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 2024
Institutional positions in Tandem Diabetes Care Inc as of Sep 30, 2024. 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
- 332
- +18 vs. Q2 2024
- Shares held
- 73.1M
- +10.7M (+17.2%) vs. Q2 2024
- Total value
- $3.10B
- +$586.3M (+23.3%) vs. Q2 2024
- New holders
- 59
- 109 more added
- Sold out
- 41
- 117 more reduced
3 institutions that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2024: 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 2024
Shares, value and share of portfolio for each institution holding Tandem Diabetes Care Inc; share changes are against Q2 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Louisiana State Employees Retirement System | 31,600 | $1.34M | 0.02% | −900−2.8% | Reduced |
| Verition Fund Management LLC | 31,743 | $1.35M | 0.01% | −16,699−34.5% | Reduced |
| Beacon Investment Advisory Services, Inc. | 32,610 | $1.38M | 0.06% | −970−2.9% | Reduced |
| US Bancorp | 33,600 | $1.42M | 0.00% | −3,320−9.0% | Reduced |
| Brinker Capital Investments, LLC | 33,663 | $1.43M | 0.01% | −3,713−9.9% | Reduced |
| Orion Portfolio Solutions, LLC | 33,663 | $1.43M | 0.01% | −3,713−9.9% | Reduced |
| JB Capital LLC | 33,729 | $1.43M | 0.08% | +2,259+7.2% | Added |
| LMR Partners LLP | 33,824 | $1.43M | 0.03% | +23,743+235.5% | Added |
| Stifel Financial Corp | 34,072 | $1.44M | 0.00% | +2,160+6.8% | Added |
| Manufacturers Life Insurance Company, The | 35,349 | $1.50M | 0.00% | −631−1.8% | Reduced |
| Squarepoint Ops LLC | 35,930 | $1.52M | 0.00% | −85,240−70.3% | Reduced |
| LPL Financial LLC | 35,937 | $1.52M | 0.00% | −8,023−18.3% | Reduced |
| Algert Global LLC | 37,113 | $1.57M | 0.04% | −8,150−18.0% | Reduced |
| Corebridge Financial, Inc. | 37,200 | $1.58M | 0.01% | −359−1.0% | Reduced |
| State of Alaska, Department of Revenue | 37,358 | $1.58M | 0.02% | −564−1.5% | Reduced |
| MetLife Investment Management | 37,422 | $1.59M | 0.01% | +21,086+129.1% | Added |
| Susquehanna International Group, LLP | 39,507 | $1.68M | 0.00% | +5,533+16.3% | Added |
| Tudor Investment Corp Et Al | 40,749 | $1.73M | 0.02% | −24,477−37.5% | Reduced |
| Qube Research & Technologies Ltd | 42,193 | $1.79M | 0.00% | +42,193 | New |
| Deutsche Bank AG | 42,463 | $1.80M | 0.00% | +8,814+26.2% | Added |
| State of New Jersey Common Pension Fund D | 44,776 | $1.90M | 0.01% | +8,837+24.6% | Added |
| Wells Fargo & Company | 45,092 | $1.91M | 0.00% | +1,716+4.0% | Added |
| Price T Rowe Associates Inc | 45,200 | $1.92M | 0.00% | +409+0.9% | Added |
| Amundi | 48,901 | $1.95M | 0.00% | +532+1.1% | Added |
| Millrace Asset Group, Inc. | 46,304 | $1.96M | 1.99% | +46,304 | New |
| Thrivent Financial for Lutherans | 51,409 | $2.18M | 0.00% | −2,210−4.1% | Reduced |
| M&T Bank Corp | 51,835 | $2.20M | 0.01% | +858+1.7% | Added |
| ExodusPoint Capital Management, LP | 58,863 | $2.50M | 0.03% | −59,690−50.3% | Reduced |
| Oppenheimer Asset Management Inc. | 59,092 | $2.51M | 0.03% | +9,899+20.1% | Added |
| Mirae Asset Global Investments Co., Ltd. | 60,648 | $2.57M | 0.01% | +21,282+54.1% | Added |
| EAM Investors, LLC | 60,804 | $2.58M | 0.39% | −18,829−23.6% | Reduced |
| California State Teachers Retirement System | 61,110 | $2.59M | 0.00% | −1,913−3.0% | Reduced |
| Great West Life Assurance Co | 62,173 | $2.64M | 0.00% | −16,614−21.1% | Reduced |
| Cerity Partners LLC | 62,796 | $2.66M | 0.01% | +11,247+21.8% | Added |
| Natixis Advisors, L.P. | 63,706 | $2.70M | 0.01% | +10,462+19.6% | Added |
| Aquatic Capital Management LLC | 67,500 | $2.86M | 0.07% | +17,747+35.7% | Added |
| Prelude Capital Management, LLC | 68,110 | $2.89M | 0.22% | +30,189+79.6% | Added |
| New York State Teachers Retirement System | 68,600 | $2.91M | 0.01% | −300−0.4% | Reduced |
| Mizuho Markets Americas LLC | 71,068 | $3.01M | 0.07% | −1,188−1.6% | Reduced |
| Lighthouse Investment Partners, LLC | 76,183 | $3.23M | 0.17% | +76,183 | New |
| Engineers Gate Manager LP | 79,103 | $3.35M | 0.07% | −16,985−17.7% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 79,871 | $3.39M | 0.01% | +30,935+63.2% | Added |
| Citigroup Inc | 82,030 | $3.48M | 0.00% | −27,644−25.2% | Reduced |
| Rice Hall James & Associates, LLC | 92,258 | $3.91M | 0.21% | −1,035−1.1% | Reduced |
| Capital Fund Management S.A. | 92,690 | $3.93M | 0.04% | +92,690 | New |
| Banque Pictet & Cie SA | 95,334 | $4.04M | 0.04% | −66,938−41.3% | Reduced |
| First Trust Advisors LP | 99,105 | $4.20M | 0.00% | −279,792−73.8% | Reduced |
| Raymond James & Associates | 104,418 | $4.43M | 0.00% | +7,747+8.0% | Added |
| State of Wisconsin Investment Board | 106,587 | $4.52M | 0.01% | −21,024−16.5% | Reduced |
| Simplify Asset Management Inc. | 114,604 | $4.86M | 0.33% | +114,604 | New |
| Lisanti Capital Growth, LLC | 114,925 | $4.87M | 1.23% | −43,335−27.4% | Reduced |
| Jane Street Group, LLC | 115,387 | $4.89M | 0.01% | +47,692+70.5% | Added |
| Truist Financial Corp | 117,127 | $4.97M | 0.01% | +7,900+7.2% | Added |
| Gotham Asset Management, LLC | 120,306 | $5.10M | 0.05% | −10,415−8.0% | Reduced |
| Kennedy Capital Management, Inc. | 125,034 | $5.30M | 0.12% | +125,034 | New |
| Swiss National Bank | 126,200 | $5.35M | 0.00% | −800−0.6% | Reduced |
| Formula Growth Ltd | 128,125 | $5.43M | 1.87% | +3,479+2.8% | Added |
| Alliancebernstein L.P. | 134,447 | $5.70M | 0.00% | −14,438−9.7% | Reduced |
| Prudential Financial Inc | 135,100 | $5.73M | 0.01% | +13,765+11.3% | Added |
| FIL Ltd | 135,392 | $5.74M | 0.01% | −230−0.2% | Reduced |
| KBC Group NV | 136,018 | $5.77M | 0.02% | −103,396−43.2% | Reduced |
| Trexquant Investment LP | 137,368 | $5.83M | 0.07% | −71,021−34.1% | Reduced |
| Public Sector Pension Investment Board | 138,886 | $5.89M | 0.03% | −3,200−2.3% | Reduced |
| Standard Life Aberdeen plc | 144,451 | $6.13M | 0.01% | +144,451 | New |
| UBS Asset Management Americas Inc | 147,606 | $6.26M | 0.00% | −5,546−3.6% | Reduced |
| Integral Health Asset Management, LLC | 150,000 | $6.36M | 0.75% | +150,000 | New |
| Polar Capital Holdings Plc | 153,952 | $6.53M | 0.04% | +153,952 | New |
| Adage Capital Partners GP, L.L.C. | 159,604 | $6.77M | 0.01% | +94,604+145.5% | Added |
| Royal Bank of Canada | 172,852 | $7.33M | 0.00% | −17,856−9.4% | Reduced |
| Frontier Capital Management Co LLC | 180,861 | $7.67M | 0.07% | −1,363−0.7% | Reduced |
| Legal & General Group Plc | 181,174 | $7.68M | 0.00% | −1,769−1.0% | Reduced |
| Rhumbline Advisers | 183,548 | $7.78M | 0.01% | −3,231−1.7% | Reduced |
| JPMorgan Chase & Co | 197,583 | $8.38M | 0.00% | +113,355+134.6% | Added |
| DAFNA Capital Management LLC | 204,208 | $8.66M | 2.05% | 00.0% | Unchanged |
| Renaissance Technologies LLC | 210,427 | $8.92M | 0.01% | −85,396−28.9% | Reduced |
| Russell Investments Group, Ltd. | 212,634 | $9.02M | 0.01% | −20,219−8.7% | Reduced |
| Beaconlight Capital, LLC | 215,615 | $9.14M | 3.76% | +94,317+77.8% | Added |
| Baillie Gifford & Co | 222,266 | $9.43M | 0.01% | −120−0.1% | Reduced |
| UBS Group AG | 225,482 | $9.56M | 0.00% | −70,305−23.8% | Reduced |
| Barclays PLC | 231,065 | $9.80M | 0.00% | −174,647−43.0% | Reduced |
| Point72 Asset Management, L.P. | 240,706 | $10.2M | 0.04% | +240,706 | New |
| Envestnet Asset Management Inc | 265,669 | $11.3M | 0.00% | +14,655+5.8% | Added |
| New York State Common Retirement Fund | 267,457 | $11.3M | 0.02% | −117,050−30.4% | Reduced |
| Silvercrest Asset Management Group LLC | 268,218 | $11.4M | 0.08% | −1,547−0.6% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 272,097 | $11.5M | 0.06% | +66,687+32.5% | Added |
| BNP Paribas Arbitrage, SA | 293,587 | $12.5M | 0.01% | +99,890+51.6% | Added |
| Invesco Ltd. | 317,585 | $13.5M | 0.00% | +114,084+56.1% | Added |
| Cubist Systematic Strategies, LLC | 320,449 | $13.6M | 0.21% | +320,449 | New |
| Citadel Advisors LLC | 347,823 | $14.8M | 0.02% | −1,460,918−80.8% | Reduced |
| Principal Financial Group Inc | 370,322 | $15.7M | 0.01% | −77,771−17.4% | Reduced |
| Assenagon Asset Management S.A. | 377,565 | $16.0M | 0.03% | +66,138+21.2% | Added |
| Jefferies Financial Group Inc. | 378,336 | $16.0M | 0.26% | +293,580+346.4% | Added |
| Bank of New York Mellon Corp | 432,562 | $18.3M | 0.00% | −61,751−12.5% | Reduced |
| Bank of America Corp | 445,610 | $18.9M | 0.00% | −187,261−29.6% | Reduced |
| Oberweis Asset Management Inc | 448,050 | $19.0M | 0.97% | +166,050+58.9% | Added |
| Nuveen Asset Management, LLC | 472,425 | $20.0M | 0.01% | +227,833+93.1% | Added |
| Kingdon Capital Management, L.L.C. | 530,000 | $22.5M | 3.30% | +161,000+43.6% | Added |
| FMR LLC | 564,880 | $24.0M | 0.00% | −328,206−36.7% | Reduced |
| Jacobs Levy Equity Management, Inc | 574,676 | $24.4M | 0.09% | −669,464−53.8% | Reduced |
| Charles Schwab Investment Management Inc | 586,063 | $24.9M | 0.00% | +18,874+3.3% | Added |