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 |
|---|---|---|---|---|---|
| Canada Pension Plan Investment Board | 57,300 | $2.58M | 0.00% | +21,300+59.2% | Added |
| State of New Jersey Common Pension Fund D | 58,895 | $2.65M | 0.01% | +8,547+17.0% | Added |
| Kennedy Capital Management, Inc. | 59,482 | $2.67M | 0.08% | −102,167−63.2% | Reduced |
| Great West Life Assurance Co | 60,168 | $2.71M | 0.01% | +13,610+29.2% | Added |
| KBC Group NV | 62,649 | $2.82M | 0.01% | +1,149+1.9% | Added |
| New York State Teachers Retirement System | 64,095 | $2.88M | 0.01% | −825−1.3% | Reduced |
| Algert Global LLC | 65,246 | $2.93M | 0.16% | +4,065+6.6% | Added |
| Qube Research & Technologies Ltd | 66,837 | $3.00M | 0.02% | +66,837 | New |
| State Board of Administration of Florida Retirement System | 68,179 | $3.06M | 0.01% | −1,930−2.8% | Reduced |
| Squarepoint Ops LLC | 68,321 | $3.07M | 0.02% | −299,369−81.4% | Reduced |
| Susquehanna International Group, LLP | 70,464 | $3.17M | 0.01% | +11,885+20.3% | Added |
| Quantbot Technologies LP | 72,303 | $3.25M | 0.23% | +72,303 | New |
| Lombard Odier Asset Management (Switzerland) SA | 73,089 | $3.29M | 0.26% | −79,542−52.1% | Reduced |
| Voya Investment Management LLC | 73,375 | $3.30M | 0.00% | −48,977−40.0% | Reduced |
| Victory Capital Management Inc | 75,053 | $3.37M | 0.00% | +9,573+14.6% | Added |
| Bridgewater Associates, LP | 75,847 | $3.41M | 0.02% | −25,896−25.5% | Reduced |
| SEI Investments Co | 80,453 | $3.62M | 0.01% | −29,167−26.6% | Reduced |
| California State Teachers Retirement System | 81,507 | $3.66M | 0.01% | +1,119+1.4% | Added |
| Credit Suisse AG | 83,183 | $3.74M | 0.00% | +16,209+24.2% | Added |
| Retirement Systems of Alabama | 84,748 | $3.81M | 0.02% | +671+0.8% | Added |
| Barclays PLC | 87,258 | $3.92M | 0.00% | −14,382−14.1% | Reduced |
| Assenagon Asset Management S.A. | 87,512 | $3.93M | 0.02% | −202,703−69.8% | Reduced |
| UBS Asset Management Americas Inc | 88,368 | $3.97M | 0.00% | +5,910+7.2% | Added |
| Altium Capital Management LP | 90,000 | $4.05M | 2.07% | +90,000 | New |
| Deutsche Bank AG | 91,411 | $4.11M | 0.00% | +19,074+26.4% | Added |
| Alliancebernstein L.P. | 93,040 | $4.18M | 0.00% | +561+0.6% | Added |
| Legal & General Group Plc | 95,597 | $4.30M | 0.00% | −1,441−1.5% | Reduced |
| Osterweis Capital Management Inc | 96,120 | $4.32M | 0.31% | −1,670−1.7% | Reduced |
| State of Wisconsin Investment Board | 99,406 | $4.47M | 0.01% | +6,051+6.5% | Added |
| Invesco Ltd. | 100,350 | $4.51M | 0.00% | −1,131,636−91.9% | Reduced |
| American International Group, Inc. | 100,438 | $4.51M | 0.03% | −1,211−1.2% | Reduced |
| Frontier Capital Management Co LLC | 114,164 | $5.13M | 0.06% | −337−0.3% | Reduced |
| Bank of America Corp | 115,972 | $5.21M | 0.00% | −12,526−9.7% | Reduced |
| California Public Employees Retirement System | 118,358 | $5.32M | 0.00% | −27,465−18.8% | Reduced |
| Skandinaviska Enskilda Banken AB (publ) | 122,595 | $5.51M | 0.04% | −62−0.1% | Reduced |
| Weiss Multi-Strategy Advisers LLC | 127,026 | $5.71M | 0.16% | +104,260+458.0% | Added |
| Silvercrest Asset Management Group LLC | 140,668 | $6.32M | 0.05% | −2,169−1.5% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 144,890 | $6.46M | 0.02% | +39,045+36.9% | Added |
| Amundi | 154,995 | $6.51M | 0.00% | +21,420+16.0% | Added |
| Fred Alger Management, LLC | 145,167 | $6.53M | 0.04% | −34,506−19.2% | Reduced |
| WCM Investment Management, LLC | 150,647 | $6.77M | 0.02% | −2,204−1.4% | Reduced |
| D. E. Shaw & Co., Inc. | 151,995 | $6.83M | 0.01% | +129,592+578.5% | Added |
| Swiss National Bank | 155,100 | $6.97M | 0.01% | +3,400+2.2% | Added |
| Nomura Holdings Inc | 168,549 | $7.57M | 0.08% | −21,651−11.4% | Reduced |
| Essex Investment Management Co LLC | 179,034 | $8.05M | 1.25% | −39,015−17.9% | Reduced |
| Cubist Systematic Strategies, LLC | 184,596 | $8.30M | 0.07% | −482−0.3% | Reduced |
| Peregrine Capital Management LLC | 184,897 | $8.31M | 0.26% | −5,594−2.9% | Reduced |
| Coronation Fund Managers Ltd. | 185,144 | $8.32M | 0.23% | +185,144 | New |
| Rhumbline Advisers | 189,508 | $8.52M | 0.01% | +8,269+4.6% | Added |
| Adage Capital Partners GP, L.L.C. | 200,000 | $8.99M | 0.02% | +200,000 | New |
| JPMorgan Chase & Co | 201,698 | $9.07M | 0.00% | +40,695+25.3% | Added |
| Atika Capital Management LLC | 202,280 | $9.09M | 1.39% | +202,280 | New |
| Ameriprise Financial Inc | 215,908 | $9.69M | 0.00% | −2,686−1.2% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 240,895 | $10.8M | 0.06% | +226,171+1,536.1% | Added |
| Principal Financial Group Inc | 254,134 | $11.4M | 0.01% | +3,473+1.4% | Added |
| Baillie Gifford & Co | 263,084 | $11.8M | 0.01% | 00.0% | Unchanged |
| Citadel Advisors LLC | 266,619 | $12.0M | 0.01% | −43,187−13.9% | Reduced |
| Capital Fund Management S.A. | 289,583 | $13.0M | 0.29% | +78,414+37.1% | Added |
| Price T Rowe Associates Inc | 290,266 | $13.0M | 0.00% | −113,679−28.1% | Reduced |
| Soleus Capital Management, L.P. | 312,500 | $14.0M | 2.02% | −102,700−24.7% | Reduced |
| Granite Investment Partners, LLC | 319,524 | $14.4M | 0.60% | −26,700−7.7% | Reduced |
| Chicago Capital, LLC | 328,220 | $14.8M | 0.82% | −151,653−31.6% | Reduced |
| Macquarie Group Ltd | 328,724 | $14.8M | 0.02% | −116,502−26.2% | Reduced |
| Goldman Sachs Group Inc | 341,694 | $15.4M | 0.00% | +51,072+17.6% | Added |
| Charles Schwab Investment Management Inc | 342,526 | $15.4M | 0.00% | +8,562+2.6% | Added |
| Point72 Asset Management, L.P. | 359,605 | $16.2M | 0.06% | +276,867+334.6% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 367,548 | $16.5M | 0.06% | +367,548 | New |
| New York State Common Retirement Fund | 376,105 | $16.9M | 0.02% | +37,040+10.9% | Added |
| Janus Henderson Group PLC | 465,710 | $20.9M | 0.01% | +6,993+1.5% | Added |
| Octagon Capital Advisors LP | 474,929 | $21.3M | 3.32% | 00.0% | Unchanged |
| Morgan Stanley | 475,550 | $21.4M | 0.00% | +150,957+46.5% | Added |
| Nuveen Asset Management, LLC | 536,972 | $24.1M | 0.01% | +59,318+12.4% | Added |
| AXA S.A. | 579,259 | $26.0M | 0.09% | +92,349+19.0% | Added |
| Balyasny Asset Management LLC | 580,895 | $26.1M | 0.09% | +287,375+97.9% | Added |
| First Light Asset Management, LLC | 586,150 | $26.3M | 2.45% | +100,530+20.7% | Added |
| Eagle Health Investments LP | 590,500 | $26.5M | 6.12% | +394,100+200.7% | Added |
| Northern Trust Corp | 596,418 | $26.8M | 0.01% | −7,619−1.3% | Reduced |
| Millennium Management LLC | 613,335 | $27.6M | 0.03% | +540,252+739.2% | Added |
| Norges Bank | 632,948 | $28.5M | 0.01% | +24,654+4.1% | Added |
| Bank of New York Mellon Corp | 639,728 | $28.8M | 0.01% | −14,080−2.2% | Reduced |
| Two Sigma Investments, LP | 879,705 | $39.5M | 0.13% | +214,923+32.3% | Added |
| Marshall Wace, LLP | 881,307 | $39.6M | 0.10% | +881,307 | New |
| Geode Capital Management, LLC | 914,368 | $41.1M | 0.01% | +48,375+5.6% | Added |
| Stephens Investment Management Group LLC | 983,151 | $42.3M | 0.77% | +3,555+0.4% | Added |
| Two Sigma Advisers, LP | 961,083 | $43.2M | 0.12% | +260,200+37.1% | Added |
| Capital International Investors | 1,235,244 | $55.5M | 0.01% | +1,235,244 | New |
| Bellevue Group AG | 1,791,450 | $80.5M | 1.07% | +225,435+14.4% | Added |
| State Street Corp | 1,827,270 | $82.1M | 0.00% | +44,270+2.5% | Added |
| Brown Capital Management LLC | 2,015,399 | $90.6M | 1.50% | +5,169+0.3% | Added |
| Eminence Capital, LP | 2,783,473 | $125.1M | 2.32% | +1,192,686+75.0% | Added |
| Champlain Investment Partners, LLC | 3,068,863 | $137.9M | 0.88% | −55,110−1.8% | Reduced |
| Capital World Investors | 4,850,184 | $218.0M | 0.05% | +294,581+6.5% | Added |
| Vanguard Group Inc | 6,127,229 | $275.4M | 0.01% | −67,047−1.1% | Reduced |
| BlackRock Inc. | 6,346,440 | $285.3M | 0.01% | +253,221+4.2% | Added |
| FMR LLC | 9,642,007 | $433.4M | 0.04% | +668,816+7.5% | Added |
| Bessemer Group Inc | 0 | $0 | 0.00% | −53−100.0% | Sold out |
| TimesSquare Capital Management, LLC | 0 | $0 | 0.00% | −546,465−100.0% | Sold out |
| Eagle Asset Management Inc | 0 | $0 | 0.00% | −520,778−100.0% | Sold out |
| Westfield Capital Management Co LP | 0 | $0 | 0.00% | −421,743−100.0% | Sold out |
| Wellington Management Group LLP | 0 | $0 | 0.00% | −328,866−100.0% | Sold out |