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, Q3 2023
Institutional positions in Tandem Diabetes Care Inc as of Sep 30, 2023. 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
- 226
- −19 vs. Q2 2023
- Shares held
- 69.6M
- +2.42M (+3.6%) vs. Q2 2023
- Total value
- $1.45B
- −$204.6M (−12.4%) vs. Q2 2023
- New holders
- 26
- 80 more added
- Sold out
- 45
- 89 more reduced
2 institutions that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2023: 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, Q3 2023
Shares, value and share of portfolio for each institution holding Tandem Diabetes Care Inc; share changes are against Q2 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| State of Tennessee, Treasury Department | 38,541 | $800.5K | 0.00% | −5,083−11.7% | Reduced |
| Nomura Holdings Inc | 37,230 | $773.3K | 0.01% | −31,853−46.1% | Reduced |
| Price T Rowe Associates Inc | 34,816 | $724.0K | 0.00% | +2,787+8.7% | Added |
| Spouting Rock Asset Management, LLC | 34,832 | $723.5K | 0.23% | +2,331+7.2% | Added |
| Louisiana State Employees Retirement System | 33,100 | $687.5K | 0.02% | −800−2.4% | Reduced |
| Harbor Capital Advisors, Inc. | 32,974 | $684.9K | 0.15% | +53+0.2% | Added |
| UBS Group AG | 32,814 | $681.5K | 0.00% | −97,783−74.9% | Reduced |
| Two Sigma Securities, LLC | 32,765 | $680.5K | 0.03% | +32,765 | New |
| Yousif Capital Management, LLC | 32,498 | $675.0K | 0.01% | −2,190−6.3% | Reduced |
| Weiss Multi-Strategy Advisers LLC | 30,770 | $639.0K | 0.02% | −83,112−73.0% | Reduced |
| Royal Bank of Canada | 30,725 | $637.0K | 0.00% | −13,314−30.2% | Reduced |
| Comerica Bank | 29,844 | $619.9K | 0.00% | +29,844 | New |
| Citigroup Inc | 29,733 | $617.6K | 0.00% | −2,759−8.5% | Reduced |
| Amalgamated Bank | 29,194 | $606.0K | 0.01% | −709−2.4% | Reduced |
| Maryland State Retirement & Pension System | 28,770 | $597.6K | 0.01% | −1,207−4.0% | Reduced |
| Treasurer of the State of North Carolina | 28,293 | $588.0K | 0.00% | +140+0.5% | Added |
| HighMark Wealth Management LLC | 27,170 | $564.3K | 0.47% | +2,870+11.8% | Added |
| Capital International Inc | 26,693 | $554.4K | 0.01% | +3,065+13.0% | Added |
| Public Employees Retirement System of Ohio | 26,243 | $545.0K | 0.00% | −2,906−10.0% | Reduced |
| XTX Topco Ltd | 25,521 | $530.1K | 0.09% | −16,518−39.3% | Reduced |
| Virginia Retirement Systems Et Al | 23,600 | $490.2K | 0.00% | +4,400+22.9% | Added |
| SG Americas Securities, LLC | 23,510 | $488.0K | 0.01% | +9,751+70.9% | Added |
| BNP Paribas Arbitrage, SA | 23,028 | $478.3K | 0.00% | −4,039−14.9% | Reduced |
| LPL Financial LLC | 22,908 | $476.0K | 0.00% | −2,079−8.3% | Reduced |
| M&T Bank Corp | 22,706 | $471.5K | 0.00% | +22,706 | New |
| Ensign Peak Advisors, Inc | 22,620 | $469.8K | 0.00% | 00.0% | Unchanged |
| Capital Fund Management S.A. | 22,342 | $464.0K | 0.01% | −118,603−84.1% | Reduced |
| Advisor Group Holdings, Inc. | 21,540 | $447.3K | 0.00% | +4,832+28.9% | Added |
| Teachers Retirement System of the State of Kentucky | 21,290 | $443.0K | 0.00% | 00.0% | Unchanged |
| Voya Investment Management LLC | 21,262 | $441.6K | 0.00% | −6,526−23.5% | Reduced |
| Janney Montgomery Scott LLC | 21,224 | $441.0K | 0.00% | +2,051+10.7% | Added |
| Davy Global Fund Management Ltd | 20,180 | $419.1K | 0.09% | 00.0% | Unchanged |
| Shell Asset Management Co | 19,849 | $412.0K | 0.02% | −345−1.7% | Reduced |
| Verition Fund Management LLC | 19,638 | $407.9K | 0.01% | +8,487+76.1% | Added |
| Oregon Public Employees Retirement Fund | 19,400 | $402.9K | 0.01% | −700−3.5% | Reduced |
| HSBC Holdings PLC | 19,299 | $400.5K | 0.00% | −1,656−7.9% | Reduced |
| Bokf, NA | 22,414 | $387.8K | 0.01% | +22,414 | New |
| Arizona State Retirement System | 18,399 | $382.1K | 0.00% | +252+1.4% | Added |
| Envestnet Asset Management Inc | 18,233 | $378.7K | 0.00% | +3,675+25.2% | Added |
| Raymond James Financial Services Advisors, Inc. | 17,795 | $369.6K | 0.00% | −1,351−7.1% | Reduced |
| Apollon Wealth Management, LLC | 17,150 | $356.2K | 0.02% | +80.0% | Added |
| JB Capital LLC | 16,252 | $337.6K | 0.03% | +6,288+63.1% | Added |
| Waterfront Wealth Inc. | 16,878 | $328.6K | 0.11% | +16,878 | New |
| Bessemer Group Inc | 15,070 | $313.0K | 0.00% | +6,426+74.3% | Added |
| Pacific Capital Partners Ltd | 15,005 | $311.7K | 0.19% | +15,005 | New |
| Gotham Asset Management, LLC | 14,718 | $305.7K | 0.01% | −129,494−89.8% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 13,506 | $280.5K | 0.00% | +2,103+18.4% | Added |
| Franklin Resources Inc | 13,156 | $273.3K | 0.00% | +13,156 | New |
| Ontario Teachers Pension Plan Board | 12,771 | $265.3K | 0.00% | −27,971−68.7% | Reduced |
| Quantbot Technologies LP | 11,482 | $238.5K | 0.02% | −56,126−83.0% | Reduced |
| Mutual of America Capital Management LLC | 11,406 | $236.9K | 0.00% | −1,216−9.6% | Reduced |
| Point72 Middle East FZE | 11,348 | $235.7K | 0.01% | −956−7.8% | Reduced |
| Capital Group Investment Management Pte. Ltd. | 11,300 | $234.7K | 0.02% | 00.0% | Unchanged |
| US Bancorp | 11,296 | $234.6K | 0.00% | +498+4.6% | Added |
| Polar Capital Holdings Plc | 11,210 | $232.8K | 0.00% | 00.0% | Unchanged |
| Handelsbanken Fonder AB | 10,700 | $222.0K | 0.00% | 00.0% | Unchanged |
| Diversified Trust Co | 10,009 | $207.9K | 0.01% | −15−0.1% | Reduced |
| Commonwealth Equity Services, LLC | 9,870 | $205.0K | 0.00% | +908+10.1% | Added |
| Mercer Global Advisors Inc | 9,756 | $203.0K | 0.00% | −419−4.1% | Reduced |
| Lombard Odier Asset Management (USA) Corp | 8,225 | $171.0K | 0.03% | +8,225 | New |
| Public Employees Retirement Association of Colorado | 8,105 | $168.0K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 6,693 | $139.0K | 0.00% | −11,822−63.9% | Reduced |
| Counterpoint Mutual Funds LLC | 6,393 | $132.8K | 0.11% | +6,393 | New |
| Nisa Investment Advisors, LLC | 6,050 | $125.7K | 0.00% | 00.0% | Unchanged |
| Newbridge Financial Services Group, Inc. | 6,025 | $125.1K | 0.06% | +2,615+76.7% | Added |
| Van Eck Associates Corp | 5,433 | $113.0K | 0.00% | +280+5.4% | Added |
| Stonebridge Capital Advisors LLC | 5,400 | $112.2K | 0.01% | +5,400 | New |
| Deutsche Bank AG | 4,562 | $94.8K | 0.00% | −56,137−92.5% | Reduced |
| American International Group, Inc. | 3,843 | $79.8K | 0.00% | −408−9.6% | Reduced |
| The PNC Financial Services Group, Inc. | 3,226 | $67.0K | 0.00% | +1,099+51.7% | Added |
| Stephens Inc | 2,074 | $43.1K | 0.00% | −57−2.7% | Reduced |
| Northwestern Mutual Wealth Management Co | 1,787 | $37.1K | 0.00% | −1,753−49.5% | Reduced |
| MetLife Investment Management | 1,639 | $34.0K | 0.00% | +2+0.1% | Added |
| AdvisorNet Financial, Inc | 1,500 | $31.2K | 0.00% | 00.0% | Unchanged |
| State of Wyoming | 1,333 | $27.7K | 0.01% | +164+14.0% | Added |
| Point72 Asset Management, L.P. | 1,308 | $27.2K | 0.00% | +1,308 | New |
| Salem Investment Counselors Inc | 1,000 | $20.8K | 0.00% | 00.0% | Unchanged |
| Quadrant Capital Group LLC | 815 | $16.9K | 0.00% | −386−32.1% | Reduced |
| Global Retirement Partners, LLC | 642 | $13.1K | 0.00% | −84−11.6% | Reduced |
| NBC Securities, Inc. | 587 | $12.0K | 0.00% | +587 | New |
| GPS Wealth Strategies Group, LLC | 500 | $10.4K | 0.00% | −158−24.0% | Reduced |
| Farther Finance Advisors, LLC | 500 | $10.4K | 0.00% | −5−1.0% | Reduced |
| CWM, LLC | 450 | $9.00K | 0.00% | −25−5.3% | Reduced |
| Banque Cantonale Vaudoise | 371 | $8.00K | 0.00% | 00.0% | Unchanged |
| Toth Financial Advisory Corp | 325 | $6.75K | 0.00% | 00.0% | Unchanged |
| Allspring Global Investments Holdings, LLC | 308 | $6.40K | 0.00% | −82−21.0% | Reduced |
| Covestor Ltd | 289 | $6.00K | 0.00% | +89+44.5% | Added |
| Harbour Investments, Inc. | 266 | $5.53K | 0.00% | 00.0% | Unchanged |
| IFP Advisors, Inc | 241 | $5.01K | 0.00% | 00.0% | Unchanged |
| Beacon Capital Management, LLC | 202 | $4.96K | 0.00% | 00.0% | Unchanged |
| Fifth Third Bancorp | 234 | $4.86K | 0.00% | +52+28.6% | Added |
| First Horizon Advisors, Inc. | 199 | $4.13K | 0.00% | +199 | New |
| Parkside Financial Bank & Trust | 183 | $3.80K | 0.00% | +170+1,307.7% | Added |
| Signaturefd, LLC | 174 | $3.61K | 0.00% | +58+50.0% | Added |
| Zions Bancorporation, N.A. | 138 | $2.87K | 0.00% | 00.0% | Unchanged |
| Umb Bank N A | 134 | $2.78K | 0.00% | +50+59.5% | Added |
| Creative Planning | 125 | $2.60K | 0.00% | +125 | New |
| FinTrust Capital Advisors, LLC | 110 | $2.29K | 0.00% | −20−15.4% | Reduced |
| MCF Advisors LLC | 100 | $2.08K | 0.00% | 00.0% | Unchanged |
| Front Row Advisors LLC | 100 | $2.08K | 0.00% | 00.0% | Unchanged |