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 2024
Institutional positions in Tandem Diabetes Care Inc as of Mar 31, 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
- 291
- +25 vs. Q4 2023
- Shares held
- 74.1M
- +3.31M (+4.7%) vs. Q4 2023
- Total value
- $2.63B
- +$531.0M (+25.3%) vs. Q4 2023
- New holders
- 54
- 123 more added
- Sold out
- 29
- 78 more reduced
2 institutions that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2024
Shares, value and share of portfolio for each institution holding Tandem Diabetes Care Inc; share changes are against Q4 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Capital Advisors, Ltd. LLC | 13 | $0 | 0.00% | 00.0% | Unchanged |
| Proequities, Inc. | 1 | $35 | 0.00% | 00.0% | Unchanged |
| MV Capital Management, Inc. | 1 | $36 | 0.00% | +1 | New |
| Smartleaf Asset Management LLC | 4 | $141 | 0.00% | 00.0% | Unchanged |
| Elequin Capital LP | 7 | $248 | 0.00% | +7 | New |
| Bruce G. Allen Investments, LLC | 8 | $283 | 0.00% | 00.0% | Unchanged |
| Abound Wealth Management | 10 | $355 | 0.00% | 00.0% | Unchanged |
| Huntington National Bank | 19 | $672 | 0.00% | −2−9.5% | Reduced |
| Tidemark, LLC | 20 | $708 | 0.00% | 00.0% | Unchanged |
| Central Trust Co | 20 | $709 | 0.00% | 00.0% | Unchanged |
| Westend Capital Management, LLC | 27 | $956 | 0.00% | +27 | New |
| Sachetta, LLC | 35 | $1.04K | 0.00% | 00.0% | Unchanged |
| Cambridge Trust Co | 32 | $1.13K | 0.00% | 00.0% | Unchanged |
| Bell Investment Advisors, Inc | 36 | $1.27K | 0.00% | 00.0% | Unchanged |
| Farmers & Merchants Investments Inc | 50 | $1.77K | 0.00% | 00.0% | Unchanged |
| Benjamin F. Edwards & Company, Inc. | 60 | $2.00K | 0.00% | +60 | New |
| Parkside Financial Bank & Trust | 60 | $2.13K | 0.00% | 00.0% | Unchanged |
| Massmutual Trust Co FSB | 68 | $2.41K | 0.00% | −6−8.1% | Reduced |
| Steward Partners Investment Advisory, LLC | 70 | $2.48K | 0.00% | 00.0% | Unchanged |
| Anfield Capital Management, LLC | 73 | $2.58K | 0.00% | +73 | New |
| CarsonAllaria Wealth Management, Ltd. | 75 | $2.66K | 0.00% | 00.0% | Unchanged |
| Allworth Financial LP | 82 | $2.90K | 0.00% | −2−2.4% | Reduced |
| Zions Bancorporation, N.A. | 85 | $3.01K | 0.00% | −2−2.3% | Reduced |
| IFP Advisors, Inc | 96 | $3.40K | 0.00% | 00.0% | Unchanged |
| Umb Bank N A | 112 | $3.97K | 0.00% | +28+33.3% | Added |
| Private Trust Co NA | 135 | $4.78K | 0.00% | +15+12.5% | Added |
| Mather Group, LLC. | 170 | $5.03K | 0.00% | +170 | New |
| Federation des caisses Desjardins du Quebec | 150 | $5.31K | 0.00% | 00.0% | Unchanged |
| GWM Advisors LLC | 158 | $5.59K | 0.00% | +158 | New |
| Harbour Investments, Inc. | 200 | $7.08K | 0.00% | 00.0% | Unchanged |
| EverSource Wealth Advisors, LLC | 243 | $8.92K | 0.00% | −10−4.0% | Reduced |
| Lindbrook Capital, LLC | 280 | $9.91K | 0.00% | +90+47.4% | Added |
| Covestor Ltd | 291 | $10.0K | 0.01% | 00.0% | Unchanged |
| Principal Securities, Inc. | 286 | $10.1K | 0.00% | −31−9.8% | Reduced |
| Banque Cantonale Vaudoise | 303 | $11.0K | 0.00% | −43−12.4% | Reduced |
| Front Row Advisors LLC | 315 | $11.2K | 0.00% | +215+215.0% | Added |
| Jones Financial Companies LLLP | 315 | $11.2K | 0.00% | +315 | New |
| GPS Wealth Strategies Group, LLC | 319 | $11.3K | 0.00% | −50−13.6% | Reduced |
| Toth Financial Advisory Corp | 325 | $11.5K | 0.00% | 00.0% | Unchanged |
| CIBC Private Wealth Group, LLC | 340 | $11.5K | 0.00% | +340 | New |
| Quent Capital, LLC | 346 | $12.3K | 0.00% | +286+476.7% | Added |
| Versant Capital Management, Inc | 377 | $13.3K | 0.00% | 00.0% | Unchanged |
| NBC Securities, Inc. | 410 | $14.0K | 0.00% | −208−33.7% | Reduced |
| Fifth Third Bancorp | 400 | $14.2K | 0.00% | +74+22.7% | Added |
| Point72 Asia (Singapore) Pte. Ltd. | 435 | $15.4K | 0.00% | +435 | New |
| First Horizon Advisors, Inc. | 544 | $19.3K | 0.00% | +31+6.0% | Added |
| FinTrust Capital Advisors, LLC | 612 | $21.7K | 0.00% | +612 | New |
| Quest Partners LLC | 658 | $23.3K | 0.00% | +658 | New |
| Tower Research Capital LLC (TRC) | 662 | $23.4K | 0.00% | −5,746−89.7% | Reduced |
| Global Retirement Partners, LLC | 690 | $24.4K | 0.00% | 00.0% | Unchanged |
| State of Wyoming | 750 | $26.6K | 0.00% | −736−49.5% | Reduced |
| CWM, LLC | 800 | $28.0K | 0.00% | +19+2.4% | Added |
| nVerses Capital, LLC | 900 | $31.9K | 0.08% | +900 | New |
| Headlands Technologies LLC | 981 | $34.7K | 0.01% | +981 | New |
| Salem Investment Counselors Inc | 1,000 | $35.4K | 0.00% | 00.0% | Unchanged |
| MCF Advisors LLC | 1,006 | $35.6K | 0.00% | +445+79.3% | Added |
| CoreCap Advisors, LLC | 1,053 | $37.3K | 0.00% | +1,053 | New |
| Newbridge Financial Services Group, Inc. | 1,105 | $39.1K | 0.02% | −3,365−75.3% | Reduced |
| Parallel Advisors, LLC | 1,196 | $42.4K | 0.00% | +662+124.0% | Added |
| AdvisorNet Financial, Inc | 1,500 | $53.1K | 0.01% | 00.0% | Unchanged |
| MetLife Investment Management | 1,614 | $57.2K | 0.00% | +3+0.2% | Added |
| Fernwood Investment Management, LLC | 1,625 | $57.5K | 0.02% | +1,625 | New |
| Northwestern Mutual Wealth Management Co | 1,642 | $58.1K | 0.00% | +225+15.9% | Added |
| Signaturefd, LLC | 1,785 | $63.2K | 0.00% | +94+5.6% | Added |
| Arcadia Investment Management Corp | 1,851 | $65.5K | 0.01% | +1,085+141.6% | Added |
| Creative Financial Designs Inc | 3,531 | $125.0K | 0.01% | 00.0% | Unchanged |
| American International Group, Inc. | 3,628 | $128.5K | 0.00% | −33−0.9% | Reduced |
| GAMMA Investing LLC | 3,845 | $136.2K | 0.03% | +1,375+55.7% | Added |
| Farther Finance Advisors, LLC | 4,214 | $142.6K | 0.01% | +3,541+526.2% | Added |
| Nisa Investment Advisors, LLC | 4,450 | $157.6K | 0.00% | 00.0% | Unchanged |
| Walleye Capital LLC | 5,021 | $177.8K | 0.00% | +5,021 | New |
| The PNC Financial Services Group, Inc. | 5,633 | $199.5K | 0.00% | −155−2.7% | Reduced |
| JustInvest LLC | 5,654 | $200.2K | 0.00% | +5,654 | New |
| Quadrant Capital Group LLC | 5,770 | $204.3K | 0.02% | +1,794+45.1% | Added |
| HSBC Holdings PLC | 6,086 | $215.4K | 0.00% | −7,489−55.2% | Reduced |
| Van Eck Associates Corp | 6,098 | $216.0K | 0.00% | +198+3.4% | Added |
| Evergreen Capital Management LLC | 6,178 | $218.8K | 0.01% | +6,178 | New |
| Allspring Global Investments Holdings, LLC | 6,635 | $234.9K | 0.00% | +6,237+1,567.1% | Added |
| Regions Financial Corp | 6,682 | $236.6K | 0.00% | +6,682 | New |
| LVW Advisors, LLC | 6,835 | $242.0K | 0.04% | +6,835 | New |
| Advisory Services Network, LLC | 6,960 | $246.5K | 0.01% | +32+0.5% | Added |
| HighPoint Advisor Group LLC | 5,623 | $247.0K | 0.02% | +5,623 | New |
| Pictet Asset Management Holding SA | 7,082 | $250.8K | 0.00% | 00.0% | Unchanged |
| Landscape Capital Management, L.L.C. | 7,485 | $265.0K | 0.02% | −241−3.1% | Reduced |
| Boothbay Fund Management, LLC | 7,550 | $267.3K | 0.01% | −9,866−56.6% | Reduced |
| 180 Wealth Advisors, LLC | 7,654 | $271.0K | 0.05% | −383−4.8% | Reduced |
| MML Investors Services, LLC | 7,671 | $272.0K | 0.00% | +7,671 | New |
| XTX Topco Ltd | 7,695 | $272.5K | 0.04% | +7,695 | New |
| Captrust Financial Advisors | 7,837 | $277.5K | 0.00% | +823+11.7% | Added |
| Public Employees Retirement Association of Colorado | 8,105 | $287.0K | 0.00% | 00.0% | Unchanged |
| Commonwealth Equity Services, LLC | 8,190 | $290.0K | 0.00% | +483+6.3% | Added |
| Stephens Inc | 8,356 | $295.9K | 0.00% | +8,028+2,447.6% | Added |
| Neuberger Berman Group LLC | 8,357 | $295.9K | 0.00% | +227+2.8% | Added |
| Gsa Capital Partners LLP | 8,393 | $297.0K | 0.02% | +8,393 | New |
| Oppenheimer & Co Inc | 8,399 | $297.4K | 0.00% | −1,400−14.3% | Reduced |
| Creative Planning | 8,474 | $300.1K | 0.00% | +670+8.6% | Added |
| Oak Thistle LLC | 8,557 | $303.0K | 0.27% | −9,694−53.1% | Reduced |
| Advisor Group Holdings, Inc. | 8,574 | $303.6K | 0.00% | −10,481−55.0% | Reduced |
| Dynamic Technology Lab Private Ltd | 8,593 | $304.0K | 0.03% | +8,593 | New |
| Park Avenue Securities LLC | 8,650 | $306.0K | 0.00% | +1,459+20.3% | Added |