2 institutions reported holding $22,490 of LINDBLAD EXPEDITIONS HLDGS I (LINDW) in SEC 13F filings for 2026-03-31. Largest institutional holders: SIMPLEX TRADING, LLC ($19,030), GROUP ONE TRADING LLC ($3,460). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | SIMPLEX TRADING, LLC | $19,030 | 1,100 | New |
| 2 | GROUP ONE TRADING LLC | $3,460 | 200 | Hold |
Source: SEC Form 13F filings · as of 2026-03-31