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, Q4 2024
Institutional positions in Tandem Diabetes Care Inc as of Dec 31, 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
- 316
- −10 vs. Q3 2024
- Shares held
- 72.1M
- −803.0K (−1.1%) vs. Q3 2024
- Total value
- $2.60B
- −$494.1M (−16.0%) vs. Q3 2024
- New holders
- 42
- 138 more added
- Sold out
- 52
- 90 more reduced
6 institutions that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2024
Shares, value and share of portfolio for each institution holding Tandem Diabetes Care Inc; share changes are against Q3 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Private Advisor Group, LLC | 6,135 | $221.0K | 0.00% | +939+18.1% | Added |
| CIBC World Markets Corp | 6,145 | $221.3K | 0.00% | +6,145 | New |
| RWC Asset Management LLP | 6,147 | $221.4K | 0.01% | +6,147 | New |
| Coldstream Capital Management Inc | 6,185 | $222.8K | 0.00% | −27−0.4% | Reduced |
| Los Angeles Capital Management LLC | 6,205 | $223.5K | 0.00% | 00.0% | Unchanged |
| Envestnet Portfolio Solutions, Inc. | 6,560 | $236.3K | 0.00% | +1,184+22.0% | Added |
| Quantitative Investment Management, LLC | 6,706 | $241.0K | 0.02% | +6,706 | New |
| Commonwealth Equity Services, LLC | 6,740 | $243.0K | 0.00% | −1,417−17.4% | Reduced |
| 180 Wealth Advisors, LLC | 6,776 | $244.1K | 0.04% | +60+0.9% | Added |
| Keybank National Association | 6,793 | $244.7K | 0.00% | −2,615−27.8% | Reduced |
| Ameritas Investment Partners, Inc. | 6,870 | $247.5K | 0.01% | +525+8.3% | Added |
| Regions Financial Corp | 6,879 | $247.8K | 0.00% | −74−1.1% | Reduced |
| Oppenheimer & Co Inc | 6,922 | $249.3K | 0.00% | −19,203−73.5% | Reduced |
| Wiley Bros.-Aintree Capital, LLC | 7,196 | $265.0K | 0.00% | +7,196 | New |
| Bridgewater Associates, LP | 7,378 | $265.8K | 0.00% | −18,257−71.2% | Reduced |
| Pictet Asset Management Holding SA | 7,465 | $268.9K | 0.00% | 00.0% | Unchanged |
| XTX Topco Ltd | 7,490 | $269.8K | 0.02% | +2,273+43.6% | Added |
| Creative Planning | 7,582 | $273.1K | 0.00% | −2,958−28.1% | Reduced |
| Cresset Asset Management, LLC | 7,644 | $275.3K | 0.00% | −23,808−75.7% | Reduced |
| Public Employees Retirement Association of Colorado | 7,650 | $276.0K | 0.00% | 00.0% | Unchanged |
| LVW Advisors, LLC | 7,798 | $280.9K | 0.03% | +944+13.8% | Added |
| CI Private Wealth, LLC | 7,844 | $282.5K | 0.00% | +962+14.0% | Added |
| Stephens Inc | 7,890 | $284.2K | 0.00% | +238+3.1% | Added |
| AlphaCentric Advisors LLC | 8,105 | $291.9K | 0.29% | +8,105 | New |
| EntryPoint Capital, LLC | 8,167 | $294.2K | 0.12% | +8,167 | New |
| Inceptionr LLC | 8,273 | $298.0K | 0.07% | +1,478+21.8% | Added |
| MML Investors Services, LLC | 8,276 | $298.0K | 0.00% | +1,077+15.0% | Added |
| Aviva PLC | 8,361 | $301.2K | 0.00% | 00.0% | Unchanged |
| Lawson Kroeker Investment Management Inc | 8,500 | $306.2K | 0.06% | 00.0% | Unchanged |
| Bayforest Capital Ltd | 8,852 | $318.8K | 0.40% | +8,852 | New |
| Park Avenue Securities LLC | 8,914 | $321.0K | 0.00% | +2,286+34.5% | Added |
| Jefferies Financial Group Inc. | 9,158 | $329.9K | 0.00% | −369,178−97.6% | Reduced |
| Sherbrooke Park Advisers LLC | 9,225 | $332.3K | 0.11% | +9,225 | New |
| HighTower Advisors, LLC | 9,533 | $343.4K | 0.00% | +9,533 | New |
| Mutual of America Capital Management LLC | 9,949 | $358.4K | 0.00% | +102+1.0% | Added |
| Bank of Montreal | 10,004 | $360.3K | 0.00% | +409+4.3% | Added |
| Atria Investments LLC | 10,101 | $363.8K | 0.00% | −855−7.8% | Reduced |
| Neuberger Berman Group LLC | 10,375 | $373.7K | 0.00% | −18−0.2% | Reduced |
| Davy Global Fund Management Ltd | 11,851 | $426.9K | 0.05% | 00.0% | Unchanged |
| Edgestream Partners, L.P. | 12,796 | $460.9K | 0.02% | +7,791+155.7% | Added |
| KLP Kapitalforvaltning AS | 13,500 | $486.3K | 0.00% | +13,500 | New |
| Police & Firemen's Retirement System of New Jersey | 13,900 | $500.7K | 0.00% | +13,900 | New |
| AQR Capital Management LLC | 13,905 | $500.9K | 0.00% | +5,416+63.8% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 14,021 | $505.0K | 0.00% | +28+0.2% | Added |
| Y-Intercept (Hong Kong) Ltd | 14,147 | $509.6K | 0.03% | +14,147 | New |
| Cetera Investment Advisers | 14,185 | $510.9K | 0.00% | +981+7.4% | Added |
| Diversified Trust Co | 14,623 | $526.7K | 0.01% | −12−0.1% | Reduced |
| Apollon Wealth Management, LLC | 14,812 | $533.5K | 0.01% | −719−4.6% | Reduced |
| Oregon Public Employees Retirement Fund | 15,471 | $557.3K | 0.01% | +61+0.4% | Added |
| Guggenheim Capital LLC | 16,107 | $580.2K | 0.00% | +4,608+40.1% | Added |
| Mariner, LLC | 16,881 | $608.1K | 0.00% | −324−1.9% | Reduced |
| Canada Pension Plan Investment Board | 16,900 | $608.7K | 0.00% | +15,100+838.9% | Added |
| Connective Capital Management, LLC | 16,960 | $610.9K | 0.71% | +16,960 | New |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 17,946 | $646.4K | 0.00% | +2,282+14.6% | Added |
| MN Wealth Advisors, LLC | 17,954 | $646.7K | 0.36% | +1,106+6.6% | Added |
| Captrust Financial Advisors | 18,513 | $666.8K | 0.00% | +8,343+82.0% | Added |
| State Board of Administration of Florida Retirement System | 18,552 | $668.2K | 0.00% | 00.0% | Unchanged |
| Beacon Investment Advisory Services, Inc. | 18,905 | $681.0K | 0.03% | −13,705−42.0% | Reduced |
| Arizona State Retirement System | 18,961 | $683.0K | 0.00% | +362+1.9% | Added |
| Amalgamated Bank | 19,224 | $692.0K | 0.01% | −68−0.4% | Reduced |
| Landscape Capital Management, L.L.C. | 19,635 | $707.3K | 0.08% | +6,081+44.9% | Added |
| ProShare Advisors LLC | 19,789 | $712.8K | 0.00% | +5,903+42.5% | Added |
| Legato Capital Management LLC | 20,335 | $732.5K | 0.10% | +6,530+47.3% | Added |
| Advisors Asset Management, Inc. | 20,796 | $749.1K | 0.01% | +10,596+103.9% | Added |
| Moore Capital Management, LP | 20,998 | $756.3K | 0.01% | +20,998 | New |
| Aquatic Capital Management LLC | 21,246 | $765.3K | 0.02% | −46,254−68.5% | Reduced |
| Teachers Retirement System of the State of Kentucky | 21,290 | $767.0K | 0.01% | 00.0% | Unchanged |
| B. Metzler seel. Sohn & Co. AG | 21,870 | $787.8K | 0.01% | +21,870 | New |
| Handelsbanken Fonder AB | 22,000 | $792.0K | 0.00% | 00.0% | Unchanged |
| Maryland State Retirement & Pension System | 22,107 | $796.3K | 0.02% | 00.0% | Unchanged |
| The PNC Financial Services Group, Inc. | 22,239 | $801.0K | 0.00% | +2,720+13.9% | Added |
| Bessemer Group Inc | 22,524 | $811.0K | 0.00% | +297+1.3% | Added |
| Cambridge Investment Research Advisors, Inc. | 23,953 | $863.0K | 0.00% | +10,286+75.3% | Added |
| BNP Paribas Arbitrage, SA | 24,819 | $894.0K | 0.00% | −268,768−91.5% | Reduced |
| HighMark Wealth Management LLC | 25,170 | $906.6K | 0.52% | −2,000−7.4% | Reduced |
| Yousif Capital Management, LLC | 25,398 | $914.8K | 0.01% | −387−1.5% | Reduced |
| Ensign Peak Advisors, Inc | 25,532 | $919.7K | 0.00% | 00.0% | Unchanged |
| Shell Asset Management Co | 26,281 | $947.0K | 0.04% | +3,803+16.9% | Added |
| Franklin Resources Inc | 26,814 | $965.8K | 0.00% | +29+0.1% | Added |
| Commerce Bank | 26,889 | $968.5K | 0.01% | +4,725+21.3% | Added |
| Teacher Retirement System of Texas | 27,570 | $993.0K | 0.00% | +27,570 | New |
| Comerica Bank | 27,953 | $1.01M | 0.00% | +167+0.6% | Added |
| HSBC Holdings PLC | 27,779 | $1.02M | 0.00% | +14,501+109.2% | Added |
| Intech Investment Management LLC | 28,658 | $1.03M | 0.01% | +10,322+56.3% | Added |
| Janus Henderson Group PLC | 29,811 | $1.07M | 0.00% | −883,730−96.7% | Reduced |
| State of Tennessee, Treasury Department | 29,836 | $1.07M | 0.00% | +1,270+4.4% | Added |
| Susquehanna International Group, LLP | 30,070 | $1.08M | 0.00% | −9,437−23.9% | Reduced |
| Brinker Capital Investments, LLC | 30,074 | $1.08M | 0.01% | −3,589−10.7% | Reduced |
| Orion Portfolio Solutions, LLC | 30,074 | $1.08M | 0.01% | −3,589−10.7% | Reduced |
| Janney Montgomery Scott LLC | 30,240 | $1.09M | 0.00% | +4,412+17.1% | Added |
| Jane Street Group, LLC | 31,251 | $1.13M | 0.00% | −84,136−72.9% | Reduced |
| Louisiana State Employees Retirement System | 31,800 | $1.15M | 0.02% | +200+0.6% | Added |
| Integrated Quantitative Investments LLC | 31,900 | $1.15M | 0.57% | +31,900 | New |
| Stifel Financial Corp | 34,773 | $1.25M | 0.00% | +701+2.1% | Added |
| Corebridge Financial, Inc. | 34,962 | $1.26M | 0.01% | −2,238−6.0% | Reduced |
| Manufacturers Life Insurance Company, The | 35,031 | $1.26M | 0.00% | −318−0.9% | Reduced |
| State of Alaska, Department of Revenue | 37,326 | $1.34M | 0.02% | −32−0.1% | Reduced |
| Jump Financial, LLC | 37,710 | $1.36M | 0.03% | +37,710 | New |
| US Bancorp | 38,708 | $1.39M | 0.00% | +5,108+15.2% | Added |
| JB Capital LLC | 39,213 | $1.41M | 0.08% | +5,484+16.3% | Added |