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, Q2 2022
Institutional positions in Tandem Diabetes Care Inc as of Jun 30, 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
- 331
- −41 vs. Q1 2022
- Shares held
- 61.4M
- +2.07M (+3.5%) vs. Q1 2022
- Total value
- $3.64B
- −$3.26B (−47.2%) vs. Q1 2022
- New holders
- 37
- 150 more added
- Sold out
- 78
- 110 more reduced
7 institutions that held it in Q1 2022 haven't filed for Q2 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 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, Q2 2022
Shares, value and share of portfolio for each institution holding Tandem Diabetes Care Inc; share changes are against Q1 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Westfield Capital Management Co LP | 427,838 | $25.3M | 0.20% | +83,795+24.4% | Added |
| American Century Companies Inc | 428,340 | $25.4M | 0.02% | +95,841+28.8% | Added |
| Nuveen Asset Management, LLC | 451,248 | $26.7M | 0.01% | +102,427+29.4% | Added |
| Chicago Capital, LLC | 456,003 | $27.0M | 1.49% | −6,667−1.4% | Reduced |
| First Light Asset Management, LLC | 467,555 | $27.7M | 3.22% | +32,250+7.4% | Added |
| Northern Trust Corp | 470,747 | $27.9M | 0.01% | −13,020−2.7% | Reduced |
| Charles Schwab Investment Management Inc | 503,814 | $29.8M | 0.01% | +2340.0% | Added |
| Voya Investment Management LLC | 521,731 | $30.9M | 0.08% | +4,529+0.9% | Added |
| Two Sigma Investments, LP | 524,249 | $31.0M | 0.10% | +485,667+1,258.8% | Added |
| Morgan Stanley | 531,463 | $31.5M | 0.00% | +358,364+207.0% | Added |
| Norges Bank | 619,600 | $36.7M | 0.01% | +25,598+4.3% | Added |
| Goldman Sachs Group Inc | 627,286 | $37.1M | 0.01% | −167,827−21.1% | Reduced |
| Price T Rowe Associates Inc | 635,444 | $37.6M | 0.00% | +7,747+1.2% | Added |
| Bank of New York Mellon Corp | 636,066 | $37.6M | 0.01% | +22,319+3.6% | Added |
| Macquarie Group Ltd | 661,490 | $39.2M | 0.04% | −10,251−1.5% | Reduced |
| Wellington Management Group LLP | 683,439 | $40.5M | 0.01% | −17,076−2.4% | Reduced |
| Eaton Vance Management | 696,966 | $41.3M | 0.06% | +407,148+140.5% | Added |
| Stephens Investment Management Group LLC | 838,428 | $49.6M | 0.92% | +4,459+0.5% | Added |
| Geode Capital Management, LLC | 854,931 | $50.6M | 0.01% | +688+0.1% | Added |
| RTW Investments, LP | 922,630 | $54.6M | 1.41% | −82,306−8.2% | Reduced |
| Federated Hermes, Inc. | 1,141,112 | $67.5M | 0.18% | −59,482−5.0% | Reduced |
| Bellevue Group AG | 1,315,873 | $77.9M | 1.10% | +199,365+17.9% | Added |
| Alliancebernstein L.P. | 1,354,144 | $80.2M | 0.04% | +1,262,079+1,370.9% | Added |
| Brown Capital Management LLC | 1,692,814 | $100.2M | 1.34% | +473,867+38.9% | Added |
| State Street Corp | 1,723,164 | $102.0M | 0.01% | +15,134+0.9% | Added |
| Invesco Ltd. | 2,165,811 | $128.2M | 0.04% | +85,638+4.1% | Added |
| Champlain Investment Partners, LLC | 2,639,663 | $156.2M | 1.01% | +1,098,338+71.3% | Added |
| Capital World Investors | 2,856,177 | $169.1M | 0.04% | +9,925+0.3% | Added |
| BlackRock Inc. | 6,344,383 | $375.5M | 0.01% | −186,691−2.9% | Reduced |
| Vanguard Group Inc | 6,373,593 | $377.3M | 0.01% | +66,869+1.1% | Added |
| FMR LLC | 6,466,950 | $382.8M | 0.04% | +347,352+5.7% | Added |
| Jackson Square Partners, LLC | 0 | $0 | 0.00% | −1,499,740−100.0% | Sold out |
| Point72 Asset Management, L.P. | 0 | $0 | 0.00% | −571,669−100.0% | Sold out |
| Lord, Abbett & Co. LLC | 0 | $0 | 0.00% | −480,397−100.0% | Sold out |
| Polar Asset Management Partners Inc. | 0 | $0 | 0.00% | −120,500−100.0% | Sold out |
| Balyasny Asset Management LLC | 0 | $0 | 0.00% | −102,891−100.0% | Sold out |
| Atika Capital Management LLC | 0 | $0 | 0.00% | −84,000−100.0% | Sold out |
| Castleark Management LLC | 0 | $0 | 0.00% | −78,180−100.0% | Sold out |
| Bank of Nova Scotia | 0 | $0 | 0.00% | −65,497−100.0% | Sold out |
| Cinctive Capital Management LP | 0 | $0 | 0.00% | −57,126−100.0% | Sold out |
| Altium Capital Management LP | 0 | $0 | 0.00% | −50,000−100.0% | Sold out |
| State of Tennessee, Treasury Department | 0 | $0 | 0.00% | −30,000−100.0% | Sold out |
| Susquehanna International Group, LLP | 0 | $0 | 0.00% | −29,143−100.0% | Sold out |
| PDT Partners, LLC | 0 | $0 | 0.00% | −26,756−100.0% | Sold out |
| Trexquant Investment LP | 0 | $0 | 0.00% | −26,225−100.0% | Sold out |
| Granite Point Capital Management, L.P. | 0 | $0 | 0.00% | −25,366−100.0% | Sold out |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −24,703−100.0% | Sold out |
| Calamos Advisors LLC | 0 | $0 | 0.00% | −20,349−100.0% | Sold out |
| Endurant Capital Management LP | 0 | $0 | 0.00% | −18,236−100.0% | Sold out |
| Strategic Wealth Partners, Ltd. | 0 | $0 | 0.00% | −11,508−100.0% | Sold out |
| Harbor Capital Advisors, Inc. | 0 | $0 | 0.00% | −10,729−100.0% | Sold out |
| STRS Ohio | 0 | $0 | 0.00% | −10,244−100.0% | Sold out |
| Brookfield Asset Management Inc. | 0 | $0 | 0.00% | −9,697−100.0% | Sold out |
| Diametric Capital, LP | 0 | $0 | 0.00% | −9,500−100.0% | Sold out |
| Manchester Capital Management LLC | 0 | $0 | 0.00% | −8,573−100.0% | Sold out |
| AGF Investments LLC | 0 | $0 | 0.00% | −7,859−100.0% | Sold out |
| Twinbeech Capital LP | 0 | $0 | 0.00% | −7,350−100.0% | Sold out |
| Verition Fund Management LLC | 0 | $0 | 0.00% | −6,663−100.0% | Sold out |
| Tributary Capital Management, LLC | 0 | $0 | 0.00% | −6,400−100.0% | Sold out |
| TrimTabs Asset Management, LLC | 0 | $0 | 0.00% | −6,126−100.0% | Sold out |
| Thoroughbred Financial Services, LLC | 0 | $0 | 0.00% | −5,968−100.0% | Sold out |
| Glaxis Capital Management, LLC | 0 | $0 | 0.00% | −5,000−100.0% | Sold out |
| Brinker Capital Investments, LLC | 0 | $0 | 0.00% | −4,973−100.0% | Sold out |
| Vontobel Holding Ltd. | 0 | $0 | 0.00% | −4,287−100.0% | Sold out |
| Paloma Partners Management Co | 0 | $0 | 0.00% | −3,993−100.0% | Sold out |
| Walleye Trading LLC | 0 | $0 | 0.00% | −3,409−100.0% | Sold out |
| Shelton Capital Management | 0 | $0 | 0.00% | −3,340−100.0% | Sold out |
| Sigma Planning Corp | 0 | $0 | 0.00% | −3,313−100.0% | Sold out |
| Utah Retirement Systems | 0 | $0 | 0.00% | −3,300−100.0% | Sold out |
| Profund Advisors LLC | 0 | $0 | 0.00% | −3,220−100.0% | Sold out |
| Canal Capital Management, LLC | 0 | $0 | 0.00% | −3,000−100.0% | Sold out |
| Roundview Capital LLC | 0 | $0 | 0.00% | −2,746−100.0% | Sold out |
| Occudo Quantitative Strategies LP | 0 | $0 | 0.00% | −2,684−100.0% | Sold out |
| Cetera Advisors LLC | 0 | $0 | 0.00% | −2,586−100.0% | Sold out |
| CIBC Asset Management Inc | 0 | $0 | 0.00% | −2,536−100.0% | Sold out |
| Keebeck Alpha, LP | 0 | $0 | 0.00% | −2,517−100.0% | Sold out |
| Laurel Wealth Advisors, Inc. | 0 | $0 | 0.00% | −2,432−100.0% | Sold out |
| Mackenzie Financial Corp | 0 | $0 | 0.00% | −2,200−100.0% | Sold out |
| Spearhead Capital Advisors, LLC | 0 | $0 | 0.00% | −2,198−100.0% | Sold out |
| American Trust | 0 | $0 | 0.00% | −2,163−100.0% | Sold out |
| Truist Financial Corp | 0 | $0 | 0.00% | −2,096−100.0% | Sold out |
| Los Angeles Capital Management LLC | 0 | $0 | 0.00% | −2,092−100.0% | Sold out |
| Appleton Partners Inc | 0 | $0 | 0.00% | −2,080−100.0% | Sold out |
| Western Wealth Management, LLC | 0 | $0 | 0.00% | −2,008−100.0% | Sold out |
| M&T Bank Corp | 0 | $0 | 0.00% | −1,995−100.0% | Sold out |
| Clarkston Capital Partners, LLC | 0 | $0 | 0.00% | −2,000−100.0% | Sold out |
| Bridgewater Advisors Inc. | 0 | $0 | 0.00% | −2,000−100.0% | Sold out |
| Mount Yale Investment Advisors, LLC | 0 | $0 | 0.00% | −1,946−100.0% | Sold out |
| LVW Advisors, LLC | 0 | $0 | 0.00% | −1,782−100.0% | Sold out |
| Hightower 6M Holding, LLC | 0 | $0 | 0.00% | −1,769−100.0% | Sold out |
| Derbend Asset Management | 0 | $0 | 0.00% | −1,347−100.0% | Sold out |
| Oak Thistle LLC | 0 | $0 | 0.00% | −1,738−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −1,713−100.0% | Sold out |
| Pacer Advisors, Inc. | 0 | $0 | 0.00% | −1,483−100.0% | Sold out |
| Nkcfo LLC | 0 | $0 | 0.00% | −655−100.0% | Sold out |
| Sandy Cove Advisors, LLC | 0 | $0 | 0.00% | −392−100.0% | Sold out |
| Altshuler Shaham Ltd | 0 | $0 | 0.00% | −365−100.0% | Sold out |
| Exane Derivatives | 0 | $0 | 0.00% | −280−100.0% | Sold out |
| Fortitude Advisory Group L.L.C. | 0 | $0 | 0.00% | −148−100.0% | Sold out |
| Prospera Financial Services Inc | 0 | $0 | 0.00% | −50−100.0% | Sold out |