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 |
|---|---|---|---|---|---|
| BlackRock Inc. | 8,970,227 | $220.1M | 0.01% | −237,333−2.6% | Reduced |
| Vanguard Group Inc | 7,012,903 | $172.1M | 0.00% | −34,574−0.5% | Reduced |
| Capital World Investors | 6,486,027 | $159.2M | 0.03% | +529,497+8.9% | Added |
| FMR LLC | 4,560,305 | $111.9M | 0.01% | −3,679,425−44.7% | Reduced |
| Eminence Capital, LP | 3,117,559 | $76.5M | 1.37% | +647,902+26.2% | Added |
| State Street Corp | 2,257,428 | $55.4M | 0.00% | +190,499+9.2% | Added |
| Bellevue Group AG | 2,092,934 | $51.4M | 0.73% | +299,171+16.7% | Added |
| Janus Henderson Group PLC | 2,084,399 | $51.2M | 0.03% | +790,155+61.1% | Added |
| Champlain Investment Partners, LLC | 1,618,720 | $39.7M | 0.24% | −1,654,393−50.5% | Reduced |
| Brown Capital Management LLC | 1,591,729 | $39.1M | 0.55% | −579,044−26.7% | Reduced |
| Capital International Investors | 1,235,244 | $30.3M | 0.01% | −24,723−2.0% | Reduced |
| Paradice Investment Management LLC | 1,226,815 | $30.1M | 2.24% | +1,226,815 | New |
| Two Sigma Advisers, LP | 1,213,483 | $29.8M | 0.08% | +190,090+18.6% | Added |
| Two Sigma Investments, LP | 1,207,805 | $29.6M | 0.08% | +285,322+30.9% | Added |
| Millennium Management LLC | 1,047,385 | $25.7M | 0.03% | +752,481+255.2% | Added |
| Stephens Investment Management Group LLC | 1,010,581 | $24.8M | 0.39% | −19,416−1.9% | Reduced |
| Geode Capital Management, LLC | 973,352 | $23.9M | 0.00% | +36,675+3.9% | Added |
| Voloridge Investment Management, LLC | 877,031 | $21.5M | 0.10% | +392,407+81.0% | Added |
| Jacobs Levy Equity Management, Inc | 790,855 | $19.4M | 0.11% | +497,578+169.7% | Added |
| Marshall Wace, LLP | 657,161 | $16.1M | 0.03% | +657,161 | New |
| D. E. Shaw & Co., Inc. | 602,060 | $14.8M | 0.02% | +356,493+145.2% | Added |
| First Light Asset Management, LLC | 600,767 | $14.7M | 1.16% | +11,582+2.0% | Added |
| Norges Bank | 567,378 | $13.9M | 0.00% | +9,466+1.7% | Added |
| Bank of New York Mellon Corp | 515,545 | $12.7M | 0.00% | −75,035−12.7% | Reduced |
| Octagon Capital Advisors LP | 474,929 | $11.7M | 1.63% | 00.0% | Unchanged |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 427,025 | $10.5M | 0.03% | −27,525−6.1% | Reduced |
| Morgan Stanley | 403,287 | $9.90M | 0.00% | −528,485−56.7% | Reduced |
| Cubist Systematic Strategies, LLC | 381,162 | $9.35M | 0.10% | +219,373+135.6% | Added |
| Principal Financial Group Inc | 373,901 | $9.18M | 0.01% | −13,712−3.5% | Reduced |
| Northern Trust Corp | 368,877 | $9.05M | 0.00% | +4,739+1.3% | Added |
| Charles Schwab Investment Management Inc | 350,425 | $8.60M | 0.00% | +1,978+0.6% | Added |
| New York State Common Retirement Fund | 335,025 | $8.22M | 0.01% | −63,840−16.0% | Reduced |
| Eagle Health Investments LP | 320,325 | $7.86M | 1.47% | −105,200−24.7% | Reduced |
| Jennison Associates LLC | 318,427 | $7.81M | 0.01% | +318,427 | New |
| Susquehanna International Group, LLP | 309,835 | $7.60M | 0.01% | +122,513+65.4% | Added |
| Invesco Ltd. | 296,342 | $7.27M | 0.00% | −1,598−0.5% | Reduced |
| Dimensional Fund Advisors LP | 294,512 | $7.23M | 0.00% | +49,929+20.4% | Added |
| Ameriprise Financial Inc | 284,951 | $6.99M | 0.00% | −2,536−0.9% | Reduced |
| Baillie Gifford & Co | 262,756 | $6.45M | 0.01% | −187−0.1% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 259,083 | $6.36M | 0.03% | +11,815+4.8% | Added |
| AXA S.A. | 241,740 | $5.93M | 0.02% | 00.0% | Unchanged |
| Fred Alger Management, LLC | 215,640 | $5.29M | 0.03% | −8,768−3.9% | Reduced |
| Walleye Capital LLC | 215,299 | $5.28M | 0.09% | +161,961+303.7% | Added |
| Coronation Fund Managers Ltd. | 207,846 | $5.10M | 0.14% | +57,501+38.2% | Added |
| Tudor Investment Corp Et Al | 207,090 | $5.08M | 0.08% | +136,914+195.1% | Added |
| JPMorgan Chase & Co | 200,651 | $4.92M | 0.00% | +56,565+39.3% | Added |
| Man Group plc | 191,923 | $4.71M | 0.01% | – | – |
| Silvercrest Asset Management Group LLC | 191,699 | $4.70M | 0.03% | +28,095+17.2% | Added |
| Peregrine Capital Management LLC | 190,458 | $4.67M | 0.13% | −580.0% | Reduced |
| Alberta Investment Management Corp | 189,249 | $4.64M | 0.04% | +189,249 | New |
| Nuveen Asset Management, LLC | 185,449 | $4.55M | 0.00% | −297,892−61.6% | Reduced |
| Legal & General Group Plc | 183,326 | $4.50M | 0.00% | −8,079−4.2% | Reduced |
| Essex Investment Management Co LLC | 175,688 | $4.31M | 0.60% | −12,025−6.4% | Reduced |
| Rhumbline Advisers | 175,386 | $4.30M | 0.00% | −2,227−1.3% | Reduced |
| Alliancebernstein L.P. | 173,784 | $4.26M | 0.00% | +130,671+303.1% | Added |
| Citadel Advisors LLC | 171,125 | $4.20M | 0.00% | −8,930−5.0% | Reduced |
| Squarepoint Ops LLC | 169,880 | $4.17M | 0.02% | +169,880 | New |
| Mirae Asset Global Investments Co., Ltd. | 163,812 | $4.04M | 0.01% | +15,444+10.4% | Added |
| Jump Financial, LLC | 163,170 | $4.00M | 0.15% | +19,021+13.2% | Added |
| UBS Asset Management Americas Inc | 91,953 | $3.73M | 0.00% | 00.0% | Unchanged |
| Frontier Capital Management Co LLC | 147,293 | $3.61M | 0.03% | −1,512−1.0% | Reduced |
| Gotham Asset Management, LLC | 144,212 | $3.54M | 0.08% | +79,646+123.4% | Added |
| Capital Fund Management S.A. | 140,945 | $3.46M | 0.05% | −64,749−31.5% | Reduced |
| Kennedy Capital Management, Inc. | 140,704 | $3.45M | 0.08% | +81,146+136.2% | Added |
| Swiss National Bank | 140,600 | $3.45M | 0.00% | +1,900+1.4% | Added |
| ExodusPoint Capital Management, LP | 135,362 | $3.32M | 0.04% | +12,279+10.0% | Added |
| UBS Group AG | 130,597 | $3.20M | 0.00% | +62,205+91.0% | Added |
| Skandinaviska Enskilda Banken AB (publ) | 118,221 | $2.90M | 0.02% | −4,173−3.4% | Reduced |
| Public Sector Pension Investment Board | 114,705 | $2.81M | 0.02% | +1,617+1.4% | Added |
| Weiss Multi-Strategy Advisers LLC | 113,882 | $2.79M | 0.06% | +17,929+18.7% | Added |
| Chicago Capital, LLC | 113,074 | $2.77M | 0.13% | −189,916−62.7% | Reduced |
| DAFNA Capital Management LLC | 110,000 | $2.70M | 0.74% | +110,000 | New |
| Russell Investments Group, Ltd. | 101,419 | $2.49M | 0.00% | +50,721+100.0% | Added |
| Victory Capital Management Inc | 97,610 | $2.40M | 0.00% | +6,407+7.0% | Added |
| 1492 Capital Management LLC | 95,074 | $2.33M | 1.36% | −81−0.1% | Reduced |
| State of New Jersey Common Pension Fund D | 92,183 | $2.26M | 0.01% | +33,288+56.5% | Added |
| California Public Employees Retirement System | 91,206 | $2.24M | 0.00% | 00.0% | Unchanged |
| Granahan Investment Management Inc | 88,800 | $2.18M | 0.07% | +88,800 | New |
| Credit Suisse AG | 88,162 | $2.16M | 0.00% | +6,653+8.2% | Added |
| State of Wisconsin Investment Board | 87,596 | $2.15M | 0.01% | −3,792−4.1% | Reduced |
| Bank of America Corp | 85,135 | $2.09M | 0.00% | −170,300−66.7% | Reduced |
| HRT Financial LP | 84,677 | $2.08M | 0.02% | +84,677 | New |
| Goldman Sachs Group Inc | 83,832 | $2.06M | 0.00% | −62,646−42.8% | Reduced |
| Invenomic Capital Management LP | 82,171 | $2.02M | 0.11% | +82,171 | New |
| Great West Life Assurance Co | 78,717 | $1.93M | 0.00% | −942−1.2% | Reduced |
| California State Teachers Retirement System | 78,471 | $1.93M | 0.00% | −1,899−2.4% | Reduced |
| Prudential Financial Inc | 77,184 | $1.89M | 0.00% | +17,509+29.3% | Added |
| Amundi | 73,446 | $1.81M | 0.00% | −107,875−59.5% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 73,047 | $1.79M | 0.01% | +4,966+7.3% | Added |
| Wells Fargo & Company | 70,893 | $1.74M | 0.00% | +16,297+29.9% | Added |
| New York State Teachers Retirement System | 70,000 | $1.72M | 0.00% | −3,624−4.9% | Reduced |
| Bridgewater Associates, LP | 69,549 | $1.71M | 0.01% | −9,435−11.9% | Reduced |
| Nomura Holdings Inc | 69,083 | $1.70M | 0.02% | −84,437−55.0% | Reduced |
| Quantbot Technologies LP | 67,608 | $1.66M | 0.11% | −3,776−5.3% | Reduced |
| KBC Group NV | 67,374 | $1.65M | 0.01% | −551−0.8% | Reduced |
| Barclays PLC | 66,115 | $1.62M | 0.00% | −34,657−34.4% | Reduced |
| State Board of Administration of Florida Retirement System | 65,377 | $1.60M | 0.00% | −2,802−4.1% | Reduced |
| Thrivent Financial for Lutherans | 61,819 | $1.52M | 0.00% | −1,902−3.0% | Reduced |
| Deutsche Bank AG | 60,699 | $1.49M | 0.00% | +22,870+60.5% | Added |
| Capital International Ltd | 58,037 | $1.42M | 0.08% | 00.0% | Unchanged |