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 |
|---|---|---|---|---|---|
| Voloridge Investment Management, LLC | 49,854 | $2.24M | 0.01% | −31,905−39.0% | Reduced |
| Amalgamated Bank | 49,344 | $2.22M | 0.02% | +819+1.7% | Added |
| Wells Fargo & Company | 49,077 | $2.21M | 0.00% | −5,952−10.8% | Reduced |
| Formula Growth Ltd | 47,253 | $2.12M | 0.62% | +3,500+8.0% | Added |
| BNP Paribas Arbitrage, SA | 45,549 | $2.05M | 0.01% | −9,822−17.7% | Reduced |
| HSBC Holdings PLC | 45,636 | $2.05M | 0.00% | +6,692+17.2% | Added |
| Jane Street Group, LLC | 43,988 | $1.98M | 0.00% | −304−0.7% | Reduced |
| Gotham Asset Management, LLC | 43,760 | $1.97M | 0.06% | +34,763+386.4% | Added |
| Texas Permanent School Fund | 43,185 | $1.94M | 0.03% | −3,006−6.5% | Reduced |
| MetLife Investment Management | 42,845 | $1.93M | 0.01% | −864−2.0% | Reduced |
| Capital International Sarl | 40,389 | $1.82M | 0.13% | +13,929+52.6% | Added |
| ExodusPoint Capital Management, LP | 38,463 | $1.73M | 0.03% | +25,054+186.8% | Added |
| Schonfeld Strategic Advisors LLC | 38,197 | $1.72M | 0.01% | +32,888+619.5% | Added |
| UBS Group AG | 37,661 | $1.69M | 0.00% | −27,287−42.0% | Reduced |
| Dimensional Fund Advisors LP | 37,380 | $1.68M | 0.00% | −5,491−12.8% | Reduced |
| Engineers Gate Manager LP | 36,977 | $1.66M | 0.10% | +27,467+288.8% | Added |
| Brookfield Asset Management Inc. | 34,221 | $1.54M | 0.01% | −19,939−36.8% | Reduced |
| Cinctive Capital Management LP | 33,667 | $1.51M | 0.08% | +33,667 | New |
| Royal Bank of Canada | 33,178 | $1.49M | 0.00% | −13,723−29.3% | Reduced |
| Yousif Capital Management, LLC | 33,039 | $1.49M | 0.02% | −665−2.0% | Reduced |
| Man Group plc | 32,842 | $1.48M | 0.01% | +13,429+69.2% | Added |
| Public Employees Retirement System of Ohio | 32,708 | $1.47M | 0.01% | −3,249−9.0% | Reduced |
| LPL Financial LLC | 31,016 | $1.39M | 0.00% | −8,494−21.5% | Reduced |
| Raymond James & Associates | 30,953 | $1.39M | 0.00% | +7,840+33.9% | Added |
| Allianz Asset Management GmbH | 30,368 | $1.37M | 0.00% | +175+0.6% | Added |
| PDT Partners, LLC | 29,610 | $1.33M | 0.22% | +15,850+115.2% | Added |
| Spouting Rock Asset Management, LLC | 29,368 | $1.32M | 0.98% | +5,753+24.4% | Added |
| Beacon Investment Advisory Services, Inc. | 29,124 | $1.31M | 0.07% | +2,215+8.2% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 28,925 | $1.30M | 0.01% | +3,463+13.6% | Added |
| Treasurer of the State of North Carolina | 27,693 | $1.25M | 0.01% | +350+1.3% | Added |
| Comerica Bank | 28,293 | $1.21M | 0.01% | −635−2.2% | Reduced |
| Capital International Inc | 23,628 | $1.06M | 0.02% | +4,184+21.5% | Added |
| Illinois Municipal Retirement Fund | 23,406 | $1.05M | 0.02% | 00.0% | Unchanged |
| HighMark Wealth Management LLC | 23,375 | $1.05M | 0.79% | 00.0% | Unchanged |
| Envestnet Asset Management Inc | 23,267 | $1.05M | 0.00% | −5,735−19.8% | Reduced |
| Ensign Peak Advisors, Inc | 22,570 | $1.01M | 0.00% | +5,900+35.4% | Added |
| Jump Financial, LLC | 21,749 | $977.6K | 0.05% | +14,232+189.3% | Added |
| Hawk Ridge Capital Management LP | 21,200 | $952.9K | 0.06% | +21,200 | New |
| Chartwell Investment Partners, LLC | 20,707 | $931.0K | 0.04% | −14,717−41.5% | Reduced |
| Polar Capital Holdings Plc | 20,506 | $921.7K | 0.01% | 00.0% | Unchanged |
| Apollon Wealth Management, LLC | 19,569 | $879.6K | 0.06% | −1,205−5.8% | Reduced |
| SG Americas Securities, LLC | 18,826 | $846.0K | 0.01% | +14,321+317.9% | Added |
| Oregon Public Employees Retirement Fund | 18,745 | $842.6K | 0.01% | +80+0.4% | Added |
| Natixis | 18,693 | $840.3K | 0.00% | −672−3.5% | Reduced |
| Candriam Luxembourg S.C.A. | 18,587 | $835.4K | 0.01% | −23,988−56.3% | Reduced |
| Raymond James Financial Services Advisors, Inc. | 18,430 | $828.4K | 0.00% | −743−3.9% | Reduced |
| Diversified Trust Co | 18,170 | $817.0K | 0.03% | +1,466+8.8% | Added |
| Arizona State Retirement System | 18,121 | $814.5K | 0.01% | +739+4.3% | Added |
| Simplex Trading, LLC | 18,131 | $814.0K | 0.04% | +18,131 | New |
| Davy Global Fund Management Ltd | 18,025 | $810.2K | 0.17% | 00.0% | Unchanged |
| Walleye Capital LLC | 17,477 | $785.6K | 0.02% | +8,648+97.9% | Added |
| B. Metzler seel. Sohn & Co. AG | 17,383 | $781.4K | 0.01% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 17,330 | $778.6K | 0.00% | −739−4.1% | Reduced |
| Louisiana State Employees Retirement System | 17,200 | $773.0K | 0.02% | +100+0.6% | Added |
| Thrivent Financial for Lutherans | 17,127 | $770.0K | 0.00% | −45,016−72.4% | Reduced |
| State of Michigan Retirement System | 16,345 | $734.7K | 0.01% | +200+1.2% | Added |
| Legato Capital Management LLC | 15,612 | $701.8K | 0.13% | +15,612 | New |
| Ameritas Investment Partners, Inc. | 16,714 | $697.6K | 0.03% | 00.0% | Unchanged |
| Jacobs Levy Equity Management, Inc | 15,229 | $684.5K | 0.00% | +15,229 | New |
| Kent Lake Capital LLC | 15,000 | $674.3K | 0.40% | +15,000 | New |
| Bank of Montreal | 14,619 | $657.4K | 0.00% | −2,223−13.2% | Reduced |
| 1492 Capital Management LLC | 14,571 | $655.0K | 0.42% | −422−2.8% | Reduced |
| Xponance, Inc. | 14,414 | $647.9K | 0.01% | +814+6.0% | Added |
| Mercer Global Advisors Inc | 14,266 | $641.0K | 0.00% | −1,749−10.9% | Reduced |
| Bank Julius Baer & Co. Ltd, Zurich | 13,903 | $625.0K | 0.00% | +814+6.2% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 13,892 | $624.4K | 0.00% | +13,892 | New |
| Bridge City Capital, LLC | 13,512 | $607.0K | 0.31% | −96−0.7% | Reduced |
| Janney Montgomery Scott LLC | 13,228 | $595.0K | 0.00% | +2,688+25.5% | Added |
| Pacer Advisors, Inc. | 12,328 | $554.1K | 0.00% | +5,062+69.7% | Added |
| Capital Group Investment Management Pte. Ltd. | 12,017 | $540.2K | 0.02% | +12,017 | New |
| American Century Companies Inc | 11,659 | $524.1K | 0.00% | +11,659 | New |
| Versor Investments LP | 11,602 | $521.5K | 0.04% | −3,000−20.5% | Reduced |
| US Bancorp | 11,094 | $498.7K | 0.00% | −2,250−16.9% | Reduced |
| Shell Asset Management Co | 10,773 | $484.0K | 0.02% | +8,294+334.6% | Added |
| Handelsbanken Fonder AB | 10,700 | $481.0K | 0.00% | 00.0% | Unchanged |
| Virginia Retirement Systems Et Al | 10,600 | $476.5K | 0.00% | +400+3.9% | Added |
| Occudo Quantitative Strategies LP | 10,265 | $461.4K | 0.05% | +10,265 | New |
| Federated Hermes, Inc. | 10,236 | $460.1K | 0.00% | −653,104−98.5% | Reduced |
| Point72 Middle East FZE | 10,225 | $459.6K | 0.04% | +10,225 | New |
| New Mexico Educational Retirement Board | 10,100 | $454.0K | 0.02% | 00.0% | Unchanged |
| Cetera Advisor Networks LLC | 10,050 | $451.7K | 0.00% | −2,756−21.5% | Reduced |
| Aigen Investment Management, LP | 9,893 | $444.7K | 0.06% | +9,893 | New |
| Commonwealth Equity Services, LLC | 9,744 | $437.0K | 0.00% | −2,519−20.5% | Reduced |
| Prelude Capital Management, LLC | 9,673 | $434.8K | 0.03% | −5,544−36.4% | Reduced |
| Citigroup Inc | 9,632 | $433.0K | 0.00% | −7,785−44.7% | Reduced |
| Inceptionr LLC | 9,624 | $432.6K | 0.23% | +9,624 | New |
| Teachers Retirement System of the State of Kentucky | 9,612 | $432.0K | 0.00% | 00.0% | Unchanged |
| Ontario Teachers Pension Plan Board | 9,238 | $415.2K | 0.00% | −2,842−23.5% | Reduced |
| Lattice Capital Management, LLC | 9,200 | $413.5K | 0.61% | 00.0% | Unchanged |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 9,138 | $410.8K | 0.00% | +494+5.7% | Added |
| Oak Thistle LLC | 9,090 | $408.6K | 0.88% | +9,090 | New |
| State of Alaska, Department of Revenue | 8,910 | $400.0K | 0.00% | 00.0% | Unchanged |
| Baird Financial Group, Inc. | 8,533 | $384.0K | 0.00% | −11,798−58.0% | Reduced |
| Boothbay Fund Management, LLC | 8,503 | $382.2K | 0.01% | +8,503 | New |
| AtonRa Partners | 8,416 | $378.3K | 0.48% | −3,543−29.6% | Reduced |
| Allspring Global Investments Holdings, LLC | 8,194 | $368.3K | 0.00% | +5,611+217.2% | Added |
| Public Employees Retirement Association of Colorado | 8,105 | $364.0K | 0.00% | 00.0% | Unchanged |
| Mackenzie Financial Corp | 8,047 | $361.7K | 0.00% | +8,047 | New |
| Aquatic Capital Management LLC | 7,300 | $328.0K | 0.02% | +7,300 | New |
| Pictet Asset Management SA | 7,082 | $318.0K | 0.00% | −121,508−94.5% | Reduced |