TNDM
TANDEM DIABETES CARE INCData as of 2026 Q1 (03-31) · 13F snapshot
Summary
TANDEM DIABETES CARE INC (TNDM) is held by 6 tracked hedge-fund managers, a combined reported value of ~$72.59M; the largest are Ken Griffin, Izzy Englander, Steven Cohen. This quarter: 2 new, 2 added. 6 members of Congress have disclosed STOCK Act trades. Data as of 2026 Q1, from public SEC 13F filings, delayed up to ~45 days.
Attention · MediumThis quarter · Heating up
Gurus holding6
Congress trades6
Price$17.17vs quarter-end-10.43%
Sectors0
This quarter's moves
Top holderKen GriffinNew2
Added2
Trimmed / sold0
Value $1.73M— of portfolio90,0002026 Q1
Value $1.27M— of portfolio30,0002024 Q3
Value $897.2K— of portfolio46,8002026 Q1
Value $722.7K— of portfolio37,7002026 Q1
Value $360.2K— of portfolio10,0002024 Q4
| Investor | Value | % of portfolio | Action |
|---|---|---|---|
| Steven CohenPUT | $1.73M | — | — |
| Izzy EnglanderPUT | $1.27M | — | — |
| Ken GriffinCALL | $897.2K | — | — |
| Ken GriffinPUT | $722.7K | — | — |
| Izzy EnglanderCALL | $360.2K | — | — |
Data from public SEC 13F & STOCK Act filings, delayed up to ~45 days, partial holdings only — for research, not investment advice.