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 |
|---|---|---|---|---|---|
| Man Group plc | 191,923 | $4.71M | 0.01% | – | – |
| JPMorgan Chase & Co | 200,651 | $4.92M | 0.00% | +56,565+39.3% | Added |
| Tudor Investment Corp Et Al | 207,090 | $5.08M | 0.08% | +136,914+195.1% | Added |
| Coronation Fund Managers Ltd. | 207,846 | $5.10M | 0.14% | +57,501+38.2% | Added |
| Walleye Capital LLC | 215,299 | $5.28M | 0.09% | +161,961+303.7% | Added |
| Fred Alger Management, LLC | 215,640 | $5.29M | 0.03% | −8,768−3.9% | Reduced |
| AXA S.A. | 241,740 | $5.93M | 0.02% | 00.0% | Unchanged |
| Connor, Clark & Lunn Investment Management Ltd. | 259,083 | $6.36M | 0.03% | +11,815+4.8% | Added |
| Baillie Gifford & Co | 262,756 | $6.45M | 0.01% | −187−0.1% | Reduced |
| Ameriprise Financial Inc | 284,951 | $6.99M | 0.00% | −2,536−0.9% | Reduced |
| Dimensional Fund Advisors LP | 294,512 | $7.23M | 0.00% | +49,929+20.4% | Added |
| Invesco Ltd. | 296,342 | $7.27M | 0.00% | −1,598−0.5% | Reduced |
| Susquehanna International Group, LLP | 309,835 | $7.60M | 0.01% | +122,513+65.4% | Added |
| Jennison Associates LLC | 318,427 | $7.81M | 0.01% | +318,427 | New |
| Eagle Health Investments LP | 320,325 | $7.86M | 1.47% | −105,200−24.7% | Reduced |
| New York State Common Retirement Fund | 335,025 | $8.22M | 0.01% | −63,840−16.0% | Reduced |
| Charles Schwab Investment Management Inc | 350,425 | $8.60M | 0.00% | +1,978+0.6% | Added |
| Northern Trust Corp | 368,877 | $9.05M | 0.00% | +4,739+1.3% | Added |
| Principal Financial Group Inc | 373,901 | $9.18M | 0.01% | −13,712−3.5% | Reduced |
| Cubist Systematic Strategies, LLC | 381,162 | $9.35M | 0.10% | +219,373+135.6% | Added |
| Morgan Stanley | 403,287 | $9.90M | 0.00% | −528,485−56.7% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 427,025 | $10.5M | 0.03% | −27,525−6.1% | Reduced |
| Octagon Capital Advisors LP | 474,929 | $11.7M | 1.63% | 00.0% | Unchanged |
| Bank of New York Mellon Corp | 515,545 | $12.7M | 0.00% | −75,035−12.7% | Reduced |
| Norges Bank | 567,378 | $13.9M | 0.00% | +9,466+1.7% | Added |
| First Light Asset Management, LLC | 600,767 | $14.7M | 1.16% | +11,582+2.0% | Added |
| D. E. Shaw & Co., Inc. | 602,060 | $14.8M | 0.02% | +356,493+145.2% | Added |
| Marshall Wace, LLP | 657,161 | $16.1M | 0.03% | +657,161 | New |
| Jacobs Levy Equity Management, Inc | 790,855 | $19.4M | 0.11% | +497,578+169.7% | Added |
| Voloridge Investment Management, LLC | 877,031 | $21.5M | 0.10% | +392,407+81.0% | Added |
| Geode Capital Management, LLC | 973,352 | $23.9M | 0.00% | +36,675+3.9% | Added |
| Stephens Investment Management Group LLC | 1,010,581 | $24.8M | 0.39% | −19,416−1.9% | Reduced |
| Millennium Management LLC | 1,047,385 | $25.7M | 0.03% | +752,481+255.2% | Added |
| Two Sigma Investments, LP | 1,207,805 | $29.6M | 0.08% | +285,322+30.9% | Added |
| Two Sigma Advisers, LP | 1,213,483 | $29.8M | 0.08% | +190,090+18.6% | Added |
| Paradice Investment Management LLC | 1,226,815 | $30.1M | 2.24% | +1,226,815 | New |
| Capital International Investors | 1,235,244 | $30.3M | 0.01% | −24,723−2.0% | Reduced |
| Brown Capital Management LLC | 1,591,729 | $39.1M | 0.55% | −579,044−26.7% | Reduced |
| Champlain Investment Partners, LLC | 1,618,720 | $39.7M | 0.24% | −1,654,393−50.5% | Reduced |
| Janus Henderson Group PLC | 2,084,399 | $51.2M | 0.03% | +790,155+61.1% | Added |
| Bellevue Group AG | 2,092,934 | $51.4M | 0.73% | +299,171+16.7% | Added |
| State Street Corp | 2,257,428 | $55.4M | 0.00% | +190,499+9.2% | Added |
| Eminence Capital, LP | 3,117,559 | $76.5M | 1.37% | +647,902+26.2% | Added |
| FMR LLC | 4,560,305 | $111.9M | 0.01% | −3,679,425−44.7% | Reduced |
| Capital World Investors | 6,486,027 | $159.2M | 0.03% | +529,497+8.9% | Added |
| Vanguard Group Inc | 7,012,903 | $172.1M | 0.00% | −34,574−0.5% | Reduced |
| BlackRock Inc. | 8,970,227 | $220.1M | 0.01% | −237,333−2.6% | Reduced |
| Tri Locum Partners LP | 0 | $0 | 0.00% | −417,448−100.0% | Sold out |
| Balyasny Asset Management LLC | 0 | $0 | 0.00% | −280,192−100.0% | Sold out |
| Adage Capital Partners GP, L.L.C. | 0 | $0 | 0.00% | −250,000−100.0% | Sold out |
| Soleus Capital Management, L.P. | 0 | $0 | 0.00% | −203,300−100.0% | Sold out |
| WCM Investment Management, LLC | 0 | $0 | 0.00% | −151,103−100.0% | Sold out |
| Atika Capital Management LLC | 0 | $0 | 0.00% | −145,350−100.0% | Sold out |
| Sessa Capital IM, L.P. | 0 | $0 | 0.00% | −121,820−100.0% | Sold out |
| Banque Pictet & Cie SA | 0 | $0 | 0.00% | −98,088−100.0% | Sold out |
| Canada Pension Plan Investment Board | 0 | $0 | 0.00% | −88,700−100.0% | Sold out |
| Lombard Odier Asset Management (Switzerland) SA | 0 | $0 | 0.00% | −70,881−100.0% | Sold out |
| Brookfield Asset Management Inc. | 0 | $0 | 0.00% | −56,816−100.0% | Sold out |
| Millrace Asset Group, Inc. | 0 | $0 | 0.00% | −44,767−100.0% | Sold out |
| Chartwell Investment Partners, LLC | 0 | $0 | 0.00% | −21,423−100.0% | Sold out |
| Hawk Ridge Capital Management LP | 0 | $0 | 0.00% | −21,200−100.0% | Sold out |
| B. Metzler seel. Sohn & Co. AG | 0 | $0 | 0.00% | −19,209−100.0% | Sold out |
| Natixis | 0 | $0 | 0.00% | −18,151−100.0% | Sold out |
| LMR Partners LLP | 0 | $0 | 0.00% | −18,069−100.0% | Sold out |
| PDT Partners, LLC | 0 | $0 | 0.00% | −17,886−100.0% | Sold out |
| Axq Capital, LP | 0 | $0 | 0.00% | −17,184−100.0% | Sold out |
| Maverick Capital LtdSuperinvestorMaverick Capital | 0 | $0 | 0.00% | −15,615−100.0% | Sold out |
| Granite Point Capital Management, L.P. | 0 | $0 | 0.00% | −15,000−100.0% | Sold out |
| Bank Julius Baer & Co. Ltd, Zurich | 0 | $0 | 0.00% | −14,997−100.0% | Sold out |
| Bank of Montreal | 0 | $0 | 0.00% | −12,664−100.0% | Sold out |
| American Century Companies Inc | 0 | $0 | 0.00% | −12,391−100.0% | Sold out |
| Bokf, NA | 0 | $0 | 0.00% | −12,091−100.0% | Sold out |
| Versor Investments LP | 0 | $0 | 0.00% | −9,457−100.0% | Sold out |
| Landscape Capital Management, L.L.C. | 0 | $0 | 0.00% | −9,208−100.0% | Sold out |
| Cetera Advisor Networks LLC | 0 | $0 | 0.00% | −9,050−100.0% | Sold out |
| Empire Financial Management Company, LLC | 0 | $0 | 0.00% | −8,750−100.0% | Sold out |
| JustInvest LLC | 0 | $0 | 0.00% | −8,598−100.0% | Sold out |
| Xponance, Inc. | 0 | $0 | 0.00% | −8,233−100.0% | Sold out |
| AtonRa Partners | 0 | $0 | 0.00% | −7,378−100.0% | Sold out |
| Truist Financial Corp | 0 | $0 | 0.00% | −7,190−100.0% | Sold out |
| Teacher Retirement System of Texas | 0 | $0 | 0.00% | −7,151−100.0% | Sold out |
| Pictet Asset Management SA | 0 | $0 | 0.00% | −7,082−100.0% | Sold out |
| Prelude Capital Management, LLC | 0 | $0 | 0.00% | −6,514−100.0% | Sold out |
| Cambridge Investment Research Advisors, Inc. | 0 | $0 | 0.00% | −6,388−100.0% | Sold out |
| Pictet & Cie (Europe) SA | 0 | $0 | 0.00% | −6,377−100.0% | Sold out |
| CI Private Wealth, LLC | 0 | $0 | 0.00% | −6,272−100.0% | Sold out |
| Financial Alternatives, Inc | 0 | $0 | 0.00% | −6,223−100.0% | Sold out |
| Creative Planning | 0 | $0 | 0.00% | −5,687−100.0% | Sold out |
| Tarbox Family Office, Inc. | 0 | $0 | 0.00% | −5,509−100.0% | Sold out |
| Roundview Capital LLC | 0 | $0 | 0.00% | −5,344−100.0% | Sold out |
| Oppenheimer Asset Management Inc. | 0 | $0 | 0.00% | −5,259−100.0% | Sold out |
| Healthcare of Ontario Pension Plan Trust Fund | 0 | $0 | 0.00% | −5,258−100.0% | Sold out |
| MML Investors Services, LLC | 0 | $0 | 0.00% | −5,180−100.0% | Sold out |
| AQR Capital Management LLC | 0 | $0 | 0.00% | −4,945−100.0% | Sold out |
| Ameritas Advisory Services, LLC | 0 | $0 | 0.00% | −485−100.0% | Sold out |
| Edmond de Rothschild Holding S.A. | 0 | $0 | 0.00% | −380−100.0% | Sold out |
| Belpointe Asset Management LLC | 0 | $0 | 0.00% | −350−100.0% | Sold out |
| Riverview Trust Co | 0 | $0 | 0.00% | −338−100.0% | Sold out |
| International Assets Investment Management, LLC | 0 | $0 | 0.00% | −165−100.0% | Sold out |
| Machina Capital S.A.S. | 0 | $0 | 0.00% | −100−100.0% | Sold out |