Tandem Diabetes Care, Inc. Major Shareholders & Ownership History
| Major Shareholder Name | Reporting Date | Shares Held | Market Value | Change in Shares | Ownership |
|---|---|---|---|---|---|
| BLACKROCK, INC. | 11/12/2025 | 12.10 M | $146.91 M | 11.31% | 18.05% |
| VANGUARD GROUP INC | 11/07/2025 | 7.06 M | $85.75 M | -4.16% | 10.53% |
| SESSA CAPITAL IM, L.P. | 11/14/2025 | 5.00 M | $60.70 M | 0.00% | 7.46% |
| ARROWMARK COLORADO HOLDINGS LLC | 11/14/2025 | 3.69 M | $44.81 M | 36.73% | 5.51% |
| UBS GROUP AG | 11/13/2025 | 2.75 M | $33.33 M | 0.00% | 4.09% |
| GW&K INVESTMENT MANAGEMENT, LLC | 11/12/2025 | 2.72 M | $33.04 M | -5.83% | 4.06% |
| STATE STREET CORP | 11/14/2025 | 2.67 M | $32.39 M | 0.84% | 3.98% |
| HOOD RIVER CAPITAL MANAGEMENT LLC | 11/14/2025 | 2.55 M | $30.98 M | -0.52% | 3.81% |
| PARADICE INVESTMENT MANAGEMENT LLC | 10/20/2025 | 2.20 M | $26.67 M | 24.29% | 3.28% |
| FREESTONE GROVE PARTNERS LP | 11/14/2025 | 1.87 M | $22.71 M | 100.00% | 2.79% |
| GEODE CAPITAL MANAGEMENT, LLC | 11/12/2025 | 1.60 M | $19.41 M | -0.50% | 2.38% |
| UBS GROUP AG | 11/13/2025 | 1.50 M | $18.26 M | 8.70% | 2.24% |
| JACOBS LEVY EQUITY MANAGEMENT, INC | 11/17/2025 | 1.48 M | $17.99 M | 3.54% | 2.21% |
| GOLDMAN SACHS GROUP INC | 11/14/2025 | 1.43 M | $17.38 M | -24.12% | 2.13% |
| JENNISON ASSOCIATES LLC | 10/30/2025 | 1.42 M | $17.24 M | -14.40% | 2.12% |
| BARCLAYS PLC | 11/12/2025 | 1.19 M | $14.45 M | 109.87% | 1.78% |
| BAILLIE GIFFORD & CO | 10/31/2025 | 1.12 M | $13.60 M | -0.46% | 1.67% |
| TWO SIGMA INVESTMENTS, LP | 11/14/2025 | 1.12 M | $13.56 M | -9.37% | 1.67% |
| TWO SIGMA ADVISERS, LP | 11/14/2025 | 970.88 K | $11.79 M | 9.32% | 1.45% |
| ACADIAN ASSET MANAGEMENT LLC | 11/13/2025 | 918.72 K | $11.14 M | 156.26% | 1.37% |
| D. E. SHAW & CO., INC. | 11/14/2025 | 877.22 K | $10.65 M | 159.02% | 1.31% |
| FMR LLC | 11/13/2025 | 870.12 K | $10.56 M | 65.84% | 1.30% |
| MORGAN STANLEY | 11/14/2025 | 737.55 K | $8.95 M | -41.72% | 1.10% |
| MILLENNIUM MANAGEMENT LLC | 11/14/2025 | 705.90 K | $8.57 M | -27.16% | 1.05% |
| NORTHERN TRUST CORP | 11/14/2025 | 690.88 K | $8.39 M | -1.36% | 1.03% |
| ROYAL BANK OF CANADA | 11/14/2025 | 681.08 K | $8.27 M | 23.94% | 1.02% |
| BANK OF AMERICA CORP /DE/ | 11/14/2025 | 658.35 K | $7.99 M | 20.69% | 0.98% |
| CONNOR, CLARK & LUNN INVESTMENT MANAGEMENT LTD. | 11/13/2025 | 615.22 K | $7.47 M | -21.55% | 0.92% |
| ABRDN PLC | 11/07/2025 | 598.10 K | $7.26 M | 67.90% | 0.89% |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 11/10/2025 | 558.45 K | $6.78 M | -9.49% | 0.83% |
| ROYCE & ASSOCIATES LP | 11/12/2025 | 510.00 K | $6.19 M | 100.00% | 0.76% |
| NUVEEN, LLC | 11/12/2025 | 502.61 K | $6.10 M | -20.03% | 0.75% |
| TREXQUANT INVESTMENT LP | 11/14/2025 | 497.72 K | $6.04 M | 35.06% | 0.74% |
| WALLEYE CAPITAL LLC | 11/14/2025 | 463.38 K | $5.63 M | -18.31% | 0.69% |
| CUBIST SYSTEMATIC STRATEGIES, LLC | 11/14/2025 | 439.16 K | $5.33 M | 100.00% | 0.66% |
| FRONTIER CAPITAL MANAGEMENT CO LLC | 11/14/2025 | 415.34 K | $5.04 M | 14.07% | 0.62% |
| AQR CAPITAL MANAGEMENT LLC | 11/14/2025 | 415.15 K | $4.86 M | 912.45% | 0.62% |
| BANK OF NEW YORK MELLON CORP | 11/03/2025 | 384.13 K | $4.66 M | -3.73% | 0.57% |
| BROWN CAPITAL MANAGEMENT LLC | 11/04/2025 | 363.35 K | $4.41 M | -34.08% | 0.54% |
| JPMORGAN CHASE & CO | 11/26/2025 | 359.07 K | $4.36 M | -36.14% | 0.54% |
| DAFNA CAPITAL MANAGEMENT LLC | 11/14/2025 | 355.21 K | $4.31 M | 20.73% | 0.53% |
| EDMOND DE ROTHSCHILD HOLDING S.A. | 11/13/2025 | 333.20 K | $4.05 M | 26.89% | 0.50% |
| PRINCIPAL FINANCIAL GROUP INC | 11/04/2025 | 326.70 K | $3.97 M | -17.34% | 0.49% |
| INVESCO LTD. | 11/13/2025 | 302.04 K | $3.67 M | 33.18% | 0.45% |
| SECTOR GAMMA AS | 10/31/2025 | 269.54 K | $3.27 M | 28.03% | 0.40% |
| PUBLIC SECTOR PENSION INVESTMENT BOARD | 11/06/2025 | 263.56 K | $3.20 M | 16.05% | 0.39% |
| KENT LAKE PR LLC | 11/14/2025 | 250.00 K | $3.04 M | 100.00% | 0.37% |
| ENVESTNET ASSET MANAGEMENT INC | 11/05/2025 | 236.33 K | $2.87 M | -14.99% | 0.35% |
| ALGERT GLOBAL LLC | 11/14/2025 | 226.89 K | $2.75 M | -57.27% | 0.34% |
| ALLIANCEBERNSTEIN L.P. | 11/14/2025 | 223.72 K | $2.72 M | -17.24% | 0.33% |
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Tandem Diabetes Care, Inc. institutional Ownership - FAQ's
During the previous two years, 385 institutional investors and hedge funds held shares of Tandem Diabetes Care, Inc.. The most heavily invested institutionals were:
BlackRock, Inc.: 12.1 M
VANGUARD GROUP INC: 7.06 M
Sessa Capital IM, L.P.: 5 M
ArrowMark Colorado Holdings LLC: 3.69 M
GW&K Investment Management, LLC: 2.72 M
STATE STREET CORP: 2.67 M
111.65% of Tandem Diabetes Care, Inc. stock is owned by institutional investors.
Institutional investors have bought a total of 91.84 M shares in the last 24 months. This purchase volume represents approximately $1.35 B in transactions.