LLC | 6,716 | $284.8K | 0.04% | −246−3.5% | Reduced |
| Inceptionr LLC | 6,795 | $288.2K | 0.07% | +6,795 | New |
| LVW Advisors, LLC | 6,854 | $290.7K | 0.04% | −1,015−12.9% | Reduced |
| CI Private Wealth, LLC | 6,882 | $291.9K | 0.00% | −3,428−33.2% | Reduced |
| Quadrant Capital Group LLC | 6,948 | $294.7K | 0.02% | −49−0.7% | Reduced |
| Regions Financial Corp | 6,953 | $294.9K | 0.00% | +270+4.0% | Added |
| Summit Trail Advisors, LLC | 7,054 | $299.2K | 0.01% | +7,054 | New |
| Nomura Holdings Inc | 7,151 | $303.3K | 0.00% | −1,963−21.5% | Reduced |
| MML Investors Services, LLC | 7,199 | $305.0K | 0.00% | +114+1.6% | Added |
| Danske Bank A/S | 7,284 | $308.9K | 0.00% | +7,284 | New |
| Pictet Asset Management Holding SA | 7,465 | $316.6K | 0.00% | 00.0% | Unchanged |
| Public Employees Retirement Association of Colorado | 7,650 | $324.0K | 0.00% | 00.0% | Unchanged |
| Stephens Inc | 7,652 | $324.5K | 0.00% | −299−3.8% | Reduced |
| Commonwealth Equity Services, LLC | 8,157 | $346.0K | 0.00% | −261−3.1% | Reduced |
| Aviva PLC | 8,361 | $354.6K | 0.00% | −2,600−23.7% | Reduced |
| AQR Capital Management LLC | 8,489 | $360.0K | 0.00% | +1,162+15.9% | Added |
| Lawson Kroeker Investment Management Inc | 8,500 | $360.5K | 0.07% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 8,513 | $361.0K | 0.00% | +112+1.3% | Added |
| SG Americas Securities, LLC | 8,989 | $381.0K | 0.00% | −68,658−88.4% | Reduced |
| Keybank National Association | 9,408 | $399.0K | 0.00% | −24−0.3% | Reduced |
| Bank of Montreal | 9,595 | $407.3K | 0.00% | −10,395−52.0% | Reduced |
| Mutual of America Capital Management LLC | 9,847 | $417.6K | 0.00% | −770−7.3% | Reduced |
| Captrust Financial Advisors | 10,170 | $431.3K | 0.00% | +1,647+19.3% | Added |
| Advisors Asset Management, Inc. | 10,200 | $432.6K | 0.01% | +1,525+17.6% | Added |
| Neuberger Berman Group LLC | 10,393 | $440.8K | 0.00% | +1,820+21.2% | Added |
| Creative Planning | 10,540 | $447.0K | 0.00% | −1,395−11.7% | Reduced |
| Point72 Hong Kong Ltd | 10,928 | $463.5K | 0.03% | +10,928 | New |
| Atria Investments LLC | 10,956 | $464.6K | 0.01% | +280+2.6% | Added |
| Guggenheim Capital LLC | 11,499 | $487.7K | 0.00% | +599+5.5% | Added |
| Davy Global Fund Management Ltd | 11,851 | $502.6K | 0.05% | 00.0% | Unchanged |
| Everence Capital Management Inc | 11,950 | $507.0K | 0.03% | +2,930+32.5% | Added |
| Susquehanna Portfolio Strategies, LLC | 12,041 | $510.7K | 0.03% | −2,101−14.9% | Reduced |
| Bayesian Capital Management, LP | 12,062 | $511.5K | 0.06% | +12,062 | New |
| Natixis | 12,200 | $517.4K | 0.00% | +12,200 | New |
| RiverPark Advisors, LLC | 12,902 | $547.2K | 0.45% | +1,772+15.9% | Added |
| HSBC Holdings PLC | 13,278 | $559.5K | 0.00% | +7,251+120.3% | Added |
| Cetera Investment Advisers | 13,204 | $560.0K | 0.00% | +1,262+10.6% | Added |
| Landscape Capital Management, L.L.C. | 13,554 | $574.8K | 0.06% | +1,313+10.7% | Added |
| Cambridge Investment Research Advisors, Inc. | 13,667 | $580.0K | 0.00% | +679+5.2% | Added |
| Legato Capital Management LLC | 13,805 | $585.5K | 0.07% | −15,065−52.2% | Reduced |
| ProShare Advisors LLC | 13,886 | $588.9K | 0.00% | +13,886 | New |
| Hanseatic Management Services Inc | 13,941 | $591.2K | 0.84% | +710+5.4% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 13,993 | $593.4K | 0.00% | +75+0.5% | Added |
| Headlands Technologies LLC | 14,193 | $601.9K | 0.07% | +12,133+589.0% | Added |
| Diversified Trust Co | 14,635 | $620.7K | 0.02% | 00.0% | Unchanged |
| Shay Capital LLC | 15,000 | $636.1K | 0.19% | +15,000 | New |
| Pacific Capital Partners Ltd | 15,282 | $648.1K | 0.38% | 00.0% | Unchanged |
| Oregon Public Employees Retirement Fund | 15,410 | $653.5K | 0.01% | −284−1.8% | Reduced |
| Apollon Wealth Management, LLC | 15,531 | $658.7K | 0.02% | −318−2.0% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 15,664 | $664.3K | 0.00% | +704+4.7% | Added |
| MN Wealth Advisors, LLC | 16,848 | $714.5K | 0.41% | +2,125+14.4% | Added |
| Raymond James Financial Services Advisors, Inc. | 17,189 | $729.0K | 0.00% | +494+3.0% | Added |
| Mariner, LLC | 17,205 | $729.7K | 0.00% | +235+1.4% | Added |
| Intech Investment Management LLC | 18,336 | $777.6K | 0.01% | +11,173+156.0% | Added |
| State Board of Administration of Florida Retirement System | 18,552 | $786.8K | 0.00% | 00.0% | Unchanged |
| Arizona State Retirement System | 18,599 | $788.8K | 0.00% | +524+2.9% | Added |
| Amalgamated Bank | 19,292 | $818.0K | 0.01% | −457−2.3% | Reduced |
| The PNC Financial Services Group, Inc. | 19,519 | $827.8K | 0.00% | +5,247+36.8% | Added |
| Mangrove Partners | 20,699 | $877.8K | 0.08% | +20,699 | New |
| Teachers Retirement System of the State of Kentucky | 21,290 | $903.0K | 0.01% | 00.0% | Unchanged |
| Brevan Howard Capital Management LP | 21,932 | $930.1K | 0.04% | +21,932 | New |
| Handelsbanken Fonder AB | 22,000 | $933.0K | 0.00% | +4,400+25.0% | Added |
| Maryland State Retirement & Pension System | 22,107 | $937.6K | 0.02% | −413−1.8% | Reduced |
| Commerce Bank | 22,164 | $940.0K | 0.01% | +6,437+40.9% | Added |
| Bessemer Group Inc | 22,227 | $942.0K | 0.00% | +167+0.8% | Added |
| Shell Asset Management Co | 22,478 | $953.0K | 0.04% | +22,478 | New |
| Franklin Resources Inc | 26,785 | $1.00M | 0.00% | +13,088+95.6% | Added |
| Cinctive Capital Management LP | 23,723 | $1.01M | 0.06% | −13,382−36.1% | Reduced |
| Ensign Peak Advisors, Inc | 25,532 | $1.08M | 0.00% | 00.0% | Unchanged |
| Bridgewater Associates, LP | 25,635 | $1.09M | 0.01% | +13,299+107.8% | Added |
| Yousif Capital Management, LLC | 25,785 | $1.09M | 0.01% | −506−1.9% | Reduced |
| Janney Montgomery Scott LLC | 25,828 | $1.09M | 0.00% | −5,210−16.8% | Reduced |
| Oppenheimer & Co Inc | 26,125 | $1.11M | 0.02% | +20,549+368.5% | Added |
| ClariVest Asset Management LLC | 28,149 | $1.13M | 0.12% | 00.0% | Unchanged |
| HighMark Wealth Management LLC | 27,170 | $1.15M | 0.63% | 00.0% | Unchanged |
| Comerica Bank | 27,786 | $1.18M | 0.00% | −116−0.4% | Reduced |
| State of Tennessee, Treasury Department | 28,566 | $1.21M | 0.00% | −4,143−12.7% | Reduced |
| Voya Investment Management LLC | 29,580 | $1.25M | 0.00% | −613−2.0% | Reduced |
| Caption Management, LLC | 30,000 | $1.27M | 0.14% | +30,000 | New |
| SEI Investments Co | 30,551 | $1.30M | 0.00% | −5,599−15.5% | Reduced |
| Quantinno Capital Management LP | 31,145 | $1.32M | 0.02% | +9,385+43.1% | Added |
| Cresset Asset Management, LLC | 31,452 | $1.33M | 0.01% | +1,569+5.3% | Added |