Data from public SEC 13F & STOCK Act filings, delayed up to ~45 days, partial holdings only — for research, not investment advice.
INSP
INSPIRE MEDICAL SYSTEMS INCData as of 2026 Q1 (03-31) · 13F snapshot
Summary
INSPIRE MEDICAL SYSTEMS INC (INSP) is held by 7 tracked hedge-fund managers, a combined reported value of ~$181.17M; the largest are Andreas Halvorsen, Renaissance Technologies, Ken Griffin. This quarter: 4 added, 1 trimmed. 2 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 holding7
Congress trades2
Price$42.70vs quarter-end-17.22%
Sectors0
This quarter's moves
Top holderAndreas HalvorsenNew0
Added4
Trimmed / sold1
Value $81.12M0.4% of portfolio346,5762023 Q1
Value $9.24M— of portfolio100,2002025 Q4
Value $3.14M— of portfolio60,8002026 Q1
Value $1.45M— of portfolio28,2002026 Q1
Value $773.7K— of portfolio15,0002026 Q1
Value $405.8K— of portfolio4,4002025 Q4
Value $257.9K— of portfolio5,0002026 Q1
| Investor | Value | % of portfolio | Action |
|---|---|---|---|
| Andreas Halvorsen | $81.12M | 0.4% | Trim |
| Izzy EnglanderCALL | $9.24M | — | — |
| Ken GriffinPUT | $3.14M | — | — |
| Ken GriffinCALL | $1.45M | — | — |
| Izzy EnglanderPUT | $773.7K | — | — |
| Steven CohenPUT | $405.8K | — | — |
| Steven CohenCALL | $257.9K | — | — |