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, Q4 2024
Institutional positions in Tandem Diabetes Care Inc as of Dec 31, 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
- 316
- −10 vs. Q3 2024
- Shares held
- 72.1M
- −803.0K (−1.1%) vs. Q3 2024
- Total value
- $2.60B
- −$494.1M (−16.0%) vs. Q3 2024
- New holders
- 42
- 138 more added
- Sold out
- 52
- 90 more reduced
6 institutions that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2024
Shares, value and share of portfolio for each institution holding Tandem Diabetes Care Inc; share changes are against Q3 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| MetLife Investment Management | 39,688 | $1.43M | 0.01% | +2,266+6.1% | Added |
| LPL Financial LLC | 48,036 | $1.73M | 0.00% | +12,099+33.7% | Added |
| Mangrove Partners | 48,741 | $1.76M | 0.21% | +28,042+135.5% | Added |
| Price T Rowe Associates Inc | 50,740 | $1.83M | 0.00% | +5,540+12.3% | Added |
| Thrivent Financial for Lutherans | 50,765 | $1.83M | 0.00% | −644−1.3% | Reduced |
| Quantinno Capital Management LP | 51,612 | $1.86M | 0.02% | +20,467+65.7% | Added |
| Susquehanna Fundamental Investments, LLC | 51,703 | $1.86M | 0.03% | +51,703 | New |
| Brevan Howard Capital Management LP | 52,841 | $1.90M | 0.05% | +30,909+140.9% | Added |
| M&T Bank Corp | 58,170 | $2.10M | 0.01% | +6,335+12.2% | Added |
| California State Teachers Retirement System | 61,237 | $2.21M | 0.00% | +127+0.2% | Added |
| Wells Fargo & Company | 61,255 | $2.21M | 0.00% | +16,163+35.8% | Added |
| Oppenheimer Asset Management Inc. | 61,704 | $2.22M | 0.03% | +2,612+4.4% | Added |
| Deutsche Bank AG | 61,771 | $2.22M | 0.00% | +19,308+45.5% | Added |
| Great West Life Assurance Co | 62,173 | $2.24M | 0.00% | 00.0% | Unchanged |
| Squarepoint Ops LLC | 63,319 | $2.28M | 0.01% | +27,389+76.2% | Added |
| Natixis Advisors, L.P. | 65,678 | $2.37M | 0.00% | +1,972+3.1% | Added |
| Cerity Partners LLC | 57,476 | $2.43M | 0.01% | −5,320−8.5% | Reduced |
| New York State Teachers Retirement System | 68,200 | $2.46M | 0.01% | −400−0.6% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 72,317 | $2.60M | 0.01% | −7,554−9.5% | Reduced |
| Amundi | 69,871 | $2.62M | 0.00% | +20,970+42.9% | Added |
| First Trust Advisors LP | 77,901 | $2.81M | 0.00% | −21,204−21.4% | Reduced |
| Mizuho Markets Americas LLC | 85,092 | $3.07M | 0.06% | +14,024+19.7% | Added |
| Banque Pictet & Cie SA | 87,286 | $3.14M | 0.03% | −8,048−8.4% | Reduced |
| Algert Global LLC | 89,536 | $3.23M | 0.08% | +52,423+141.3% | Added |
| Alliancebernstein L.P. | 93,807 | $3.38M | 0.00% | −40,640−30.2% | Reduced |
| Cubist Systematic Strategies, LLC | 93,987 | $3.39M | 0.06% | −226,462−70.7% | Reduced |
| Citigroup Inc | 95,213 | $3.43M | 0.00% | +13,183+16.1% | Added |
| Prelude Capital Management, LLC | 97,690 | $3.52M | 0.30% | +29,580+43.4% | Added |
| Voya Investment Management LLC | 98,179 | $3.54M | 0.00% | +68,599+231.9% | Added |
| Assenagon Asset Management S.A. | 98,231 | $3.54M | 0.01% | −279,334−74.0% | Reduced |
| Rice Hall James & Associates, LLC | 105,482 | $3.80M | 0.21% | +13,224+14.3% | Added |
| Gotham Asset Management, LLC | 115,876 | $4.17M | 0.04% | −4,430−3.7% | Reduced |
| Lisanti Capital Growth, LLC | 118,550 | $4.27M | 1.03% | +3,625+3.2% | Added |
| Truist Financial Corp | 119,561 | $4.31M | 0.01% | +2,434+2.1% | Added |
| SEI Investments Co | 123,807 | $4.46M | 0.01% | +93,256+305.2% | Added |
| Formula Growth Ltd | 125,965 | $4.54M | 1.54% | −2,160−1.7% | Reduced |
| Swiss National Bank | 128,700 | $4.64M | 0.00% | +2,500+2.0% | Added |
| Citadel Advisors LLC | 131,826 | $4.75M | 0.00% | −215,997−62.1% | Reduced |
| State of Wisconsin Investment Board | 142,462 | $5.13M | 0.01% | +35,875+33.7% | Added |
| Polar Capital Holdings Plc | 142,900 | $5.15M | 0.03% | −11,052−7.2% | Reduced |
| Millennium Management LLC | 151,340 | $5.45M | 0.00% | −1,283,316−89.5% | Reduced |
| Prudential Financial Inc | 174,884 | $5.72M | 0.01% | +39,784+29.4% | Added |
| Royal Bank of Canada | 162,258 | $5.84M | 0.00% | −10,594−6.1% | Reduced |
| Raymond James Financial Inc | 163,614 | $5.89M | 0.00% | +163,614 | New |
| Public Sector Pension Investment Board | 164,022 | $5.91M | 0.02% | +25,136+18.1% | Added |
| Tudor Investment Corp Et Al | 169,043 | $6.09M | 0.06% | +128,294+314.8% | Added |
| UBS Asset Management Americas Inc | 177,739 | $6.40M | 0.00% | +30,133+20.4% | Added |
| Rhumbline Advisers | 178,706 | $6.44M | 0.01% | −4,842−2.6% | Reduced |
| Freestone Grove Partners LP | 181,124 | $6.52M | 0.08% | +181,124 | New |
| Legal & General Group Plc | 182,655 | $6.58M | 0.00% | +1,481+0.8% | Added |
| KBC Group NV | 192,479 | $6.93M | 0.02% | +56,461+41.5% | Added |
| 4D Advisors, LLC | 200,000 | $7.20M | 5.05% | +200,000 | New |
| Capital Fund Management S.A. | 200,277 | $7.21M | 0.07% | +107,587+116.1% | Added |
| FIL Ltd | 201,376 | $7.25M | 0.01% | +65,984+48.7% | Added |
| Next Century Growth Investors LLC | 201,839 | $7.27M | 0.54% | −780,843−79.5% | Reduced |
| Invesco Ltd. | 204,890 | $7.38M | 0.00% | −112,695−35.5% | Reduced |
| Trexquant Investment LP | 211,206 | $7.61M | 0.09% | +73,838+53.8% | Added |
| New York State Common Retirement Fund | 212,166 | $7.64M | 0.01% | −55,291−20.7% | Reduced |
| Engineers Gate Manager LP | 222,805 | $8.03M | 0.14% | +143,702+181.7% | Added |
| DAFNA Capital Management LLC | 223,208 | $8.04M | 2.04% | +19,000+9.3% | Added |
| Standard Life Aberdeen plc | 248,864 | $8.96M | 0.02% | +104,413+72.3% | Added |
| ExodusPoint Capital Management, LP | 254,057 | $9.15M | 0.10% | +195,194+331.6% | Added |
| Envestnet Asset Management Inc | 254,063 | $9.15M | 0.00% | −11,606−4.4% | Reduced |
| Kennedy Capital Management, Inc. | 267,355 | $9.63M | 0.21% | +142,321+113.8% | Added |
| Frontier Capital Management Co LLC | 272,088 | $9.80M | 0.09% | +91,227+50.4% | Added |
| Russell Investments Group, Ltd. | 290,228 | $10.5M | 0.01% | +77,594+36.5% | Added |
| First Light Asset Management, LLC | 292,117 | $10.5M | 1.01% | −733,190−71.5% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 301,614 | $11.1M | 0.05% | +240,966+397.3% | Added |
| Renaissance Technologies LLC | 315,727 | $11.4M | 0.02% | +105,300+50.0% | Added |
| Bank of America Corp | 317,706 | $11.4M | 0.00% | −127,904−28.7% | Reduced |
| Beaconlight Capital, LLC | 331,209 | $11.9M | 4.77% | +115,594+53.6% | Added |
| Ameriprise Financial Inc | 345,681 | $12.5M | 0.00% | −525,159−60.3% | Reduced |
| Silvercrest Asset Management Group LLC | 346,565 | $12.5M | 0.08% | +78,347+29.2% | Added |
| Divisadero Street Capital Management, LP | 360,232 | $13.0M | 1.62% | −692,374−65.8% | Reduced |
| Principal Financial Group Inc | 388,347 | $14.0M | 0.01% | +18,025+4.9% | Added |
| JPMorgan Chase & Co | 392,586 | $14.1M | 0.00% | +195,003+98.7% | Added |
| Bank of New York Mellon Corp | 436,692 | $15.7M | 0.00% | +4,130+1.0% | Added |
| Barclays PLC | 476,974 | $17.2M | 0.01% | +245,909+106.4% | Added |
| Point72 Asset Management, L.P. | 495,311 | $17.8M | 0.05% | +254,605+105.8% | Added |
| Oberweis Asset Management Inc | 506,600 | $18.2M | 0.86% | +58,550+13.1% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 515,062 | $18.6M | 0.08% | +242,965+89.3% | Added |
| Nuveen Asset Management, LLC | 519,019 | $18.7M | 0.01% | +46,594+9.9% | Added |
| Victory Capital Management Inc | 565,233 | $20.4M | 0.02% | −22,014−3.7% | Reduced |
| Charles Schwab Investment Management Inc | 602,321 | $21.7M | 0.00% | +16,258+2.8% | Added |
| UBS Group AG | 626,350 | $22.6M | 0.01% | +400,868+177.8% | Added |
| Brown Capital Management LLC | 642,020 | $23.1M | 0.54% | −97,076−13.1% | Reduced |
| Goldman Sachs Group Inc | 678,490 | $24.4M | 0.00% | +57,944+9.3% | Added |
| Northern Trust Corp | 697,456 | $25.1M | 0.00% | +61,768+9.7% | Added |
| Capital International Investors | 718,038 | $25.9M | 0.00% | +79,810+12.5% | Added |
| Baillie Gifford & Co | 746,109 | $26.9M | 0.02% | +523,843+235.7% | Added |
| Capital World Investors | 767,000 | $27.6M | 0.00% | −2,498,300−76.5% | Reduced |
| Bellevue Group AG | 782,456 | $28.2M | 0.54% | −1,068,435−57.7% | Reduced |
| Kingdon Capital Management, L.L.C. | 790,547 | $28.5M | 4.87% | +260,547+49.2% | Added |
| Morgan Stanley | 847,109 | $30.5M | 0.00% | −145,602−14.7% | Reduced |
| Two Sigma Investments, LP | 861,188 | $31.0M | 0.07% | +36,475+4.4% | Added |
| Two Sigma Advisers, LP | 881,783 | $31.8M | 0.07% | −20,100−2.2% | Reduced |
| Brown Advisory Inc | 913,087 | $32.9M | 0.04% | +913,087 | New |
| Gilder Gagnon Howe & Co LLC | 931,894 | $33.6M | 0.36% | +58,920+6.7% | Added |
| Marshall Wace, LLP | 950,948 | $34.3M | 0.04% | +137,354+16.9% | Added |
| Paradice Investment Management LLC | 956,407 | $34.4M | 6.83% | +52,966+5.9% | Added |