Tandem Diabetes Care Inc Major Shareholders & Ownership History
| Major Shareholder Name | Reporting Date | Shares Held | Market Value | Change in Shares | Ownership |
|---|---|---|---|---|---|
| BLACKROCK, INC. | 02/12/2026 | 11.15 M | $245.06 M | -7.87% | 16.48% |
| VANGUARD GROUP INC | 01/29/2026 | 7.34 M | $161.36 M | 3.94% | 10.85% |
| SESSA CAPITAL IM, L.P. | 02/17/2026 | 5.00 M | $109.90 M | 0.00% | 7.39% |
| ARROWMARK COLORADO HOLDINGS LLC | 02/17/2026 | 2.89 M | $63.52 M | -21.71% | 4.27% |
| UBS GROUP AG | 01/29/2026 | 2.75 M | $60.34 M | 0.00% | 4.06% |
| GW&K INVESTMENT MANAGEMENT, LLC | 02/11/2026 | 2.68 M | $58.80 M | -1.71% | 3.95% |
| STATE STREET CORP | 02/13/2026 | 2.64 M | $58.07 M | -0.99% | 3.90% |
| CITADEL ADVISORS LLC | 02/17/2026 | 2.09 M | $45.91 M | 5,147.61% | 3.09% |
| MORGAN STANLEY | 02/13/2026 | 2.08 M | $45.73 M | 182.08% | 3.08% |
| PARADICE INVESTMENT MANAGEMENT LLC | 01/28/2026 | 2.08 M | $45.67 M | -5.41% | 3.07% |
| JENNISON ASSOCIATES LLC | 01/30/2026 | 2.02 M | $44.43 M | 42.34% | 2.99% |
| GOLDMAN SACHS GROUP INC | 03/25/2026 | 1.68 M | $37.00 M | 17.61% | 2.49% |
| JACOBS LEVY EQUITY MANAGEMENT, INC | 02/13/2026 | 1.65 M | $36.35 M | 11.59% | 2.44% |
| GEODE CAPITAL MANAGEMENT, LLC | 02/09/2026 | 1.65 M | $36.26 M | 3.20% | 2.44% |
| DRIEHAUS CAPITAL MANAGEMENT LLC | 02/17/2026 | 1.61 M | $35.40 M | 100.00% | 2.38% |
| FREESTONE GROVE PARTNERS LP | 02/17/2026 | 1.44 M | $31.71 M | -22.86% | 2.13% |
| BNP PARIBAS ARBITRAGE, SNC | 02/10/2026 | 1.25 M | $27.44 M | 468.49% | 1.85% |
| ASSENAGON ASSET MANAGEMENT S.A. | 01/09/2026 | 1.23 M | $26.99 M | 100.00% | 1.82% |
| TWO SIGMA INVESTMENTS, LP | 02/17/2026 | 1.20 M | $26.41 M | 7.55% | 1.78% |
| BAILLIE GIFFORD & CO | 01/23/2026 | 1.15 M | $25.18 M | 2.22% | 1.69% |
| FIRST LIGHT ASSET MANAGEMENT, LLC | 02/17/2026 | 1.09 M | $23.95 M | 100.00% | 1.61% |
| TWO SIGMA ADVISERS, LP | 02/17/2026 | 937.98 K | $20.62 M | -3.39% | 1.39% |
| BARCLAYS PLC | 02/13/2026 | 917.93 K | $20.18 M | -22.87% | 1.36% |
| MARSHALL WACE, LLP | 02/13/2026 | 875.53 K | $19.24 M | 100.00% | 1.29% |
| D. E. SHAW & CO., INC. | 02/17/2026 | 854.27 K | $18.78 M | -2.62% | 1.26% |
| BANK OF AMERICA CORP /DE/ | 02/17/2026 | 702.50 K | $15.44 M | 6.71% | 1.04% |
| NORTHERN TRUST CORP | 02/17/2026 | 691.69 K | $15.20 M | 0.12% | 1.02% |
| FMR LLC | 02/17/2026 | 672.65 K | $14.78 M | -22.70% | 0.99% |
| ROYCE & ASSOCIATES LP | 02/09/2026 | 650.25 K | $14.29 M | 27.50% | 0.96% |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 02/13/2026 | 646.31 K | $14.21 M | 15.73% | 0.96% |
| MILLENNIUM MANAGEMENT LLC | 02/17/2026 | 583.57 K | $12.83 M | -17.33% | 0.86% |
| NUVEEN, LLC | 02/12/2026 | 563.27 K | $12.38 M | 12.07% | 0.83% |
| ABRDN PLC | 01/16/2026 | 547.04 K | $12.02 M | -8.54% | 0.81% |
| UBS GROUP AG | 01/29/2026 | 417.83 K | $9.18 M | -72.23% | 0.62% |
| FRONTIER CAPITAL MANAGEMENT CO LLC | 02/17/2026 | 412.27 K | $9.06 M | -0.74% | 0.61% |
| ACADIAN ASSET MANAGEMENT LLC | 02/10/2026 | 392.76 K | $8.63 M | -57.25% | 0.58% |
| DAFNA CAPITAL MANAGEMENT LLC | 02/17/2026 | 355.21 K | $7.81 M | 0.00% | 0.53% |
| BANK OF NEW YORK MELLON CORP | 02/10/2026 | 349.75 K | $7.69 M | -8.95% | 0.52% |
| JPMORGAN CHASE & CO | 02/11/2026 | 341.63 K | $7.51 M | -4.86% | 0.51% |
| AQR CAPITAL MANAGEMENT LLC | 02/17/2026 | 339.58 K | $7.46 M | -18.20% | 0.50% |
| PRINCIPAL FINANCIAL GROUP INC | 02/02/2026 | 324.26 K | $7.13 M | -0.75% | 0.48% |
| VOYA INVESTMENT MANAGEMENT LLC | 02/12/2026 | 319.53 K | $7.02 M | 83.48% | 0.47% |
| QUANTINNO CAPITAL MANAGEMENT LP | 02/17/2026 | 292.51 K | $6.43 M | 45.68% | 0.43% |
| INVESCO LTD. | 02/19/2026 | 277.72 K | $6.10 M | -8.05% | 0.41% |
| SECTOR GAMMA AS | 02/12/2026 | 267.09 K | $5.87 M | -0.91% | 0.39% |
| LISANTI CAPITAL GROWTH, LLC | 02/09/2026 | 262.89 K | $5.78 M | 100.00% | 0.39% |
| BALYASNY ASSET MANAGEMENT L.P. | 02/17/2026 | 262.79 K | $5.78 M | 100.00% | 0.39% |
| EDMOND DE ROTHSCHILD HOLDING S.A. | 02/17/2026 | 258.20 K | $5.68 M | -22.51% | 0.38% |
| PUBLIC SECTOR PENSION INVESTMENT BOARD | 02/13/2026 | 234.67 K | $5.16 M | -10.96% | 0.35% |
| ALLIANCEBERNSTEIN L.P. | 02/17/2026 | 234.29 K | $5.15 M | 4.73% | 0.35% |
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Tandem Diabetes Care Inc institutional Ownership - FAQ's
During the previous two years, 379 institutional investors and hedge funds held shares of Tandem Diabetes Care Inc. The most heavily invested institutionals were:
UBS Group AG: 2.05 M
abrdn plc: 434,027
Nuveen, LLC: 363,802
Bank of New York Mellon Corp: 336,291
PRINCIPAL FINANCIAL GROUP INC: 331,541
ENVESTNET ASSET MANAGEMENT INC: 243,248
110.66% of Tandem Diabetes Care Inc stock is owned by institutional investors.
Institutional investors have bought a total of 92.94 M shares in the last 24 months. This purchase volume represents approximately $1.94 B in transactions.