Who owns Brown Advisory Sustainable Growth ETF?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of BASG from SEC Form 13F filings across 15 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 15 institutions disclosed 18.0M shares of Brown Advisory Sustainable Growth ETF worth $479.0M — about 99.8% of shares outstanding; the largest disclosed holder is BROWN ADVISORY INC. Source: SEC Form 13F filings, parsed by EvidInvest.
15
13F holders
$479.0M
value, 2026 filers
99.8%
of shares outstanding (18.0M sh)
2
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of BASG's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | BROWN ADVISORY INC | 16.3M | $435.4M | 0.7% | 90.7% | -4.1% |
| 2 | Quantinno Capital Management LP | 499,311 | $13.3M | 0.0% | 2.8% | +58.0% |
| 3 | COMMONWEALTH EQUITY SERVICES, LLC | 301,641 | $8.0M | 0.0% | 1.7% | +18.4% |
| 4 | North Berkeley Wealth Management, LLC | 210,283 | $5.6M | 2.3% | 1.2% | +29.4% |
| 5 | BALDWIN WEALTH PARTNERS LLC/MA | 205,799 | $5.5M | 0.4% | 1.1% | +3.4% |
| 6 | Allegheny Financial Group | 191,987 | $5.1M | 0.5% | 1.1% | +50.8% |
| 7 | Modern Wealth Management, LLC | 75,903 | $2.0M | 0.0% | 0.4% | +62.6% |
| 8 | TRED AVON FAMILY WEALTH, LLC | 60,058 | $1.6M | 0.5% | 0.3% | -1.3% |
| 9 | Mutual Advisors, LLC | 41,935 | $1.1M | 0.0% | 0.2% | 0.0% |
| 10 | Armstrong, Fleming & Moore, IncNEW | 17,676 | $470,876 | 0.2% | 0.1% | new |
| 11 | ENVESTNET ASSET MANAGEMENT INC | 15,895 | $423,432 | 0.0% | 0.1% | 0.0% |
| 12 | ROMAN BUTLER FULLERTON & CO | 9,735 | $263,807 | 0.1% | 0.1% | -3.9% |
| 13 | MORGAN STANLEY | 6,419 | $170,998 | 0.0% | 0% | +36.3% |
| 14 | ROYAL BANK OF CANADA | 1,293 | $34,000 | 0.0% | 0% | 0.0% |
| 15 | UBS Group AGNEW | 163 | $4,342 | 0.0% | 0% | new |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.