Mainsail Management Company, LLC
In its 13F for Q3 2025 (holdings as of September 30, 2025, filed November 6, 2025), Mainsail Management Company, LLC reported 1 stock position worth $66.0 million. Its top holding was Brilliant Earth Class A (BRLT) at 100.0% of the portfolio. Compared with Q2 2025, it sold out of 1. The biggest sale was an exit from Servicetitan Class A (TTAN).
- Most Recent 13F
- Q3 2025
- Location
- AUSTIN, TX
- CIK
- 0001883367
- Portfolio Value
- $66.0M (Q3 2025)
- SEC Filing
- 0001883367-25-000006 ↗ filed Nov 6, 2025
Holdings Value
Holdings 1 stocks · $66.0M
| BRLT Brilliant Earth Group Inc. Class A | 100.00% | 31,898,071 | $66.0M | No change |
Portfolio Sells Q2 2025 → Q3 2025
| TTAN Servicetitan Inc. Class A | Sold out | 0.00% | −33.40 |
Portfolio Buys Q2 2025 → Q3 2025
| None this quarter. | |||