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 2022
Institutional positions in Tandem Diabetes Care Inc as of Mar 31, 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
- 379
- −4 vs. Q4 2021
- Shares held
- 59.5M
- −891.8K (−1.5%) vs. Q4 2021
- Total value
- $6.92B
- −$2.17B (−23.8%) vs. Q4 2021
- New holders
- 62
- 153 more added
- Sold out
- 66
- 119 more reduced
5 institutions that held it in Q4 2021 haven't filed for Q1 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2021: 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 2022
Shares, value and share of portfolio for each institution holding Tandem Diabetes Care Inc; share changes are against Q4 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| State Board of Administration of Florida Retirement System | 73,193 | $8.51M | 0.02% | −948−1.3% | Reduced |
| Wells Fargo & Company | 71,853 | $8.36M | 0.00% | −16,114−18.3% | Reduced |
| Frontier Capital Management Co LLC | 66,546 | $7.74M | 0.07% | −242−0.4% | Reduced |
| Bank of Nova Scotia | 65,497 | $7.62M | 0.01% | +65,497 | New |
| ExodusPoint Capital Management, LP | 62,967 | $7.32M | 0.11% | +22,659+56.2% | Added |
| Deutsche Bank AG | 61,606 | $7.16M | 0.00% | −41,073−40.0% | Reduced |
| Healthcare of Ontario Pension Plan Trust Fund | 61,017 | $7.10M | 0.03% | +32,017+110.4% | Added |
| Cinctive Capital Management LP | 57,126 | $6.64M | 0.30% | −10,615−15.7% | Reduced |
| New York State Teachers Retirement System | 55,585 | $6.46M | 0.01% | +2,314+4.3% | Added |
| Manufacturers Life Insurance Company, The | 53,579 | $6.23M | 0.00% | −18,131−25.3% | Reduced |
| Capital Fund Management S.A. | 50,054 | $5.82M | 0.16% | −608−1.2% | Reduced |
| Altium Capital Management LP | 50,000 | $5.82M | 2.03% | +50,000 | New |
| Capital International Ltd | 49,669 | $5.78M | 0.33% | +371+0.8% | Added |
| Qube Research & Technologies Ltd | 49,269 | $5.73M | 0.05% | +49,269 | New |
| Formula Growth Ltd | 48,753 | $5.67M | 1.08% | −3,676−7.0% | Reduced |
| BNP Paribas Arbitrage, SA | 48,491 | $5.64M | 0.01% | −21,835−31.0% | Reduced |
| Algert Global LLC | 47,731 | $5.55M | 0.36% | +13,412+39.1% | Added |
| SG Americas Securities, LLC | 47,727 | $5.55M | 0.05% | +22,183+86.8% | Added |
| Amalgamated Bank | 46,865 | $5.45M | 0.04% | −142−0.3% | Reduced |
| Amalgamated Financial Corp. | 46,865 | $5.45M | 0.04% | +46,865 | New |
| Texas Permanent School Fund | 45,042 | $5.24M | 0.07% | −765−1.7% | Reduced |
| MetLife Investment Management | 43,658 | $5.08M | 0.03% | +12,869+41.8% | Added |
| First Republic Investment Management, Inc. | 43,546 | $5.06M | 0.01% | +527+1.2% | Added |
| Candriam Luxembourg S.C.A. | 42,575 | $4.95M | 0.03% | +6,887+19.3% | Added |
| LPL Financial LLC | 41,171 | $4.81M | 0.00% | +15,937+63.2% | Added |
| Thrivent Financial for Lutherans | 40,691 | $4.73M | 0.01% | +23,939+142.9% | Added |
| Royal Bank of Canada | 40,402 | $4.70M | 0.00% | +4,275+11.8% | Added |
| Stifel Financial Corp | 39,904 | $4.64M | 0.01% | −383−1.0% | Reduced |
| Two Sigma Investments, LP | 38,582 | $4.49M | 0.01% | +38,582 | New |
| Bank Julius Baer & Co. Ltd, Zurich | 38,408 | $4.47M | 0.03% | −5,750−13.0% | Reduced |
| State of New Jersey Common Pension Fund D | 36,979 | $4.30M | 0.01% | 00.0% | Unchanged |
| Citigroup Inc | 35,492 | $4.13M | 0.00% | −8,998−20.2% | Reduced |
| Great West Life Assurance Co | 34,482 | $4.12M | 0.01% | +2,402+7.5% | Added |
| Next Century Growth Investors LLC | 34,443 | $4.00M | 0.40% | −33,129−49.0% | Reduced |
| Public Employees Retirement System of Ohio | 34,335 | $3.99M | 0.01% | −1,143−3.2% | Reduced |
| Yousif Capital Management, LLC | 34,213 | $3.98M | 0.04% | +436+1.3% | Added |
| Kennedy Capital Management, Inc. | 31,378 | $3.65M | 0.09% | +374+1.2% | Added |
| State of Tennessee, Treasury Department | 30,000 | $3.49M | 0.01% | −20,000−40.0% | Reduced |
| Two Sigma Advisers, LP | 29,493 | $3.43M | 0.01% | +29,493 | New |
| Susquehanna International Group, LLP | 29,143 | $3.39M | 0.01% | −17,638−37.7% | Reduced |
| Comerica Bank | 29,022 | $3.38M | 0.02% | +340+1.2% | Added |
| PDT Partners, LLC | 26,756 | $3.11M | 0.27% | −1,464−5.2% | Reduced |
| Trexquant Investment LP | 26,225 | $3.05M | 0.14% | +7,177+37.7% | Added |
| Baird Financial Group, Inc. | 25,390 | $2.95M | 0.01% | +16,771+194.6% | Added |
| Granite Point Capital Management, L.P. | 25,366 | $2.95M | 1.49% | −6,342−20.0% | Reduced |
| HSBC Holdings PLC | 24,901 | $2.90M | 0.00% | +24,901 | New |
| Marshall Wace, LLP | 24,703 | $2.87M | 0.01% | −55,673−69.3% | Reduced |
| Spouting Rock Asset Management, LLC | 23,657 | $2.75M | 2.30% | −1,536−6.1% | Reduced |
| Capital International Inc | 23,588 | $2.74M | 0.03% | −24,273−50.7% | Reduced |
| HighMark Wealth Management LLC | 23,375 | $2.72M | 1.82% | 00.0% | Unchanged |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 23,284 | $2.71M | 0.03% | +2,220+10.5% | Added |
| AQR Capital Management LLC | 23,270 | $2.71M | 0.01% | +19,452+509.5% | Added |
| Treasurer of the State of North Carolina | 22,802 | $2.65M | 0.01% | +363+1.6% | Added |
| Renaissance Technologies LLC | 21,900 | $2.55M | 0.00% | −2,327−9.6% | Reduced |
| Beacon Investment Advisory Services, Inc. | 21,424 | $2.49M | 0.11% | +1,622+8.2% | Added |
| Apollon Wealth Management, LLC | 21,271 | $2.47M | 0.18% | +21,271 | New |
| Calamos Advisors LLC | 20,349 | $2.37M | 0.01% | +12,688+165.6% | Added |
| Oregon Public Employees Retirement Fund | 20,297 | $2.36M | 0.02% | −186−0.9% | Reduced |
| Raymond James Financial Services Advisors, Inc. | 20,212 | $2.35M | 0.00% | −10,480−34.1% | Reduced |
| Stanley-Laman Group, Ltd. | 19,457 | $2.26M | 0.31% | +2,433+14.3% | Added |
| Endurant Capital Management LP | 18,236 | $2.12M | 0.64% | +18,236 | New |
| Jane Street Group, LLC | 17,611 | $2.05M | 0.00% | +6,726+61.8% | Added |
| Allianz Asset Management GmbH | 17,377 | $2.02M | 0.00% | +17,377 | New |
| Arizona State Retirement System | 17,174 | $2.00M | 0.02% | +210+1.2% | Added |
| Envestnet Asset Management Inc | 17,061 | $1.98M | 0.00% | +3,574+26.5% | Added |
| Chartwell Investment Partners, LLC | 17,047 | $1.98M | 0.07% | +713+4.4% | Added |
| Ameritas Investment Partners, Inc. | 16,987 | $1.98M | 0.07% | 00.0% | Unchanged |
| Louisiana State Employees Retirement System | 16,600 | $1.94M | 0.05% | +300+1.8% | Added |
| Capital International Sarl | 16,373 | $1.90M | 0.09% | −2,842−14.8% | Reduced |
| Raymond James & Associates | 16,299 | $1.90M | 0.00% | −5,393−24.9% | Reduced |
| Prelude Capital Management, LLC | 16,237 | $1.89M | 0.09% | +12,392+322.3% | Added |
| State of Michigan Retirement System | 16,145 | $1.88M | 0.01% | +45+0.3% | Added |
| Davy Global Fund Management Ltd | 16,045 | $1.87M | 0.30% | +2,955+22.6% | Added |
| Polar Capital Holdings Plc | 15,173 | $1.76M | 0.01% | 00.0% | Unchanged |
| Ensign Peak Advisors, Inc | 14,980 | $1.74M | 0.00% | 00.0% | Unchanged |
| AlphaCrest Capital Management LLC | 14,151 | $1.65M | 0.09% | +7,030+98.7% | Added |
| Guggenheim Capital LLC | 13,989 | $1.63M | 0.01% | −9,350−40.1% | Reduced |
| Illinois Municipal Retirement Fund | 13,807 | $1.61M | 0.05% | 00.0% | Unchanged |
| Cetera Advisor Networks LLC | 13,418 | $1.56M | 0.02% | −685−4.9% | Reduced |
| Gotham Asset Management, LLC | 13,417 | $1.56M | 0.05% | +6,644+98.1% | Added |
| Winton Group Ltd | 13,277 | $1.54M | 0.08% | −1,536−10.4% | Reduced |
| Bridge City Capital, LLC | 13,171 | $1.53M | 0.72% | −64−0.5% | Reduced |
| Teacher Retirement System of Texas | 13,141 | $1.53M | 0.01% | +1,008+8.3% | Added |
| New Mexico Educational Retirement Board | 13,000 | $1.51M | 0.06% | 00.0% | Unchanged |
| Xponance, Inc. | 12,930 | $1.50M | 0.03% | −240−1.8% | Reduced |
| Advisor Group Holdings, Inc. | 13,944 | $1.47M | 0.00% | −15−0.1% | Reduced |
| Walleye Capital LLC | 12,545 | $1.46M | 0.04% | +6,566+109.8% | Added |
| M&G Investment Management Ltd | 12,155 | $1.41M | 0.00% | 00.0% | Unchanged |
| Strategic Wealth Partners, Ltd. | 11,508 | $1.34M | 0.26% | −674−5.5% | Reduced |
| Group One Trading, L.P. | 11,445 | $1.33M | 0.03% | +11,445 | New |
| B. Metzler seel. Sohn & Co. AG | 11,166 | $1.30M | 0.02% | +11,166 | New |
| State of Alaska, Department of Revenue | 11,023 | $1.28M | 0.01% | +1,823+19.8% | Added |
| Handelsbanken Fonder AB | 11,000 | $1.28M | 0.01% | 00.0% | Unchanged |
| Schonfeld Strategic Advisors LLC | 10,974 | $1.28M | 0.01% | −6,021−35.4% | Reduced |
| Harbor Capital Advisors, Inc. | 10,729 | $1.25M | 0.59% | −1,565−12.7% | Reduced |
| Russell Investments Group, Ltd. | 10,599 | $1.23M | 0.00% | +4,633+77.7% | Added |
| US Bancorp | 10,569 | $1.23M | 0.00% | +853+8.8% | Added |
| Northwestern Mutual Investment Management Company, LLC | 10,552 | $1.23M | 0.03% | +20+0.2% | Added |
| 1492 Capital Management LLC | 10,372 | $1.21M | 0.64% | −121−1.2% | Reduced |
| STRS Ohio | 10,244 | $1.19M | 0.00% | +1,847+22.0% | Added |