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, Q3 2022
Institutional positions in Tandem Diabetes Care Inc as of Sep 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
- 299
- −31 vs. Q2 2022
- Shares held
- 62.7M
- +1.30M (+2.1%) vs. Q2 2022
- Total value
- $3.00B
- −$637.5M (−17.5%) vs. Q2 2022
- New holders
- 39
- 104 more added
- Sold out
- 70
- 120 more reduced
1 institution that held it in Q2 2022 haven't filed for Q3 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2022
Shares, value and share of portfolio for each institution holding Tandem Diabetes Care Inc; share changes are against Q2 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Susquehanna International Group, LLP | 58,579 | $2.80M | 0.01% | +58,579 | New |
| Algert Global LLC | 61,181 | $2.93M | 0.18% | +2,189+3.7% | Added |
| KBC Group NV | 61,500 | $2.94M | 0.02% | 00.0% | Unchanged |
| Thrivent Financial for Lutherans | 62,143 | $2.97M | 0.01% | +14,977+31.8% | Added |
| New York State Teachers Retirement System | 64,920 | $3.11M | 0.01% | +5,600+9.4% | Added |
| UBS Group AG | 64,948 | $3.11M | 0.00% | −47,563−42.3% | Reduced |
| Victory Capital Management Inc | 65,480 | $3.13M | 0.00% | −37,445−36.4% | Reduced |
| Credit Suisse AG | 66,974 | $3.21M | 0.00% | +1,607+2.5% | Added |
| Renaissance Technologies LLC | 67,400 | $3.23M | 0.00% | −85,827−56.0% | Reduced |
| State Board of Administration of Florida Retirement System | 70,109 | $3.35M | 0.01% | 00.0% | Unchanged |
| Deutsche Bank AG | 72,337 | $3.46M | 0.00% | −13,928−16.1% | Reduced |
| Millennium Management LLC | 73,083 | $3.50M | 0.00% | −20,298−21.7% | Reduced |
| Pura Vida Investments, LLC | 75,000 | $3.59M | 0.54% | +75,000 | New |
| California State Teachers Retirement System | 80,388 | $3.85M | 0.01% | −1,465−1.8% | Reduced |
| Voloridge Investment Management, LLC | 81,759 | $3.91M | 0.02% | +20,506+33.5% | Added |
| UBS Asset Management Americas Inc | 82,458 | $3.95M | 0.00% | −11,675−12.4% | Reduced |
| Point72 Asset Management, L.P. | 82,738 | $3.96M | 0.02% | +82,738 | New |
| Retirement Systems of Alabama | 84,077 | $4.02M | 0.02% | −183−0.2% | Reduced |
| Alliancebernstein L.P. | 92,479 | $4.42M | 0.00% | −1,261,665−93.2% | Reduced |
| State of Wisconsin Investment Board | 93,355 | $4.47M | 0.01% | −4,128−4.2% | Reduced |
| Legal & General Group Plc | 97,038 | $4.64M | 0.00% | −779−0.8% | Reduced |
| Osterweis Capital Management Inc | 97,790 | $4.68M | 0.35% | −31,910−24.6% | Reduced |
| Barclays PLC | 101,640 | $4.86M | 0.01% | −9,967−8.9% | Reduced |
| American International Group, Inc. | 101,649 | $4.86M | 0.04% | −4,335−4.1% | Reduced |
| Bridgewater Associates, LP | 101,743 | $4.87M | 0.02% | +249+0.2% | Added |
| Mirae Asset Global Investments Co., Ltd. | 105,845 | $5.10M | 0.01% | −3,684−3.4% | Reduced |
| SEI Investments Co | 109,620 | $5.25M | 0.01% | −6,180−5.3% | Reduced |
| Frontier Capital Management Co LLC | 114,501 | $5.48M | 0.06% | +49,812+77.0% | Added |
| Polar Asset Management Partners Inc. | 117,200 | $5.61M | 0.07% | +117,200 | New |
| Voya Investment Management LLC | 122,352 | $5.85M | 0.01% | −399,379−76.5% | Reduced |
| Skandinaviska Enskilda Banken AB (publ) | 122,657 | $5.87M | 0.05% | 00.0% | Unchanged |
| Bank of America Corp | 128,498 | $6.15M | 0.00% | −95,317−42.6% | Reduced |
| Pictet Asset Management SA | 128,590 | $6.15M | 0.01% | −204,474−61.4% | Reduced |
| Silvercrest Asset Management Group LLC | 142,837 | $6.83M | 0.06% | +55,784+64.1% | Added |
| Amundi | 133,575 | $6.97M | 0.00% | −8,645−6.1% | Reduced |
| California Public Employees Retirement System | 145,823 | $6.98M | 0.01% | +20,651+16.5% | Added |
| Swiss National Bank | 151,700 | $7.26M | 0.01% | +1,500+1.0% | Added |
| Lombard Odier Asset Management (Switzerland) SA | 152,631 | $7.30M | 0.62% | −34,046−18.2% | Reduced |
| WCM Investment Management, LLC | 152,851 | $7.60M | 0.03% | +10,567+7.4% | Added |
| JPMorgan Chase & Co | 161,003 | $7.70M | 0.00% | +15,779+10.9% | Added |
| Kennedy Capital Management, Inc. | 161,649 | $7.74M | 0.23% | +128,706+390.7% | Added |
| Fred Alger Management, LLC | 179,673 | $8.60M | 0.04% | +34,583+23.8% | Added |
| Rhumbline Advisers | 181,239 | $8.67M | 0.01% | +4,345+2.5% | Added |
| Cubist Systematic Strategies, LLC | 185,078 | $8.86M | 0.07% | −151,392−45.0% | Reduced |
| Nomura Holdings Inc | 190,200 | $9.10M | 0.09% | −11,727−5.8% | Reduced |
| Peregrine Capital Management LLC | 190,491 | $9.12M | 0.30% | +190,491 | New |
| Eagle Health Investments LP | 196,400 | $9.40M | 2.16% | +196,400 | New |
| Capital Fund Management S.A. | 211,169 | $10.1M | 0.25% | +92,288+77.6% | Added |
| Gilder Gagnon Howe & Co LLC | 215,980 | $10.3M | 0.18% | −126,493−36.9% | Reduced |
| Essex Investment Management Co LLC | 218,049 | $10.4M | 1.67% | +81,643+59.9% | Added |
| Ameriprise Financial Inc | 218,594 | $10.5M | 0.00% | +8,487+4.0% | Added |
| Emerald Mutual Fund Advisers Trust | 240,460 | $11.5M | 0.73% | −90,725−27.4% | Reduced |
| Wasatch Advisors Inc | 241,295 | $11.5M | 0.08% | −266−0.1% | Reduced |
| Intrinsic Edge Capital Management LLC | 247,391 | $11.8M | 1.32% | +3,966+1.6% | Added |
| Principal Financial Group Inc | 250,661 | $12.0M | 0.01% | −3,198−1.3% | Reduced |
| Baillie Gifford & Co | 263,084 | $12.6M | 0.01% | −43,139−14.1% | Reduced |
| Assenagon Asset Management S.A. | 290,215 | $13.9M | 0.06% | −63,894−18.0% | Reduced |
| Goldman Sachs Group Inc | 290,622 | $13.9M | 0.00% | −336,664−53.7% | Reduced |
| Balyasny Asset Management LLC | 293,520 | $14.0M | 0.05% | +293,520 | New |
| Emerald Advisers, LLC | 298,210 | $14.3M | 0.74% | −102,721−25.6% | Reduced |
| Citadel Advisors LLC | 309,806 | $14.8M | 0.02% | +264,506+583.9% | Added |
| RTW Investments, LP | 322,000 | $15.4M | 0.36% | −600,630−65.1% | Reduced |
| Morgan Stanley | 324,593 | $15.5M | 0.00% | −206,870−38.9% | Reduced |
| Wellington Management Group LLP | 328,866 | $15.7M | 0.00% | −354,573−51.9% | Reduced |
| Charles Schwab Investment Management Inc | 333,964 | $16.0M | 0.01% | −169,850−33.7% | Reduced |
| New York State Common Retirement Fund | 339,065 | $16.2M | 0.02% | +47,133+16.1% | Added |
| Granite Investment Partners, LLC | 346,224 | $16.6M | 0.72% | +346,224 | New |
| Squarepoint Ops LLC | 367,690 | $17.6M | 0.16% | +9,564+2.7% | Added |
| Price T Rowe Associates Inc | 403,945 | $19.3M | 0.00% | −231,499−36.4% | Reduced |
| Soleus Capital Management, L.P. | 415,200 | $19.9M | 2.70% | +231,400+125.9% | Added |
| Westfield Capital Management Co LP | 421,743 | $20.2M | 0.16% | −6,095−1.4% | Reduced |
| Macquarie Group Ltd | 445,226 | $21.3M | 0.03% | −216,264−32.7% | Reduced |
| Janus Henderson Group PLC | 458,717 | $21.9M | 0.02% | +147,416+47.4% | Added |
| Octagon Capital Advisors LP | 474,929 | $22.7M | 3.92% | +474,929 | New |
| Nuveen Asset Management, LLC | 477,654 | $22.9M | 0.01% | +26,406+5.9% | Added |
| Chicago Capital, LLC | 479,873 | $23.0M | 1.33% | +23,870+5.2% | Added |
| First Light Asset Management, LLC | 485,620 | $23.2M | 2.35% | +18,065+3.9% | Added |
| AXA S.A. | 486,910 | $23.3M | 0.09% | +66,958+15.9% | Added |
| Eagle Asset Management Inc | 520,778 | $24.9M | 0.16% | +520,778 | New |
| TimesSquare Capital Management, LLC | 546,465 | $26.1M | 0.36% | +237,170+76.7% | Added |
| Eaton Vance Management | 561,500 | $26.9M | 0.04% | −135,466−19.4% | Reduced |
| Northern Trust Corp | 604,037 | $28.9M | 0.01% | +133,290+28.3% | Added |
| Norges Bank | 608,294 | $29.1M | 0.01% | −11,306−1.8% | Reduced |
| Bank of New York Mellon Corp | 653,808 | $31.3M | 0.01% | +17,742+2.8% | Added |
| Federated Hermes, Inc. | 663,340 | $31.7M | 0.09% | −477,772−41.9% | Reduced |
| Two Sigma Investments, LP | 664,782 | $31.8M | 0.11% | +140,533+26.8% | Added |
| Two Sigma Advisers, LP | 700,883 | $33.5M | 0.10% | +325,000+86.5% | Added |
| Geode Capital Management, LLC | 865,993 | $41.4M | 0.01% | +11,062+1.3% | Added |
| Stephens Investment Management Group LLC | 979,596 | $46.9M | 0.89% | +141,168+16.8% | Added |
| Invesco Ltd. | 1,231,986 | $59.0M | 0.02% | −933,825−43.1% | Reduced |
| Bellevue Group AG | 1,566,015 | $74.9M | 1.08% | +250,142+19.0% | Added |
| Eminence Capital, LP | 1,590,787 | $76.1M | 1.63% | +1,590,787 | New |
| State Street Corp | 1,783,000 | $85.3M | 0.01% | +59,836+3.5% | Added |
| Brown Capital Management LLC | 2,010,230 | $96.2M | 1.35% | +317,416+18.8% | Added |
| Champlain Investment Partners, LLC | 3,123,973 | $149.5M | 1.02% | +484,310+18.3% | Added |
| Capital World Investors | 4,555,603 | $218.0M | 0.05% | +1,699,426+59.5% | Added |
| BlackRock Inc. | 6,093,219 | $291.6M | 0.01% | −251,164−4.0% | Reduced |
| Vanguard Group Inc | 6,194,276 | $296.4M | 0.01% | −179,317−2.8% | Reduced |
| FMR LLC | 8,973,191 | $429.4M | 0.04% | +2,506,241+38.8% | Added |
| American Century Companies Inc | 0 | $0 | 0.00% | −428,340−100.0% | Sold out |