1 institutions reported holding $443,841 of Windrock LTD Co (WRLC) in SEC 13F filings for 2026-06-30. Largest institutional holders: KAHN BROTHERS GROUP INC ($443,841). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | KAHN BROTHERS GROUP INC | $443,841 | 807 | Added |
Source: SEC Form 13F filings · as of 2026-06-30