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 |
|---|---|---|---|---|---|
| Bridgewater Associates, LP | 7,378 | $265.8K | 0.00% | −18,257−71.2% | Reduced |
| Wiley Bros.-Aintree Capital, LLC | 7,196 | $265.0K | 0.00% | +7,196 | New |
| Oppenheimer & Co Inc | 6,922 | $249.3K | 0.00% | −19,203−73.5% | Reduced |
| Regions Financial Corp | 6,879 | $247.8K | 0.00% | −74−1.1% | Reduced |
| Ameritas Investment Partners, Inc. | 6,870 | $247.5K | 0.01% | +525+8.3% | Added |
| Keybank National Association | 6,793 | $244.7K | 0.00% | −2,615−27.8% | Reduced |
| 180 Wealth Advisors, LLC | 6,776 | $244.1K | 0.04% | +60+0.9% | Added |
| Commonwealth Equity Services, LLC | 6,740 | $243.0K | 0.00% | −1,417−17.4% | Reduced |
| Quantitative Investment Management, LLC | 6,706 | $241.0K | 0.02% | +6,706 | New |
| Envestnet Portfolio Solutions, Inc. | 6,560 | $236.3K | 0.00% | +1,184+22.0% | Added |
| Los Angeles Capital Management LLC | 6,205 | $223.5K | 0.00% | 00.0% | Unchanged |
| Coldstream Capital Management Inc | 6,185 | $222.8K | 0.00% | −27−0.4% | Reduced |
| RWC Asset Management LLP | 6,147 | $221.4K | 0.01% | +6,147 | New |
| CIBC World Markets Corp | 6,145 | $221.3K | 0.00% | +6,145 | New |
| Private Advisor Group, LLC | 6,135 | $221.0K | 0.00% | +939+18.1% | Added |
| Pathstone Holdings, LLC | 6,124 | $220.6K | 0.00% | −177−2.8% | Reduced |
| Advisory Services Network, LLC | 6,054 | $218.1K | 0.00% | −896−12.9% | Reduced |
| Aigen Investment Management, LP | 5,992 | $215.8K | 0.04% | +5,992 | New |
| Evergreen Capital Management LLC | 5,945 | $214.1K | 0.01% | −727−10.9% | Reduced |
| Quadrant Capital Group LLC | 5,800 | $208.9K | 0.01% | −1,148−16.5% | Reduced |
| Advisor Group Holdings, Inc. | 5,729 | $206.3K | 0.00% | −2,784−32.7% | Reduced |
| Qsemble Capital Management, LP | 5,606 | $201.9K | 0.03% | +5,606 | New |
| Tarbox Family Office, Inc. | 5,601 | $201.7K | 0.03% | 00.0% | Unchanged |
| Roundview Capital LLC | 5,594 | $201.5K | 0.01% | +250+4.7% | Added |
| Avantax Advisory Services, Inc. | 5,589 | $201.3K | 0.00% | −917−14.1% | Reduced |
| Van Eck Associates Corp | 4,901 | $177.0K | 0.00% | +1,074+28.1% | Added |
| GAMMA Investing LLC | 4,887 | $176.0K | 0.02% | −118−2.4% | Reduced |
| Tower Research Capital LLC (TRC) | 3,902 | $140.6K | 0.00% | +1,977+102.7% | Added |
| Farther Finance Advisors, LLC | 3,766 | $135.7K | 0.00% | +10.0% | Added |
| Arcadia Investment Management Corp | 3,584 | $129.1K | 0.02% | +3,584 | New |
| SG Americas Securities, LLC | 3,506 | $126.0K | 0.00% | −5,483−61.0% | Reduced |
| State of Wyoming | 2,996 | $107.9K | 0.01% | +1,467+95.9% | Added |
| Leonteq Securities AG | 2,766 | $99.6K | 0.01% | +1,644+146.5% | Added |
| Stonehage Fleming Financial Services Holdings Ltd | 2,551 | $91.9K | 0.00% | +2,551 | New |
| Creative Financial Designs Inc | 2,522 | $90.8K | 0.01% | 00.0% | Unchanged |
| Signaturefd, LLC | 2,265 | $81.6K | 0.00% | +51+2.3% | Added |
| Walleye Capital LLC | 2,098 | $75.6K | 0.00% | +1,279+156.2% | Added |
| Venturi Wealth Management, LLC | 2,059 | $74.2K | 0.00% | +2,025+5,955.9% | Added |
| Smartleaf Asset Management LLC | 1,775 | $65.4K | 0.01% | +1,101+163.4% | Added |
| Group One Trading, L.P. | 1,589 | $57.2K | 0.00% | −2,734−63.2% | Reduced |
| AdvisorNet Financial, Inc | 1,539 | $55.4K | 0.00% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 1,291 | $46.5K | 0.00% | −4,559−77.9% | Reduced |
| CoreCap Advisors, LLC | 1,283 | $46.2K | 0.00% | 00.0% | Unchanged |
| Assetmark, Inc | 1,225 | $44.1K | 0.00% | +535+77.5% | Added |
| McIlrath & Eck, LLC | 1,215 | $43.8K | 0.01% | 00.0% | Unchanged |
| Parallel Advisors, LLC | 1,190 | $42.9K | 0.00% | −26−2.1% | Reduced |
| Jones Financial Companies LLLP | 1,130 | $40.7K | 0.00% | +748+195.8% | Added |
| Salem Investment Counselors Inc | 1,000 | $36.0K | 0.00% | 00.0% | Unchanged |
| First Horizon Advisors, Inc. | 975 | $35.1K | 0.00% | +214+28.1% | Added |
| CWM, LLC | 934 | $34.0K | 0.00% | +118+14.5% | Added |
| Quest Partners LLC | 931 | $33.5K | 0.00% | +541+138.7% | Added |
| Point72 Asia (Singapore) Pte. Ltd. | 899 | $32.4K | 0.01% | −1,569−63.6% | Reduced |
| Global Retirement Partners, LLC | 690 | $24.9K | 0.00% | 00.0% | Unchanged |
| Skopos Labs, Inc. | 656 | $23.6K | 0.01% | 00.0% | Unchanged |
| Versant Capital Management, Inc | 584 | $21.0K | 0.00% | +207+54.9% | Added |
| Newbridge Financial Services Group, Inc. | 560 | $20.2K | 0.01% | +560 | New |
| Fifth Third Bancorp | 427 | $15.4K | 0.00% | −10−2.3% | Reduced |
| Toth Financial Advisory Corp | 325 | $11.7K | 0.00% | 00.0% | Unchanged |
| Northwestern Mutual Wealth Management Co | 311 | $11.2K | 0.00% | +51+19.6% | Added |
| Lindbrook Capital, LLC | 280 | $10.1K | 0.00% | −183−39.5% | Reduced |
| Covestor Ltd | 290 | $10.0K | 0.01% | +1+0.3% | Added |
| Quarry LP | 272 | $9.80K | 0.00% | +272 | New |
| R Squared Ltd | 270 | $9.72K | 0.01% | +270 | New |
| EverSource Wealth Advisors, LLC | 268 | $9.65K | 0.00% | +25+10.3% | Added |
| MCF Advisors LLC | 223 | $8.03K | 0.00% | −868−79.6% | Reduced |
| Principal Securities, Inc. | 221 | $7.96K | 0.00% | −60−21.4% | Reduced |
| Harbour Investments, Inc. | 204 | $7.35K | 0.00% | 00.0% | Unchanged |
| CIBC Private Wealth Group, LLC | 182 | $6.82K | 0.00% | −80−30.5% | Reduced |
| Mather Group, LLC. | 170 | $6.12K | 0.00% | 00.0% | Unchanged |
| GWM Advisors LLC | 158 | $5.69K | 0.00% | 00.0% | Unchanged |
| Umb Bank N A | 138 | $4.97K | 0.00% | −100−42.0% | Reduced |
| Johnson Financial Group, Inc. | 132 | $4.89K | 0.00% | +64+94.1% | Added |
| Private Trust Co NA | 135 | $4.86K | 0.00% | 00.0% | Unchanged |
| Steward Partners Investment Advisory, LLC | 130 | $4.68K | 0.00% | +130 | New |
| Whittier Trust Co | 115 | $4.14K | 0.00% | 00.0% | Unchanged |
| Front Row Advisors LLC | 100 | $3.60K | 0.00% | 00.0% | Unchanged |
| Continuum Advisory, LLC | 100 | $3.60K | 0.00% | 00.0% | Unchanged |
| IFP Advisors, Inc | 95 | $3.49K | 0.00% | −1−1.0% | Reduced |
| MAI Capital Management | 89 | $3.21K | 0.00% | +89 | New |
| LGT Financial Advisors LLC | 89 | $3.21K | 0.01% | +89 | New |
| Avalon Trust Co | 88 | $3.17K | 0.00% | +88 | New |
| Allworth Financial LP | 82 | $2.87K | 0.00% | −4−4.7% | Reduced |
| Federation des caisses Desjardins du Quebec | 75 | $2.70K | 0.00% | −75−50.0% | Reduced |
| CarsonAllaria Wealth Management, Ltd. | 75 | $2.70K | 0.00% | 00.0% | Unchanged |
| Rothschild Investment LLC | 70 | $2.52K | 0.00% | +20+40.0% | Added |
| Massmutual Trust Co FSB | 68 | $2.45K | 0.00% | −3−4.2% | Reduced |
| Sterling Capital Management LLC | 67 | $2.41K | 0.00% | 00.0% | Unchanged |
| Bartlett & Co. Wealth Management LLC | 62 | $2.23K | 0.00% | 00.0% | Unchanged |
| Quent Capital, LLC | 60 | $2.16K | 0.00% | −286−82.7% | Reduced |
| Cohen & Steers, Inc. | 67 | $2.00K | 0.00% | 00.0% | Unchanged |
| Farmers & Merchants Investments Inc | 50 | $1.80K | 0.00% | 00.0% | Unchanged |
| Golden State Wealth Management, LLC | 41 | $1.48K | 0.00% | +41 | New |
| Transce3nd, LLC | 40 | $1.44K | 0.00% | +40 | New |
| Parkside Financial Bank & Trust | 36 | $1.30K | 0.00% | −24−40.0% | Reduced |
| Bell Investment Advisors, Inc | 36 | $1.30K | 0.00% | 00.0% | Unchanged |
| Sachetta, LLC | 35 | $1.26K | 0.00% | 00.0% | Unchanged |
| Eastern Bank | 32 | $1.15K | 0.00% | 00.0% | Unchanged |
| Aventura Private Wealth, LLC | 30 | $1.08K | 0.00% | +30 | New |
| Huntington National Bank | 29 | $1.04K | 0.00% | −105−78.4% | Reduced |
| Prestige Wealth Management Group LLC | 28 | $1.01K | 0.00% | +28 | New |