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 |
|---|---|---|---|---|---|
| Texas Permanent School Fund | 56,740 | $1.39M | 0.01% | −789−1.4% | Reduced |
| Seven Eight Capital, LP | 51,861 | $1.27M | 0.21% | +51,861 | New |
| Twinbeech Capital LP | 48,469 | $1.19M | 0.02% | +48,469 | New |
| Capital International Sarl | 48,270 | $1.18M | 0.05% | +478+1.0% | Added |
| Royal Bank of Canada | 44,039 | $1.08M | 0.00% | +2,471+5.9% | Added |
| State of Tennessee, Treasury Department | 43,624 | $1.07M | 0.00% | −25,082−36.5% | Reduced |
| Beacon Investment Advisory Services, Inc. | 42,740 | $1.05M | 0.05% | +17,326+68.2% | Added |
| Schonfeld Strategic Advisors LLC | 42,514 | $1.04M | 0.01% | +23,012+118.0% | Added |
| State of Alaska, Department of Revenue | 42,520 | $1.04M | 0.01% | −1,521−3.5% | Reduced |
| XTX Topco Ltd | 42,039 | $1.03M | 0.18% | +42,039 | New |
| Macquarie Group Ltd | 41,834 | $1.03M | 0.00% | +6,390+18.0% | Added |
| Ontario Teachers Pension Plan Board | 40,742 | $999.8K | 0.01% | +31,504+341.0% | Added |
| Jane Street Group, LLC | 40,668 | $998.0K | 0.00% | +4,054+11.1% | Added |
| Raymond James & Associates | 39,527 | $970.0K | 0.00% | +3,338+9.2% | Added |
| Candriam Luxembourg S.C.A. | 36,587 | $897.8K | 0.01% | 00.0% | Unchanged |
| Voss Capital, LLC | 35,000 | $858.9K | 0.10% | +35,000 | New |
| Yousif Capital Management, LLC | 34,688 | $851.2K | 0.01% | −1,595−4.4% | Reduced |
| Louisiana State Employees Retirement System | 33,900 | $831.9K | 0.02% | +3,900+13.0% | Added |
| Algert Global LLC | 33,373 | $819.0K | 0.04% | −59,253−64.0% | Reduced |
| Harbor Capital Advisors, Inc. | 32,921 | $807.9K | 0.16% | +32,921 | New |
| Spouting Rock Asset Management, LLC | 32,501 | $797.6K | 0.29% | +269+0.8% | Added |
| Citigroup Inc | 32,492 | $797.4K | 0.00% | +2,480+8.3% | Added |
| Price T Rowe Associates Inc | 32,029 | $786.0K | 0.00% | −259,162−89.0% | Reduced |
| Maryland State Retirement & Pension System | 29,977 | $735.6K | 0.02% | −717−2.3% | Reduced |
| Amalgamated Bank | 29,903 | $734.0K | 0.01% | −3,811−11.3% | Reduced |
| Public Employees Retirement System of Ohio | 29,149 | $715.0K | 0.00% | −2,574−8.1% | Reduced |
| Treasurer of the State of North Carolina | 28,153 | $691.0K | 0.00% | +260+0.9% | Added |
| Voya Investment Management LLC | 27,788 | $681.9K | 0.00% | −31,466−53.1% | Reduced |
| BNP Paribas Arbitrage, SA | 27,067 | $664.2K | 0.00% | −36,255−57.3% | Reduced |
| LPL Financial LLC | 24,987 | $613.2K | 0.00% | +3,695+17.4% | Added |
| Oak Thistle LLC | 24,643 | $604.7K | 0.32% | +16,492+202.3% | Added |
| HighMark Wealth Management LLC | 24,300 | $596.3K | 0.45% | +925+4.0% | Added |
| Formula Growth Ltd | 23,746 | $582.7K | 0.19% | 00.0% | Unchanged |
| Capital International Inc | 23,628 | $579.8K | 0.01% | 00.0% | Unchanged |
| Ensign Peak Advisors, Inc | 22,620 | $555.1K | 0.00% | 00.0% | Unchanged |
| HSBC Holdings PLC | 20,955 | $524.9K | 0.00% | +20,955 | New |
| Teachers Retirement System of the State of Kentucky | 21,290 | $523.0K | 0.01% | +6,078+40.0% | Added |
| SEI Investments Co | 20,646 | $506.7K | 0.00% | −62,319−75.1% | Reduced |
| Shell Asset Management Co | 20,194 | $496.0K | 0.02% | −115−0.6% | Reduced |
| Davy Global Fund Management Ltd | 20,180 | $495.2K | 0.09% | +915+4.7% | Added |
| Oregon Public Employees Retirement Fund | 20,100 | $493.3K | 0.01% | −600−2.9% | Reduced |
| Divisadero Street Capital Management, LP | 20,000 | $490.8K | 0.15% | 00.0% | Unchanged |
| Virginia Retirement Systems Et Al | 19,200 | $471.2K | 0.00% | +8,600+81.1% | Added |
| Janney Montgomery Scott LLC | 19,173 | $471.0K | 0.00% | +4,526+30.9% | Added |
| Raymond James Financial Services Advisors, Inc. | 19,146 | $469.8K | 0.00% | −7,134−27.1% | Reduced |
| Tower Research Capital LLC (TRC) | 18,515 | $454.4K | 0.02% | +18,437+23,637.2% | Added |
| Arizona State Retirement System | 18,147 | $445.3K | 0.00% | −483−2.6% | Reduced |
| Apollon Wealth Management, LLC | 17,142 | $420.7K | 0.02% | −2,286−11.8% | Reduced |
| Dark Forest Capital Management LP | 16,941 | $415.7K | 0.04% | +11,185+194.3% | Added |
| Advisor Group Holdings, Inc. | 16,708 | $410.1K | 0.00% | +1,951+13.2% | Added |
| Legato Capital Management LLC | 14,676 | $360.1K | 0.05% | +3,849+35.6% | Added |
| Envestnet Asset Management Inc | 14,558 | $357.3K | 0.00% | −7,111−32.8% | Reduced |
| Y-Intercept (Hong Kong) Ltd | 14,265 | $350.1K | 0.04% | +14,265 | New |
| Centiva Capital, LP | 14,034 | $344.4K | 0.02% | +14,034 | New |
| SG Americas Securities, LLC | 13,759 | $338.0K | 0.00% | +2,968+27.5% | Added |
| Bridge City Capital, LLC | 13,469 | $330.5K | 0.16% | +50.0% | Added |
| Dynamic Technology Lab Private Ltd | 12,640 | $310.0K | 0.04% | +12,640 | New |
| Mutual of America Capital Management LLC | 12,622 | $309.7K | 0.00% | −619−4.7% | Reduced |
| Point72 Middle East FZE | 12,304 | $301.9K | 0.02% | +12,304 | New |
| Assenagon Asset Management S.A. | 12,053 | $295.8K | 0.00% | −26,372−68.6% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 11,403 | $279.8K | 0.00% | +955+9.1% | Added |
| Capital Group Investment Management Pte. Ltd. | 11,300 | $277.3K | 0.01% | 00.0% | Unchanged |
| Polar Capital Holdings Plc | 11,210 | $275.1K | 0.00% | 00.0% | Unchanged |
| Verition Fund Management LLC | 11,151 | $273.6K | 0.00% | +2,010+22.0% | Added |
| NinePointTwo Capital | 11,023 | $270.0K | 0.10% | +11,023 | New |
| Gabelli Funds LLC | 11,000 | $269.9K | 0.00% | +11,000 | New |
| Fox Run Management, L.L.C. | 10,963 | $269.0K | 0.08% | +10,963 | New |
| Duality Advisers, LP | 10,950 | $268.7K | 0.03% | +10,950 | New |
| US Bancorp | 10,798 | $265.0K | 0.00% | −370−3.3% | Reduced |
| Handelsbanken Fonder AB | 10,700 | $263.0K | 0.00% | 00.0% | Unchanged |
| Mercer Global Advisors Inc | 10,175 | $250.0K | 0.00% | −5,310−34.3% | Reduced |
| Diversified Trust Co | 10,024 | $246.0K | 0.01% | −8,225−45.1% | Reduced |
| JB Capital LLC | 9,964 | $244.5K | 0.02% | +2,998+43.0% | Added |
| Lattice Capital Management, LLC | 9,200 | $225.8K | 0.39% | 00.0% | Unchanged |
| Guggenheim Capital LLC | 9,190 | $225.5K | 0.00% | +3,291+55.8% | Added |
| Baird Financial Group, Inc. | 9,169 | $225.0K | 0.00% | +990+12.1% | Added |
| Commonwealth Equity Services, LLC | 8,962 | $220.0K | 0.00% | −873−8.9% | Reduced |
| Bessemer Group Inc | 8,644 | $212.0K | 0.00% | +8,644 | New |
| Aigen Investment Management, LP | 8,632 | $211.8K | 0.03% | −15,772−64.6% | Reduced |
| Engineers Gate Manager LP | 8,504 | $208.7K | 0.01% | +8,504 | New |
| Allianz Asset Management GmbH | 8,400 | $206.1K | 0.00% | +8,400 | New |
| Crossmark Global Holdings, Inc. | 5,754 | $205.0K | 0.00% | −73−1.3% | Reduced |
| Public Employees Retirement Association of Colorado | 8,105 | $199.0K | 0.00% | 00.0% | Unchanged |
| Leonteq Securities AG | 6,512 | $159.8K | 0.02% | +1,512+30.2% | Added |
| Nisa Investment Advisors, LLC | 6,050 | $148.5K | 0.00% | +5,445+900.0% | Added |
| Van Eck Associates Corp | 5,153 | $126.0K | 0.00% | +1,069+26.2% | Added |
| American International Group, Inc. | 4,251 | $104.3K | 0.00% | −748−15.0% | Reduced |
| Aquatic Capital Management LLC | 3,900 | $96.0K | 0.01% | +2,000+105.3% | Added |
| Northwestern Mutual Wealth Management Co | 3,540 | $86.9K | 0.00% | +2,020+132.9% | Added |
| Newbridge Financial Services Group, Inc. | 3,410 | $83.7K | 0.04% | +1,500+78.5% | Added |
| Gilder Gagnon Howe & Co LLC | 2,710 | $66.5K | 0.00% | +2,710 | New |
| Stephens Inc | 2,131 | $52.3K | 0.00% | +11+0.5% | Added |
| The PNC Financial Services Group, Inc. | 2,127 | $52.2K | 0.00% | −3,170−59.8% | Reduced |
| MetLife Investment Management | 1,637 | $40.2K | 0.00% | −2,062−55.7% | Reduced |
| AdvisorNet Financial, Inc | 1,500 | $36.8K | 0.00% | +1,500 | New |
| Quadrant Capital Group LLC | 1,201 | $29.5K | 0.00% | +140+13.2% | Added |
| State of Wyoming | 1,169 | $28.7K | 0.01% | +260+28.6% | Added |
| Salem Investment Counselors Inc | 1,000 | $24.5K | 0.00% | 00.0% | Unchanged |
| Global Retirement Partners, LLC | 726 | $17.8K | 0.00% | −158−17.9% | Reduced |
| Group One Trading, L.P. | 719 | $17.6K | 0.00% | +719 | New |