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Mainsail Management Company 13F Portfolio

Portfolio Manager
Mainsail Management Company, Llc
Performance
+44.16% (2025 Q3)
AUM (13F)
$66.03M
# of Holdings
1
Performance Rank
Allocation (Top 20)
100%
Latest filing
Q3 2025

Mainsail Management Company, Llc Holdings Map

Top 1 Mainsail Management Company, Llc Holdings

Top 10 holdings

StockCompany% Port.SharesValueActivityOwnershipAvg. CostDate
BRLT
BRILLIANT EARTH GROUP INC
100%31.90M$66.0M
+0.00%(+0)
2024-Q3: 31.90M shares2024-Q4: 31.90M shares2025-Q1: 31.90M shares2025-Q2: 31.90M shares2025-Q3: 31.90M shares
$6.29(-71.71%)
2025-09-30

About Mainsail Management Company, Llc’s portfolio

Mainsail Management Company, Llc reports $66.03M in US-listed equity holdings across 1 position in its most recent 13F filing. Its largest disclosed position is BRLT (100.0%). The top 20 holdings account for 100% of reported assets. Its disclosed equity book has returned -37.45% cumulatively over 11 quarters. Figures reflect the Q3 2025 filing.

Portfolio concentration

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Source filings

Holdings on this page are parsed from Mainsail Management Company, Llc’s Form 13F filings with the U.S. Securities and Exchange Commission (CIK 1883367). View Mainsail Management Company, Llc’s 13F filings on SEC

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