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, Q2 2023
Institutional positions in Tandem Diabetes Care Inc as of Jun 30, 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
- 247
- −27 vs. Q1 2023
- Shares held
- 67.2M
- −905.2K (−1.3%) vs. Q1 2023
- Total value
- $1.65B
- −$1.12B (−40.3%) vs. Q1 2023
- New holders
- 35
- 88 more added
- Sold out
- 62
- 89 more reduced
Compare with Q1 2023: 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, Q2 2023
Shares, value and share of portfolio for each institution holding Tandem Diabetes Care Inc; share changes are against Q1 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| USA Financial Portformulas Corp | 2 | $49 | 0.00% | 00.0% | Unchanged |
| Bell Investment Advisors, Inc | 4 | $99 | 0.00% | −38−90.5% | Reduced |
| Abound Wealth Management | 7 | $172 | 0.00% | +7 | New |
| EverSource Wealth Advisors, LLC | 10 | $245 | 0.00% | 00.0% | Unchanged |
| Parkside Financial Bank & Trust | 13 | $320 | 0.00% | −236−94.8% | Reduced |
| Glassman Wealth Services | 16 | $393 | 0.00% | −44−73.3% | Reduced |
| Elequin Capital LP | 17 | $417 | 0.00% | +17 | New |
| Maryland Capital Advisors Inc. | 20 | $491 | 0.00% | +20 | New |
| Huntington National Bank | 23 | $565 | 0.00% | 00.0% | Unchanged |
| Prestige Wealth Management Group LLC | 24 | $589 | 0.00% | −1−4.0% | Reduced |
| Baker Avenue Asset Management, LP | 26 | $638 | 0.00% | +10+62.5% | Added |
| Allworth Financial LP | 26 | $639 | 0.00% | −11−29.7% | Reduced |
| Cambridge Trust Co | 32 | $785 | 0.00% | 00.0% | Unchanged |
| Focused Wealth Management, Inc | 40 | $982 | 0.00% | 00.0% | Unchanged |
| AlphaMark Advisors, LLC | 30 | $1.00K | 0.00% | 00.0% | Unchanged |
| Versant Capital Management, Inc | 42 | $1.03K | 0.00% | −476−91.9% | Reduced |
| Parallel Advisors, LLC | 42 | $1.03K | 0.00% | −10−19.2% | Reduced |
| Fiduciary Alliance LLC | 42 | $1.03K | 0.00% | +42 | New |
| Coastal Capital Group, Inc. | 43 | $1.05K | 0.00% | 00.0% | Unchanged |
| Farmers & Merchants Investments Inc | 45 | $1.10K | 0.00% | +20+80.0% | Added |
| Massmutual Trust Co FSB | 58 | $1.42K | 0.00% | +6+11.5% | Added |
| National Bank of Canada | 63 | $1.54K | 0.00% | −141−69.1% | Reduced |
| NewSquare Capital LLC | 65 | $1.59K | 0.00% | 00.0% | Unchanged |
| CarsonAllaria Wealth Management, Ltd. | 75 | $1.84K | 0.00% | 00.0% | Unchanged |
| Front Row Advisors LLC | 100 | $2.00K | 0.00% | 00.0% | Unchanged |
| Loomis Sayles & Co L P | 79 | $2.00K | 0.00% | +79 | New |
| Umb Bank N A | 84 | $2.06K | 0.00% | 00.0% | Unchanged |
| Lindbrook Capital, LLC | 93 | $2.28K | 0.00% | −152−62.0% | Reduced |
| MCF Advisors LLC | 100 | $2.45K | 0.00% | +100 | New |
| Quent Capital, LLC | 111 | $2.72K | 0.00% | 00.0% | Unchanged |
| Signaturefd, LLC | 116 | $2.85K | 0.00% | −2−1.7% | Reduced |
| Kistler-Tiffany Companies, LLC | 125 | $3.07K | 0.00% | 00.0% | Unchanged |
| Zions Bancorporation, N.A. | 138 | $3.39K | 0.00% | −13−8.6% | Reduced |
| IFP Advisors, Inc | 241 | $3.48K | 0.00% | −26−9.7% | Reduced |
| Fifth Third Bancorp | 182 | $4.47K | 0.00% | −351−65.9% | Reduced |
| Beacon Capital Management, LLC | 202 | $4.96K | 0.00% | 00.0% | Unchanged |
| Covestor Ltd | 200 | $5.00K | 0.00% | −1−0.5% | Reduced |
| FinTrust Capital Advisors, LLC | 130 | $5.84K | 0.00% | 00.0% | Unchanged |
| Harbour Investments, Inc. | 266 | $6.53K | 0.00% | 00.0% | Unchanged |
| Toth Financial Advisory Corp | 325 | $7.98K | 0.00% | +100+44.4% | Added |
| Banque Cantonale Vaudoise | 371 | $9.00K | 0.00% | −124−25.1% | Reduced |
| Allspring Global Investments Holdings, LLC | 390 | $9.57K | 0.00% | −4,087−91.3% | Reduced |
| CWM, LLC | 475 | $12.0K | 0.00% | −1,184−71.4% | Reduced |
| Farther Finance Advisors, LLC | 505 | $12.4K | 0.00% | +5+1.0% | Added |
| Headlands Technologies LLC | 549 | $13.5K | 0.00% | +314+133.6% | Added |
| Acadian Asset Management LLC | 669 | $16.0K | 0.00% | 00.0% | Unchanged |
| GPS Wealth Strategies Group, LLC | 658 | $16.1K | 0.00% | 00.0% | Unchanged |
| Group One Trading, L.P. | 719 | $17.6K | 0.00% | +719 | New |
| Global Retirement Partners, LLC | 726 | $17.8K | 0.00% | −158−17.9% | Reduced |
| Salem Investment Counselors Inc | 1,000 | $24.5K | 0.00% | 00.0% | Unchanged |
| State of Wyoming | 1,169 | $28.7K | 0.01% | +260+28.6% | Added |
| Quadrant Capital Group LLC | 1,201 | $29.5K | 0.00% | +140+13.2% | Added |
| AdvisorNet Financial, Inc | 1,500 | $36.8K | 0.00% | +1,500 | New |
| MetLife Investment Management | 1,637 | $40.2K | 0.00% | −2,062−55.7% | Reduced |
| The PNC Financial Services Group, Inc. | 2,127 | $52.2K | 0.00% | −3,170−59.8% | Reduced |
| Stephens Inc | 2,131 | $52.3K | 0.00% | +11+0.5% | Added |
| Gilder Gagnon Howe & Co LLC | 2,710 | $66.5K | 0.00% | +2,710 | New |
| Newbridge Financial Services Group, Inc. | 3,410 | $83.7K | 0.04% | +1,500+78.5% | Added |
| Northwestern Mutual Wealth Management Co | 3,540 | $86.9K | 0.00% | +2,020+132.9% | Added |
| Aquatic Capital Management LLC | 3,900 | $96.0K | 0.01% | +2,000+105.3% | Added |
| American International Group, Inc. | 4,251 | $104.3K | 0.00% | −748−15.0% | Reduced |
| Van Eck Associates Corp | 5,153 | $126.0K | 0.00% | +1,069+26.2% | Added |
| Nisa Investment Advisors, LLC | 6,050 | $148.5K | 0.00% | +5,445+900.0% | Added |
| Leonteq Securities AG | 6,512 | $159.8K | 0.02% | +1,512+30.2% | Added |
| Public Employees Retirement Association of Colorado | 8,105 | $199.0K | 0.00% | 00.0% | Unchanged |
| Crossmark Global Holdings, Inc. | 5,754 | $205.0K | 0.00% | −73−1.3% | Reduced |
| Allianz Asset Management GmbH | 8,400 | $206.1K | 0.00% | +8,400 | New |
| Engineers Gate Manager LP | 8,504 | $208.7K | 0.01% | +8,504 | New |
| Aigen Investment Management, LP | 8,632 | $211.8K | 0.03% | −15,772−64.6% | Reduced |
| Bessemer Group Inc | 8,644 | $212.0K | 0.00% | +8,644 | New |
| Commonwealth Equity Services, LLC | 8,962 | $220.0K | 0.00% | −873−8.9% | Reduced |
| Baird Financial Group, Inc. | 9,169 | $225.0K | 0.00% | +990+12.1% | Added |
| Guggenheim Capital LLC | 9,190 | $225.5K | 0.00% | +3,291+55.8% | Added |
| Lattice Capital Management, LLC | 9,200 | $225.8K | 0.39% | 00.0% | Unchanged |
| JB Capital LLC | 9,964 | $244.5K | 0.02% | +2,998+43.0% | Added |
| Diversified Trust Co | 10,024 | $246.0K | 0.01% | −8,225−45.1% | Reduced |
| Mercer Global Advisors Inc | 10,175 | $250.0K | 0.00% | −5,310−34.3% | Reduced |
| Handelsbanken Fonder AB | 10,700 | $263.0K | 0.00% | 00.0% | Unchanged |
| US Bancorp | 10,798 | $265.0K | 0.00% | −370−3.3% | Reduced |
| Duality Advisers, LP | 10,950 | $268.7K | 0.03% | +10,950 | New |
| Fox Run Management, L.L.C. | 10,963 | $269.0K | 0.08% | +10,963 | New |
| Gabelli Funds LLC | 11,000 | $269.9K | 0.00% | +11,000 | New |
| NinePointTwo Capital | 11,023 | $270.0K | 0.10% | +11,023 | New |
| Verition Fund Management LLC | 11,151 | $273.6K | 0.00% | +2,010+22.0% | Added |
| Polar Capital Holdings Plc | 11,210 | $275.1K | 0.00% | 00.0% | Unchanged |
| Capital Group Investment Management Pte. Ltd. | 11,300 | $277.3K | 0.01% | 00.0% | Unchanged |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 11,403 | $279.8K | 0.00% | +955+9.1% | Added |
| Assenagon Asset Management S.A. | 12,053 | $295.8K | 0.00% | −26,372−68.6% | Reduced |
| Point72 Middle East FZE | 12,304 | $301.9K | 0.02% | +12,304 | New |
| Mutual of America Capital Management LLC | 12,622 | $309.7K | 0.00% | −619−4.7% | Reduced |
| Dynamic Technology Lab Private Ltd | 12,640 | $310.0K | 0.04% | +12,640 | New |
| Bridge City Capital, LLC | 13,469 | $330.5K | 0.16% | +50.0% | Added |
| SG Americas Securities, LLC | 13,759 | $338.0K | 0.00% | +2,968+27.5% | Added |
| Centiva Capital, LP | 14,034 | $344.4K | 0.02% | +14,034 | New |
| Y-Intercept (Hong Kong) Ltd | 14,265 | $350.1K | 0.04% | +14,265 | New |
| Envestnet Asset Management Inc | 14,558 | $357.3K | 0.00% | −7,111−32.8% | Reduced |
| Legato Capital Management LLC | 14,676 | $360.1K | 0.05% | +3,849+35.6% | Added |
| Advisor Group Holdings, Inc. | 16,708 | $410.1K | 0.00% | +1,951+13.2% | Added |
| Dark Forest Capital Management LP | 16,941 | $415.7K | 0.04% | +11,185+194.3% | Added |
| Apollon Wealth Management, LLC | 17,142 | $420.7K | 0.02% | −2,286−11.8% | Reduced |