TNDM
TANDEM DIABETES CARE INCData as of 2026 Q2 (06-30) · 13F snapshot
Summary
TANDEM DIABETES CARE INC (TNDM) is held as common stock by 4 tracked hedge-fund managers, with a combined reported value of ~$60.68M; the largest are Ken Griffin, Izzy Englander, Steven Cohen. 2 tracked managers also disclosed PUT or CALL positions, reported separately below. This quarter: 3 added, 1 trimmed, 1 closed. 11 public STOCK Act / OGE trade disclosures are on record. Data as of 2026 Q2, from public SEC 13F filings, delayed up to ~45 days.
Attention · MediumThis quarter · Mixed
Common-stock holders42 also report options
Congress trades11
Price$16.42vs quarter-end+8.81%
Sectors0
This quarter's moves
Top holderNew0
Added3
Trimmed / sold2
Ken GriffinCommon-stock positions
PUT and CALL disclosures are excluded from these holder counts and values.
| Investor | Value | % of portfolio | Action |
|---|
PUT / CALL disclosures
Reported separately: 13F option values are not common-stock ownership and do not reveal the full strategy or economic exposure.
Value $4.53M— of portfolio300,0002026 Q2
Value $1.13M— of portfolio74,9002026 Q2
Value $654.9K— of portfolio43,4002026 Q2
| Investor | Value | % of portfolio | Action |
|---|---|---|---|
| Steven CohenCALL | $4.53M | — | — |
| Ken GriffinCALL | $1.13M | — | — |
| Ken GriffinPUT | $654.9K | — | — |
Public SEC 13F filings may appear up to 45 days after quarter-end; STOCK Act / OGE trade filings are generally due within 45 days but may be late. Partial data only — research, not investment advice.