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 2022
Institutional positions in Tandem Diabetes Care Inc as of Dec 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
- 295
- +2 vs. Q3 2022
- Shares held
- 64.3M
- +2.20M (+3.5%) vs. Q3 2022
- Total value
- $2.89B
- −$85.1M (−2.9%) vs. Q3 2022
- New holders
- 50
- 110 more added
- Sold out
- 48
- 101 more reduced
6 institutions that held it in Q3 2022 haven't filed for Q4 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2022
Shares, value and share of portfolio for each institution holding Tandem Diabetes Care Inc; share changes are against Q3 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| FMR LLC | 9,642,007 | $433.4M | 0.04% | +668,816+7.5% | Added |
| BlackRock Inc. | 6,346,440 | $285.3M | 0.01% | +253,221+4.2% | Added |
| Vanguard Group Inc | 6,127,229 | $275.4M | 0.01% | −67,047−1.1% | Reduced |
| Capital World Investors | 4,850,184 | $218.0M | 0.05% | +294,581+6.5% | Added |
| Champlain Investment Partners, LLC | 3,068,863 | $137.9M | 0.88% | −55,110−1.8% | Reduced |
| Eminence Capital, LP | 2,783,473 | $125.1M | 2.32% | +1,192,686+75.0% | Added |
| Brown Capital Management LLC | 2,015,399 | $90.6M | 1.50% | +5,169+0.3% | Added |
| State Street Corp | 1,827,270 | $82.1M | 0.00% | +44,270+2.5% | Added |
| Bellevue Group AG | 1,791,450 | $80.5M | 1.07% | +225,435+14.4% | Added |
| Capital International Investors | 1,235,244 | $55.5M | 0.01% | +1,235,244 | New |
| Two Sigma Advisers, LP | 961,083 | $43.2M | 0.12% | +260,200+37.1% | Added |
| Stephens Investment Management Group LLC | 983,151 | $42.3M | 0.77% | +3,555+0.4% | Added |
| Geode Capital Management, LLC | 914,368 | $41.1M | 0.01% | +48,375+5.6% | Added |
| Marshall Wace, LLP | 881,307 | $39.6M | 0.10% | +881,307 | New |
| Two Sigma Investments, LP | 879,705 | $39.5M | 0.13% | +214,923+32.3% | Added |
| Bank of New York Mellon Corp | 639,728 | $28.8M | 0.01% | −14,080−2.2% | Reduced |
| Norges Bank | 632,948 | $28.5M | 0.01% | +24,654+4.1% | Added |
| Millennium Management LLC | 613,335 | $27.6M | 0.03% | +540,252+739.2% | Added |
| Northern Trust Corp | 596,418 | $26.8M | 0.01% | −7,619−1.3% | Reduced |
| Eagle Health Investments LP | 590,500 | $26.5M | 6.12% | +394,100+200.7% | Added |
| First Light Asset Management, LLC | 586,150 | $26.3M | 2.45% | +100,530+20.7% | Added |
| Balyasny Asset Management LLC | 580,895 | $26.1M | 0.09% | +287,375+97.9% | Added |
| AXA S.A. | 579,259 | $26.0M | 0.09% | +92,349+19.0% | Added |
| Nuveen Asset Management, LLC | 536,972 | $24.1M | 0.01% | +59,318+12.4% | Added |
| Morgan Stanley | 475,550 | $21.4M | 0.00% | +150,957+46.5% | Added |
| Octagon Capital Advisors LP | 474,929 | $21.3M | 3.32% | 00.0% | Unchanged |
| Janus Henderson Group PLC | 465,710 | $20.9M | 0.01% | +6,993+1.5% | Added |
| New York State Common Retirement Fund | 376,105 | $16.9M | 0.02% | +37,040+10.9% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 367,548 | $16.5M | 0.06% | +367,548 | New |
| Point72 Asset Management, L.P. | 359,605 | $16.2M | 0.06% | +276,867+334.6% | Added |
| Charles Schwab Investment Management Inc | 342,526 | $15.4M | 0.00% | +8,562+2.6% | Added |
| Goldman Sachs Group Inc | 341,694 | $15.4M | 0.00% | +51,072+17.6% | Added |
| Macquarie Group Ltd | 328,724 | $14.8M | 0.02% | −116,502−26.2% | Reduced |
| Chicago Capital, LLC | 328,220 | $14.8M | 0.82% | −151,653−31.6% | Reduced |
| Granite Investment Partners, LLC | 319,524 | $14.4M | 0.60% | −26,700−7.7% | Reduced |
| Soleus Capital Management, L.P. | 312,500 | $14.0M | 2.02% | −102,700−24.7% | Reduced |
| Price T Rowe Associates Inc | 290,266 | $13.0M | 0.00% | −113,679−28.1% | Reduced |
| Capital Fund Management S.A. | 289,583 | $13.0M | 0.29% | +78,414+37.1% | Added |
| Citadel Advisors LLC | 266,619 | $12.0M | 0.01% | −43,187−13.9% | Reduced |
| Baillie Gifford & Co | 263,084 | $11.8M | 0.01% | 00.0% | Unchanged |
| Principal Financial Group Inc | 254,134 | $11.4M | 0.01% | +3,473+1.4% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 240,895 | $10.8M | 0.06% | +226,171+1,536.1% | Added |
| Ameriprise Financial Inc | 215,908 | $9.69M | 0.00% | −2,686−1.2% | Reduced |
| Atika Capital Management LLC | 202,280 | $9.09M | 1.39% | +202,280 | New |
| JPMorgan Chase & Co | 201,698 | $9.07M | 0.00% | +40,695+25.3% | Added |
| Adage Capital Partners GP, L.L.C. | 200,000 | $8.99M | 0.02% | +200,000 | New |
| Rhumbline Advisers | 189,508 | $8.52M | 0.01% | +8,269+4.6% | Added |
| Coronation Fund Managers Ltd. | 185,144 | $8.32M | 0.23% | +185,144 | New |
| Peregrine Capital Management LLC | 184,897 | $8.31M | 0.26% | −5,594−2.9% | Reduced |
| Cubist Systematic Strategies, LLC | 184,596 | $8.30M | 0.07% | −482−0.3% | Reduced |
| Essex Investment Management Co LLC | 179,034 | $8.05M | 1.25% | −39,015−17.9% | Reduced |
| Nomura Holdings Inc | 168,549 | $7.57M | 0.08% | −21,651−11.4% | Reduced |
| Swiss National Bank | 155,100 | $6.97M | 0.01% | +3,400+2.2% | Added |
| D. E. Shaw & Co., Inc. | 151,995 | $6.83M | 0.01% | +129,592+578.5% | Added |
| WCM Investment Management, LLC | 150,647 | $6.77M | 0.02% | −2,204−1.4% | Reduced |
| Fred Alger Management, LLC | 145,167 | $6.53M | 0.04% | −34,506−19.2% | Reduced |
| Amundi | 154,995 | $6.51M | 0.00% | +21,420+16.0% | Added |
| Mirae Asset Global Investments Co., Ltd. | 144,890 | $6.46M | 0.02% | +39,045+36.9% | Added |
| Silvercrest Asset Management Group LLC | 140,668 | $6.32M | 0.05% | −2,169−1.5% | Reduced |
| Weiss Multi-Strategy Advisers LLC | 127,026 | $5.71M | 0.16% | +104,260+458.0% | Added |
| Skandinaviska Enskilda Banken AB (publ) | 122,595 | $5.51M | 0.04% | −62−0.1% | Reduced |
| California Public Employees Retirement System | 118,358 | $5.32M | 0.00% | −27,465−18.8% | Reduced |
| Bank of America Corp | 115,972 | $5.21M | 0.00% | −12,526−9.7% | Reduced |
| Frontier Capital Management Co LLC | 114,164 | $5.13M | 0.06% | −337−0.3% | Reduced |
| American International Group, Inc. | 100,438 | $4.51M | 0.03% | −1,211−1.2% | Reduced |
| Invesco Ltd. | 100,350 | $4.51M | 0.00% | −1,131,636−91.9% | Reduced |
| State of Wisconsin Investment Board | 99,406 | $4.47M | 0.01% | +6,051+6.5% | Added |
| Osterweis Capital Management Inc | 96,120 | $4.32M | 0.31% | −1,670−1.7% | Reduced |
| Legal & General Group Plc | 95,597 | $4.30M | 0.00% | −1,441−1.5% | Reduced |
| Alliancebernstein L.P. | 93,040 | $4.18M | 0.00% | +561+0.6% | Added |
| Deutsche Bank AG | 91,411 | $4.11M | 0.00% | +19,074+26.4% | Added |
| Altium Capital Management LP | 90,000 | $4.05M | 2.07% | +90,000 | New |
| UBS Asset Management Americas Inc | 88,368 | $3.97M | 0.00% | +5,910+7.2% | Added |
| Assenagon Asset Management S.A. | 87,512 | $3.93M | 0.02% | −202,703−69.8% | Reduced |
| Barclays PLC | 87,258 | $3.92M | 0.00% | −14,382−14.1% | Reduced |
| Retirement Systems of Alabama | 84,748 | $3.81M | 0.02% | +671+0.8% | Added |
| Credit Suisse AG | 83,183 | $3.74M | 0.00% | +16,209+24.2% | Added |
| California State Teachers Retirement System | 81,507 | $3.66M | 0.01% | +1,119+1.4% | Added |
| SEI Investments Co | 80,453 | $3.62M | 0.01% | −29,167−26.6% | Reduced |
| Bridgewater Associates, LP | 75,847 | $3.41M | 0.02% | −25,896−25.5% | Reduced |
| Victory Capital Management Inc | 75,053 | $3.37M | 0.00% | +9,573+14.6% | Added |
| Voya Investment Management LLC | 73,375 | $3.30M | 0.00% | −48,977−40.0% | Reduced |
| Lombard Odier Asset Management (Switzerland) SA | 73,089 | $3.29M | 0.26% | −79,542−52.1% | Reduced |
| Quantbot Technologies LP | 72,303 | $3.25M | 0.23% | +72,303 | New |
| Susquehanna International Group, LLP | 70,464 | $3.17M | 0.01% | +11,885+20.3% | Added |
| Squarepoint Ops LLC | 68,321 | $3.07M | 0.02% | −299,369−81.4% | Reduced |
| State Board of Administration of Florida Retirement System | 68,179 | $3.06M | 0.01% | −1,930−2.8% | Reduced |
| Qube Research & Technologies Ltd | 66,837 | $3.00M | 0.02% | +66,837 | New |
| Algert Global LLC | 65,246 | $2.93M | 0.16% | +4,065+6.6% | Added |
| New York State Teachers Retirement System | 64,095 | $2.88M | 0.01% | −825−1.3% | Reduced |
| KBC Group NV | 62,649 | $2.82M | 0.01% | +1,149+1.9% | Added |
| Great West Life Assurance Co | 60,168 | $2.71M | 0.01% | +13,610+29.2% | Added |
| Kennedy Capital Management, Inc. | 59,482 | $2.67M | 0.08% | −102,167−63.2% | Reduced |
| State of New Jersey Common Pension Fund D | 58,895 | $2.65M | 0.01% | +8,547+17.0% | Added |
| Canada Pension Plan Investment Board | 57,300 | $2.58M | 0.00% | +21,300+59.2% | Added |
| Millrace Asset Group, Inc. | 56,211 | $2.53M | 2.87% | +56,211 | New |
| Mutual of America Capital Management LLC | 52,812 | $2.37M | 0.03% | −3,750−6.6% | Reduced |
| Capital International Ltd | 52,306 | $2.35M | 0.16% | +7,218+16.0% | Added |
| Manufacturers Life Insurance Company, The | 51,798 | $2.33M | 0.00% | −286−0.5% | Reduced |
| State of Tennessee, Treasury Department | 50,000 | $2.25M | 0.01% | +50,000 | New |