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 |
|---|---|---|---|---|---|
| FMR LLC | 8,973,191 | $429.4M | 0.04% | +2,506,241+38.8% | Added |
| Vanguard Group Inc | 6,194,276 | $296.4M | 0.01% | −179,317−2.8% | Reduced |
| BlackRock Inc. | 6,093,219 | $291.6M | 0.01% | −251,164−4.0% | Reduced |
| Capital World Investors | 4,555,603 | $218.0M | 0.05% | +1,699,426+59.5% | Added |
| Champlain Investment Partners, LLC | 3,123,973 | $149.5M | 1.02% | +484,310+18.3% | Added |
| Brown Capital Management LLC | 2,010,230 | $96.2M | 1.35% | +317,416+18.8% | Added |
| State Street Corp | 1,783,000 | $85.3M | 0.01% | +59,836+3.5% | Added |
| Eminence Capital, LP | 1,590,787 | $76.1M | 1.63% | +1,590,787 | New |
| Bellevue Group AG | 1,566,015 | $74.9M | 1.08% | +250,142+19.0% | Added |
| Invesco Ltd. | 1,231,986 | $59.0M | 0.02% | −933,825−43.1% | Reduced |
| Stephens Investment Management Group LLC | 979,596 | $46.9M | 0.89% | +141,168+16.8% | Added |
| Geode Capital Management, LLC | 865,993 | $41.4M | 0.01% | +11,062+1.3% | Added |
| Two Sigma Advisers, LP | 700,883 | $33.5M | 0.10% | +325,000+86.5% | Added |
| Two Sigma Investments, LP | 664,782 | $31.8M | 0.11% | +140,533+26.8% | Added |
| Federated Hermes, Inc. | 663,340 | $31.7M | 0.09% | −477,772−41.9% | Reduced |
| Bank of New York Mellon Corp | 653,808 | $31.3M | 0.01% | +17,742+2.8% | Added |
| Norges Bank | 608,294 | $29.1M | 0.01% | −11,306−1.8% | Reduced |
| Northern Trust Corp | 604,037 | $28.9M | 0.01% | +133,290+28.3% | Added |
| Eaton Vance Management | 561,500 | $26.9M | 0.04% | −135,466−19.4% | Reduced |
| TimesSquare Capital Management, LLC | 546,465 | $26.1M | 0.36% | +237,170+76.7% | Added |
| Eagle Asset Management Inc | 520,778 | $24.9M | 0.16% | +520,778 | New |
| AXA S.A. | 486,910 | $23.3M | 0.09% | +66,958+15.9% | Added |
| First Light Asset Management, LLC | 485,620 | $23.2M | 2.35% | +18,065+3.9% | Added |
| Chicago Capital, LLC | 479,873 | $23.0M | 1.33% | +23,870+5.2% | Added |
| Nuveen Asset Management, LLC | 477,654 | $22.9M | 0.01% | +26,406+5.9% | Added |
| Octagon Capital Advisors LP | 474,929 | $22.7M | 3.92% | +474,929 | New |
| Janus Henderson Group PLC | 458,717 | $21.9M | 0.02% | +147,416+47.4% | Added |
| Macquarie Group Ltd | 445,226 | $21.3M | 0.03% | −216,264−32.7% | Reduced |
| Westfield Capital Management Co LP | 421,743 | $20.2M | 0.16% | −6,095−1.4% | Reduced |
| Soleus Capital Management, L.P. | 415,200 | $19.9M | 2.70% | +231,400+125.9% | Added |
| Price T Rowe Associates Inc | 403,945 | $19.3M | 0.00% | −231,499−36.4% | Reduced |
| Squarepoint Ops LLC | 367,690 | $17.6M | 0.16% | +9,564+2.7% | Added |
| Granite Investment Partners, LLC | 346,224 | $16.6M | 0.72% | +346,224 | New |
| New York State Common Retirement Fund | 339,065 | $16.2M | 0.02% | +47,133+16.1% | Added |
| Charles Schwab Investment Management Inc | 333,964 | $16.0M | 0.01% | −169,850−33.7% | Reduced |
| Wellington Management Group LLP | 328,866 | $15.7M | 0.00% | −354,573−51.9% | Reduced |
| Morgan Stanley | 324,593 | $15.5M | 0.00% | −206,870−38.9% | Reduced |
| RTW Investments, LP | 322,000 | $15.4M | 0.36% | −600,630−65.1% | Reduced |
| Citadel Advisors LLC | 309,806 | $14.8M | 0.02% | +264,506+583.9% | Added |
| Emerald Advisers, LLC | 298,210 | $14.3M | 0.74% | −102,721−25.6% | Reduced |
| Balyasny Asset Management LLC | 293,520 | $14.0M | 0.05% | +293,520 | New |
| Goldman Sachs Group Inc | 290,622 | $13.9M | 0.00% | −336,664−53.7% | Reduced |
| Assenagon Asset Management S.A. | 290,215 | $13.9M | 0.06% | −63,894−18.0% | Reduced |
| Baillie Gifford & Co | 263,084 | $12.6M | 0.01% | −43,139−14.1% | Reduced |
| Principal Financial Group Inc | 250,661 | $12.0M | 0.01% | −3,198−1.3% | Reduced |
| Intrinsic Edge Capital Management LLC | 247,391 | $11.8M | 1.32% | +3,966+1.6% | Added |
| Wasatch Advisors Inc | 241,295 | $11.5M | 0.08% | −266−0.1% | Reduced |
| Emerald Mutual Fund Advisers Trust | 240,460 | $11.5M | 0.73% | −90,725−27.4% | Reduced |
| Ameriprise Financial Inc | 218,594 | $10.5M | 0.00% | +8,487+4.0% | Added |
| Essex Investment Management Co LLC | 218,049 | $10.4M | 1.67% | +81,643+59.9% | Added |
| Gilder Gagnon Howe & Co LLC | 215,980 | $10.3M | 0.18% | −126,493−36.9% | Reduced |
| Capital Fund Management S.A. | 211,169 | $10.1M | 0.25% | +92,288+77.6% | Added |
| Eagle Health Investments LP | 196,400 | $9.40M | 2.16% | +196,400 | New |
| Peregrine Capital Management LLC | 190,491 | $9.12M | 0.30% | +190,491 | New |
| Nomura Holdings Inc | 190,200 | $9.10M | 0.09% | −11,727−5.8% | Reduced |
| Cubist Systematic Strategies, LLC | 185,078 | $8.86M | 0.07% | −151,392−45.0% | Reduced |
| Rhumbline Advisers | 181,239 | $8.67M | 0.01% | +4,345+2.5% | Added |
| Fred Alger Management, LLC | 179,673 | $8.60M | 0.04% | +34,583+23.8% | Added |
| Kennedy Capital Management, Inc. | 161,649 | $7.74M | 0.23% | +128,706+390.7% | Added |
| JPMorgan Chase & Co | 161,003 | $7.70M | 0.00% | +15,779+10.9% | Added |
| WCM Investment Management, LLC | 152,851 | $7.60M | 0.03% | +10,567+7.4% | Added |
| Lombard Odier Asset Management (Switzerland) SA | 152,631 | $7.30M | 0.62% | −34,046−18.2% | Reduced |
| Swiss National Bank | 151,700 | $7.26M | 0.01% | +1,500+1.0% | Added |
| California Public Employees Retirement System | 145,823 | $6.98M | 0.01% | +20,651+16.5% | Added |
| Amundi | 133,575 | $6.97M | 0.00% | −8,645−6.1% | Reduced |
| Silvercrest Asset Management Group LLC | 142,837 | $6.83M | 0.06% | +55,784+64.1% | Added |
| Pictet Asset Management SA | 128,590 | $6.15M | 0.01% | −204,474−61.4% | Reduced |
| Bank of America Corp | 128,498 | $6.15M | 0.00% | −95,317−42.6% | Reduced |
| Skandinaviska Enskilda Banken AB (publ) | 122,657 | $5.87M | 0.05% | 00.0% | Unchanged |
| Voya Investment Management LLC | 122,352 | $5.85M | 0.01% | −399,379−76.5% | Reduced |
| Polar Asset Management Partners Inc. | 117,200 | $5.61M | 0.07% | +117,200 | New |
| Frontier Capital Management Co LLC | 114,501 | $5.48M | 0.06% | +49,812+77.0% | Added |
| SEI Investments Co | 109,620 | $5.25M | 0.01% | −6,180−5.3% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 105,845 | $5.10M | 0.01% | −3,684−3.4% | Reduced |
| Bridgewater Associates, LP | 101,743 | $4.87M | 0.02% | +249+0.2% | Added |
| 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 |
| Osterweis Capital Management Inc | 97,790 | $4.68M | 0.35% | −31,910−24.6% | Reduced |
| Legal & General Group Plc | 97,038 | $4.64M | 0.00% | −779−0.8% | Reduced |
| State of Wisconsin Investment Board | 93,355 | $4.47M | 0.01% | −4,128−4.2% | Reduced |
| Alliancebernstein L.P. | 92,479 | $4.42M | 0.00% | −1,261,665−93.2% | Reduced |
| Retirement Systems of Alabama | 84,077 | $4.02M | 0.02% | −183−0.2% | Reduced |
| Point72 Asset Management, L.P. | 82,738 | $3.96M | 0.02% | +82,738 | New |
| UBS Asset Management Americas Inc | 82,458 | $3.95M | 0.00% | −11,675−12.4% | Reduced |
| Voloridge Investment Management, LLC | 81,759 | $3.91M | 0.02% | +20,506+33.5% | Added |
| California State Teachers Retirement System | 80,388 | $3.85M | 0.01% | −1,465−1.8% | Reduced |
| Pura Vida Investments, LLC | 75,000 | $3.59M | 0.54% | +75,000 | New |
| Millennium Management LLC | 73,083 | $3.50M | 0.00% | −20,298−21.7% | Reduced |
| Deutsche Bank AG | 72,337 | $3.46M | 0.00% | −13,928−16.1% | Reduced |
| State Board of Administration of Florida Retirement System | 70,109 | $3.35M | 0.01% | 00.0% | Unchanged |
| Renaissance Technologies LLC | 67,400 | $3.23M | 0.00% | −85,827−56.0% | Reduced |
| Credit Suisse AG | 66,974 | $3.21M | 0.00% | +1,607+2.5% | Added |
| Victory Capital Management Inc | 65,480 | $3.13M | 0.00% | −37,445−36.4% | Reduced |
| UBS Group AG | 64,948 | $3.11M | 0.00% | −47,563−42.3% | Reduced |
| New York State Teachers Retirement System | 64,920 | $3.11M | 0.01% | +5,600+9.4% | Added |
| Thrivent Financial for Lutherans | 62,143 | $2.97M | 0.01% | +14,977+31.8% | Added |
| KBC Group NV | 61,500 | $2.94M | 0.02% | 00.0% | Unchanged |
| Algert Global LLC | 61,181 | $2.93M | 0.18% | +2,189+3.7% | Added |
| Susquehanna International Group, LLP | 58,579 | $2.80M | 0.01% | +58,579 | New |
| Mutual of America Capital Management LLC | 56,562 | $2.71M | 0.04% | −30,215−34.8% | Reduced |