Mainsail Management Company, LLC

In its 13F for Q2 2025 (holdings as of June 30, 2025, filed August 4, 2025), Mainsail Management Company, LLC reported 2 stock positions worth $66.1 million. Its top holding was Brilliant Earth Class A (BRLT) at 66.6% of the portfolio, followed by Servicetitan Class A (TTAN, 33.4%). Compared with Q1 2025, it sold out of 1 and reduced 1. The biggest sale was Servicetitan Class A (TTAN, shares −40%).

Most Recent 13F
Q3 2025
Location
AUSTIN, TX
CIK
0001883367
Portfolio Value
$66.1M (Q2 2025)
SEC Filing
0001883367-25-000004 ↗ filed Aug 4, 2025

Holdings Value

0$50.0M$100.0M$150.0M Q1 2024: $96.8M Q1 2024 Q2 2024: $71.9M Q2 2024 Q3 2024: $69.3M Q3 2024 Q4 2024: $103.5M Q4 2024 Q1 2025: $84.6M Q1 2025 Q2 2025: $66.1M $66.1M Q2 2025 Q3 2025: $66.0M Q3 2025

Holdings 2 stocks · $66.1M

BRLT Brilliant Earth Group Inc. Class A 66.60% 31,898,071 $44.0M No change
TTAN Servicetitan Inc. Class A 33.40% 205,948 $22.1M Reduce -40.0%

Portfolio Sells Q1 2025 → Q2 2025

TTAN Servicetitan Inc. Class A Reduce -40.0% 33.40% −5.19
SSTI Soundthinking Inc. Sold out 0.00% −1.84

Portfolio Buys Q1 2025 → Q2 2025

None this quarter.

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q3 2025 1$66.0MBRLT
Q2 2025 2$66.1MBRLT, TTAN
Q1 2025 3$84.6MBRLT, TTAN, SSTI
Q4 2024Amended 3$103.5MBRLT, TTAN, SSTI
Q3 2024 2$69.3MBRLT, SSTI
Q2 2024 2$71.9MBRLT, SSTI
Q1 2024 2$96.8MBRLT, SSTI