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, Q4 2023
Institutional positions in Tandem Diabetes Care Inc as of Dec 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
- 268
- +43 vs. Q3 2023
- Shares held
- 70.9M
- +1.30M (+1.9%) vs. Q3 2023
- Total value
- $2.10B
- +$651.3M (+45.1%) vs. Q3 2023
- New holders
- 75
- 84 more added
- Sold out
- 32
- 86 more reduced
1 institution that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2023
Shares, value and share of portfolio for each institution holding Tandem Diabetes Care Inc; share changes are against Q3 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Quadrant Capital Group LLC | 3,976 | $117.6K | 0.01% | +3,161+387.9% | Added |
| Acadian Asset Management LLC | 3,759 | $111.0K | 0.00% | +3,759 | New |
| American International Group, Inc. | 3,661 | $108.3K | 0.00% | −182−4.7% | Reduced |
| Group One Trading, L.P. | 3,631 | $107.4K | 0.00% | +3,631 | New |
| Creative Financial Designs Inc | 3,531 | $104.4K | 0.01% | +3,531 | New |
| GAMMA Investing LLC | 2,470 | $56.3K | 0.02% | +2,470 | New |
| Signaturefd, LLC | 1,691 | $50.0K | 0.00% | +1,517+871.8% | Added |
| MetLife Investment Management | 1,611 | $47.7K | 0.00% | −28−1.7% | Reduced |
| AdvisorNet Financial, Inc | 1,500 | $44.4K | 0.00% | 00.0% | Unchanged |
| State of Wyoming | 1,486 | $44.0K | 0.01% | +153+11.5% | Added |
| Northwestern Mutual Wealth Management Co | 1,417 | $41.9K | 0.00% | −370−20.7% | Reduced |
| Salem Investment Counselors Inc | 1,000 | $29.6K | 0.00% | 00.0% | Unchanged |
| RiverPark Advisors, LLC | 916 | $27.1K | 0.02% | +916 | New |
| CWM, LLC | 781 | $23.0K | 0.00% | +331+73.6% | Added |
| Arcadia Investment Management Corp | 766 | $22.7K | 0.00% | +766 | New |
| Farther Finance Advisors, LLC | 673 | $19.9K | 0.00% | +173+34.6% | Added |
| NBC Securities, Inc. | 618 | $18.0K | 0.00% | +31+5.3% | Added |
| Global Retirement Partners, LLC | 690 | $17.6K | 0.00% | +48+7.5% | Added |
| MCF Advisors LLC | 561 | $16.6K | 0.00% | +461+461.0% | Added |
| Parallel Advisors, LLC | 534 | $15.8K | 0.00% | +472+761.3% | Added |
| Quarry LP | 517 | $15.3K | 0.01% | +517 | New |
| First Horizon Advisors, Inc. | 513 | $15.2K | 0.00% | +314+157.8% | Added |
| Loomis Sayles & Co L P | 400 | $12.0K | 0.00% | +400 | New |
| Allspring Global Investments Holdings, LLC | 398 | $11.8K | 0.00% | +90+29.2% | Added |
| Lee Financial Co | 385 | $11.4K | 0.00% | +385 | New |
| Versant Capital Management, Inc | 377 | $11.2K | 0.00% | +370+5,285.7% | Added |
| GPS Wealth Strategies Group, LLC | 369 | $10.9K | 0.00% | −131−26.2% | Reduced |
| Banque Cantonale Vaudoise | 346 | $10.0K | 0.00% | −25−6.7% | Reduced |
| Stephens Inc | 328 | $9.70K | 0.00% | −1,746−84.2% | Reduced |
| Fifth Third Bancorp | 326 | $9.64K | 0.00% | +92+39.3% | Added |
| Toth Financial Advisory Corp | 325 | $9.61K | 0.00% | 00.0% | Unchanged |
| Principal Securities, Inc. | 317 | $9.38K | 0.00% | +317 | New |
| Covestor Ltd | 291 | $9.00K | 0.01% | +2+0.7% | Added |
| EverSource Wealth Advisors, LLC | 253 | $7.48K | 0.00% | +243+2,430.0% | Added |
| Harbour Investments, Inc. | 200 | $5.92K | 0.00% | −66−24.8% | Reduced |
| Lindbrook Capital, LLC | 190 | $5.62K | 0.00% | +116+156.8% | Added |
| Federation des caisses Desjardins du Quebec | 150 | $4.44K | 0.00% | +150 | New |
| Beacon Capital Management, LLC | 202 | $4.20K | 0.00% | 00.0% | Unchanged |
| Private Trust Co NA | 120 | $3.55K | 0.00% | +120 | New |
| Front Row Advisors LLC | 100 | $2.96K | 0.00% | 00.0% | Unchanged |
| IFP Advisors, Inc | 96 | $2.84K | 0.00% | −145−60.2% | Reduced |
| Zions Bancorporation, N.A. | 87 | $2.57K | 0.00% | −51−37.0% | Reduced |
| Umb Bank N A | 84 | $2.48K | 0.00% | −50−37.3% | Reduced |
| Allworth Financial LP | 84 | $2.48K | 0.00% | +4+5.0% | Added |
| CarsonAllaria Wealth Management, Ltd. | 75 | $2.22K | 0.00% | 00.0% | Unchanged |
| Massmutual Trust Co FSB | 74 | $2.19K | 0.00% | +68+1,133.3% | Added |
| Steward Partners Investment Advisory, LLC | 70 | $2.07K | 0.00% | 00.0% | Unchanged |
| Walleye Trading LLC | 67 | $1.98K | 0.00% | +67 | New |
| Parkside Financial Bank & Trust | 60 | $1.77K | 0.00% | −123−67.2% | Reduced |
| Quent Capital, LLC | 60 | $1.77K | 0.00% | −34−36.2% | Reduced |
| Farmers & Merchants Investments Inc | 50 | $1.48K | 0.00% | 00.0% | Unchanged |
| Focused Wealth Management, Inc | 40 | $1.18K | 0.00% | 00.0% | Unchanged |
| Bell Investment Advisors, Inc | 36 | $1.06K | 0.00% | +32+800.0% | Added |
| Sachetta, LLC | 35 | $1.04K | 0.00% | +35 | New |
| AlphaMark Advisors, LLC | 30 | $1.00K | 0.00% | 00.0% | Unchanged |
| Cambridge Trust Co | 32 | $947 | 0.00% | 00.0% | Unchanged |
| Able Wealth Management LLC | 31 | $917 | 0.00% | +31 | New |
| Security National Bank | 26 | $769 | 0.00% | +26 | New |
| Huntington National Bank | 21 | $622 | 0.00% | +2+10.5% | Added |
| Central Trust Co | 20 | $592 | 0.00% | 00.0% | Unchanged |
| Tidemark, LLC | 20 | $592 | 0.00% | +20 | New |
| Abound Wealth Management | 10 | $296 | 0.00% | +3+42.9% | Added |
| Bruce G. Allen Investments, LLC | 8 | $237 | 0.00% | +8 | New |
| Crewe Advisors LLC | 6 | $178 | 0.00% | +6 | New |
| National Bank of Canada | 3 | $85 | 0.00% | −40−93.0% | Reduced |
| Proequities, Inc. | 1 | $29 | 0.00% | 00.0% | Unchanged |
| Capital Advisors, Ltd. LLC | 13 | $0 | 0.00% | +13 | New |
| Smartleaf Asset Management LLC | 4 | $0 | 0.00% | +4 | New |
| Peregrine Capital Management LLC | 0 | $0 | 0.00% | −243,355−100.0% | Sold out |
| Norges Bank | 0 | $0 | 0.00% | −163,273−100.0% | Sold out |
| Integral Health Asset Management, LLC | 0 | $0 | 0.00% | −130,000−100.0% | Sold out |
| Cubist Systematic Strategies, LLC | 0 | $0 | 0.00% | −108,056−100.0% | Sold out |
| Granahan Investment Management Inc | 0 | $0 | 0.00% | −98,924−100.0% | Sold out |
| State of New Jersey Common Pension Fund D | 0 | $0 | 0.00% | −87,632−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −62,133−100.0% | Sold out |
| Macquarie Group Ltd | 0 | $0 | 0.00% | −57,969−100.0% | Sold out |
| AXA S.A. | 0 | $0 | 0.00% | −56,156−100.0% | Sold out |
| Millrace Asset Group, Inc. | 0 | $0 | 0.00% | −54,706−100.0% | Sold out |
| Two Sigma Securities, LLC | 0 | $0 | 0.00% | −32,765−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −25,521−100.0% | Sold out |
| SG Americas Securities, LLC | 0 | $0 | 0.00% | −23,510−100.0% | Sold out |
| Capital Fund Management S.A. | 0 | $0 | 0.00% | −22,342−100.0% | Sold out |
| Verition Fund Management LLC | 0 | $0 | 0.00% | −19,638−100.0% | Sold out |
| Waterfront Wealth Inc. | 0 | $0 | 0.00% | −16,878−100.0% | Sold out |
| Ontario Teachers Pension Plan Board | 0 | $0 | 0.00% | −12,771−100.0% | Sold out |
| Quantbot Technologies LP | 0 | $0 | 0.00% | −11,482−100.0% | Sold out |
| Point72 Middle East FZE | 0 | $0 | 0.00% | −11,348−100.0% | Sold out |
| Polar Capital Holdings Plc | 0 | $0 | 0.00% | −11,210−100.0% | Sold out |
| Mercer Global Advisors Inc | 0 | $0 | 0.00% | −9,756−100.0% | Sold out |
| Lombard Odier Asset Management (USA) Corp | 0 | $0 | 0.00% | −8,225−100.0% | Sold out |
| Counterpoint Mutual Funds LLC | 0 | $0 | 0.00% | −6,393−100.0% | Sold out |
| Stonebridge Capital Advisors LLC | 0 | $0 | 0.00% | −5,400−100.0% | Sold out |
| FinTrust Capital Advisors, LLC | 0 | $0 | 0.00% | −110−100.0% | Sold out |
| Glassman Wealth Services | 0 | $0 | 0.00% | −32−100.0% | Sold out |
| Maryland Capital Advisors Inc. | 0 | $0 | 0.00% | −20−100.0% | Sold out |
| Whittier Trust Co | 0 | $0 | 0.00% | −17−100.0% | Sold out |
| Cary Street Partner Investment Advisory LLC | 0 | $0 | 0.00% | −5−100.0% | Sold out |
| USA Financial Portformulas Corp | 0 | $0 | 0.00% | −2−100.0% | Sold out |
| Elequin Capital LP | 0 | $0 | 0.00% | −1−100.0% | Sold out |
| Harel Insurance Investments & Financial Services Ltd. | 0 | $0 | 0.00% | −2−100.0% | Sold out |