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 |
|---|---|---|---|---|---|
| Proequities, Inc. | 1 | $42 | 0.00% | 00.0% | Unchanged |
| MV Capital Management, Inc. | 1 | $43 | 0.00% | +1 | New |
| Bryn Mawr Trust Co | 5 | $212 | 0.00% | +5 | New |
| Mendota Financial Group, LLC | 5 | $213 | 0.00% | +5 | New |
| Abound Wealth Management | 6 | $255 | 0.00% | −1−14.3% | Reduced |
| Larson Financial Group LLC | 7 | $297 | 0.00% | 00.0% | Unchanged |
| Bruce G. Allen Investments, LLC | 8 | $339 | 0.00% | 00.0% | Unchanged |
| Capital Performance Advisors LLP | 9 | $382 | 0.00% | +9 | New |
| CVA Family Office, LLC | 11 | $467 | 0.00% | 00.0% | Unchanged |
| JFS Wealth Advisors, LLC | 15 | $637 | 0.00% | +15 | New |
| Clearstead Advisors, LLC | 16 | $679 | 0.00% | +16 | New |
| Tidemark, LLC | 20 | $848 | 0.00% | 00.0% | Unchanged |
| Central Trust Co | 20 | $849 | 0.00% | 00.0% | Unchanged |
| Fortitude Family Office, LLC | 21 | $891 | 0.00% | +21 | New |
| Capital Advisors, Ltd. LLC | 13 | $1.00K | 0.00% | 00.0% | Unchanged |
| SRS Capital Advisors, Inc. | 26 | $1.10K | 0.00% | +10+62.5% | Added |
| Eastern Bank | 32 | $1.36K | 0.00% | +32 | New |
| Venturi Wealth Management, LLC | 34 | $1.44K | 0.00% | 00.0% | Unchanged |
| Sachetta, LLC | 35 | $1.49K | 0.00% | 00.0% | Unchanged |
| Bell Investment Advisors, Inc | 36 | $1.53K | 0.00% | 00.0% | Unchanged |
| National Bank of Canada | 38 | $1.61K | 0.00% | +38 | New |
| Farmers & Merchants Investments Inc | 50 | $2.12K | 0.00% | 00.0% | Unchanged |
| Rothschild Investment LLC | 50 | $2.12K | 0.00% | +40+400.0% | Added |
| Parkside Financial Bank & Trust | 60 | $2.54K | 0.00% | 00.0% | Unchanged |
| Bartlett & Co. Wealth Management LLC | 62 | $2.63K | 0.00% | +62 | New |
| Bokf, NA | 66 | $2.67K | 0.00% | +66 | New |
| Sterling Capital Management LLC | 67 | $2.84K | 0.00% | +67 | New |
| Continuum Advisory, LLC | 100 | $2.86K | 0.00% | +100 | New |
| Johnson Financial Group, Inc. | 68 | $2.88K | 0.00% | +42+161.5% | Added |
| Cohen & Steers, Inc. | 67 | $3.00K | 0.00% | 00.0% | Unchanged |
| Massmutual Trust Co FSB | 71 | $3.01K | 0.00% | +3+4.4% | Added |
| CarsonAllaria Wealth Management, Ltd. | 75 | $3.18K | 0.00% | 00.0% | Unchanged |
| Allworth Financial LP | 86 | $3.65K | 0.00% | 00.0% | Unchanged |
| Ashton Thomas Securities, LLC | 90 | $3.82K | 0.00% | +90 | New |
| IFP Advisors, Inc | 96 | $4.07K | 0.00% | 00.0% | Unchanged |
| nVerses Capital, LLC | 100 | $4.24K | 0.00% | −3,100−96.9% | Reduced |
| Front Row Advisors LLC | 100 | $4.24K | 0.00% | −188−65.3% | Reduced |
| Whittier Trust Co | 115 | $4.88K | 0.00% | 00.0% | Unchanged |
| Elequin Capital LP | 121 | $5.13K | 0.00% | +121 | New |
| Ronald Blue Trust, Inc. | 132 | $5.32K | 0.00% | +123+1,366.7% | Added |
| Huntington National Bank | 134 | $5.68K | 0.00% | +104+346.7% | Added |
| Private Trust Co NA | 135 | $5.72K | 0.00% | −174−56.3% | Reduced |
| Federation des caisses Desjardins du Quebec | 150 | $6.36K | 0.00% | 00.0% | Unchanged |
| GWM Advisors LLC | 158 | $6.70K | 0.00% | 00.0% | Unchanged |
| Mather Group, LLC. | 170 | $7.21K | 0.00% | 00.0% | Unchanged |
| Harbour Investments, Inc. | 204 | $8.65K | 0.00% | 00.0% | Unchanged |
| Umb Bank N A | 238 | $10.1K | 0.00% | +83+53.5% | Added |
| EverSource Wealth Advisors, LLC | 243 | $10.3K | 0.00% | −12−4.7% | Reduced |
| Northwestern Mutual Wealth Management Co | 260 | $11.0K | 0.00% | −317−54.9% | Reduced |
| CIBC Private Wealth Group, LLC | 262 | $11.1K | 0.00% | −15−5.4% | Reduced |
| Principal Securities, Inc. | 281 | $11.9K | 0.00% | 00.0% | Unchanged |
| Covestor Ltd | 289 | $12.0K | 0.01% | 00.0% | Unchanged |
| Catalyst Funds Management Pty Ltd | 300 | $12.7K | 0.00% | +300 | New |
| Banque Cantonale Vaudoise | 303 | $13.0K | 0.00% | 00.0% | Unchanged |
| Toth Financial Advisory Corp | 325 | $13.8K | 0.00% | 00.0% | Unchanged |
| Quent Capital, LLC | 346 | $14.7K | 0.00% | 00.0% | Unchanged |
| Versant Capital Management, Inc | 377 | $16.0K | 0.00% | 00.0% | Unchanged |
| Allspring Global Investments Holdings, LLC | 382 | $16.2K | 0.00% | −7,187−95.0% | Reduced |
| Jones Financial Companies LLLP | 382 | $16.2K | 0.00% | +67+21.3% | Added |
| Quest Partners LLC | 390 | $16.5K | 0.00% | −5,502−93.4% | Reduced |
| Fifth Third Bancorp | 437 | $18.5K | 0.00% | +8+1.9% | Added |
| Lindbrook Capital, LLC | 463 | $19.6K | 0.00% | −210−31.2% | Reduced |
| NBC Securities, Inc. | 563 | $23.0K | 0.00% | +107+23.5% | Added |
| Skopos Labs, Inc. | 656 | $27.8K | 0.01% | +656 | New |
| Aster Capital Management (DIFC) Ltd | 657 | $27.9K | 0.01% | +657 | New |
| Smartleaf Asset Management LLC | 674 | $28.6K | 0.00% | +26+4.0% | Added |
| Global Retirement Partners, LLC | 690 | $29.3K | 0.00% | 00.0% | Unchanged |
| Assetmark, Inc | 690 | $29.3K | 0.00% | +690 | New |
| ORG Wealth Partners, LLC | 704 | $29.9K | 0.01% | +704 | New |
| FinTrust Capital Advisors, LLC | 712 | $30.2K | 0.01% | 00.0% | Unchanged |
| First Horizon Advisors, Inc. | 761 | $32.3K | 0.00% | +143+23.1% | Added |
| Walleye Capital LLC | 819 | $34.7K | 0.00% | −55,015−98.5% | Reduced |
| CWM, LLC | 816 | $35.0K | 0.00% | +27+3.4% | Added |
| Acadian Asset Management LLC | 958 | $40.0K | 0.00% | +958 | New |
| Salem Investment Counselors Inc | 1,000 | $42.4K | 0.00% | 00.0% | Unchanged |
| MCF Advisors LLC | 1,091 | $46.3K | 0.00% | +85+8.4% | Added |
| Leonteq Securities AG | 1,122 | $47.6K | 0.01% | 00.0% | Unchanged |
| Waldron Private Wealth LLC | 1,182 | $50.1K | 0.00% | +1,182 | New |
| McIlrath & Eck, LLC | 1,215 | $51.5K | 0.01% | +1,215 | New |
| Parallel Advisors, LLC | 1,216 | $51.6K | 0.00% | −91−7.0% | Reduced |
| CoreCap Advisors, LLC | 1,283 | $54.4K | 0.00% | +1,283 | New |
| STRS Ohio | 1,500 | $63.6K | 0.00% | +600+66.7% | Added |
| State of Wyoming | 1,529 | $64.8K | 0.01% | +168+12.3% | Added |
| AdvisorNet Financial, Inc | 1,539 | $65.3K | 0.00% | +39+2.6% | Added |
| Canada Pension Plan Investment Board | 1,800 | $76.3K | 0.00% | +1,800 | New |
| Tower Research Capital LLC (TRC) | 1,925 | $81.6K | 0.00% | +389+25.3% | Added |
| Signaturefd, LLC | 2,214 | $93.9K | 0.00% | −93−4.0% | Reduced |
| Point72 Asia (Singapore) Pte. Ltd. | 2,468 | $104.7K | 0.02% | +2,468 | New |
| Creative Financial Designs Inc | 2,522 | $107.0K | 0.01% | −1,009−28.6% | Reduced |
| Van Eck Associates Corp | 3,827 | $123.0K | 0.00% | −324−7.8% | Reduced |
| Point72 (DIFC) Ltd | 3,063 | $129.9K | 0.01% | +3,063 | New |
| Farther Finance Advisors, LLC | 3,765 | $159.7K | 0.01% | −476−11.2% | Reduced |
| International Assets Investment Management, LLC | 6,998 | $165.0K | 0.00% | +6,833+4,141.2% | Added |
| Group One Trading, L.P. | 4,323 | $183.3K | 0.01% | +2,658+159.6% | Added |
| Crossmark Global Holdings, Inc. | 4,720 | $200.0K | 0.00% | +4,720 | New |
| Dark Forest Capital Management LP | 4,816 | $204.2K | 0.03% | −3,239−40.2% | Reduced |
| Edgestream Partners, L.P. | 5,005 | $212.3K | 0.01% | −5,047−50.2% | Reduced |
| GAMMA Investing LLC | 5,005 | $212.3K | 0.02% | +729+17.0% | Added |
| JustInvest LLC | 5,105 | $216.5K | 0.00% | +5,105 | New |
| Private Advisor Group, LLC | 5,196 | $220.4K | 0.00% | +5,196 | New |