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 |
|---|---|---|---|---|---|
| Arizona State Retirement System | 18,147 | $445.3K | 0.00% | −483−2.6% | Reduced |
| Tower Research Capital LLC (TRC) | 18,515 | $454.4K | 0.02% | +18,437+23,637.2% | Added |
| Raymond James Financial Services Advisors, Inc. | 19,146 | $469.8K | 0.00% | −7,134−27.1% | Reduced |
| Janney Montgomery Scott LLC | 19,173 | $471.0K | 0.00% | +4,526+30.9% | Added |
| Virginia Retirement Systems Et Al | 19,200 | $471.2K | 0.00% | +8,600+81.1% | Added |
| Divisadero Street Capital Management, LP | 20,000 | $490.8K | 0.15% | 00.0% | Unchanged |
| Oregon Public Employees Retirement Fund | 20,100 | $493.3K | 0.01% | −600−2.9% | Reduced |
| Davy Global Fund Management Ltd | 20,180 | $495.2K | 0.09% | +915+4.7% | Added |
| Shell Asset Management Co | 20,194 | $496.0K | 0.02% | −115−0.6% | Reduced |
| SEI Investments Co | 20,646 | $506.7K | 0.00% | −62,319−75.1% | Reduced |
| Teachers Retirement System of the State of Kentucky | 21,290 | $523.0K | 0.01% | +6,078+40.0% | Added |
| HSBC Holdings PLC | 20,955 | $524.9K | 0.00% | +20,955 | New |
| Ensign Peak Advisors, Inc | 22,620 | $555.1K | 0.00% | 00.0% | Unchanged |
| Capital International Inc | 23,628 | $579.8K | 0.01% | 00.0% | Unchanged |
| Formula Growth Ltd | 23,746 | $582.7K | 0.19% | 00.0% | Unchanged |
| HighMark Wealth Management LLC | 24,300 | $596.3K | 0.45% | +925+4.0% | Added |
| Oak Thistle LLC | 24,643 | $604.7K | 0.32% | +16,492+202.3% | Added |
| LPL Financial LLC | 24,987 | $613.2K | 0.00% | +3,695+17.4% | Added |
| BNP Paribas Arbitrage, SA | 27,067 | $664.2K | 0.00% | −36,255−57.3% | Reduced |
| Voya Investment Management LLC | 27,788 | $681.9K | 0.00% | −31,466−53.1% | Reduced |
| Treasurer of the State of North Carolina | 28,153 | $691.0K | 0.00% | +260+0.9% | Added |
| Public Employees Retirement System of Ohio | 29,149 | $715.0K | 0.00% | −2,574−8.1% | Reduced |
| Amalgamated Bank | 29,903 | $734.0K | 0.01% | −3,811−11.3% | Reduced |
| Maryland State Retirement & Pension System | 29,977 | $735.6K | 0.02% | −717−2.3% | Reduced |
| Price T Rowe Associates Inc | 32,029 | $786.0K | 0.00% | −259,162−89.0% | Reduced |
| Citigroup Inc | 32,492 | $797.4K | 0.00% | +2,480+8.3% | Added |
| Spouting Rock Asset Management, LLC | 32,501 | $797.6K | 0.29% | +269+0.8% | Added |
| Harbor Capital Advisors, Inc. | 32,921 | $807.9K | 0.16% | +32,921 | New |
| Algert Global LLC | 33,373 | $819.0K | 0.04% | −59,253−64.0% | Reduced |
| Louisiana State Employees Retirement System | 33,900 | $831.9K | 0.02% | +3,900+13.0% | Added |
| Yousif Capital Management, LLC | 34,688 | $851.2K | 0.01% | −1,595−4.4% | Reduced |
| Voss Capital, LLC | 35,000 | $858.9K | 0.10% | +35,000 | New |
| Candriam Luxembourg S.C.A. | 36,587 | $897.8K | 0.01% | 00.0% | Unchanged |
| Raymond James & Associates | 39,527 | $970.0K | 0.00% | +3,338+9.2% | Added |
| Jane Street Group, LLC | 40,668 | $998.0K | 0.00% | +4,054+11.1% | Added |
| Ontario Teachers Pension Plan Board | 40,742 | $999.8K | 0.01% | +31,504+341.0% | Added |
| Macquarie Group Ltd | 41,834 | $1.03M | 0.00% | +6,390+18.0% | Added |
| XTX Topco Ltd | 42,039 | $1.03M | 0.18% | +42,039 | New |
| State of Alaska, Department of Revenue | 42,520 | $1.04M | 0.01% | −1,521−3.5% | Reduced |
| Schonfeld Strategic Advisors LLC | 42,514 | $1.04M | 0.01% | +23,012+118.0% | Added |
| Beacon Investment Advisory Services, Inc. | 42,740 | $1.05M | 0.05% | +17,326+68.2% | Added |
| State of Tennessee, Treasury Department | 43,624 | $1.07M | 0.00% | −25,082−36.5% | Reduced |
| Royal Bank of Canada | 44,039 | $1.08M | 0.00% | +2,471+5.9% | Added |
| Capital International Sarl | 48,270 | $1.18M | 0.05% | +478+1.0% | Added |
| Twinbeech Capital LP | 48,469 | $1.19M | 0.02% | +48,469 | New |
| Seven Eight Capital, LP | 51,861 | $1.27M | 0.21% | +51,861 | New |
| Texas Permanent School Fund | 56,740 | $1.39M | 0.01% | −789−1.4% | Reduced |
| Capital International Ltd | 58,037 | $1.42M | 0.08% | 00.0% | Unchanged |
| Deutsche Bank AG | 60,699 | $1.49M | 0.00% | +22,870+60.5% | Added |
| Thrivent Financial for Lutherans | 61,819 | $1.52M | 0.00% | −1,902−3.0% | Reduced |
| State Board of Administration of Florida Retirement System | 65,377 | $1.60M | 0.00% | −2,802−4.1% | Reduced |
| Barclays PLC | 66,115 | $1.62M | 0.00% | −34,657−34.4% | Reduced |
| KBC Group NV | 67,374 | $1.65M | 0.01% | −551−0.8% | Reduced |
| Quantbot Technologies LP | 67,608 | $1.66M | 0.11% | −3,776−5.3% | Reduced |
| Nomura Holdings Inc | 69,083 | $1.70M | 0.02% | −84,437−55.0% | Reduced |
| Bridgewater Associates, LP | 69,549 | $1.71M | 0.01% | −9,435−11.9% | Reduced |
| New York State Teachers Retirement System | 70,000 | $1.72M | 0.00% | −3,624−4.9% | Reduced |
| Wells Fargo & Company | 70,893 | $1.74M | 0.00% | +16,297+29.9% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 73,047 | $1.79M | 0.01% | +4,966+7.3% | Added |
| Amundi | 73,446 | $1.81M | 0.00% | −107,875−59.5% | Reduced |
| Prudential Financial Inc | 77,184 | $1.89M | 0.00% | +17,509+29.3% | Added |
| California State Teachers Retirement System | 78,471 | $1.93M | 0.00% | −1,899−2.4% | Reduced |
| Great West Life Assurance Co | 78,717 | $1.93M | 0.00% | −942−1.2% | Reduced |
| Invenomic Capital Management LP | 82,171 | $2.02M | 0.11% | +82,171 | New |
| Goldman Sachs Group Inc | 83,832 | $2.06M | 0.00% | −62,646−42.8% | Reduced |
| HRT Financial LP | 84,677 | $2.08M | 0.02% | +84,677 | New |
| Bank of America Corp | 85,135 | $2.09M | 0.00% | −170,300−66.7% | Reduced |
| State of Wisconsin Investment Board | 87,596 | $2.15M | 0.01% | −3,792−4.1% | Reduced |
| Credit Suisse AG | 88,162 | $2.16M | 0.00% | +6,653+8.2% | Added |
| Granahan Investment Management Inc | 88,800 | $2.18M | 0.07% | +88,800 | New |
| California Public Employees Retirement System | 91,206 | $2.24M | 0.00% | 00.0% | Unchanged |
| State of New Jersey Common Pension Fund D | 92,183 | $2.26M | 0.01% | +33,288+56.5% | Added |
| 1492 Capital Management LLC | 95,074 | $2.33M | 1.36% | −81−0.1% | Reduced |
| Victory Capital Management Inc | 97,610 | $2.40M | 0.00% | +6,407+7.0% | Added |
| Russell Investments Group, Ltd. | 101,419 | $2.49M | 0.00% | +50,721+100.0% | Added |
| DAFNA Capital Management LLC | 110,000 | $2.70M | 0.74% | +110,000 | New |
| Chicago Capital, LLC | 113,074 | $2.77M | 0.13% | −189,916−62.7% | Reduced |
| Weiss Multi-Strategy Advisers LLC | 113,882 | $2.79M | 0.06% | +17,929+18.7% | Added |
| Public Sector Pension Investment Board | 114,705 | $2.81M | 0.02% | +1,617+1.4% | Added |
| Skandinaviska Enskilda Banken AB (publ) | 118,221 | $2.90M | 0.02% | −4,173−3.4% | Reduced |
| UBS Group AG | 130,597 | $3.20M | 0.00% | +62,205+91.0% | Added |
| ExodusPoint Capital Management, LP | 135,362 | $3.32M | 0.04% | +12,279+10.0% | Added |
| Swiss National Bank | 140,600 | $3.45M | 0.00% | +1,900+1.4% | Added |
| Kennedy Capital Management, Inc. | 140,704 | $3.45M | 0.08% | +81,146+136.2% | Added |
| Capital Fund Management S.A. | 140,945 | $3.46M | 0.05% | −64,749−31.5% | Reduced |
| Gotham Asset Management, LLC | 144,212 | $3.54M | 0.08% | +79,646+123.4% | Added |
| Frontier Capital Management Co LLC | 147,293 | $3.61M | 0.03% | −1,512−1.0% | Reduced |
| UBS Asset Management Americas Inc | 91,953 | $3.73M | 0.00% | 00.0% | Unchanged |
| Jump Financial, LLC | 163,170 | $4.00M | 0.15% | +19,021+13.2% | Added |
| Mirae Asset Global Investments Co., Ltd. | 163,812 | $4.04M | 0.01% | +15,444+10.4% | Added |
| Squarepoint Ops LLC | 169,880 | $4.17M | 0.02% | +169,880 | New |
| Citadel Advisors LLC | 171,125 | $4.20M | 0.00% | −8,930−5.0% | Reduced |
| Alliancebernstein L.P. | 173,784 | $4.26M | 0.00% | +130,671+303.1% | Added |
| Rhumbline Advisers | 175,386 | $4.30M | 0.00% | −2,227−1.3% | Reduced |
| Essex Investment Management Co LLC | 175,688 | $4.31M | 0.60% | −12,025−6.4% | Reduced |
| Legal & General Group Plc | 183,326 | $4.50M | 0.00% | −8,079−4.2% | Reduced |
| Nuveen Asset Management, LLC | 185,449 | $4.55M | 0.00% | −297,892−61.6% | Reduced |
| Alberta Investment Management Corp | 189,249 | $4.64M | 0.04% | +189,249 | New |
| Peregrine Capital Management LLC | 190,458 | $4.67M | 0.13% | −580.0% | Reduced |
| Silvercrest Asset Management Group LLC | 191,699 | $4.70M | 0.03% | +28,095+17.2% | Added |