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 |
|---|---|---|---|---|---|
| Capital Advisors, Ltd. LLC | 13 | $0 | 0.00% | 00.0% | Unchanged |
| Proequities, Inc. | 1 | $35 | 0.00% | 00.0% | Unchanged |
| MV Capital Management, Inc. | 1 | $37 | 0.00% | 00.0% | Unchanged |
| Bryn Mawr Trust Co | 5 | $180 | 0.00% | 00.0% | Unchanged |
| Elequin Capital LP | 6 | $216 | 0.00% | −115−95.0% | Reduced |
| Abound Wealth Management | 6 | $217 | 0.00% | 00.0% | Unchanged |
| Larson Financial Group LLC | 7 | $252 | 0.00% | 00.0% | Unchanged |
| Bruce G. Allen Investments, LLC | 8 | $288 | 0.00% | 00.0% | Unchanged |
| Evermay Wealth Management LLC | 9 | $325 | 0.00% | +9 | New |
| Whipplewood Advisors, LLC | 13 | $468 | 0.00% | +13 | New |
| JFS Wealth Advisors, LLC | 15 | $541 | 0.00% | 00.0% | Unchanged |
| SRS Capital Advisors, Inc. | 17 | $613 | 0.00% | −9−34.6% | Reduced |
| SBI Securities Co., Ltd. | 19 | $684 | 0.00% | +19 | New |
| Central Trust Co | 20 | $721 | 0.00% | 00.0% | Unchanged |
| Fortitude Family Office, LLC | 21 | $756 | 0.00% | 00.0% | Unchanged |
| Prestige Wealth Management Group LLC | 28 | $1.01K | 0.00% | +28 | New |
| Huntington National Bank | 29 | $1.04K | 0.00% | −105−78.4% | Reduced |
| Aventura Private Wealth, LLC | 30 | $1.08K | 0.00% | +30 | New |
| Eastern Bank | 32 | $1.15K | 0.00% | 00.0% | Unchanged |
| Sachetta, LLC | 35 | $1.26K | 0.00% | 00.0% | Unchanged |
| 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 |
| Transce3nd, LLC | 40 | $1.44K | 0.00% | +40 | New |
| Golden State Wealth Management, LLC | 41 | $1.48K | 0.00% | +41 | New |
| Farmers & Merchants Investments Inc | 50 | $1.80K | 0.00% | 00.0% | Unchanged |
| Cohen & Steers, Inc. | 67 | $2.00K | 0.00% | 00.0% | Unchanged |
| Quent Capital, LLC | 60 | $2.16K | 0.00% | −286−82.7% | Reduced |
| Bartlett & Co. Wealth Management LLC | 62 | $2.23K | 0.00% | 00.0% | Unchanged |
| Sterling Capital Management LLC | 67 | $2.41K | 0.00% | 00.0% | Unchanged |
| Massmutual Trust Co FSB | 68 | $2.45K | 0.00% | −3−4.2% | Reduced |
| Rothschild Investment LLC | 70 | $2.52K | 0.00% | +20+40.0% | Added |
| 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 |
| Allworth Financial LP | 82 | $2.87K | 0.00% | −4−4.7% | Reduced |
| Avalon Trust Co | 88 | $3.17K | 0.00% | +88 | New |
| MAI Capital Management | 89 | $3.21K | 0.00% | +89 | New |
| LGT Financial Advisors LLC | 89 | $3.21K | 0.01% | +89 | New |
| IFP Advisors, Inc | 95 | $3.49K | 0.00% | −1−1.0% | Reduced |
| Front Row Advisors LLC | 100 | $3.60K | 0.00% | 00.0% | Unchanged |
| Continuum Advisory, LLC | 100 | $3.60K | 0.00% | 00.0% | Unchanged |
| Whittier Trust Co | 115 | $4.14K | 0.00% | 00.0% | Unchanged |
| Steward Partners Investment Advisory, LLC | 130 | $4.68K | 0.00% | +130 | New |
| Private Trust Co NA | 135 | $4.86K | 0.00% | 00.0% | Unchanged |
| Johnson Financial Group, Inc. | 132 | $4.89K | 0.00% | +64+94.1% | Added |
| Umb Bank N A | 138 | $4.97K | 0.00% | −100−42.0% | Reduced |
| GWM Advisors LLC | 158 | $5.69K | 0.00% | 00.0% | Unchanged |
| Mather Group, LLC. | 170 | $6.12K | 0.00% | 00.0% | Unchanged |
| CIBC Private Wealth Group, LLC | 182 | $6.82K | 0.00% | −80−30.5% | Reduced |
| Harbour Investments, Inc. | 204 | $7.35K | 0.00% | 00.0% | Unchanged |
| Principal Securities, Inc. | 221 | $7.96K | 0.00% | −60−21.4% | Reduced |
| MCF Advisors LLC | 223 | $8.03K | 0.00% | −868−79.6% | Reduced |
| EverSource Wealth Advisors, LLC | 268 | $9.65K | 0.00% | +25+10.3% | Added |
| R Squared Ltd | 270 | $9.72K | 0.01% | +270 | New |
| Quarry LP | 272 | $9.80K | 0.00% | +272 | New |
| Covestor Ltd | 290 | $10.0K | 0.01% | +1+0.3% | Added |
| Lindbrook Capital, LLC | 280 | $10.1K | 0.00% | −183−39.5% | Reduced |
| Northwestern Mutual Wealth Management Co | 311 | $11.2K | 0.00% | +51+19.6% | Added |
| Toth Financial Advisory Corp | 325 | $11.7K | 0.00% | 00.0% | Unchanged |
| Fifth Third Bancorp | 427 | $15.4K | 0.00% | −10−2.3% | Reduced |
| Newbridge Financial Services Group, Inc. | 560 | $20.2K | 0.01% | +560 | New |
| Versant Capital Management, Inc | 584 | $21.0K | 0.00% | +207+54.9% | Added |
| Skopos Labs, Inc. | 656 | $23.6K | 0.01% | 00.0% | Unchanged |
| Global Retirement Partners, LLC | 690 | $24.9K | 0.00% | 00.0% | Unchanged |
| Point72 Asia (Singapore) Pte. Ltd. | 899 | $32.4K | 0.01% | −1,569−63.6% | Reduced |
| Quest Partners LLC | 931 | $33.5K | 0.00% | +541+138.7% | Added |
| CWM, LLC | 934 | $34.0K | 0.00% | +118+14.5% | Added |
| First Horizon Advisors, Inc. | 975 | $35.1K | 0.00% | +214+28.1% | Added |
| Salem Investment Counselors Inc | 1,000 | $36.0K | 0.00% | 00.0% | Unchanged |
| Jones Financial Companies LLLP | 1,130 | $40.7K | 0.00% | +748+195.8% | Added |
| Parallel Advisors, LLC | 1,190 | $42.9K | 0.00% | −26−2.1% | Reduced |
| McIlrath & Eck, LLC | 1,215 | $43.8K | 0.01% | 00.0% | Unchanged |
| Assetmark, Inc | 1,225 | $44.1K | 0.00% | +535+77.5% | Added |
| CoreCap Advisors, LLC | 1,283 | $46.2K | 0.00% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 1,291 | $46.5K | 0.00% | −4,559−77.9% | Reduced |
| AdvisorNet Financial, Inc | 1,539 | $55.4K | 0.00% | 00.0% | Unchanged |
| Group One Trading, L.P. | 1,589 | $57.2K | 0.00% | −2,734−63.2% | Reduced |
| Smartleaf Asset Management LLC | 1,775 | $65.4K | 0.01% | +1,101+163.4% | Added |
| Venturi Wealth Management, LLC | 2,059 | $74.2K | 0.00% | +2,025+5,955.9% | Added |
| Walleye Capital LLC | 2,098 | $75.6K | 0.00% | +1,279+156.2% | Added |
| Signaturefd, LLC | 2,265 | $81.6K | 0.00% | +51+2.3% | Added |
| Creative Financial Designs Inc | 2,522 | $90.8K | 0.01% | 00.0% | Unchanged |
| Stonehage Fleming Financial Services Holdings Ltd | 2,551 | $91.9K | 0.00% | +2,551 | New |
| Leonteq Securities AG | 2,766 | $99.6K | 0.01% | +1,644+146.5% | Added |
| State of Wyoming | 2,996 | $107.9K | 0.01% | +1,467+95.9% | Added |
| SG Americas Securities, LLC | 3,506 | $126.0K | 0.00% | −5,483−61.0% | Reduced |
| Arcadia Investment Management Corp | 3,584 | $129.1K | 0.02% | +3,584 | New |
| Farther Finance Advisors, LLC | 3,766 | $135.7K | 0.00% | +10.0% | Added |
| Tower Research Capital LLC (TRC) | 3,902 | $140.6K | 0.00% | +1,977+102.7% | Added |
| GAMMA Investing LLC | 4,887 | $176.0K | 0.02% | −118−2.4% | Reduced |
| Van Eck Associates Corp | 4,901 | $177.0K | 0.00% | +1,074+28.1% | Added |
| Avantax Advisory Services, Inc. | 5,589 | $201.3K | 0.00% | −917−14.1% | Reduced |
| Roundview Capital LLC | 5,594 | $201.5K | 0.01% | +250+4.7% | Added |
| Tarbox Family Office, Inc. | 5,601 | $201.7K | 0.03% | 00.0% | Unchanged |
| Qsemble Capital Management, LP | 5,606 | $201.9K | 0.03% | +5,606 | New |
| Advisor Group Holdings, Inc. | 5,729 | $206.3K | 0.00% | −2,784−32.7% | Reduced |
| Quadrant Capital Group LLC | 5,800 | $208.9K | 0.01% | −1,148−16.5% | Reduced |
| Evergreen Capital Management LLC | 5,945 | $214.1K | 0.01% | −727−10.9% | Reduced |
| Aigen Investment Management, LP | 5,992 | $215.8K | 0.04% | +5,992 | New |
| Advisory Services Network, LLC | 6,054 | $218.1K | 0.00% | −896−12.9% | Reduced |
| Pathstone Holdings, LLC | 6,124 | $220.6K | 0.00% | −177−2.8% | Reduced |