TANDEM DIABETES CARE INC COM NEW is a security (CUSIP 875372203) tracked across SEC portfolio filings. 286 institutional managers reported $1.6B on Form 13F as of 2026-06-30; 30 registered fund positions totaling $78.6M via N-PORT as of 2026-05-31.
Showing 15 of 286 managers by value.
| Manager | Location | Value | Shares |
|---|---|---|---|
| BlackRock, Inc. | New York, NY | $204.9M | 10,690,844 |
| VANGUARD GROUP INC | Valley Forge, PA | $161.4M | 7,341,356 |
| UBS Group AG | Zurich, V8 | $138.5M | 2,047,801 |
| Sessa Capital IM, L.P. | NEW YORK, NY | $90.7M | 4,730,757 |
| ArrowMark Colorado Holdings LLC | Denver, CO | $59.5M | 3,103,609 |
| STATE STREET CORP | BOSTON, MA | $51.0M | 2,662,260 |
| Driehaus Capital Management LLC | Chicago, IL | $44.2M | 2,304,414 |
| CITADEL ADVISORS LLC | MIAMI, FL | $43.7M | 2,192,667 |
| GOLDMAN SACHS GROUP INC | NEW YORK, NY | $42.5M | 2,218,922 |
| TWO SIGMA INVESTMENTS, LP | New York, NY | $35.7M | 1,864,194 |
| JENNISON ASSOCIATES LLC | NEW YORK, NY | $35.2M | 2,331,429 |
| GEODE CAPITAL MANAGEMENT, LLC | BOSTON, MA | $32.2M | 1,679,863 |
| Paradice Investment Management LLC | Denver, CO | $30.5M | 2,024,014 |
| JACOBS LEVY EQUITY MANAGEMENT, INC | FLORHAM PARK, NJ | $29.2M | 1,523,946 |
| MARSHALL WACE, LLP | LONDON, X0 | $27.7M | 1,442,472 |
Showing 15 of 30 fund positions by value.
| Fund | Registrant | Value | % of fund |
|---|---|---|---|
| VANGUARD EXPLORER FUND | VANGUARD EXPLORER FUND | $22.6M | 10.39% |
| VANGUARD EXTENDED MARKET INDEX FUND | VANGUARD INDEX FUNDS | $14.5M | 1.78% |
| PGIM Jennison Health Sciences Fund | Prudential Sector Funds, Inc. | $11.7M | 84.23% |
| Meridian Contrarian Fund | Meridian Fund Inc | $6.1M | 103.58% |
| VANGUARD RUSSELL 2000 INDEX FUND | VANGUARD SCOTTSDALE FUNDS | $6.0M | 3.42% |
| abrdn Healthcare Investors | abrdn Healthcare Investors | $5.5M | 48.60% |
| abrdn Healthcare Opportunities Fund | abrdn Healthcare Opportunities Fund | $2.8M | 38.73% |
| VOYA SMALL COMPANY PORTFOLIO | Voya VARIABLE PORTFOLIOS INC | $2.4M | 132.09% |
| VANGUARD GROWTH AND INCOME FUND | VANGUARD QUANTITATIVE FUNDS | $2.3M | 1.37% |
| Master Small Cap Index Series | Quantitative Master Series LLC | $2.1M | 4.36% |
| Keeley Small Cap Fund | Teton Westwood Funds | $959K | 111.66% |
| Goldman Sachs ActiveBeta(R) U.S. Small Cap Equity ETF | Goldman Sachs ETF Trust | $934K | 9.48% |
| Voya MI Dynamic Small Cap Fund | Voya Equity Trust | $745K | 39.98% |
| VANGUARD BALANCED INDEX FUND | VANGUARD VALLEY FORGE FUNDS | $739K | 0.13% |
| BNY Mellon Smallcap Stock Index Fund | BNY MELLON INDEX FUNDS, INC. | $656K | 7.75% |