Who owns Brilliant Earth Group, Inc. (BRLT)
Which tracked institutional funds hold BRLT, how they are positioned, and who is buying versus exiting — from SEC Form 13F-HR filings. See BRLT company fundamentals →
Ownership as of the 2026-Q1 13F filings (latest filed 2026-05-15). 13F is disclosed up to 45 days after quarter-end, so the most recent quarter fills in over the following weeks.
How the tape is positioned
The tracked-fund tape on BRLT is one-sided between 2025-Q4 and 2026-Q1: 1 added or opened and 3 trimmed or exited — on balance reducing.
A prompt to read the filings, not a verdict. 13F is a quarter-end snapshot disclosed up to 45 days late; a fund adds or exits for mandate, benchmark, and timing reasons that have nothing to do with a view on the stock. This is a starting question, not a signal to trade.
Conviction spread
BRLT’s largest tracked holder by dollar value, MAINSAIL MANAGEMENT COMPANY, LLC, sizes it at 100.0% of its own reported 13F book, while the median holder sizes it at 0.0% of theirs — a 100.0pp conviction gap — its largest holder concentrates the name more heavily than the typical one.
Book-share is each fund’s reported value in BRLT divided by its whole reported 13F book, so it is comparable across funds of different sizes and is unaffected by stock splits. A higher share means a fund has committed more of its book to the name — a starting question about conviction, not a verdict or a signal to trade.
Institutional & insider positioning
Between 2025-Q4 and 2026-Q1, across 36 tracked filers holding BRLT, 14 increased or opened the position and 21 reduced or closed it; over the same quarter, open-market insider Form 4 buying and selling roughly offset.
This fuses two public signals for the same quarter — how tracked institutions changed their positions and whether insiders bought or sold in the open market. It describes what was filed; it is a starting question, not a verdict or a signal to trade.
New buyers & exits
Funds opening or closing a position in BRLT between the 2025-Q4 and 2026-Q1 13F filings, and the largest changes among funds holding it in both. New buyers and exits are counted on fund presence (split-invariant); adds and trims are measured on reported value.
New buyers 1
- VANGUARD CAPITAL MANAGEMENT LLC$697K
Full exits 1
- VANGUARD GROUP INC$1M
Largest trims
- Capital World Investors$442K
- AMERIPRISE FINANCIAL INC$322K
Institutional holders
One row per tracked fund, largest reported value first. “% of value” is the fund’s share of this security’s tracked institutional value — not of shares outstanding. Rows marked stale are from an earlier filing than the security’s latest quarter — that fund is absent from the newest snapshot (position exited, or reported under a different name).
| Fund | Shares | Reported value | % of value | Quarter |
|---|---|---|---|---|
| Capital World Investors | 1,052,309 | $1M | 1.9% | 2026-Q1 |
| AMERIPRISE FINANCIAL INC added | 808,454 | $1M | 1.4% | 2026-Q1 |
| VANGUARD CAPITAL MANAGEMENT LLC new | 524,321 | $697K | 0.9% | 2026-Q1 |
| Russell Investments Group, Ltd. trimmed | 472,920 | $629K | 0.8% | 2026-Q1 |
| Potomac Capital Management, Inc. added | 315,000 | $419K | 0.6% | 2026-Q1 |
| GEODE CAPITAL MANAGEMENT, LLC added | 204,982 | $273K | 0.4% | 2026-Q1 |
| RENAISSANCE TECHNOLOGIES LLC trimmed | 202,158 | $269K | 0.4% | 2026-Q1 |
| Klingman & Associates, LLC | 148,273 | $197K | 0.3% | 2026-Q1 |
| BlackRock, Inc. trimmed | 147,847 | $197K | 0.3% | 2026-Q1 |
| TWO SIGMA INVESTMENTS, LP trimmed | 108,567 | $144K | 0.2% | 2026-Q1 |
| VANGUARD FIDUCIARY TRUST CO new | 77,519 | $103K | 0.1% | 2026-Q1 |
| Boston Partners trimmed | 68,648 | $91K | 0.1% | 2026-Q1 |
| STATE STREET CORP | 46,279 | $62K | 0.1% | 2026-Q1 |
| MORGAN STANLEY trimmed | 39,368 | $52K | 0.1% | 2026-Q1 |
| GOLDMAN SACHS GROUP INC trimmed | 31,798 | $42K | 0.1% | 2026-Q1 |
| Centiva Capital, LP new | 29,949 | $40K | 0.1% | 2026-Q1 |
| NORTHERN TRUST CORP | 29,387 | $39K | 0.1% | 2026-Q1 |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 22,800 | $30K | 0.0% | 2026-Q1 |
| Federation des caisses Desjardins du Quebec new | 22,043 | $29K | 0.0% | 2026-Q1 |
| COMMONWEALTH EQUITY SERVICES, LLC | 19,423 | $26K | 0.0% | 2026-Q1 |
| Impact Investors, Inc trimmed | 16,454 | $22K | 0.0% | 2026-Q1 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP trimmed | 15,485 | $21K | 0.0% | 2026-Q1 |
| XTX Topco Ltd added | 15,185 | $20K | 0.0% | 2026-Q1 |
| GSA CAPITAL PARTNERS LLP trimmed | 13,666 | $18K | 0.0% | 2026-Q1 |
| PlanVest Financial, Inc new | 4,409 | $6K | 0.0% | 2026-Q1 |
| Vanguard Global Advisers, LLC new | 3,930 | $5K | 0.0% | 2026-Q1 |
| WELLS FARGO & COMPANY/MN trimmed | 1,792 | $2K | 0.0% | 2026-Q1 |
| BARCLAYS PLC | 1,515 | $2K | 0.0% | 2026-Q1 |
| OSAIC HOLDINGS, INC. | 1,115 | $1K | 0.0% | 2026-Q1 |
| GROUP ONE TRADING LLC trimmed | 487 | $648 | 0.0% | 2026-Q1 |
| BNP PARIBAS FINANCIAL MARKETS | 32 | $43 | 0.0% | 2026-Q1 |
| CWM, LLC | 17 | $23 | 0.0% | 2026-Q1 |
| Bogart Wealth, LLC new | 7 | $9 | 0.0% | 2026-Q1 |
| Caitong International Asset Management Co., Ltd new | 1 | $1 | 0.0% | 2026-Q1 |
| UBS Group AG | 1 | $1 | 0.0% | 2026-Q1 |
| ROYAL BANK OF CANADA added | 19 | — | 0.0% | 2026-Q1 |
| MAINSAIL MANAGEMENT COMPANY, LLC | 31,898,071 | $66M | 88.7% | 2025-Q3 stale |
| VANGUARD GROUP INC | 605,770 | $1M | 1.4% | 2025-Q4 stale |
| CITADEL ADVISORS LLC added | 155,943 | $273K | 0.4% | 2025-Q4 stale |
| TWO SIGMA ADVISERS, LP added | 98,000 | $172K | 0.2% | 2025-Q4 stale |
| Patient Capital Management, LLC | 100,000 | $158K | 0.2% | 2025-Q1 stale |
| JANE STREET GROUP, LLC added | 61,305 | $127K | 0.2% | 2025-Q3 stale |
| Squarepoint Ops LLC added | 62,103 | $109K | 0.1% | 2025-Q4 stale |
| Kapitalo Investimentos Ltda added | 45,463 | $94K | 0.1% | 2025-Q3 stale |
| POLEN CAPITAL MANAGEMENT LLC new | 44,586 | $92K | 0.1% | 2025-Q3 stale |
| Mariner, LLC trimmed | 49,807 | $68K | 0.1% | 2025-Q2 stale |
| Laidlaw Wealth Management LLC trimmed | 31,500 | $65K | 0.1% | 2025-Q3 stale |
| SIMPLEX TRADING, LLC trimmed | 29,225 | $51K | 0.1% | 2025-Q4 stale |
| MILLENNIUM MANAGEMENT LLC trimmed | 28,765 | $50K | 0.1% | 2025-Q4 stale |
| ALGERT GLOBAL LLC new | 19,170 | $40K | 0.1% | 2025-Q3 stale |
| HRT FINANCIAL LP trimmed | 17,802 | $36K | 0.0% | 2025-Q3 stale |
| Virtu Financial LLC trimmed | 15,226 | $32K | 0.0% | 2025-Q3 stale |
| Avestar Capital, LLC | 20,000 | $28K | 0.0% | 2025-Q2 stale |
| TWO SIGMA SECURITIES, LLC new | 11,849 | $19K | 0.0% | 2025-Q1 stale |
| Orion Capital Management LLC | 3,000 | $5K | 0.0% | 2025-Q1 stale |
| Tower Research Capital LLC (TRC) added | 2,377 | $4K | 0.0% | 2025-Q4 stale |
| Truvestments Capital LLC new | 1,900 | $4K | 0.0% | 2025-Q3 stale |
| GPS Wealth Strategies Group, LLC trimmed | 400 | $828 | 0.0% | 2025-Q3 stale |
| Fortitude Family Office, LLC new | 188 | $329 | 0.0% | 2025-Q4 stale |
| BANK OF AMERICA CORP /DE/ added | 133 | $232 | 0.0% | 2025-Q4 stale |
| HUNTINGTON NATIONAL BANK | 100 | $158 | 0.0% | 2025-Q1 stale |
| Steward Partners Investment Advisory, LLC new | 44 | $77 | 0.0% | 2025-Q4 stale |
| NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO trimmed | 31 | $43 | 0.0% | 2025-Q2 stale |
| JPMORGAN CHASE & CO trimmed | 25 | $40 | 0.0% | 2025-Q1 stale |
| FMR LLC added | 2 | $3 | 0.0% | 2025-Q1 stale |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 0 | — | 0.0% | 2025-Q2 stale |
Ownership over time
Tracked institutional holder count and total shares held by filing quarter (independent scales). The curated-era tail and any mid-ingest latest quarter are handled honestly — a partial quarter is not drawn as a collapse.
Reading this table
Funds hold the same stock for different reasons — an index fund “holds” almost everything, an active manager sizes a name to a mandate and a benchmark, and each fund entered at its own price and time. Because 13F is filed up to 45 days after quarter-end, every row is a backward-looking snapshot; a manager may have traded since. Share-class siblings (a company’s A and C shares) are rolled up to one line so a dual-class name is never double-counted. Compare like-for-like. A large holder is not an endorsement, and a fund exiting is not a warning — this is a starting question, not a verdict.
About 13F filings
A Form 13F is a quarterly disclosure that institutional investment managers with over $100 million in US-listed equities must file with the SEC. In plain English: it is a snapshot of the long stock positions a fund held at the end of a quarter. It covers long US-listed equities only — not short positions, options, cash, or private holdings — and the funds shown are the large sample we track, not the complete 13F universe.