Signal Rail Holdings LLC Signal Rail IV LLC is a security (CUSIP 82666AAA8) tracked across SEC portfolio filings. 1 registered fund positions totaling $5.7M via N-PORT as of 2026-05-31.
| Fund | Registrant | Value | % of fund |
|---|---|---|---|
| Thompson Bond Fund | Thompson IM Funds, Inc. | $5.7M | 29.43% |