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 |
|---|---|---|---|---|---|
| Bank of Montreal | 102,429 | $12.0M | 0.01% | +78,601+329.9% | Added |
| Bank of America Corp | 103,823 | $12.1M | 0.00% | −17,942−14.7% | Reduced |
| Barclays PLC | 106,051 | $12.3M | 0.01% | +3,594+3.5% | Added |
| WCM Investment Management, LLC | 106,276 | $12.4M | 0.03% | +9,964+10.3% | Added |
| American International Group, Inc. | 108,107 | $12.6M | 0.07% | +202+0.2% | Added |
| Allspring Global Investments Holdings, LLC | 109,733 | $12.8M | 0.02% | −937−0.8% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 113,753 | $13.2M | 0.03% | −11,068−8.9% | Reduced |
| Man Group plc | 113,872 | $13.2M | 0.05% | −45,534−28.6% | Reduced |
| Assenagon Asset Management S.A. | 119,974 | $14.0M | 0.05% | +59,198+97.4% | Added |
| Polar Asset Management Partners Inc. | 120,500 | $14.0M | 0.17% | +120,500 | New |
| Lisanti Capital Growth, LLC | 124,654 | $14.5M | 1.63% | +49,154+65.1% | Added |
| California Public Employees Retirement System | 128,283 | $14.9M | 0.01% | −2,229−1.7% | Reduced |
| Intrinsic Edge Capital Management LLC | 132,175 | $15.4M | 1.21% | +5,244+4.1% | Added |
| JPMorgan Chase & Co | 133,397 | $15.5M | 0.00% | +38,460+40.5% | Added |
| Essex Investment Management Co LLC | 142,178 | $16.5M | 2.06% | +55,481+64.0% | Added |
| CIBC Private Wealth Group, LLC | 143,457 | $16.7M | 0.04% | −11,322−7.3% | Reduced |
| Consonance Capital Management LP | 147,327 | $17.1M | 29.07% | −153,337−51.0% | Reduced |
| Fred Alger Management, LLC | 148,612 | $17.3M | 0.06% | −728−0.5% | Reduced |
| Swiss National Bank | 150,200 | $17.5M | 0.01% | +11,400+8.2% | Added |
| Redwood Investments, LLC | 156,625 | $18.2M | 1.72% | −680.0% | Reduced |
| Nicholas Company, Inc. | 156,873 | $18.2M | 0.33% | +175+0.1% | Added |
| Amundi | 153,919 | $18.9M | 0.01% | +24,390+18.8% | Added |
| Rhumbline Advisers | 163,070 | $19.0M | 0.02% | +113+0.1% | Added |
| Credit Suisse AG | 164,462 | $19.1M | 0.02% | −312,015−65.5% | Reduced |
| Kingdon Capital Management, L.L.C. | 172,400 | $20.0M | 3.41% | +22,400+14.9% | Added |
| Morgan Stanley | 173,099 | $20.1M | 0.00% | −303,197−63.7% | Reduced |
| Dimensional Fund Advisors LP | 185,408 | $21.6M | 0.01% | +75,358+68.5% | Added |
| Lombard Odier Asset Management (Switzerland) SA | 186,756 | $21.7M | 1.70% | −6,405−3.3% | Reduced |
| Nomura Holdings Inc | 198,827 | $24.1M | 0.18% | +30,563+18.2% | Added |
| Victory Capital Management Inc | 213,889 | $24.6M | 0.02% | −43,372−16.9% | Reduced |
| Pictet Asset Management SA | 224,393 | $26.1M | 0.03% | −41,751−15.7% | Reduced |
| Principal Financial Group Inc | 249,387 | $29.0M | 0.02% | −18,029−6.7% | Reduced |
| Wasatch Advisors Inc | 252,192 | $29.3M | 0.14% | −87,230−25.7% | Reduced |
| First Trust Advisors LP | 252,873 | $29.4M | 0.03% | +52,798+26.4% | Added |
| Redmile Group, LLC | 271,218 | $31.5M | 0.98% | +271,218 | New |
| Hood River Capital Management LLC | 288,718 | $33.6M | 1.12% | +8,823+3.2% | Added |
| Eaton Vance Management | 289,818 | $33.7M | 0.04% | +26,569+10.1% | Added |
| New York State Common Retirement Fund | 300,703 | $35.0M | 0.04% | +41,394+16.0% | Added |
| TimesSquare Capital Management, LLC | 305,795 | $35.6M | 0.40% | −63,850−17.3% | Reduced |
| AXA S.A. | 315,350 | $36.7M | 0.10% | +3,541+1.1% | Added |
| UBS Group AG | 316,158 | $36.8M | 0.02% | −88,756−21.9% | Reduced |
| American Century Companies Inc | 332,499 | $38.7M | 0.03% | +68,811+26.1% | Added |
| Baillie Gifford & Co | 333,801 | $38.8M | 0.03% | −23,151−6.5% | Reduced |
| Nuveen Asset Management, LLC | 348,821 | $39.6M | 0.01% | +17,352+5.2% | Added |
| Westfield Capital Management Co LP | 344,043 | $40.0M | 0.26% | +22,053+6.8% | Added |
| SEI Investments Co | 349,868 | $40.7M | 0.08% | −211,195−37.6% | Reduced |
| Janus Henderson Group PLC | 359,855 | $41.8M | 0.02% | −289,472−44.6% | Reduced |
| First Light Asset Management, LLC | 435,305 | $50.6M | 4.46% | +23,521+5.7% | Added |
| Millennium Management LLC | 456,092 | $53.0M | 0.07% | +242,438+113.5% | Added |
| Chicago Capital, LLC | 462,670 | $53.8M | 2.32% | +4,056+0.9% | Added |
| Lord, Abbett & Co. LLC | 480,397 | $55.9M | 0.15% | +432+0.1% | Added |
| Northern Trust Corp | 483,767 | $56.3M | 0.01% | −9,176−1.9% | Reduced |
| Charles Schwab Investment Management Inc | 503,580 | $58.6M | 0.02% | +12,318+2.5% | Added |
| Citadel Advisors LLC | 513,988 | $59.8M | 0.07% | −294,141−36.4% | Reduced |
| Voya Investment Management LLC | 517,202 | $60.1M | 0.12% | +157,768+43.9% | Added |
| Point72 Asset Management, L.P. | 571,669 | $66.5M | 0.29% | +437,000+324.5% | Added |
| Norges Bank | 594,002 | $69.1M | 0.02% | +4,614+0.8% | Added |
| Bank of New York Mellon Corp | 613,747 | $71.4M | 0.01% | +3,836+0.6% | Added |
| Price T Rowe Associates Inc | 627,697 | $73.0M | 0.01% | +3,886+0.6% | Added |
| Macquarie Group Ltd | 671,741 | $78.1M | 0.07% | −287,288−30.0% | Reduced |
| Ameriprise Financial Inc | 678,229 | $78.9M | 0.02% | +486,762+254.2% | Added |
| Wellington Management Group LLP | 700,515 | $81.5M | 0.01% | −8,100−1.1% | Reduced |
| Gilder Gagnon Howe & Co LLC | 746,324 | $86.8M | 0.80% | −22,582−2.9% | Reduced |
| Goldman Sachs Group Inc | 795,113 | $92.5M | 0.02% | −134,178−14.4% | Reduced |
| Stephens Investment Management Group LLC | 833,969 | $97.0M | 1.42% | +14,354+1.8% | Added |
| Geode Capital Management, LLC | 854,243 | $99.3M | 0.01% | +30,445+3.7% | Added |
| RTW Investments, LP | 1,004,936 | $116.9M | 2.42% | −155,798−13.4% | Reduced |
| Bellevue Group AG | 1,116,508 | $129.8M | 1.51% | +167,251+17.6% | Added |
| Federated Hermes, Inc. | 1,200,594 | $139.6M | 0.32% | +890+0.1% | Added |
| Brown Capital Management LLC | 1,218,947 | $141.8M | 1.41% | +30,299+2.5% | Added |
| Jackson Square Partners, LLC | 1,499,740 | $174.4M | 1.73% | −1,004,606−40.1% | Reduced |
| Champlain Investment Partners, LLC | 1,541,325 | $179.2M | 0.93% | +54,812+3.7% | Added |
| State Street Corp | 1,708,030 | $198.6M | 0.01% | +59,778+3.6% | Added |
| Invesco Ltd. | 2,080,173 | $241.9M | 0.06% | +137,202+7.1% | Added |
| Capital World Investors | 2,846,252 | $331.0M | 0.06% | −580,877−16.9% | Reduced |
| FMR LLC | 6,119,598 | $711.6M | 0.06% | +496,614+8.8% | Added |
| Vanguard Group Inc | 6,306,724 | $733.4M | 0.02% | +146,577+2.4% | Added |
| BlackRock Inc. | 6,531,074 | $759.5M | 0.02% | +52,436+0.8% | Added |
| Sofos Investments, Inc. | 2,088 | – | – | −1,234−37.1% | Reduced |
| Jennison Associates LLC | 0 | $0 | 0.00% | −277,581−100.0% | Sold out |
| 1832 Asset Management L.P. | 0 | $0 | 0.00% | −99,800−100.0% | Sold out |
| Banque Pictet & Cie SA | 0 | $0 | 0.00% | −90,770−100.0% | Sold out |
| Mirabella Financial Services LLP | 0 | $0 | 0.00% | −54,110−100.0% | Sold out |
| Penserra Capital Management LLC | 0 | $0 | 0.00% | −46,731−100.0% | Sold out |
| Driehaus Capital Management LLC | 0 | $0 | 0.00% | −42,164−100.0% | Sold out |
| Tudor Investment Corp Et Al | 0 | $0 | 0.00% | −29,551−100.0% | Sold out |
| Crown Advisors Management, Inc. | 0 | $0 | 0.00% | −25,000−100.0% | Sold out |
| Voloridge Investment Management, LLC | 0 | $0 | 0.00% | −21,839−100.0% | Sold out |
| Twin Capital Management Inc | 0 | $0 | 0.00% | −19,695−100.0% | Sold out |
| EAM Global Investors LLC | 0 | $0 | 0.00% | −17,125−100.0% | Sold out |
| EAM Investors, LLC | 0 | $0 | 0.00% | −15,321−100.0% | Sold out |
| Kensington Investment Counsel, LLC | 0 | $0 | 0.00% | −14,403−100.0% | Sold out |
| Metropolitan Life Insurance Co | 0 | $0 | 0.00% | −14,046−100.0% | Sold out |
| Cordatus Wealth Management LLC | 0 | $0 | 0.00% | −13,976−100.0% | Sold out |
| ETF Managers Group, LLC | 0 | $0 | 0.00% | −10,654−100.0% | Sold out |
| Quantitative Investment Management, LLC | 0 | $0 | 0.00% | −9,548−100.0% | Sold out |
| Precept Management LLC | 0 | $0 | 0.00% | −9,000−100.0% | Sold out |
| BI Asset Management Fondsmaeglerselskab A/S | 0 | $0 | 0.00% | −8,433−100.0% | Sold out |
| Avestar Capital, LLC | 0 | $0 | 0.00% | −7,639−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −6,877−100.0% | Sold out |