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 |
|---|---|---|---|---|---|
| Illinois Municipal Retirement Fund | 13,807 | $1.61M | 0.05% | 00.0% | Unchanged |
| Guggenheim Capital LLC | 13,989 | $1.63M | 0.01% | −9,350−40.1% | Reduced |
| AlphaCrest Capital Management LLC | 14,151 | $1.65M | 0.09% | +7,030+98.7% | Added |
| Ensign Peak Advisors, Inc | 14,980 | $1.74M | 0.00% | 00.0% | Unchanged |
| Polar Capital Holdings Plc | 15,173 | $1.76M | 0.01% | 00.0% | Unchanged |
| Davy Global Fund Management Ltd | 16,045 | $1.87M | 0.30% | +2,955+22.6% | Added |
| State of Michigan Retirement System | 16,145 | $1.88M | 0.01% | +45+0.3% | Added |
| Prelude Capital Management, LLC | 16,237 | $1.89M | 0.09% | +12,392+322.3% | Added |
| Raymond James & Associates | 16,299 | $1.90M | 0.00% | −5,393−24.9% | Reduced |
| Capital International Sarl | 16,373 | $1.90M | 0.09% | −2,842−14.8% | Reduced |
| Louisiana State Employees Retirement System | 16,600 | $1.94M | 0.05% | +300+1.8% | Added |
| Ameritas Investment Partners, Inc. | 16,987 | $1.98M | 0.07% | 00.0% | Unchanged |
| Chartwell Investment Partners, LLC | 17,047 | $1.98M | 0.07% | +713+4.4% | Added |
| Envestnet Asset Management Inc | 17,061 | $1.98M | 0.00% | +3,574+26.5% | Added |
| Arizona State Retirement System | 17,174 | $2.00M | 0.02% | +210+1.2% | Added |
| Allianz Asset Management GmbH | 17,377 | $2.02M | 0.00% | +17,377 | New |
| Jane Street Group, LLC | 17,611 | $2.05M | 0.00% | +6,726+61.8% | Added |
| Endurant Capital Management LP | 18,236 | $2.12M | 0.64% | +18,236 | New |
| Stanley-Laman Group, Ltd. | 19,457 | $2.26M | 0.31% | +2,433+14.3% | Added |
| Raymond James Financial Services Advisors, Inc. | 20,212 | $2.35M | 0.00% | −10,480−34.1% | Reduced |
| Oregon Public Employees Retirement Fund | 20,297 | $2.36M | 0.02% | −186−0.9% | Reduced |
| Calamos Advisors LLC | 20,349 | $2.37M | 0.01% | +12,688+165.6% | Added |
| Apollon Wealth Management, LLC | 21,271 | $2.47M | 0.18% | +21,271 | New |
| Beacon Investment Advisory Services, Inc. | 21,424 | $2.49M | 0.11% | +1,622+8.2% | Added |
| Renaissance Technologies LLC | 21,900 | $2.55M | 0.00% | −2,327−9.6% | Reduced |
| Treasurer of the State of North Carolina | 22,802 | $2.65M | 0.01% | +363+1.6% | Added |
| AQR Capital Management LLC | 23,270 | $2.71M | 0.01% | +19,452+509.5% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 23,284 | $2.71M | 0.03% | +2,220+10.5% | Added |
| HighMark Wealth Management LLC | 23,375 | $2.72M | 1.82% | 00.0% | Unchanged |
| Capital International Inc | 23,588 | $2.74M | 0.03% | −24,273−50.7% | Reduced |
| Spouting Rock Asset Management, LLC | 23,657 | $2.75M | 2.30% | −1,536−6.1% | Reduced |
| Marshall Wace, LLP | 24,703 | $2.87M | 0.01% | −55,673−69.3% | Reduced |
| HSBC Holdings PLC | 24,901 | $2.90M | 0.00% | +24,901 | New |
| Granite Point Capital Management, L.P. | 25,366 | $2.95M | 1.49% | −6,342−20.0% | Reduced |
| Baird Financial Group, Inc. | 25,390 | $2.95M | 0.01% | +16,771+194.6% | Added |
| Trexquant Investment LP | 26,225 | $3.05M | 0.14% | +7,177+37.7% | Added |
| PDT Partners, LLC | 26,756 | $3.11M | 0.27% | −1,464−5.2% | Reduced |
| Comerica Bank | 29,022 | $3.38M | 0.02% | +340+1.2% | Added |
| Susquehanna International Group, LLP | 29,143 | $3.39M | 0.01% | −17,638−37.7% | Reduced |
| Two Sigma Advisers, LP | 29,493 | $3.43M | 0.01% | +29,493 | New |
| State of Tennessee, Treasury Department | 30,000 | $3.49M | 0.01% | −20,000−40.0% | Reduced |
| Kennedy Capital Management, Inc. | 31,378 | $3.65M | 0.09% | +374+1.2% | Added |
| Yousif Capital Management, LLC | 34,213 | $3.98M | 0.04% | +436+1.3% | Added |
| Public Employees Retirement System of Ohio | 34,335 | $3.99M | 0.01% | −1,143−3.2% | Reduced |
| Next Century Growth Investors LLC | 34,443 | $4.00M | 0.40% | −33,129−49.0% | Reduced |
| Great West Life Assurance Co | 34,482 | $4.12M | 0.01% | +2,402+7.5% | Added |
| Citigroup Inc | 35,492 | $4.13M | 0.00% | −8,998−20.2% | Reduced |
| State of New Jersey Common Pension Fund D | 36,979 | $4.30M | 0.01% | 00.0% | Unchanged |
| Bank Julius Baer & Co. Ltd, Zurich | 38,408 | $4.47M | 0.03% | −5,750−13.0% | Reduced |
| Two Sigma Investments, LP | 38,582 | $4.49M | 0.01% | +38,582 | New |
| Stifel Financial Corp | 39,904 | $4.64M | 0.01% | −383−1.0% | Reduced |
| Royal Bank of Canada | 40,402 | $4.70M | 0.00% | +4,275+11.8% | Added |
| Thrivent Financial for Lutherans | 40,691 | $4.73M | 0.01% | +23,939+142.9% | Added |
| LPL Financial LLC | 41,171 | $4.81M | 0.00% | +15,937+63.2% | Added |
| Candriam Luxembourg S.C.A. | 42,575 | $4.95M | 0.03% | +6,887+19.3% | Added |
| First Republic Investment Management, Inc. | 43,546 | $5.06M | 0.01% | +527+1.2% | Added |
| MetLife Investment Management | 43,658 | $5.08M | 0.03% | +12,869+41.8% | Added |
| Texas Permanent School Fund | 45,042 | $5.24M | 0.07% | −765−1.7% | Reduced |
| Amalgamated Bank | 46,865 | $5.45M | 0.04% | −142−0.3% | Reduced |
| Amalgamated Financial Corp. | 46,865 | $5.45M | 0.04% | +46,865 | New |
| SG Americas Securities, LLC | 47,727 | $5.55M | 0.05% | +22,183+86.8% | Added |
| Algert Global LLC | 47,731 | $5.55M | 0.36% | +13,412+39.1% | Added |
| BNP Paribas Arbitrage, SA | 48,491 | $5.64M | 0.01% | −21,835−31.0% | Reduced |
| Formula Growth Ltd | 48,753 | $5.67M | 1.08% | −3,676−7.0% | Reduced |
| Qube Research & Technologies Ltd | 49,269 | $5.73M | 0.05% | +49,269 | New |
| Capital International Ltd | 49,669 | $5.78M | 0.33% | +371+0.8% | Added |
| Altium Capital Management LP | 50,000 | $5.82M | 2.03% | +50,000 | New |
| Capital Fund Management S.A. | 50,054 | $5.82M | 0.16% | −608−1.2% | Reduced |
| Manufacturers Life Insurance Company, The | 53,579 | $6.23M | 0.00% | −18,131−25.3% | Reduced |
| New York State Teachers Retirement System | 55,585 | $6.46M | 0.01% | +2,314+4.3% | Added |
| Cinctive Capital Management LP | 57,126 | $6.64M | 0.30% | −10,615−15.7% | Reduced |
| Healthcare of Ontario Pension Plan Trust Fund | 61,017 | $7.10M | 0.03% | +32,017+110.4% | Added |
| Deutsche Bank AG | 61,606 | $7.16M | 0.00% | −41,073−40.0% | Reduced |
| ExodusPoint Capital Management, LP | 62,967 | $7.32M | 0.11% | +22,659+56.2% | Added |
| Bank of Nova Scotia | 65,497 | $7.62M | 0.01% | +65,497 | New |
| Frontier Capital Management Co LLC | 66,546 | $7.74M | 0.07% | −242−0.4% | Reduced |
| Wells Fargo & Company | 71,853 | $8.36M | 0.00% | −16,114−18.3% | Reduced |
| State Board of Administration of Florida Retirement System | 73,193 | $8.51M | 0.02% | −948−1.3% | Reduced |
| KBC Group NV | 74,147 | $8.62M | 0.03% | −15,705−17.5% | Reduced |
| Castleark Management LLC | 78,180 | $9.09M | 0.39% | +4,380+5.9% | Added |
| Sectoral Asset Management Inc | 79,588 | $9.26M | 1.64% | +63,813+404.5% | Added |
| Susquehanna Fundamental Investments, LLC | 79,778 | $9.28M | 0.18% | +22,472+39.2% | Added |
| California State Teachers Retirement System | 80,805 | $9.40M | 0.01% | −6,474−7.4% | Reduced |
| Osterweis Capital Management Inc | 81,840 | $9.52M | 0.52% | −19,840−19.5% | Reduced |
| Retirement Systems of Alabama | 83,362 | $9.69M | 0.04% | +167+0.2% | Added |
| Atika Capital Management LLC | 84,000 | $9.77M | 0.93% | +84,000 | New |
| State of Wisconsin Investment Board | 86,024 | $10.0M | 0.02% | +21,786+33.9% | Added |
| Parametric Portfolio Associates LLC | 88,132 | $10.2M | 0.01% | −22,271−20.2% | Reduced |
| British Columbia Investment Management Corp | 90,000 | $10.5M | 0.07% | +13,200+17.2% | Added |
| Mutual of America Capital Management LLC | 91,455 | $10.6M | 0.11% | +14,439+18.7% | Added |
| Silvercrest Asset Management Group LLC | 91,768 | $10.7M | 0.07% | +1,093+1.2% | Added |
| Alliancebernstein L.P. | 92,065 | $10.7M | 0.00% | −6,165−6.3% | Reduced |
| Bridgewater Associates, LP | 92,250 | $10.7M | 0.04% | +22,390+32.0% | Added |
| Cubist Systematic Strategies, LLC | 95,277 | $11.1M | 0.09% | +14,754+18.3% | Added |
| UBS Asset Management Americas Inc | 96,316 | $11.2M | 0.00% | +6,418+7.1% | Added |
| Legal & General Group Plc | 97,499 | $11.3M | 0.00% | +1,389+1.4% | Added |
| Skandinaviska Enskilda Banken AB (publ) | 97,599 | $11.3M | 0.07% | +794+0.8% | Added |
| Schroder Investment Management Group | 101,268 | $11.8M | 0.02% | +41,015+68.1% | Added |
| Balyasny Asset Management LLC | 102,891 | $12.0M | 0.05% | −68,587−40.0% | Reduced |
| Squarepoint Ops LLC | 103,168 | $12.0M | 0.09% | −8,195−7.4% | Reduced |