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, Q1 2023
Institutional positions in Tandem Diabetes Care Inc as of Mar 31, 2023. 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
- 274
- −18 vs. Q4 2022
- Shares held
- 68.1M
- +3.82M (+5.9%) vs. Q4 2022
- Total value
- $2.77B
- −$120.0M (−4.2%) vs. Q4 2022
- New holders
- 34
- 117 more added
- Sold out
- 52
- 92 more reduced
3 institutions that held it in Q4 2022 haven't filed for Q1 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2022: 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, Q1 2023
Shares, value and share of portfolio for each institution holding Tandem Diabetes Care Inc; share changes are against Q4 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Toronto Dominion Bank | 7 | $0 | 0.00% | +7 | New |
| USA Financial Portformulas Corp | 2 | $81 | 0.00% | +2 | New |
| EverSource Wealth Advisors, LLC | 10 | $406 | 0.00% | 00.0% | Unchanged |
| Baker Avenue Asset Management, LP | 16 | $650 | 0.00% | +1+6.7% | Added |
| Crewe Advisors LLC | 18 | $731 | 0.00% | 00.0% | Unchanged |
| GWM Advisors LLC | 22 | $894 | 0.00% | −504−95.8% | Reduced |
| Huntington National Bank | 23 | $934 | 0.00% | +9+64.3% | Added |
| AlphaMark Advisors, LLC | 30 | $1.00K | 0.00% | 00.0% | Unchanged |
| Capital Advisors, Ltd. LLC | 16 | $1.00K | 0.00% | −134−89.3% | Reduced |
| Farmers & Merchants Investments Inc | 25 | $1.01K | 0.00% | 00.0% | Unchanged |
| Sutton Wealth Advisors Inc. | 25 | $1.01K | 0.00% | 00.0% | Unchanged |
| Prestige Wealth Management Group LLC | 25 | $1.02K | 0.00% | +25 | New |
| Cambridge Trust Co | 32 | $1.30K | 0.00% | 00.0% | Unchanged |
| Bogart Wealth, LLC | 35 | $1.42K | 0.00% | +35 | New |
| Allworth Financial LP | 37 | $1.50K | 0.00% | +2+5.7% | Added |
| Sandy Spring Bank | 40 | $1.62K | 0.00% | 00.0% | Unchanged |
| Focused Wealth Management, Inc | 40 | $1.62K | 0.00% | 00.0% | Unchanged |
| Bell Investment Advisors, Inc | 42 | $1.71K | 0.00% | −11−20.8% | Reduced |
| Coastal Capital Group, Inc. | 43 | $1.75K | 0.00% | 00.0% | Unchanged |
| Massmutual Trust Co FSB | 52 | $2.11K | 0.00% | −266−83.6% | Reduced |
| Parallel Advisors, LLC | 52 | $2.11K | 0.00% | −173−76.9% | Reduced |
| Glassman Wealth Services | 60 | $2.44K | 0.00% | −33−35.5% | Reduced |
| Ellevest, Inc. | 64 | $2.60K | 0.00% | −125−66.1% | Reduced |
| NewSquare Capital LLC | 65 | $2.64K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 78 | $3.00K | 0.00% | −1,334−94.5% | Reduced |
| Sound Income Strategies, LLC | 75 | $3.05K | 0.00% | +75 | New |
| CarsonAllaria Wealth Management, Ltd. | 75 | $3.05K | 0.00% | +75 | New |
| Umb Bank N A | 84 | $3.41K | 0.00% | −22−20.8% | Reduced |
| IFP Advisors, Inc | 267 | $3.85K | 0.00% | −98−26.8% | Reduced |
| Front Row Advisors LLC | 100 | $4.00K | 0.00% | 00.0% | Unchanged |
| Machina Capital S.A.S. | 100 | $4.06K | 0.00% | +100 | New |
| Quent Capital, LLC | 111 | $4.51K | 0.00% | +16+16.8% | Added |
| Signaturefd, LLC | 118 | $4.79K | 0.00% | −448−79.2% | Reduced |
| Kistler-Tiffany Companies, LLC | 125 | $5.08K | 0.00% | −120−49.0% | Reduced |
| FinTrust Capital Advisors, LLC | 130 | $5.84K | 0.00% | 00.0% | Unchanged |
| Zions Bancorporation, N.A. | 151 | $6.13K | 0.00% | −88−36.8% | Reduced |
| International Assets Investment Management, LLC | 165 | $6.70K | 0.00% | +165 | New |
| Covestor Ltd | 201 | $8.00K | 0.01% | +96+91.4% | Added |
| Beacon Capital Management, LLC | 202 | $8.20K | 0.00% | +202 | New |
| National Bank of Canada | 204 | $8.28K | 0.00% | 00.0% | Unchanged |
| Toth Financial Advisory Corp | 225 | $9.14K | 0.00% | 00.0% | Unchanged |
| Headlands Technologies LLC | 235 | $9.54K | 0.01% | +235 | New |
| Lindbrook Capital, LLC | 245 | $9.95K | 0.00% | +203+483.3% | Added |
| Parkside Financial Bank & Trust | 249 | $10.1K | 0.00% | +185+289.1% | Added |
| Harbour Investments, Inc. | 266 | $10.8K | 0.00% | −6−2.2% | Reduced |
| Riverview Trust Co | 338 | $13.7K | 0.01% | 00.0% | Unchanged |
| Belpointe Asset Management LLC | 350 | $14.2K | 0.00% | −230−39.7% | Reduced |
| Edmond de Rothschild Holding S.A. | 380 | $15.4K | 0.00% | −198−34.3% | Reduced |
| Ameritas Advisory Services, LLC | 485 | $19.3K | 0.00% | +485 | New |
| Banque Cantonale Vaudoise | 495 | $20.0K | 0.00% | −147−22.9% | Reduced |
| Farther Finance Advisors, LLC | 500 | $20.3K | 0.01% | −3−0.6% | Reduced |
| Versant Capital Management, Inc | 518 | $21.0K | 0.01% | +518 | New |
| Fifth Third Bancorp | 533 | $21.6K | 0.00% | +71+15.4% | Added |
| Nisa Investment Advisors, LLC | 605 | $25.0K | 0.00% | −5−0.8% | Reduced |
| GPS Wealth Strategies Group, LLC | 658 | $26.7K | 0.01% | +658 | New |
| Acadian Asset Management LLC | 669 | $27.0K | 0.00% | −2,816−80.8% | Reduced |
| Global Retirement Partners, LLC | 884 | $35.3K | 0.00% | −16−1.8% | Reduced |
| State of Wyoming | 909 | $36.9K | 0.01% | +88+10.7% | Added |
| Salem Investment Counselors Inc | 1,000 | $40.6K | 0.00% | 00.0% | Unchanged |
| Quadrant Capital Group LLC | 1,061 | $43.1K | 0.00% | +220+26.2% | Added |
| Northwestern Mutual Wealth Management Co | 1,520 | $61.7K | 0.00% | −300−16.5% | Reduced |
| CWM, LLC | 1,659 | $67.0K | 0.00% | +89+5.7% | Added |
| Aquatic Capital Management LLC | 1,900 | $77.0K | 0.00% | −5,400−74.0% | Reduced |
| Newbridge Financial Services Group, Inc. | 1,910 | $77.6K | 0.04% | +500+35.5% | Added |
| Stephens Inc | 2,120 | $86.1K | 0.00% | +317+17.6% | Added |
| MetLife Investment Management | 3,699 | $150.2K | 0.00% | −39,146−91.4% | Reduced |
| Van Eck Associates Corp | 4,084 | $166.0K | 0.00% | −113−2.7% | Reduced |
| Allspring Global Investments Holdings, LLC | 4,477 | $181.8K | 0.00% | −3,717−45.4% | Reduced |
| AQR Capital Management LLC | 4,945 | $200.8K | 0.00% | +4,945 | New |
| American International Group, Inc. | 4,999 | $203.0K | 0.00% | −95,439−95.0% | Reduced |
| Leonteq Securities AG | 5,000 | $203.1K | 0.02% | +3,000+150.0% | Added |
| MML Investors Services, LLC | 5,180 | $210.0K | 0.00% | +43+0.8% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 5,258 | $213.5K | 0.00% | −8,634−62.2% | Reduced |
| Oppenheimer Asset Management Inc. | 5,259 | $213.6K | 0.00% | +5,259 | New |
| The PNC Financial Services Group, Inc. | 5,297 | $215.1K | 0.00% | +3,184+150.7% | Added |
| Roundview Capital LLC | 5,344 | $217.0K | 0.02% | 00.0% | Unchanged |
| Tarbox Family Office, Inc. | 5,509 | $223.7K | 0.05% | +11+0.2% | Added |
| Creative Planning | 5,687 | $230.9K | 0.00% | −1,085−16.0% | Reduced |
| Dark Forest Capital Management LP | 5,756 | $233.8K | 0.06% | +5,734+26,063.6% | Added |
| Crossmark Global Holdings, Inc. | 5,827 | $237.0K | 0.01% | +391+7.2% | Added |
| Guggenheim Capital LLC | 5,899 | $239.6K | 0.00% | +5,899 | New |
| Financial Alternatives, Inc | 6,223 | $252.5K | 0.24% | 00.0% | Unchanged |
| CI Private Wealth, LLC | 6,272 | $254.7K | 0.00% | +6,272 | New |
| Pictet & Cie (Europe) SA | 6,377 | $259.0K | 0.01% | +6,377 | New |
| Cambridge Investment Research Advisors, Inc. | 6,388 | $259.0K | 0.00% | +160+2.6% | Added |
| Prelude Capital Management, LLC | 6,514 | $264.5K | 0.02% | −3,159−32.7% | Reduced |
| JB Capital LLC | 6,966 | $282.9K | 0.03% | +793+12.8% | Added |
| Pictet Asset Management SA | 7,082 | $287.6K | 0.00% | 00.0% | Unchanged |
| Teacher Retirement System of Texas | 7,151 | $290.0K | 0.00% | +181+2.6% | Added |
| Truist Financial Corp | 7,190 | $292.0K | 0.00% | +7,190 | New |
| AtonRa Partners | 7,378 | $299.6K | 0.44% | −1,038−12.3% | Reduced |
| Public Employees Retirement Association of Colorado | 8,105 | $329.0K | 0.00% | 00.0% | Unchanged |
| Oak Thistle LLC | 8,151 | $331.0K | 0.20% | −939−10.3% | Reduced |
| Baird Financial Group, Inc. | 8,179 | $332.1K | 0.00% | −354−4.1% | Reduced |
| Xponance, Inc. | 8,233 | $334.3K | 0.00% | −6,181−42.9% | Reduced |
| JustInvest LLC | 8,598 | $349.2K | 0.01% | +3,933+84.3% | Added |
| Empire Financial Management Company, LLC | 8,750 | $355.3K | 0.14% | +8,750 | New |
| Cetera Advisor Networks LLC | 9,050 | $367.5K | 0.00% | −1,000−10.0% | Reduced |
| Verition Fund Management LLC | 9,141 | $371.2K | 0.01% | +9,141 | New |
| Lattice Capital Management, LLC | 9,200 | $373.6K | 0.50% | 00.0% | Unchanged |