Brilliant Earth Group, Inc.
Brilliant Earth Group, Inc. (BRLT) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · BRLT · as of Sep 30, 2025
Ownership Breakdown
42
Institutional Holders
▲ 8 vs Q2
$75.93M
Total Inst. Value
▲ $26.22M vs Q2
63.93M
Shares Outstanding
freeFloat 88.82%
36.68M
13F Shares Held
▲ 632,866 vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
BRLT largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
MAINSAIL MANAGEMENT COMPANY, LLC jewelry, silverware & plated ware | 31.90M | 22.25% | 22.25% | $66.03B | Nov 6, 2025 | — held |
CAPITAL WORLD INVESTORS jewelry, silverware & plated ware | 1.05M | 73.42% | 73.42% | $2.18B | Nov 13, 2025 | ▲ 122.5K |
AMERIPRISE FINANCIAL INC jewelry, silverware & plated ware | 790.1K | 55.13% | 55.13% | $1.64B | Nov 14, 2025 | ▼ 6.9K |
VANGUARD GROUP INC jewelry, silverware & plated ware | 605.8K | 42.26% | 42.26% | $1.25B | Nov 7, 2025 | ▲ 70.8K |
RUSSELL INVESTMENTS GROUP, LTD. jewelry, silverware & plated ware | 516.8K | 36.06% | 36.06% | $1.07B | Nov 13, 2025 | ▼ 168.3K |
RENAISSANCE TECHNOLOGIES LLC jewelry, silverware & plated ware | 196.1K | 13.68% | 13.68% | $405.93M | Nov 13, 2025 | ▲ 61.5K |
PEAK6 LLC jewelry, silverware & plated ware | 162.8K | 11.36% | 11.36% | $337.00M | Mar 31, 2026 | NEW |
GEODE CAPITAL MANAGEMENT, LLC jewelry, silverware & plated ware | 156.9K | 10.94% | 10.94% | $324.75M | Nov 12, 2025 | ▲ 13.8K |
BLACKROCK, INC. jewelry, silverware & plated ware | 149.2K | 10.41% | 10.41% | $308.82M | Nov 12, 2025 | ▲ 350 |
TWO SIGMA INVESTMENTS, LP jewelry, silverware & plated ware | 148.6K | 10.37% | 10.37% | $307.63M | Nov 14, 2025 | NEW |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
16
Increased
+591.5K shares10
New Positions
first time holders9
Decreased
−286.6K shares5
Sold Out
fully exitedNet shares change (top 50)
+305.0K
+591.5K / −286.6K
Net new holders
+12
10 new / 5 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
BRLT insider trading · insider activity
Source: SEC Form 4
Insiders have been primarily selling shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
0
Buy transactions
1
Sell transactions
0.00
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Dziesietnik Sharon Chief Operations Officer | May 18, 2026 | Sale | 10,124 | $1.15 | $11.6K | 542.6K | Form 4 ↗ |
Kuo Jeffrey Chuenhong Chief Financial Officer | Mar 6, 2026 | Award | 112,582 | — | — | 683.1K | Form 4 ↗ |
Dziesietnik Sharon Chief Operations Officer | Mar 6, 2026 | Award | 105,960 | — | — | 552.7K | Form 4 ↗ |
Dziesietnik Sharon Chief Operations Officer | Feb 18, 2026 | Sale | 19,687 | $1.37 | $27.0K | 446.7K | Form 4 ↗ |
Dziesietnik Sharon Chief Operations Officer | Nov 17, 2025 | Sale | 9,191 | $1.99 | $18.3K | 466.4K | Form 4 ↗ |
Bickley Ian director | Jun 18, 2025 | Award | 95,890 | — | — | 244.2K | Form 4 ↗ |
KAPLAN BETH J director | Jun 18, 2025 | Award | 95,890 | — | — | 221.4K | Form 4 ↗ |
Harris Jennifer Noel director | Jun 18, 2025 | Award | 95,890 | — | — | 179.8K | Form 4 ↗ |
Jaques Attica director | Jun 18, 2025 | Award | 95,890 | — | — | 215.7K | Form 4 ↗ |
Harris Jennifer Noel director | Jun 16, 2025 | Sale | 2,962 | $1.38 | $4.1K | 96.3K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Brilliant Earth Group, Inc. (BRLT) is primarily owned by institutional investors, who hold approximately 57.4% of total shares outstanding. Company insiders own approximately 11.18%, while retail and public investors account for the remaining 31.44%.
The largest institutional shareholder of Brilliant Earth Group, Inc. is MAINSAIL MANAGEMENT COMPANY, LLC, holding approximately 31.90 million shares — equal to 22.25% of outstanding shares — as of September 30, 2025.
A total of 42 institutional investors currently hold BRLT stock, with a combined institutional value of approximately $75,925,398 as of the most recent 13F filing period.
Frequently asked questions
BRLT ownershipBrilliant Earth Group, Inc. (BRLT) is primarily owned by institutional investors, who hold approximately 57.4% of shares. The largest shareholder is MAINSAIL MANAGEMENT COMPANY, LLC with a 22.25% stake. Company insiders hold 11.18%. Data sourced from SEC Form 13F as of September 30, 2025.