Institutional Manager · CIK 0001883367
MAINSAIL MANAGEMENT COMPANY, LLC
AUSTIN, TX · File #028-23046
Latest AUM
$66.0M
Positions
1
Top-10 Concentration
100.0%
Filings
9
Portfolio Value Over Time
2023-12
2024-03
2024-06
2024-09
2024-12
2025-03
2025-06
2025-09
Biggest QoQ Changes
Ranked by conviction flow (share change × current price) so mark-to-market moves don't dominate. Price effect column shows how much of the $ change was just the stock moving.
| Action | Issuer | Ticker / CUSIP | Δ Shares | Flow ($) | Price Effect |
|---|---|---|---|---|---|
| EXITED | SERVICE TITAN INC | 81764X103 | -205,948 | -$22.1M | $0 |
| REDUCE | BRILLIANT EARTH GROUP INC | 109504100 | 0 | $0 | +$22.0M |
Filing History
- 13F HOLDINGS REPORTQ/E Sep 20251 pos · $66.0M
- 13F HOLDINGS REPORTQ/E Jun 20252 pos · $66.1M
- 13F HOLDINGS REPORTQ/E Mar 20253 pos · $84.6M
- 13F HOLDINGS REPORT (Amended)Q/E Mar 20251 pos · $35.3M
- 13F HOLDINGS REPORTQ/E Dec 20242 pos · $68.2M
- 13F HOLDINGS REPORTQ/E Sep 20242 pos · $69.3M
- 13F HOLDINGS REPORTQ/E Jun 20242 pos · $71.9M
- 13F HOLDINGS REPORTQ/E Mar 20242 pos · $96.8M
- 13F HOLDINGS REPORTQ/E Dec 20232 pos · $95.9M
Top 1 Holdings — Sep 2025
| # | Issuer | Ticker | Shares | Value | % of Portfolio |
|---|---|---|---|---|---|
| 1 | BRILLIANT EARTH GROUP INC | 109504100 | 31,898,071 | $66.0M | 100.00% |