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 2023
Institutional positions in Tandem Diabetes Care Inc as of Sep 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
- 226
- −19 vs. Q2 2023
- Shares held
- 69.6M
- +2.42M (+3.6%) vs. Q2 2023
- Total value
- $1.45B
- −$204.6M (−12.4%) vs. Q2 2023
- New holders
- 26
- 80 more added
- Sold out
- 45
- 89 more reduced
2 institutions that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2023
Shares, value and share of portfolio for each institution holding Tandem Diabetes Care Inc; share changes are against Q2 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Harel Insurance Investments & Financial Services Ltd. | 2 | $0 | 0.00% | +2 | New |
| Proequities, Inc. | 1 | $20 | 0.00% | +1 | New |
| Elequin Capital LP | 1 | $21 | 0.00% | −16−94.1% | Reduced |
| USA Financial Portformulas Corp | 2 | $42 | 0.00% | 00.0% | Unchanged |
| Bell Investment Advisors, Inc | 4 | $84 | 0.00% | 00.0% | Unchanged |
| Cary Street Partner Investment Advisory LLC | 5 | $104 | 0.00% | +5 | New |
| Massmutual Trust Co FSB | 6 | $125 | 0.00% | −52−89.7% | Reduced |
| Versant Capital Management, Inc | 7 | $145 | 0.00% | −35−83.3% | Reduced |
| Abound Wealth Management | 7 | $146 | 0.00% | 00.0% | Unchanged |
| EverSource Wealth Advisors, LLC | 10 | $208 | 0.00% | 00.0% | Unchanged |
| Whittier Trust Co | 17 | $353 | 0.00% | +17 | New |
| Huntington National Bank | 19 | $395 | 0.00% | −4−17.4% | Reduced |
| Maryland Capital Advisors Inc. | 20 | $416 | 0.00% | 00.0% | Unchanged |
| Central Trust Co | 20 | $416 | 0.00% | +20 | New |
| Cambridge Trust Co | 32 | $665 | 0.00% | 00.0% | Unchanged |
| Glassman Wealth Services | 32 | $665 | 0.00% | +16+100.0% | Added |
| Focused Wealth Management, Inc | 40 | $831 | 0.00% | 00.0% | Unchanged |
| National Bank of Canada | 43 | $945 | 0.00% | −20−31.7% | Reduced |
| AlphaMark Advisors, LLC | 30 | $1.00K | 0.00% | 00.0% | Unchanged |
| Farmers & Merchants Investments Inc | 50 | $1.04K | 0.00% | +5+11.1% | Added |
| Parallel Advisors, LLC | 62 | $1.29K | 0.00% | +20+47.6% | Added |
| Steward Partners Investment Advisory, LLC | 70 | $1.45K | 0.00% | +70 | New |
| Lindbrook Capital, LLC | 74 | $1.54K | 0.00% | −19−20.4% | Reduced |
| CarsonAllaria Wealth Management, Ltd. | 75 | $1.56K | 0.00% | 00.0% | Unchanged |
| Allworth Financial LP | 80 | $1.66K | 0.00% | +54+207.7% | Added |
| Quent Capital, LLC | 94 | $1.95K | 0.00% | −17−15.3% | Reduced |
| MCF Advisors LLC | 100 | $2.08K | 0.00% | 00.0% | Unchanged |
| Front Row Advisors LLC | 100 | $2.08K | 0.00% | 00.0% | Unchanged |
| FinTrust Capital Advisors, LLC | 110 | $2.29K | 0.00% | −20−15.4% | Reduced |
| Creative Planning | 125 | $2.60K | 0.00% | +125 | New |
| Umb Bank N A | 134 | $2.78K | 0.00% | +50+59.5% | Added |
| Zions Bancorporation, N.A. | 138 | $2.87K | 0.00% | 00.0% | Unchanged |
| Signaturefd, LLC | 174 | $3.61K | 0.00% | +58+50.0% | Added |
| Parkside Financial Bank & Trust | 183 | $3.80K | 0.00% | +170+1,307.7% | Added |
| First Horizon Advisors, Inc. | 199 | $4.13K | 0.00% | +199 | New |
| Fifth Third Bancorp | 234 | $4.86K | 0.00% | +52+28.6% | Added |
| Beacon Capital Management, LLC | 202 | $4.96K | 0.00% | 00.0% | Unchanged |
| IFP Advisors, Inc | 241 | $5.01K | 0.00% | 00.0% | Unchanged |
| Harbour Investments, Inc. | 266 | $5.53K | 0.00% | 00.0% | Unchanged |
| Covestor Ltd | 289 | $6.00K | 0.00% | +89+44.5% | Added |
| Allspring Global Investments Holdings, LLC | 308 | $6.40K | 0.00% | −82−21.0% | Reduced |
| Toth Financial Advisory Corp | 325 | $6.75K | 0.00% | 00.0% | Unchanged |
| Banque Cantonale Vaudoise | 371 | $8.00K | 0.00% | 00.0% | Unchanged |
| CWM, LLC | 450 | $9.00K | 0.00% | −25−5.3% | Reduced |
| Farther Finance Advisors, LLC | 500 | $10.4K | 0.00% | −5−1.0% | Reduced |
| GPS Wealth Strategies Group, LLC | 500 | $10.4K | 0.00% | −158−24.0% | Reduced |
| NBC Securities, Inc. | 587 | $12.0K | 0.00% | +587 | New |
| Global Retirement Partners, LLC | 642 | $13.1K | 0.00% | −84−11.6% | Reduced |
| Quadrant Capital Group LLC | 815 | $16.9K | 0.00% | −386−32.1% | Reduced |
| Salem Investment Counselors Inc | 1,000 | $20.8K | 0.00% | 00.0% | Unchanged |
| Point72 Asset Management, L.P. | 1,308 | $27.2K | 0.00% | +1,308 | New |
| State of Wyoming | 1,333 | $27.7K | 0.01% | +164+14.0% | Added |
| AdvisorNet Financial, Inc | 1,500 | $31.2K | 0.00% | 00.0% | Unchanged |
| MetLife Investment Management | 1,639 | $34.0K | 0.00% | +2+0.1% | Added |
| Northwestern Mutual Wealth Management Co | 1,787 | $37.1K | 0.00% | −1,753−49.5% | Reduced |
| Stephens Inc | 2,074 | $43.1K | 0.00% | −57−2.7% | Reduced |
| The PNC Financial Services Group, Inc. | 3,226 | $67.0K | 0.00% | +1,099+51.7% | Added |
| American International Group, Inc. | 3,843 | $79.8K | 0.00% | −408−9.6% | Reduced |
| Deutsche Bank AG | 4,562 | $94.8K | 0.00% | −56,137−92.5% | Reduced |
| Stonebridge Capital Advisors LLC | 5,400 | $112.2K | 0.01% | +5,400 | New |
| Van Eck Associates Corp | 5,433 | $113.0K | 0.00% | +280+5.4% | Added |
| Newbridge Financial Services Group, Inc. | 6,025 | $125.1K | 0.06% | +2,615+76.7% | Added |
| Nisa Investment Advisors, LLC | 6,050 | $125.7K | 0.00% | 00.0% | Unchanged |
| Counterpoint Mutual Funds LLC | 6,393 | $132.8K | 0.11% | +6,393 | New |
| Tower Research Capital LLC (TRC) | 6,693 | $139.0K | 0.00% | −11,822−63.9% | Reduced |
| Public Employees Retirement Association of Colorado | 8,105 | $168.0K | 0.00% | 00.0% | Unchanged |
| Lombard Odier Asset Management (USA) Corp | 8,225 | $171.0K | 0.03% | +8,225 | New |
| Mercer Global Advisors Inc | 9,756 | $203.0K | 0.00% | −419−4.1% | Reduced |
| Commonwealth Equity Services, LLC | 9,870 | $205.0K | 0.00% | +908+10.1% | Added |
| Diversified Trust Co | 10,009 | $207.9K | 0.01% | −15−0.1% | Reduced |
| Handelsbanken Fonder AB | 10,700 | $222.0K | 0.00% | 00.0% | Unchanged |
| Polar Capital Holdings Plc | 11,210 | $232.8K | 0.00% | 00.0% | Unchanged |
| US Bancorp | 11,296 | $234.6K | 0.00% | +498+4.6% | Added |
| Capital Group Investment Management Pte. Ltd. | 11,300 | $234.7K | 0.02% | 00.0% | Unchanged |
| Point72 Middle East FZE | 11,348 | $235.7K | 0.01% | −956−7.8% | Reduced |
| Mutual of America Capital Management LLC | 11,406 | $236.9K | 0.00% | −1,216−9.6% | Reduced |
| Quantbot Technologies LP | 11,482 | $238.5K | 0.02% | −56,126−83.0% | Reduced |
| Ontario Teachers Pension Plan Board | 12,771 | $265.3K | 0.00% | −27,971−68.7% | Reduced |
| Franklin Resources Inc | 13,156 | $273.3K | 0.00% | +13,156 | New |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 13,506 | $280.5K | 0.00% | +2,103+18.4% | Added |
| Gotham Asset Management, LLC | 14,718 | $305.7K | 0.01% | −129,494−89.8% | Reduced |
| Pacific Capital Partners Ltd | 15,005 | $311.7K | 0.19% | +15,005 | New |
| Bessemer Group Inc | 15,070 | $313.0K | 0.00% | +6,426+74.3% | Added |
| Waterfront Wealth Inc. | 16,878 | $328.6K | 0.11% | +16,878 | New |
| JB Capital LLC | 16,252 | $337.6K | 0.03% | +6,288+63.1% | Added |
| Apollon Wealth Management, LLC | 17,150 | $356.2K | 0.02% | +80.0% | Added |
| Raymond James Financial Services Advisors, Inc. | 17,795 | $369.6K | 0.00% | −1,351−7.1% | Reduced |
| Envestnet Asset Management Inc | 18,233 | $378.7K | 0.00% | +3,675+25.2% | Added |
| Arizona State Retirement System | 18,399 | $382.1K | 0.00% | +252+1.4% | Added |
| Bokf, NA | 22,414 | $387.8K | 0.01% | +22,414 | New |
| HSBC Holdings PLC | 19,299 | $400.5K | 0.00% | −1,656−7.9% | Reduced |
| Oregon Public Employees Retirement Fund | 19,400 | $402.9K | 0.01% | −700−3.5% | Reduced |
| Verition Fund Management LLC | 19,638 | $407.9K | 0.01% | +8,487+76.1% | Added |
| Shell Asset Management Co | 19,849 | $412.0K | 0.02% | −345−1.7% | Reduced |
| Davy Global Fund Management Ltd | 20,180 | $419.1K | 0.09% | 00.0% | Unchanged |
| Janney Montgomery Scott LLC | 21,224 | $441.0K | 0.00% | +2,051+10.7% | Added |
| Voya Investment Management LLC | 21,262 | $441.6K | 0.00% | −6,526−23.5% | Reduced |
| Teachers Retirement System of the State of Kentucky | 21,290 | $443.0K | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 21,540 | $447.3K | 0.00% | +4,832+28.9% | Added |
| Capital Fund Management S.A. | 22,342 | $464.0K | 0.01% | −118,603−84.1% | Reduced |