Mainsail Management Company’s Brilliant Earth BRLT Stock Holding History

Mainsail Management Company’s Portfolio BRLT Stock Details BRLT Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2025 Q3	$66M	Hold	31,898,071	–	–	100%	1
2025 Q2	$44M	Hold	31,898,071	–	–	66.6%	1
2025 Q1	$50.4M	Sell	31,898,071 -2,700	-0%	-$4.4K	59.57%	1
2024 Q4	$67M	Hold	31,900,771	–	–	64.72%	1
2024 Q3	$68.3M	Hold	31,900,771	–	–	98.46%	1
2024 Q2	$70.8M	Hold	31,900,771	–	–	98.44%	1
2024 Q1	$95.4M	Hold	31,900,771	–	–	98.49%	1
2023 Q4	$119M	Sell	31,900,771 -65,000	-0.2%	-$187K	98.06%	1
2023 Q3	$94.3M	Hold	31,965,771	–	–	98.28%	1
2023 Q2	$124M	Hold	31,965,771	–	–	98.41%	1
2023 Q1	$125M	Hold	31,965,771	–	–	97.19%	1
2022 Q4	$138M	Buy	+31,965,771	New	+$191M	97.32%	1

Other funds holding BRLT

Capital World Investors Los Angeles, California $733B AUM 35.63% 1-Year Est. Return

Ameriprise Minneapolis, Minnesota $432B AUM 30.22% 1-Year Est. Return

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

Russell Investments Group London, United Kingdom $114B AUM 41.71% 1-Year Est. Return

Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Two Sigma Investments New York $124B AUM 33.93% 1-Year Est. Return

Klingman & Associates New York $2.35B AUM 23.18% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Mainsail Management Company's BRLT Position: Q3 2025 in Review

Mainsail Management Company held its Brilliant Earth (BRLT) position steady in Q3 2025 at 31,898,071 shares worth $66M. The position accounts for 100% of the portfolio, ranked #1.

Mainsail Management Company first reported a position in BRLT in Q4 2022 and has held it in 12 quarters since. The position peaked at $138M in Q4 2022. 42 funds tracked by Wall St. Rank hold BRLT as of Q3 2025.

Mainsail Management Company held 31,898,071 shares of Brilliant Earth worth $66M as of Q3 2025.
Mainsail Management Company left its Brilliant Earth share count unchanged in Q3 2025.
Brilliant Earth made up 100% of Mainsail Management Company's portfolio in Q3 2025, its #1 holding.
Mainsail Management Company first reported a position in Brilliant Earth in Q4 2022 and has held it in 12 quarters since.
Mainsail Management Company's Brilliant Earth position peaked at $138M in Q4 2022.
42 funds tracked by Wall St. Rank held Brilliant Earth as of Q3 2025.

Based on Mainsail Management Company's 13F filing for Q3 2025, filed 6 Nov 2025.