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 |
|---|---|---|---|---|---|
| Commonwealth Equity Services, LLC | 8,157 | $346.0K | 0.00% | −261−3.1% | Reduced |
| Stephens Inc | 7,652 | $324.5K | 0.00% | −299−3.8% | Reduced |
| Public Employees Retirement Association of Colorado | 7,650 | $324.0K | 0.00% | 00.0% | Unchanged |
| Pictet Asset Management Holding SA | 7,465 | $316.6K | 0.00% | 00.0% | Unchanged |
| Danske Bank A/S | 7,284 | $308.9K | 0.00% | +7,284 | New |
| MML Investors Services, LLC | 7,199 | $305.0K | 0.00% | +114+1.6% | Added |
| Nomura Holdings Inc | 7,151 | $303.3K | 0.00% | −1,963−21.5% | Reduced |
| Summit Trail Advisors, LLC | 7,054 | $299.2K | 0.01% | +7,054 | New |
| Regions Financial Corp | 6,953 | $294.9K | 0.00% | +270+4.0% | Added |
| Quadrant Capital Group LLC | 6,948 | $294.7K | 0.02% | −49−0.7% | Reduced |
| CI Private Wealth, LLC | 6,882 | $291.9K | 0.00% | −3,428−33.2% | Reduced |
| LVW Advisors, LLC | 6,854 | $290.7K | 0.04% | −1,015−12.9% | Reduced |
| Inceptionr LLC | 6,795 | $288.2K | 0.07% | +6,795 | New |
| 180 Wealth Advisors, LLC | 6,716 | $284.8K | 0.04% | −246−3.5% | Reduced |
| Evergreen Capital Management LLC | 6,672 | $283.0K | 0.01% | −264−3.8% | Reduced |
| Blueshift Asset Management, LLC | 6,641 | $281.6K | 0.07% | +6,641 | New |
| Park Avenue Securities LLC | 6,628 | $281.0K | 0.00% | −1,951−22.7% | Reduced |
| Advisory Services Network, LLC | 6,950 | $280.0K | 0.01% | 00.0% | Unchanged |
| Avantax Advisory Services, Inc. | 6,506 | $275.9K | 0.00% | +505+8.4% | Added |
| Ameritas Investment Partners, Inc. | 6,345 | $269.1K | 0.01% | 00.0% | Unchanged |
| Pathstone Holdings, LLC | 6,301 | $267.2K | 0.00% | +463+7.9% | Added |
| Coldstream Capital Management Inc | 6,212 | $263.5K | 0.01% | +762+14.0% | Added |
| Los Angeles Capital Management LLC | 6,205 | $263.2K | 0.00% | +6,205 | New |
| Nisa Investment Advisors, LLC | 5,850 | $248.1K | 0.00% | −86−1.4% | Reduced |
| Wolverine Trading, LLC | 5,770 | $244.9K | 0.01% | +5,770 | New |
| Pictet & Cie (Europe) SA | 5,772 | $244.8K | 0.01% | −4,644−44.6% | Reduced |
| Occudo Quantitative Strategies LP | 5,759 | $244.2K | 0.04% | −1,356−19.1% | Reduced |
| Tarbox Family Office, Inc. | 5,601 | $237.5K | 0.04% | 00.0% | Unchanged |
| Envestnet Portfolio Solutions, Inc. | 5,376 | $228.0K | 0.00% | +5,376 | New |
| Roundview Capital LLC | 5,344 | $226.6K | 0.02% | 00.0% | Unchanged |
| Resources Investment Advisors, LLC. | 5,314 | $225.4K | 0.00% | −95−1.8% | Reduced |
| XTX Topco Ltd | 5,217 | $221.3K | 0.02% | −5,550−51.5% | Reduced |
| Private Advisor Group, LLC | 5,196 | $220.4K | 0.00% | +5,196 | New |
| JustInvest LLC | 5,105 | $216.5K | 0.00% | +5,105 | New |
| 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 |
| Dark Forest Capital Management LP | 4,816 | $204.2K | 0.03% | −3,239−40.2% | Reduced |
| Crossmark Global Holdings, Inc. | 4,720 | $200.0K | 0.00% | +4,720 | New |
| Group One Trading, L.P. | 4,323 | $183.3K | 0.01% | +2,658+159.6% | Added |
| International Assets Investment Management, LLC | 6,998 | $165.0K | 0.00% | +6,833+4,141.2% | Added |
| Farther Finance Advisors, LLC | 3,765 | $159.7K | 0.01% | −476−11.2% | Reduced |
| Point72 (DIFC) Ltd | 3,063 | $129.9K | 0.01% | +3,063 | New |
| Van Eck Associates Corp | 3,827 | $123.0K | 0.00% | −324−7.8% | Reduced |
| Creative Financial Designs Inc | 2,522 | $107.0K | 0.01% | −1,009−28.6% | Reduced |
| Point72 Asia (Singapore) Pte. Ltd. | 2,468 | $104.7K | 0.02% | +2,468 | New |
| Signaturefd, LLC | 2,214 | $93.9K | 0.00% | −93−4.0% | Reduced |
| Tower Research Capital LLC (TRC) | 1,925 | $81.6K | 0.00% | +389+25.3% | Added |
| Canada Pension Plan Investment Board | 1,800 | $76.3K | 0.00% | +1,800 | New |
| AdvisorNet Financial, Inc | 1,539 | $65.3K | 0.00% | +39+2.6% | Added |
| State of Wyoming | 1,529 | $64.8K | 0.01% | +168+12.3% | Added |
| STRS Ohio | 1,500 | $63.6K | 0.00% | +600+66.7% | Added |
| CoreCap Advisors, LLC | 1,283 | $54.4K | 0.00% | +1,283 | New |
| Parallel Advisors, LLC | 1,216 | $51.6K | 0.00% | −91−7.0% | Reduced |
| McIlrath & Eck, LLC | 1,215 | $51.5K | 0.01% | +1,215 | New |
| Waldron Private Wealth LLC | 1,182 | $50.1K | 0.00% | +1,182 | New |
| Leonteq Securities AG | 1,122 | $47.6K | 0.01% | 00.0% | Unchanged |
| MCF Advisors LLC | 1,091 | $46.3K | 0.00% | +85+8.4% | Added |
| Salem Investment Counselors Inc | 1,000 | $42.4K | 0.00% | 00.0% | Unchanged |
| Acadian Asset Management LLC | 958 | $40.0K | 0.00% | +958 | New |
| CWM, LLC | 816 | $35.0K | 0.00% | +27+3.4% | Added |
| Walleye Capital LLC | 819 | $34.7K | 0.00% | −55,015−98.5% | Reduced |
| First Horizon Advisors, Inc. | 761 | $32.3K | 0.00% | +143+23.1% | Added |
| FinTrust Capital Advisors, LLC | 712 | $30.2K | 0.01% | 00.0% | Unchanged |
| ORG Wealth Partners, LLC | 704 | $29.9K | 0.01% | +704 | New |
| Global Retirement Partners, LLC | 690 | $29.3K | 0.00% | 00.0% | Unchanged |
| Assetmark, Inc | 690 | $29.3K | 0.00% | +690 | New |
| Smartleaf Asset Management LLC | 674 | $28.6K | 0.00% | +26+4.0% | Added |
| Aster Capital Management (DIFC) Ltd | 657 | $27.9K | 0.01% | +657 | New |
| Skopos Labs, Inc. | 656 | $27.8K | 0.01% | +656 | New |
| NBC Securities, Inc. | 563 | $23.0K | 0.00% | +107+23.5% | Added |
| Lindbrook Capital, LLC | 463 | $19.6K | 0.00% | −210−31.2% | Reduced |
| Fifth Third Bancorp | 437 | $18.5K | 0.00% | +8+1.9% | Added |
| Quest Partners LLC | 390 | $16.5K | 0.00% | −5,502−93.4% | Reduced |
| Jones Financial Companies LLLP | 382 | $16.2K | 0.00% | +67+21.3% | Added |
| Allspring Global Investments Holdings, LLC | 382 | $16.2K | 0.00% | −7,187−95.0% | Reduced |
| Versant Capital Management, Inc | 377 | $16.0K | 0.00% | 00.0% | Unchanged |
| Quent Capital, LLC | 346 | $14.7K | 0.00% | 00.0% | Unchanged |
| Toth Financial Advisory Corp | 325 | $13.8K | 0.00% | 00.0% | Unchanged |
| Banque Cantonale Vaudoise | 303 | $13.0K | 0.00% | 00.0% | Unchanged |
| Catalyst Funds Management Pty Ltd | 300 | $12.7K | 0.00% | +300 | New |
| Covestor Ltd | 289 | $12.0K | 0.01% | 00.0% | Unchanged |
| Principal Securities, Inc. | 281 | $11.9K | 0.00% | 00.0% | Unchanged |
| CIBC Private Wealth Group, LLC | 262 | $11.1K | 0.00% | −15−5.4% | Reduced |
| Northwestern Mutual Wealth Management Co | 260 | $11.0K | 0.00% | −317−54.9% | Reduced |
| EverSource Wealth Advisors, LLC | 243 | $10.3K | 0.00% | −12−4.7% | Reduced |
| Umb Bank N A | 238 | $10.1K | 0.00% | +83+53.5% | Added |
| Harbour Investments, Inc. | 204 | $8.65K | 0.00% | 00.0% | Unchanged |
| Mather Group, LLC. | 170 | $7.21K | 0.00% | 00.0% | Unchanged |
| GWM Advisors LLC | 158 | $6.70K | 0.00% | 00.0% | Unchanged |
| Federation des caisses Desjardins du Quebec | 150 | $6.36K | 0.00% | 00.0% | Unchanged |
| Private Trust Co NA | 135 | $5.72K | 0.00% | −174−56.3% | Reduced |
| Huntington National Bank | 134 | $5.68K | 0.00% | +104+346.7% | Added |
| Ronald Blue Trust, Inc. | 132 | $5.32K | 0.00% | +123+1,366.7% | Added |
| Elequin Capital LP | 121 | $5.13K | 0.00% | +121 | New |
| Whittier Trust Co | 115 | $4.88K | 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 |
| IFP Advisors, Inc | 96 | $4.07K | 0.00% | 00.0% | Unchanged |
| Ashton Thomas Securities, LLC | 90 | $3.82K | 0.00% | +90 | New |
| Allworth Financial LP | 86 | $3.65K | 0.00% | 00.0% | Unchanged |