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 |
|---|---|---|---|---|---|
| AtonRa Partners | 8,416 | $378.3K | 0.48% | −3,543−29.6% | Reduced |
| Boothbay Fund Management, LLC | 8,503 | $382.2K | 0.01% | +8,503 | New |
| Baird Financial Group, Inc. | 8,533 | $384.0K | 0.00% | −11,798−58.0% | Reduced |
| State of Alaska, Department of Revenue | 8,910 | $400.0K | 0.00% | 00.0% | Unchanged |
| Oak Thistle LLC | 9,090 | $408.6K | 0.88% | +9,090 | New |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 9,138 | $410.8K | 0.00% | +494+5.7% | Added |
| Lattice Capital Management, LLC | 9,200 | $413.5K | 0.61% | 00.0% | Unchanged |
| Ontario Teachers Pension Plan Board | 9,238 | $415.2K | 0.00% | −2,842−23.5% | Reduced |
| Teachers Retirement System of the State of Kentucky | 9,612 | $432.0K | 0.00% | 00.0% | Unchanged |
| Inceptionr LLC | 9,624 | $432.6K | 0.23% | +9,624 | New |
| Citigroup Inc | 9,632 | $433.0K | 0.00% | −7,785−44.7% | Reduced |
| Prelude Capital Management, LLC | 9,673 | $434.8K | 0.03% | −5,544−36.4% | Reduced |
| Commonwealth Equity Services, LLC | 9,744 | $437.0K | 0.00% | −2,519−20.5% | Reduced |
| Aigen Investment Management, LP | 9,893 | $444.7K | 0.06% | +9,893 | New |
| Cetera Advisor Networks LLC | 10,050 | $451.7K | 0.00% | −2,756−21.5% | Reduced |
| New Mexico Educational Retirement Board | 10,100 | $454.0K | 0.02% | 00.0% | Unchanged |
| Point72 Middle East FZE | 10,225 | $459.6K | 0.04% | +10,225 | New |
| Federated Hermes, Inc. | 10,236 | $460.1K | 0.00% | −653,104−98.5% | Reduced |
| Occudo Quantitative Strategies LP | 10,265 | $461.4K | 0.05% | +10,265 | New |
| Virginia Retirement Systems Et Al | 10,600 | $476.5K | 0.00% | +400+3.9% | Added |
| Handelsbanken Fonder AB | 10,700 | $481.0K | 0.00% | 00.0% | Unchanged |
| Shell Asset Management Co | 10,773 | $484.0K | 0.02% | +8,294+334.6% | Added |
| US Bancorp | 11,094 | $498.7K | 0.00% | −2,250−16.9% | Reduced |
| Versor Investments LP | 11,602 | $521.5K | 0.04% | −3,000−20.5% | Reduced |
| American Century Companies Inc | 11,659 | $524.1K | 0.00% | +11,659 | New |
| Capital Group Investment Management Pte. Ltd. | 12,017 | $540.2K | 0.02% | +12,017 | New |
| Pacer Advisors, Inc. | 12,328 | $554.1K | 0.00% | +5,062+69.7% | Added |
| Janney Montgomery Scott LLC | 13,228 | $595.0K | 0.00% | +2,688+25.5% | Added |
| Bridge City Capital, LLC | 13,512 | $607.0K | 0.31% | −96−0.7% | Reduced |
| Healthcare of Ontario Pension Plan Trust Fund | 13,892 | $624.4K | 0.00% | +13,892 | New |
| Bank Julius Baer & Co. Ltd, Zurich | 13,903 | $625.0K | 0.00% | +814+6.2% | Added |
| Mercer Global Advisors Inc | 14,266 | $641.0K | 0.00% | −1,749−10.9% | Reduced |
| Xponance, Inc. | 14,414 | $647.9K | 0.01% | +814+6.0% | Added |
| 1492 Capital Management LLC | 14,571 | $655.0K | 0.42% | −422−2.8% | Reduced |
| Bank of Montreal | 14,619 | $657.4K | 0.00% | −2,223−13.2% | Reduced |
| Kent Lake Capital LLC | 15,000 | $674.3K | 0.40% | +15,000 | New |
| Jacobs Levy Equity Management, Inc | 15,229 | $684.5K | 0.00% | +15,229 | New |
| Ameritas Investment Partners, Inc. | 16,714 | $697.6K | 0.03% | 00.0% | Unchanged |
| Legato Capital Management LLC | 15,612 | $701.8K | 0.13% | +15,612 | New |
| State of Michigan Retirement System | 16,345 | $734.7K | 0.01% | +200+1.2% | Added |
| Thrivent Financial for Lutherans | 17,127 | $770.0K | 0.00% | −45,016−72.4% | Reduced |
| Louisiana State Employees Retirement System | 17,200 | $773.0K | 0.02% | +100+0.6% | Added |
| Advisor Group Holdings, Inc. | 17,330 | $778.6K | 0.00% | −739−4.1% | Reduced |
| B. Metzler seel. Sohn & Co. AG | 17,383 | $781.4K | 0.01% | 00.0% | Unchanged |
| Walleye Capital LLC | 17,477 | $785.6K | 0.02% | +8,648+97.9% | Added |
| Davy Global Fund Management Ltd | 18,025 | $810.2K | 0.17% | 00.0% | Unchanged |
| Simplex Trading, LLC | 18,131 | $814.0K | 0.04% | +18,131 | New |
| Arizona State Retirement System | 18,121 | $814.5K | 0.01% | +739+4.3% | Added |
| Diversified Trust Co | 18,170 | $817.0K | 0.03% | +1,466+8.8% | Added |
| Raymond James Financial Services Advisors, Inc. | 18,430 | $828.4K | 0.00% | −743−3.9% | Reduced |
| Candriam Luxembourg S.C.A. | 18,587 | $835.4K | 0.01% | −23,988−56.3% | Reduced |
| Natixis | 18,693 | $840.3K | 0.00% | −672−3.5% | Reduced |
| Oregon Public Employees Retirement Fund | 18,745 | $842.6K | 0.01% | +80+0.4% | Added |
| SG Americas Securities, LLC | 18,826 | $846.0K | 0.01% | +14,321+317.9% | Added |
| Apollon Wealth Management, LLC | 19,569 | $879.6K | 0.06% | −1,205−5.8% | Reduced |
| Polar Capital Holdings Plc | 20,506 | $921.7K | 0.01% | 00.0% | Unchanged |
| Chartwell Investment Partners, LLC | 20,707 | $931.0K | 0.04% | −14,717−41.5% | Reduced |
| Hawk Ridge Capital Management LP | 21,200 | $952.9K | 0.06% | +21,200 | New |
| Jump Financial, LLC | 21,749 | $977.6K | 0.05% | +14,232+189.3% | Added |
| Ensign Peak Advisors, Inc | 22,570 | $1.01M | 0.00% | +5,900+35.4% | Added |
| Envestnet Asset Management Inc | 23,267 | $1.05M | 0.00% | −5,735−19.8% | Reduced |
| HighMark Wealth Management LLC | 23,375 | $1.05M | 0.79% | 00.0% | Unchanged |
| Illinois Municipal Retirement Fund | 23,406 | $1.05M | 0.02% | 00.0% | Unchanged |
| Capital International Inc | 23,628 | $1.06M | 0.02% | +4,184+21.5% | Added |
| Comerica Bank | 28,293 | $1.21M | 0.01% | −635−2.2% | Reduced |
| Treasurer of the State of North Carolina | 27,693 | $1.25M | 0.01% | +350+1.3% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 28,925 | $1.30M | 0.01% | +3,463+13.6% | Added |
| Beacon Investment Advisory Services, Inc. | 29,124 | $1.31M | 0.07% | +2,215+8.2% | Added |
| Spouting Rock Asset Management, LLC | 29,368 | $1.32M | 0.98% | +5,753+24.4% | Added |
| PDT Partners, LLC | 29,610 | $1.33M | 0.22% | +15,850+115.2% | Added |
| Allianz Asset Management GmbH | 30,368 | $1.37M | 0.00% | +175+0.6% | Added |
| Raymond James & Associates | 30,953 | $1.39M | 0.00% | +7,840+33.9% | Added |
| LPL Financial LLC | 31,016 | $1.39M | 0.00% | −8,494−21.5% | Reduced |
| Public Employees Retirement System of Ohio | 32,708 | $1.47M | 0.01% | −3,249−9.0% | Reduced |
| Man Group plc | 32,842 | $1.48M | 0.01% | +13,429+69.2% | Added |
| Yousif Capital Management, LLC | 33,039 | $1.49M | 0.02% | −665−2.0% | Reduced |
| Royal Bank of Canada | 33,178 | $1.49M | 0.00% | −13,723−29.3% | Reduced |
| Cinctive Capital Management LP | 33,667 | $1.51M | 0.08% | +33,667 | New |
| Brookfield Asset Management Inc. | 34,221 | $1.54M | 0.01% | −19,939−36.8% | Reduced |
| Engineers Gate Manager LP | 36,977 | $1.66M | 0.10% | +27,467+288.8% | Added |
| Dimensional Fund Advisors LP | 37,380 | $1.68M | 0.00% | −5,491−12.8% | Reduced |
| UBS Group AG | 37,661 | $1.69M | 0.00% | −27,287−42.0% | Reduced |
| Schonfeld Strategic Advisors LLC | 38,197 | $1.72M | 0.01% | +32,888+619.5% | Added |
| ExodusPoint Capital Management, LP | 38,463 | $1.73M | 0.03% | +25,054+186.8% | Added |
| Capital International Sarl | 40,389 | $1.82M | 0.13% | +13,929+52.6% | Added |
| MetLife Investment Management | 42,845 | $1.93M | 0.01% | −864−2.0% | Reduced |
| Texas Permanent School Fund | 43,185 | $1.94M | 0.03% | −3,006−6.5% | Reduced |
| Gotham Asset Management, LLC | 43,760 | $1.97M | 0.06% | +34,763+386.4% | Added |
| Jane Street Group, LLC | 43,988 | $1.98M | 0.00% | −304−0.7% | Reduced |
| HSBC Holdings PLC | 45,636 | $2.05M | 0.00% | +6,692+17.2% | Added |
| BNP Paribas Arbitrage, SA | 45,549 | $2.05M | 0.01% | −9,822−17.7% | Reduced |
| Formula Growth Ltd | 47,253 | $2.12M | 0.62% | +3,500+8.0% | Added |
| Wells Fargo & Company | 49,077 | $2.21M | 0.00% | −5,952−10.8% | Reduced |
| Amalgamated Bank | 49,344 | $2.22M | 0.02% | +819+1.7% | Added |
| Voloridge Investment Management, LLC | 49,854 | $2.24M | 0.01% | −31,905−39.0% | Reduced |
| State of Tennessee, Treasury Department | 50,000 | $2.25M | 0.01% | +50,000 | New |
| Manufacturers Life Insurance Company, The | 51,798 | $2.33M | 0.00% | −286−0.5% | Reduced |
| Capital International Ltd | 52,306 | $2.35M | 0.16% | +7,218+16.0% | Added |
| Mutual of America Capital Management LLC | 52,812 | $2.37M | 0.03% | −3,750−6.6% | Reduced |
| Millrace Asset Group, Inc. | 56,211 | $2.53M | 2.87% | +56,211 | New |