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 2022
Institutional positions in Tandem Diabetes Care Inc as of Jun 30, 2022. 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
- 331
- −41 vs. Q1 2022
- Shares held
- 61.4M
- +2.07M (+3.5%) vs. Q1 2022
- Total value
- $3.64B
- −$3.26B (−47.2%) vs. Q1 2022
- New holders
- 37
- 150 more added
- Sold out
- 78
- 110 more reduced
7 institutions that held it in Q1 2022 haven't filed for Q2 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2022: 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 2022
Shares, value and share of portfolio for each institution holding Tandem Diabetes Care Inc; share changes are against Q1 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| CenterBook Partners LP | 5,443 | $322.0K | 0.07% | +5,443 | New |
| Stifel Financial Corp | 5,473 | $324.0K | 0.00% | −34,431−86.3% | Reduced |
| Tarbox Family Office, Inc. | 5,514 | $326.0K | 0.07% | +5,514 | New |
| Donoghue Forlines LLC | 5,587 | $331.0K | 0.09% | −539−8.8% | Reduced |
| JB Capital LLC | 5,625 | $333.0K | 0.04% | +467+9.1% | Added |
| JustInvest LLC | 5,708 | $338.0K | 0.02% | +134+2.4% | Added |
| Securian Asset Management, Inc | 5,831 | $345.0K | 0.01% | +179+3.2% | Added |
| Graham Capital Management, L.P. | 5,848 | $346.0K | 0.02% | −1,902−24.5% | Reduced |
| Greenwood Capital Associates LLC | 5,863 | $347.0K | 0.06% | −2,169−27.0% | Reduced |
| Cambridge Investment Research Advisors, Inc. | 5,879 | $348.0K | 0.00% | −640−9.8% | Reduced |
| Crossmark Global Holdings, Inc. | 5,900 | $350.0K | 0.01% | −130−2.2% | Reduced |
| Silvant Capital Management LLC | 6,011 | $356.0K | 0.09% | 00.0% | Unchanged |
| Point72 Hong Kong Ltd | 6,469 | $383.0K | 0.02% | +6,469 | New |
| Ausdal Financial Partners, Inc. | 6,619 | $392.0K | 0.06% | +500+8.2% | Added |
| Schechter Investment Advisors, LLC | 6,645 | $393.0K | 0.04% | +1,588+31.4% | Added |
| Zions Bancorporation, N.A. | 6,742 | $399.0K | 0.04% | +1,412+26.5% | Added |
| Connacht Asset Management LP | 6,856 | $406.0K | 0.58% | +1,396+25.6% | Added |
| Janney Montgomery Scott LLC | 6,792 | $410.0K | 0.00% | +1,127+19.9% | Added |
| The PNC Financial Services Group, Inc. | 7,142 | $422.0K | 0.00% | +896+14.3% | Added |
| Cresset Asset Management, LLC | 7,500 | $444.0K | 0.01% | +671+9.8% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 7,700 | $456.0K | 0.00% | −564−6.8% | Reduced |
| Russell Investments Group, Ltd. | 7,857 | $464.0K | 0.00% | −2,742−25.9% | Reduced |
| Public Employees Retirement Association of Colorado | 8,105 | $480.0K | 0.00% | 00.0% | Unchanged |
| Y-Intercept (Hong Kong) Ltd | 8,116 | $480.0K | 0.06% | +8,116 | New |
| Lattice Capital Management, LLC | 9,200 | $501.0K | 0.92% | 00.0% | Unchanged |
| Prelude Capital Management, LLC | 9,136 | $541.0K | 0.03% | −7,101−43.7% | Reduced |
| State of Alaska, Department of Revenue | 9,190 | $543.0K | 0.01% | −1,833−16.6% | Reduced |
| Trellus Management Company, LLC | 10,000 | $592.0K | 0.83% | +10,000 | New |
| US Bancorp | 10,049 | $597.0K | 0.00% | −520−4.9% | Reduced |
| Oppenheimer & Co Inc | 10,088 | $597.0K | 0.01% | +2,240+28.5% | Added |
| Guggenheim Capital LLC | 10,096 | $598.0K | 0.00% | −3,893−27.8% | Reduced |
| New Mexico Educational Retirement Board | 10,100 | $598.0K | 0.03% | −2,900−22.3% | Reduced |
| Teacher Retirement System of Texas | 10,210 | $604.0K | 0.00% | −2,931−22.3% | Reduced |
| Winton Group Ltd | 10,521 | $623.0K | 0.03% | −2,756−20.8% | Reduced |
| Aigen Investment Management, LP | 10,608 | $628.0K | 0.11% | +10,608 | New |
| Tower Research Capital LLC (TRC) | 10,660 | $631.0K | 0.01% | +453+4.4% | Added |
| Handelsbanken Fonder AB | 10,700 | $633.0K | 0.00% | −300−2.7% | Reduced |
| Northwestern Mutual Investment Management Company, LLC | 10,706 | $634.0K | 0.01% | +154+1.5% | Added |
| Group One Trading, L.P. | 11,106 | $657.0K | 0.02% | −339−3.0% | Reduced |
| Commonwealth Equity Services, LLC | 11,146 | $659.0K | 0.00% | +1,312+13.3% | Added |
| Cna Financial Corp | 11,530 | $682.0K | 0.24% | +11,530 | New |
| Ergoteles LLC | 11,555 | $684.0K | 0.02% | +11,555 | New |
| Canada Pension Plan Investment Board | 11,800 | $698.0K | 0.00% | +6,184+110.1% | Added |
| Ontario Teachers Pension Plan Board | 11,888 | $704.0K | 0.01% | +3,098+35.2% | Added |
| BNP Paribas Arbitrage, SA | 12,041 | $712.7K | 0.00% | −36,450−75.2% | Reduced |
| AlphaCrest Capital Management LLC | 12,340 | $730.0K | 0.04% | −1,811−12.8% | Reduced |
| M&G Investment Management Ltd | 12,822 | $756.0K | 0.01% | +667+5.5% | Added |
| Bridge City Capital, LLC | 13,148 | $778.0K | 0.41% | −23−0.2% | Reduced |
| Xponance, Inc. | 13,546 | $802.0K | 0.02% | +616+4.8% | Added |
| Diversified Trust Co | 13,725 | $812.0K | 0.03% | +6,673+94.6% | Added |
| Cetera Advisor Networks LLC | 13,771 | $815.0K | 0.01% | +353+2.6% | Added |
| Gotham Asset Management, LLC | 14,005 | $829.0K | 0.03% | +588+4.4% | Added |
| Alpha Paradigm Partners, LLC | 14,157 | $838.0K | 0.35% | +13,991+8,428.3% | Added |
| AtonRa Partners | 14,258 | $844.0K | 0.78% | +14,258 | New |
| 1492 Capital Management LLC | 15,053 | $891.0K | 0.59% | +4,681+45.1% | Added |
| Davy Global Fund Management Ltd | 16,045 | $950.0K | 0.19% | 00.0% | Unchanged |
| State of Michigan Retirement System | 16,245 | $962.0K | 0.01% | +100+0.6% | Added |
| Advisor Group Holdings, Inc. | 16,278 | $970.0K | 0.00% | +2,334+16.7% | Added |
| Louisiana State Employees Retirement System | 16,800 | $976.0K | 0.03% | +200+1.2% | Added |
| Ensign Peak Advisors, Inc | 16,670 | $987.0K | 0.00% | +1,690+11.3% | Added |
| B. Metzler seel. Sohn & Co. AG | 16,869 | $998.0K | 0.02% | +5,703+51.1% | Added |
| Ameritas Investment Partners, Inc. | 16,987 | $1.00M | 0.04% | 00.0% | Unchanged |
| Versor Investments LP | 17,063 | $1.01M | 0.04% | +13,363+361.2% | Added |
| Arizona State Retirement System | 17,309 | $1.02M | 0.01% | +135+0.8% | Added |
| Campbell & CO Investment Adviser LLC | 17,638 | $1.04M | 0.28% | +14,027+388.5% | Added |
| Mercer Global Advisors Inc | 17,970 | $1.06M | 0.01% | +10,062+127.2% | Added |
| Raymond James & Associates | 18,178 | $1.08M | 0.00% | +1,879+11.5% | Added |
| Oregon Public Employees Retirement Fund | 18,297 | $1.08M | 0.02% | −2,000−9.9% | Reduced |
| First Republic Investment Management, Inc. | 18,545 | $1.10M | 0.00% | −25,001−57.4% | Reduced |
| Polar Capital Holdings Plc | 18,673 | $1.10M | 0.01% | +3,500+23.1% | Added |
| Capital International Sarl | 19,040 | $1.13M | 0.09% | +2,667+16.3% | Added |
| Stanley-Laman Group, Ltd. | 19,191 | $1.14M | 0.20% | −266−1.4% | Reduced |
| Raymond James Financial Services Advisors, Inc. | 19,618 | $1.16M | 0.00% | −594−2.9% | Reduced |
| Royal Bank of Canada | 19,644 | $1.16M | 0.00% | −20,758−51.4% | Reduced |
| Natixis | 20,219 | $1.20M | 0.00% | +20,219 | New |
| Dynamic Technology Lab Private Ltd | 20,260 | $1.20M | 0.14% | +13,680+207.9% | Added |
| Walleye Capital LLC | 20,616 | $1.22M | 0.03% | +8,071+64.3% | Added |
| Apollon Wealth Management, LLC | 20,666 | $1.22M | 0.10% | −605−2.8% | Reduced |
| Tudor Investment Corp Et Al | 21,169 | $1.25M | 0.04% | +21,169 | New |
| UBS Oconnor LLC | 21,530 | $1.27M | 0.01% | +21,530 | New |
| Weiss Multi-Strategy Advisers LLC | 21,981 | $1.30M | 0.04% | +11,981+119.8% | Added |
| Beacon Investment Advisory Services, Inc. | 22,550 | $1.33M | 0.07% | +1,126+5.3% | Added |
| Capital International Inc | 23,298 | $1.38M | 0.02% | −290−1.2% | Reduced |
| HighMark Wealth Management LLC | 23,375 | $1.38M | 1.11% | 00.0% | Unchanged |
| Illinois Municipal Retirement Fund | 23,406 | $1.39M | 0.03% | +9,599+69.5% | Added |
| Envestnet Asset Management Inc | 23,783 | $1.41M | 0.00% | +6,722+39.4% | Added |
| Bank of Montreal | 23,068 | $1.46M | 0.00% | −79,361−77.5% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 25,322 | $1.50M | 0.02% | +2,038+8.8% | Added |
| Spouting Rock Asset Management, LLC | 25,417 | $1.50M | 0.98% | +1,760+7.4% | Added |
| DekaBank Deutsche Girozentrale | 26,000 | $1.56M | 0.00% | +26,000 | New |
| Treasurer of the State of North Carolina | 26,993 | $1.60M | 0.01% | +4,191+18.4% | Added |
| AQR Capital Management LLC | 27,441 | $1.60M | 0.00% | +4,171+17.9% | Added |
| D. E. Shaw & Co., Inc. | 27,289 | $1.61M | 0.00% | +19,845+266.6% | Added |
| Baird Financial Group, Inc. | 28,509 | $1.69M | 0.00% | +3,119+12.3% | Added |
| Chartwell Investment Partners, LLC | 28,542 | $1.69M | 0.07% | +11,495+67.4% | Added |
| Comerica Bank | 29,239 | $1.70M | 0.01% | +217+0.7% | Added |
| Bank Julius Baer & Co. Ltd, Zurich | 29,184 | $1.73M | 0.01% | −9,224−24.0% | Reduced |
| Kennedy Capital Management, Inc. | 32,943 | $1.95M | 0.05% | +1,565+5.0% | Added |
| Citigroup Inc | 33,713 | $2.00M | 0.00% | −1,779−5.0% | Reduced |
| Landscape Capital Management, L.L.C. | 33,807 | $2.00M | 0.27% | +33,807 | New |