Fund shareholders of Tandem Diabetes Care Inc
ISIN US8753722037 · United States · LEI 549300JEPFOD0K4D3I05
- Fund shareholders
- 216
- Of which ETFs
- 52 164 other funds
- Value held
- 530.6M $
- Share of capital
- 37.9 % of 69.6M shares on Aug 3, 2026
216 funds hold this company. This table lists the 214 that declare it in a regulatory filing. The other 2 publish their holdings in their own reports. They are not in the table.
| Fund | Shares | Value | Weight in fund | Share of capital | |
|---|---|---|---|---|---|
| STATE STREET SMALL/MID CAP EQUITY INDEX PORTFOLIO STATE STREET INSTITUTIONAL INVESTMENT TRUST | 23,592 | 452.3K $ | 0.02 % | 0.03 % | as of Mar 31, 2026 ↗ |
| Small Cap Stock Index Portfolio BNY MELLON INVESTMENT PORTFOLIOS | 23,582 | 452.1K $ | 0.08 % | 0.03 % | as of Mar 31, 2026 ↗ |
| MetLife Russell 2000 Index Portfolio Brighthouse Funds Trust II | 23,352 | 447.7K $ | 0.05 % | 0.03 % | as of Mar 31, 2026 ↗ |
| Index 600 Stock Portfolio NORTHWESTERN MUTUAL SERIES FUND INC | 23,197 | 444.7K $ | 0.08 % | 0.03 % | as of Mar 31, 2026 ↗ |
| Fidelity Nasdaq Composite Index ETF Fidelity Commonwealth Trust | 22,897 | 579.3K $ | 0.01 % | 0.03 % | as of Feb 28, 2026 ↗ |
| Global X HealthTech ETF GLOBAL X FUNDS | 22,716 | 574.7K $ | 1.62 % | 0.03 % | as of Feb 28, 2026 ↗ |
| Voya MI Dynamic SMID Cap Fund Voya Equity Trust | 22,561 | 570.8K $ | 0.43 % | 0.03 % | as of Feb 28, 2026 ↗ |
| Inspire Small/Mid Cap ETF Northern Lights Fund Trust IV | 21,774 | 550.9K $ | 0.21 % | 0.03 % | as of Feb 28, 2026 ↗ |
| ATM Small Cap Managed Volatility Portfolio EQ Advisors Trust | 21,125 | 405K $ | 0.04 % | 0.03 % | as of Mar 31, 2026 ↗ |
| Diversified Equity Master Portfolio Master Investment Portfolio | 19,919 | 381.8K $ | 0.01 % | 0.03 % | as of Mar 31, 2026 ↗ |
| AZL Small Cap Stock Index Fund Allianz Variable Insurance Products Trust | 18,761 | 359.6K $ | 0.09 % | 0.03 % | as of Mar 31, 2026 ↗ |
| Small-Cap Index Portfolio PACIFIC SELECT FUND | 17,961 | 344.3K $ | 0.04 % | 0.03 % | as of Mar 31, 2026 ↗ |
| First Trust Multi Cap Growth AlphaDEX Fund First Trust Exchange-Traded AlphaDEX Fund | 16,720 | 326.5K $ | 0.07 % | 0.02 % | as of Apr 30, 2026 ↗ |
| iShares Russell 3000 ETF iShares Trust | 16,571 | 317.7K $ | 0.00 % | 0.02 % | as of Mar 31, 2026 ↗ |
| Venerable US Small Cap Fund Venerable Variable Insurance Trust | 15,807 | 303K $ | 0.22 % | 0.02 % | as of Mar 31, 2026 ↗ |
| Blackstone Alternative Multi-Strategy Fund Blackstone Alternative Investment Funds | 14,200 | 272.2K $ | 0.01 % | 0.02 % | as of Mar 31, 2026 ↗ |
| NVIT Small Cap Index Fund Nationwide Variable Insurance Trust | 13,497 | 258.7K $ | 0.04 % | 0.02 % | as of Mar 31, 2026 ↗ |
| Counterpoint Tactical Equity Fund NORTHERN LIGHTS FUND TRUST III | 12,679 | 243.1K $ | 0.04 % | 0.02 % | as of Mar 31, 2026 ↗ |
| Small Cap Index Trust John Hancock Variable Insurance Trust | 12,301 | 235.8K $ | 0.04 % | 0.02 % | as of Mar 31, 2026 ↗ |
| State Street(R) SPDR(R) Portfolio S&P 1500(R) Composite Stock Market ETF SPDR SERIES TRUST | 12,212 | 234.1K $ | 0.00 % | 0.02 % | as of Mar 31, 2026 ↗ |
| iShares Morningstar Small-Cap Growth ETF iShares Trust | 11,246 | 219.6K $ | 0.02 % | 0.02 % | as of Apr 30, 2026 ↗ |
| VANGUARD ESG U.S. STOCK ETF VANGUARD WORLD FUND | 11,150 | 282.1K $ | 0.00 % | 0.02 % | as of Feb 28, 2026 ↗ |
| LVIP JPMorgan Small Cap Core Fund LINCOLN VARIABLE INSURANCE PRODUCTS TRUST | 10,420 | 199.8K $ | 0.10 % | 0.01 % | as of Mar 31, 2026 ↗ |
| Fidelity Flex Small Cap Index Fund Fidelity Salem Street Trust | 10,289 | 200.9K $ | 0.05 % | 0.01 % | as of Apr 30, 2026 ↗ |
| iShares Russell Small/Mid-Cap Index Fund BlackRock Funds | 10,129 | 197.8K $ | 0.02 % | 0.01 % | as of Apr 30, 2026 ↗ |
| Dunham Small Cap Growth Fund Dunham Funds | 10,094 | 197.1K $ | 0.23 % | 0.01 % | as of Apr 30, 2026 ↗ |
| Goldman Sachs Innovate Equity ETF Goldman Sachs ETF Trust | 9,722 | 246K $ | 0.12 % | 0.01 % | as of Feb 28, 2026 ↗ |
| SIIT EXTENDED MARKET INDEX FUND SEI INSTITUTIONAL INVESTMENTS TRUST | 9,700 | 245.4K $ | 0.02 % | 0.01 % | as of Feb 28, 2026 ↗ |
| DWS Small Cap Index VIP DEUTSCHE DWS INVESTMENTS VIT FUNDS | 9,485 | 181.8K $ | 0.04 % | 0.01 % | as of Mar 31, 2026 ↗ |
| EQ/Morgan Stanley Small Cap Growth Portfolio EQ Advisors Trust | 9,302 | 178.3K $ | 0.05 % | 0.01 % | as of Mar 31, 2026 ↗ |
| Intech S&P Small-Mid Cap Diversified Alpha ETF Tidal Trust III | 8,397 | 164K $ | 0.13 % | 0.01 % | as of Apr 30, 2026 ↗ |
| BlackRock Small Cap Index V.I. Fund BlackRock Variable Series Funds, Inc. | 8,131 | 155.9K $ | 0.04 % | 0.01 % | as of Mar 31, 2026 ↗ |
| T. Rowe Price Small-Cap Index Fund T. ROWE PRICE INDEX TRUST, INC. | 8,112 | 155.5K $ | 0.04 % | 0.01 % | as of Mar 31, 2026 ↗ |
| MOA SMALL CAP EQUITY INDEX FUND MoA Funds Corp | 7,759 | 148.7K $ | 0.08 % | 0.01 % | as of Mar 31, 2026 ↗ |
| Multi-Manager U.S. Small Cap Equity Fund Goldman Sachs Trust II | 7,744 | 151.2K $ | 0.04 % | 0.01 % | as of Apr 30, 2026 ↗ |
| Victory Extended Market Index Fund Victory Portfolios III | 7,738 | 151.1K $ | 0.02 % | 0.01 % | as of Apr 30, 2026 ↗ |
| VIP Disciplined Small Cap Portfolio Variable Insurance Products Fund II | 7,623 | 146.1K $ | 0.03 % | 0.01 % | as of Mar 31, 2026 ↗ |
| SA Small Cap Index Portfolio SUNAMERICA SERIES TRUST | 7,524 | 146.9K $ | 0.04 % | 0.01 % | as of Apr 30, 2026 ↗ |
| Voya RussellTM Small Cap Index Portfolio Voya VARIABLE PORTFOLIOS INC | 7,496 | 143.7K $ | 0.04 % | 0.01 % | as of Mar 31, 2026 ↗ |
| U.S. Small Cap Equity Fund RUSSELL INVESTMENT FUNDS | 7,229 | 138.6K $ | 0.07 % | 0.01 % | as of Mar 31, 2026 ↗ |
| PRAXIS SMALL CAP INDEX FUND Praxis Mutual Funds | 7,138 | 136.8K $ | 0.07 % | 0.01 % | as of Mar 31, 2026 ↗ |
| VY(R) JPMORGAN SMALL CAP CORE EQUITY PORTFOLIO Voya Investors Trust | 6,833 | 131K $ | 0.05 % | 0.01 % | as of Mar 31, 2026 ↗ |
| iShares Morningstar Small-Cap Value ETF iShares Trust | 6,569 | 128.3K $ | 0.02 % | 0.01 % | as of Apr 30, 2026 ↗ |
| iShares ESG Select Screened S&P Small-Cap ETF iShares Trust | 6,241 | 119.6K $ | 0.10 % | 0.01 % | as of Mar 31, 2026 ↗ |
| Small Cap Core Fund Northern Funds | 6,218 | 119.2K $ | 0.03 % | 0.01 % | as of Mar 31, 2026 ↗ |
| CVT Russell 2000 Small Cap Index Portfolio Calvert Variable Trust, Inc. | 5,586 | 107.1K $ | 0.04 % | 0.01 % | as of Mar 31, 2026 ↗ |
| Nationwide Small Cap Index Fund Nationwide Mutual Funds | 5,459 | 106.6K $ | 0.04 % | 0.01 % | as of Apr 30, 2026 ↗ |
| VANGUARD RUSSELL 3000 INDEX FUND VANGUARD SCOTTSDALE FUNDS | 5,414 | 137K $ | 0.00 % | 0.01 % | as of Feb 28, 2026 ↗ |
| LISANTI SMALL CAP GROWTH FUND FORUM FUNDS | 5,335 | 102.3K $ | 0.73 % | 0.01 % | as of Mar 31, 2026 ↗ |
| iShares MSCI World Small-Cap ETF iShares Trust | 5,250 | 132.8K $ | 0.02 % | 0.01 % | as of Feb 28, 2026 ↗ |
| Venerable Small Cap Index Fund Venerable Variable Insurance Trust | 5,158 | 98.9K $ | 0.04 % | 0.01 % | as of Mar 31, 2026 ↗ |
| PD Small-Cap Growth Index Portfolio PACIFIC SELECT FUND | 5,029 | 96.4K $ | 0.08 % | 0.01 % | as of Mar 31, 2026 ↗ |
| Strategic Equity Allocation Trust John Hancock Variable Insurance Trust | 4,718 | 90.4K $ | 0.00 % | 0.01 % | as of Mar 31, 2026 ↗ |
| VIP Extended Market Index Portfolio Variable Insurance Products Fund II | 4,527 | 86.8K $ | 0.02 % | 0.01 % | as of Mar 31, 2026 ↗ |
| Virtus Small-Cap Fund Virtus Investment Trust | 4,400 | 84.3K $ | 0.08 % | 0.01 % | as of Mar 31, 2026 ↗ |
| SmallCap Growth Fund I Principal Funds, Inc | 4,256 | 83.1K $ | 0.00 % | 0.01 % | as of Apr 30, 2026 ↗ |
| Voya VACS Index Series SC Portfolio Voya VARIABLE PORTFOLIOS INC | 4,230 | 81.1K $ | 0.04 % | 0.01 % | as of Mar 31, 2026 ↗ |
| iShares Total U.S. Stock Market Index Fund BlackRock Funds | 4,223 | 82.5K $ | 0.00 % | 0.01 % | as of Apr 30, 2026 ↗ |
| SA Multi-Managed Small Cap Portfolio SEASONS SERIES TRUST | 4,201 | 80.5K $ | 0.06 % | 0.01 % | as of Mar 31, 2026 ↗ |
| ProShares Ultra Russell2000 ProShares Trust | 4,197 | 106.2K $ | 0.04 % | 0.01 % | as of Feb 28, 2026 ↗ |
| ProShares UltraPro Russell2000 ProShares Trust | 4,189 | 106K $ | 0.03 % | 0.01 % | as of Feb 28, 2026 ↗ |
| Invesco Russell 2000 Dynamic Multifactor ETF Invesco Exchange-Traded Self-Indexed Fund Trust | 3,748 | 94.8K $ | 0.03 % | 0.01 % | as of Feb 28, 2026 ↗ |
| Invesco NASDAQ Future Gen 200 ETF Invesco Exchange-Traded Fund Trust II | 3,148 | 79.6K $ | 0.57 % | 0.00 % | as of Feb 28, 2026 ↗ |
| Steward Values Enhanced Small-Mid Cap Fund Steward Funds Inc | 3,127 | 61.1K $ | 0.03 % | 0.00 % | as of Apr 30, 2026 ↗ |
| Multimanager Aggressive Equity Portfolio EQ Advisors Trust | 3,100 | 59.4K $ | 0.00 % | 0.00 % | as of Mar 31, 2026 ↗ |
| ProShares Russell 2000 High Income ETF ProShares Trust | 2,936 | 74.3K $ | 0.05 % | 0.00 % | as of Feb 28, 2026 ↗ |
| iShares Morningstar Small-Cap ETF iShares Trust | 2,916 | 56.9K $ | 0.02 % | 0.00 % | as of Apr 30, 2026 ↗ |
| Morgan Stanley Pathway Small-Mid Cap Equity ETF MORGAN STANLEY PATHWAY FUNDS | 2,843 | 71.9K $ | 0.01 % | 0.00 % | as of Feb 28, 2026 ↗ |
| FlexShares Morningstar US Market Factor Tilt Index Fund FlexShares Trust | 2,464 | 48.1K $ | 0.00 % | 0.00 % | as of Apr 30, 2026 ↗ |
| S&P SmallCap Index Fund SHELTON FUNDS | 2,401 | 60.7K $ | 0.11 % | 0.00 % | as of Feb 28, 2026 ↗ |
| Innovator U.S. Small Cap Managed Floor ETF Innovator ETFs Trust | 2,331 | 45.5K $ | 0.06 % | 0.00 % | as of Apr 30, 2026 ↗ |
| EQ/Franklin Small Cap Value Managed Volatility Portfolio EQ Advisors Trust | 2,158 | 41.4K $ | 0.02 % | 0.00 % | as of Mar 31, 2026 ↗ |
| Penn Series Small Cap Index Fund Penn Series Funds Inc | 1,900 | 36.4K $ | 0.05 % | 0.00 % | as of Mar 31, 2026 ↗ |
| AVIP BlackRock Advantage Small Cap Growth Portfolio AuguStar Variable Insurance Products Fund Inc | 1,645 | 31.5K $ | 0.03 % | 0.00 % | as of Mar 31, 2026 ↗ |
| VIP Total Market Index Portfolio Variable Insurance Products Fund II | 1,621 | 31.1K $ | 0.00 % | 0.00 % | as of Mar 31, 2026 ↗ |
| State Street Total Return V.I.S. Fund STATE STREET VARIABLE INSURANCE SERIES FUNDS INC | 1,601 | 30.7K $ | 0.00 % | 0.00 % | as of Mar 31, 2026 ↗ |
| TIAA Separate Account VA-1 - Stock Index Account TIAA Separate Account VA-1 | 1,480 | 28.4K $ | 0.00 % | 0.00 % | as of Mar 31, 2026 ↗ |
| Nationwide Fundamental All Cap Equity Portfolio Nationwide Mutual Funds | 1,362 | 26.6K $ | 0.00 % | 0.00 % | as of Apr 30, 2026 ↗ |
| Total Stock Market Index Trust John Hancock Variable Insurance Trust | 1,085 | 20.8K $ | 0.00 % | 0.00 % | as of Mar 31, 2026 ↗ |
| Nuveen Life Stock Index Fund TIAA-CREF Life Funds | 1,069 | 20.5K $ | 0.00 % | 0.00 % | as of Mar 31, 2026 ↗ |
| First Trust Nasdaq Lux Digital Health Solutions ETF First Trust Exchange-Traded Fund II | 915 | 17.5K $ | 0.72 % | 0.00 % | as of Mar 31, 2026 ↗ |
| State Street(R) SPDR(R) Portfolio MSCI Global Stock Market ETF SPDR INDEX SHARES FUNDS | 844 | 16.2K $ | 0.00 % | 0.00 % | as of Mar 31, 2026 ↗ |
| ULTRA SMALL CAP PROFUND ProFunds | 764 | 14.9K $ | 0.03 % | 0.00 % | as of Apr 30, 2026 ↗ |
| PROFUND VP SMALLCAP GROWTH ProFunds | 757 | 14.5K $ | 0.10 % | 0.00 % | as of Mar 31, 2026 ↗ |
| PROFUND VP SMALLCAP VALUE ProFunds | 751 | 14.4K $ | 0.07 % | 0.00 % | as of Mar 31, 2026 ↗ |
| ProShares Ultra SmallCap600 ProShares Trust | 743 | 18.8K $ | 0.08 % | 0.00 % | as of Feb 28, 2026 ↗ |
| SA T. Rowe Price Allocation Moderately Aggressive Portfolio SUNAMERICA SERIES TRUST | 733 | 14.3K $ | 0.00 % | 0.00 % | as of Apr 30, 2026 ↗ |
| SIIT MULTI-ASSET REAL RETURN FUND SEI INSTITUTIONAL INVESTMENTS TRUST | 721 | 18.2K $ | 0.00 % | 0.00 % | as of Feb 28, 2026 ↗ |
| State Street(R) SPDR(R) S&P SmallCap 600 ESG ETF SPDR SERIES TRUST | 539 | 10.3K $ | 0.14 % | 0.00 % | as of Mar 31, 2026 ↗ |
| American Century Small Cap Growth Insights ETF American Century ETF Trust | 486 | 12.3K $ | 0.14 % | 0.00 % | as of Feb 28, 2026 ↗ |
| Langar Global Health Tech ETF SPINNAKER ETF SERIES | 479 | 9.2K $ | 0.26 % | 0.00 % | as of Mar 31, 2026 ↗ |
| State Street Balanced Index Fund STATE STREET INSTITUTIONAL INVESTMENT TRUST | 394 | 7.6K $ | 0.00 % | 0.00 % | as of Mar 31, 2026 ↗ |
| Avantis Total Equity Markets ETF American Century ETF Trust | 390 | 9.9K $ | 0.00 % | 0.00 % | as of Feb 28, 2026 ↗ |
| Innovator U.S. Small Cap Managed 10 Buffer ETF Innovator ETFs Trust | 378 | 7.4K $ | 0.10 % | 0.00 % | as of Apr 30, 2026 ↗ |
| Knights of Columbus U.S. ALL CAP INDEX FUND ADVISORS' INNER CIRCLE III | 363 | 7.1K $ | 0.00 % | 0.00 % | as of Apr 30, 2026 ↗ |
| Wilshire 5000 Index Fund Wilshire Mutual Funds Inc | 348 | 6.7K $ | 0.00 % | 0.00 % | as of Mar 31, 2026 ↗ |
| Goldman Sachs Absolute Return Tracker Fund GOLDMAN SACHS TRUST | 335 | 6.4K $ | 0.00 % | 0.00 % | as of Mar 31, 2026 ↗ |
| Russell 2000 2x Strategy Fund Rydex Dynamic Funds | 332 | 6.4K $ | 0.01 % | 0.00 % | as of Mar 31, 2026 ↗ |
| State Street(R) SPDR(R) S&P(R) 1500 Value Tilt ETF SPDR SERIES TRUST | 270 | 5.2K $ | 0.00 % | 0.00 % | as of Mar 31, 2026 ↗ |
| PROFUND VP ULTRA SMALL CAP ProFunds | 227 | 4.4K $ | 0.03 % | 0.00 % | as of Mar 31, 2026 ↗ |
The funds most exposed to it
The weight is the share of a fund's net assets. The holders table ranks funds by number of shares. This one ranks them by the weight of the company in each fund.
| Fund | Weight in fund | |
|---|---|---|
| Meridian Small Cap Growth Fund Meridian Fund Inc | 2.23 % | as of Mar 31, 2026 ↗ |
| Meridian Growth Fund Meridian Fund Inc | 1.95 % | as of Mar 31, 2026 ↗ |
| Global X HealthTech ETF GLOBAL X FUNDS | 1.62 % | as of Feb 28, 2026 ↗ |
| State Street(R) SPDR(R) S&P(R) Health Care Equipment ETF SPDR SERIES TRUST | 1.51 % | as of Mar 31, 2026 ↗ |
| Edmond de Rothschild Fund - Healthcare Edmond de Rothschild Asset Management (Luxembourg) | 1.13 % | as of Mar 31, 2025 ↗ |
| Driehaus Micro Cap Growth Fund Driehaus Mutual Funds | 1.07 % | as of Mar 31, 2026 ↗ |
| Voya MI Dynamic Small Cap Fund Voya Equity Trust | 1.03 % | as of Feb 28, 2026 ↗ |
| Invesco S&P SmallCap Health Care ETF Invesco Exchange-Traded Fund Trust II | 1.02 % | as of Feb 28, 2026 ↗ |
| PGIM Jennison Health Sciences Fund Prudential Sector Funds, Inc. | 0.86 % | as of Feb 27, 2026 ↗ |
| SMALL COMPANY GROWTH PORTFOLIO VANGUARD VARIABLE INSURANCE FUNDS | 0.85 % | as of Mar 31, 2026 ↗ |
Quarter after quarter
Each row is one quarter of SEC filings, newest first. The change compares each quarter with the one before.
| Quarter | Shareholders | Change | Shares | Change |
|---|---|---|---|---|
| 2026Q2 | 214 | +13 | 26,364,172 | +2.6 % |
| 2026Q1 | 201 | -1 | 25,696,614 | -6.0 % |
| 2025Q4 | 202 | -25 | 27,324,371 | -9.2 % |
| 2025Q3 | 227 | -4 | 30,099,191 | +0.9 % |
| 2025Q2 | 231 | -6 | 29,840,675 | -3.4 % |
| 2025Q1 | 237 | -6 | 30,889,429 | -5.5 % |
| 2024Q4 | 243 | -21 | 32,677,163 | +1.2 % |
| 2024Q3 | 264 | +14 | 32,278,198 | +0.4 % |
| 2024Q2 | 250 | -3 | 32,160,648 | -3.1 % |
| 2024Q1 | 253 | -9 | 33,182,857 | -7.7 % |
| 2023Q4 | 262 | 35,933,508 |
Institutional managers
263 managers declare this company to the SEC (Form 13F). The table shows the 25 largest.
| Manager | Shares | Value | |
|---|---|---|---|
| BlackRock, Inc. | 10,690,844 | 204.9M $ | as of Mar 31, 2026 |
| Sessa Capital IM, L.P. | 4,730,757 | 90.7M $ | as of Mar 31, 2026 |
| ArrowMark Colorado Holdings LLC | 3,103,609 | 59.5M $ | as of Mar 31, 2026 |
| GW&K Investment Management, LLC | 2,689,106 | 51.6K $ | as of Mar 31, 2026 |
| STATE STREET CORP | 2,662,260 | 51M $ | as of Mar 31, 2026 |
| Driehaus Capital Management LLC | 2,304,414 | 44.2M $ | as of Mar 31, 2026 |
| GOLDMAN SACHS GROUP INC | 2,218,922 | 42.5M $ | as of Mar 31, 2026 |
| CITADEL ADVISORS LLC | 2,192,667 | 42M $ | as of Mar 31, 2026 |
| UBS Group AG | 2,047,801 | 39.3M $ | as of Mar 31, 2026 |
| Paradice Investment Management LLC | 2,042,425 | 39.2M $ | as of Mar 31, 2026 |
| TWO SIGMA INVESTMENTS, LP | 1,864,194 | 35.7M $ | as of Mar 31, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | 1,679,863 | 32.2M $ | as of Mar 31, 2026 |
| JENNISON ASSOCIATES LLC | 1,658,448 | 31.8M $ | as of Mar 31, 2026 |
| JACOBS LEVY EQUITY MANAGEMENT, INC | 1,523,946 | 29.2M $ | as of Mar 31, 2026 |
| MARSHALL WACE, LLP | 1,442,472 | 27.7M $ | as of Mar 31, 2026 |
| MORGAN STANLEY | 1,357,542 | 26M $ | as of Mar 31, 2026 |
| Freestone Grove Partners LP | 1,330,742 | 25.5M $ | as of Mar 31, 2026 |
| First Light Asset Management, LLC | 1,314,715 | 25.2M $ | as of Mar 31, 2026 |
| BAILLIE GIFFORD & CO | 1,089,393 | 20.9M $ | as of Mar 31, 2026 |
| WELLINGTON MANAGEMENT GROUP LLP | 1,042,764 | 20M $ | as of Mar 31, 2026 |
| VOYA INVESTMENT MANAGEMENT LLC | 804,137 | 15.4M $ | as of Mar 31, 2026 |
| D. E. Shaw & Co., Inc. | 783,906 | 15M $ | as of Mar 31, 2026 |
| Soleus Capital Management, L.P. | 783,000 | 15M $ | as of Mar 31, 2026 |
| Defilade Capital Management, L.P. | 761,905 | 14.6M $ | as of Mar 31, 2026 |
| MILLENNIUM MANAGEMENT LLC | 761,672 | 14.6M $ | as of Mar 31, 2026 |
Declared shareholders of Tandem Diabetes Care Inc
There are 3 beneficial ownership filings. These stakes do not add up. An asset manager that files includes its own funds, which already appear among the funds on this page.
| Shareholder | Declared stake | Shares | |
|---|---|---|---|
| Voya Financial, Inc. | 6.30 % | 4,343,683 | as of Mar 31, 2026 · SCHEDULE 13G |
| Vanguard Portfolio Management | 5.91 % | 4,052,274 | as of Mar 31, 2026 · SCHEDULE 13G |
| Vanguard Capital Management | 5.18 % | 3,553,772 | as of Mar 31, 2026 · SCHEDULE 13G |
Funds holding the debt of Tandem Diabetes Care Inc
16 funds declare 18 bond lines of this company. The amount is the one the fund files. It is not a share of the debt, because no regulator publishes the amount outstanding in open access.
| Fund | Bond lines | Value | |
|---|---|---|---|
| Virtus Income & Growth Fund | 1 | 13.7M $ | as of Mar 31, 2026 |
| Calamos Market Neutral Income Fund | 2 | 13.3M $ | as of Apr 30, 2026 |
| Virtus Convertible Fund | 1 | 13M $ | as of Mar 31, 2026 |
| iShares Convertible Bond ETF | 2 | 9.9M $ | as of Apr 30, 2026 |
| Fidelity Convertible Securities Fund | 1 | 2.4M $ | as of Feb 28, 2026 |
| WESTWOOD ALTERNATIVE INCOME FUND | 1 | 2M $ | as of Apr 30, 2026 |
| Voya Global Income & Growth Fund | 1 | 1.3M $ | as of Feb 28, 2026 |
| Fidelity Strategic Dividend and Income Fund | 1 | 1.1M $ | as of Feb 28, 2026 |
| Voya High Yield Portfolio | 1 | 1M $ | as of Mar 31, 2026 |
| Defensive Market Strategies Fund | 1 | 841.6K $ | as of Mar 31, 2026 |
| Voya High Yield Bond Fund | 1 | 718K $ | as of Mar 31, 2026 |
| PACE Alternative Strategies Investments | 1 | 447.3K $ | as of Apr 30, 2026 |
| JNL Multi-Manager Alternative Fund | 1 | 370.6K $ | as of Mar 31, 2026 |
| Franklin Alternative Strategies Fund | 1 | 153.5K $ | as of Feb 27, 2026 |
| Lazard Enhanced Opportunities Portfolio | 1 | 147K $ | as of Mar 31, 2026 |
| Harbor Ares Systematic Convertible Securities Fund | 1 | 88K $ | as of Apr 30, 2026 |
Cite this page
Titelia. "Fund shareholders of Tandem Diabetes Care Inc". https://titelia.com/en/stocks/tandem-diabetes-care-inc-US8753722037