Tandem Diabetes Care Inc Major Shareholders & Ownership History
| Major Shareholder Name | Reporting Date | Shares Held | Market Value | Change in Shares | Ownership |
|---|---|---|---|---|---|
| BLACKROCK, INC. | 08/07/2026 | 11.58 M | $174.79 M | 8.35% | 16.94% |
| UBS GROUP AG | 08/13/2026 | 5.18 M | $78.14 M | 0.00% | 7.57% |
| SESSA CAPITAL IM, L.P. | 08/14/2026 | 5.10 M | $76.96 M | 7.81% | 7.46% |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 08/13/2026 | 4.30 M | $64.88 M | 7.67% | 6.29% |
| FIRST LIGHT ASSET MANAGEMENT, LLC | 08/14/2026 | 3.38 M | $51.06 M | 157.36% | 4.95% |
| VANGUARD CAPITAL MANAGEMENT LLC | 08/13/2026 | 3.10 M | $46.73 M | 1.90% | 4.53% |
| STATE STREET CORP | 08/07/2026 | 2.85 M | $43.03 M | 7.11% | 4.17% |
| GW&K INVESTMENT MANAGEMENT, LLC | 08/12/2026 | 2.57 M | $38.77 M | -4.47% | 3.76% |
| JENNISON ASSOCIATES LLC | 08/03/2026 | 2.33 M | $35.18 M | 40.58% | 3.41% |
| PARADICE INVESTMENT MANAGEMENT LLC | 08/05/2026 | 2.02 M | $30.54 M | -0.90% | 2.96% |
| JACOBS LEVY EQUITY MANAGEMENT, INC | 08/14/2026 | 2.01 M | $30.28 M | 31.66% | 2.93% |
| FREESTONE GROVE PARTNERS LP | 08/14/2026 | 1.87 M | $28.16 M | 40.23% | 2.73% |
| GEODE CAPITAL MANAGEMENT, LLC | 08/12/2026 | 1.80 M | $27.18 M | 7.20% | 2.63% |
| DRIEHAUS CAPITAL MANAGEMENT LLC | 08/14/2026 | 1.79 M | $26.97 M | -22.45% | 2.61% |
| CITADEL ADVISORS LLC | 09/02/2026 | 1.74 M | $26.19 M | -20.83% | 2.54% |
| MILLENNIUM MANAGEMENT LLC | 08/14/2026 | 1.31 M | $19.79 M | 72.22% | 1.92% |
| WOODLINE PARTNERS LP | 08/14/2026 | 1.31 M | $19.73 M | 100.00% | 1.91% |
| ARROWMARK COLORADO HOLDINGS LLC | 08/13/2026 | 1.30 M | $19.61 M | -58.13% | 1.90% |
| UBS GROUP AG | 08/13/2026 | 1.15 M | $17.30 M | -44.01% | 1.68% |
| FMR LLC | 08/13/2026 | 976.43 K | $14.73 M | 36.75% | 1.43% |
| ROYCE & ASSOCIATES LP | 08/14/2026 | 900.59 K | $13.59 M | 29.29% | 1.32% |
| WELLINGTON MANAGEMENT GROUP LLP | 08/14/2026 | 871.81 K | $13.16 M | -16.39% | 1.27% |
| GOLDMAN SACHS GROUP INC | 08/14/2026 | 862.30 K | $13.01 M | -61.14% | 1.26% |
| NORTHERN TRUST CORP | 08/13/2026 | 753.69 K | $11.37 M | 6.66% | 1.10% |
| VERITION FUND MANAGEMENT LLC | 08/14/2026 | 700.00 K | $10.56 M | 553.48% | 1.02% |
| EXODUSPOINT CAPITAL MANAGEMENT, LP | 08/14/2026 | 691.79 K | $10.44 M | 9.30% | 1.01% |
| QUBE RESEARCH & TECHNOLOGIES LTD | 08/14/2026 | 683.82 K | $10.32 M | 1,216.03% | 1.00% |
| D. E. SHAW & CO., INC. | 08/14/2026 | 681.81 K | $10.29 M | -13.02% | 1.00% |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 08/13/2026 | 667.69 K | $10.08 M | 244.96% | 0.98% |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 08/14/2026 | 656.84 K | $9.91 M | 2.22% | 0.96% |
| SIXTH STREET PARTNERS MANAGEMENT COMPANY, L.P. | 08/14/2026 | 656.84 K | $9.91 M | 100.00% | 0.96% |
| MORGAN STANLEY | 08/13/2026 | 647.07 K | $9.76 M | -52.34% | 0.95% |
| POINT72 ASSET MANAGEMENT, L.P. | 08/14/2026 | 610.90 K | $9.22 M | 45.29% | 0.89% |
| SOLEUS CAPITAL MANAGEMENT, L.P. | 08/11/2026 | 575.00 K | $8.68 M | -26.56% | 0.84% |
| BANK OF MONTREAL /CAN/ | 08/12/2026 | 564.97 K | $8.53 M | 1,409.19% | 0.83% |
| TWO SIGMA INVESTMENTS, LP | 08/14/2026 | 558.41 K | $8.43 M | -70.05% | 0.82% |
| AQR CAPITAL MANAGEMENT LLC | 08/14/2026 | 533.84 K | $8.06 M | 60.84% | 0.78% |
| VANGUARD FIDUCIARY TRUST CO | 08/13/2026 | 491.10 K | $7.41 M | 4.12% | 0.72% |
| ABRDN PLC | 07/31/2026 | 441.74 K | $6.67 M | 1.78% | 0.65% |
| JUMP FINANCIAL, LLC | 08/13/2026 | 404.40 K | $6.10 M | 100.00% | 0.59% |
| BANK OF AMERICA CORP /DE/ | 08/14/2026 | 395.05 K | $5.96 M | 5.85% | 0.58% |
| FRONTIER CAPITAL MANAGEMENT CO LLC | 08/14/2026 | 380.46 K | $5.74 M | -4.22% | 0.56% |
| TUDOR INVESTMENT CORP ET AL | 08/14/2026 | 362.71 K | $5.47 M | 359.13% | 0.53% |
| DAFNA CAPITAL MANAGEMENT LLC | 08/14/2026 | 355.21 K | $5.36 M | 0.00% | 0.52% |
| BANK OF NEW YORK MELLON CORP | 08/06/2026 | 352.16 K | $5.31 M | 4.72% | 0.51% |
| BARCLAYS PLC | 08/14/2026 | 350.43 K | $5.29 M | -16.81% | 0.51% |
| JPMORGAN CHASE & CO | 08/12/2026 | 349.65 K | $5.53 M | -0.04% | 0.51% |
| PRINCIPAL FINANCIAL GROUP INC | 08/04/2026 | 335.09 K | $5.06 M | 1.07% | 0.49% |
| INVESCO LTD. | 08/14/2026 | 321.13 K | $4.85 M | 9.21% | 0.47% |
| Y-INTERCEPT (HONG KONG) LTD | 07/14/2026 | 314.65 K | $4.75 M | 304.03% | 0.46% |
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Tandem Diabetes Care Inc institutional Ownership - FAQ's
During the previous two years, 410 institutional investors and hedge funds held shares of Tandem Diabetes Care Inc. The most heavily invested institutionals were:
BlackRock, Inc.: 11.58 M
Sessa Capital IM, L.P.: 5.1 M
VANGUARD PORTFOLIO MANAGEMENT LLC: 4.3 M
First Light Asset Management, LLC: 3.38 M
VANGUARD CAPITAL MANAGEMENT LLC: 3.1 M
STATE STREET CORP: 2.85 M
116.08% of Tandem Diabetes Care Inc stock is owned by institutional investors.
Institutional investors have bought a total of 105.31 M shares in the last 24 months. This purchase volume represents approximately $2.20 B in transactions.