Latest Period
Q1 2026
Security Snapshot
Advisors' Inner Circle Fund III - Brown Advisory Sustainable Growth ETF (BASG) Institutional Ownership
CUSIP: 00775Y272
13F Institutional Holders and Ownership History from Q2 2025 to Q1 2026
Institutions Reporting
15
Shares (Excl. Options)
18,304,876
Price
$22.72
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- Type / Class
- Equity / Brown Advisory Sustainable Growth ETF
- Symbol
- BASG
- Shares outstanding
- 20,713,548
- Price per share
- $24.98
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 18,304,876
- Total reported value
- $415,890,930
- % of total 13F portfolios
- 0%
- Share change
- -3,654,119
- Value change
- -$91,075,193
- Number of holders
- 15
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors
Key facts
- BASG - Advisors' Inner Circle Fund III - Brown Advisory Sustainable Growth ETF is tracked under CUSIP 00775Y272.
- 15 institutions reported positions in Q1 2026.
- 1 significant owner is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 13 to 15 between Q4 2025 and Q1 2026.
- Reported value moved from $568,072,186 to $415,890,930.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC Evidence
Latest holder context comes from 15 institutions filings for Q1 2026.
Security key
00775Y272
Latest holder period
Q1 2026
13F holders
15
13D/G owners
1
CIK / CUSIP context first
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 00775Y272:
Significant Owners of Advisors' Inner Circle Fund III - Brown Advisory Sustainable Growth ETF (BASG) based on Schedule 13D/G filings
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| BROWN ADVISORY INC | 92% | -8.1% | $502,924,541 | +$9,630,169 | 19,035,751 | +2% | BROWN ADVISORY INC | 31 Aug 2025 |
As of 31 Mar 2026, 15 institutional investors reported holding 18,304,876 shares of Advisors' Inner Circle Fund III - Brown Advisory Sustainable Growth ETF (BASG). This represents 88% of the company’s total 20,713,548 outstanding shares.
Top 18 Institutional Shareholders
The largest institutional shareholders of Advisors' Inner Circle Fund III - Brown Advisory Sustainable Growth ETF (BASG) together control 88% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| BROWN ADVISORY INC | 82% | 17,045,458 | -9% | 0.64% | $387,272,784 |
| Quantinno Capital Management LP | 1.5% | 315,920 | +15% | 0.01% | $7,177,702 |
| COMMONWEALTH EQUITY SERVICES, LLC | 1.2% | 254,753 | +59% | 0.01% | $5,787,990 |
| BALDWIN WEALTH PARTNERS LLC/MA | 0.96% | 198,958 | 0.33% | $4,520,326 | |
| North Berkeley Wealth Management, LLC | 0.78% | 162,505 | +114% | 2% | $3,692,114 |
| Allegheny Financial Group | 0.61% | 127,318 | +110% | 0.39% | $2,892,671 |
| TRED AVON FAMILY WEALTH, LLC | 0.29% | 60,833 | -7.5% | 0.46% | $1,382,126 |
| Modern Wealth Management, LLC | 0.23% | 46,684 | +403% | 0.02% | $1,062,528 |
| Mutual Advisors, LLC | 0.2% | 41,935 | 0.02% | $952,763 | |
| ENVESTNET ASSET MANAGEMENT INC | 0.08% | 15,895 | 0% | $361,134 | |
| Frontier Asset Management, LLC | 0.06% | 11,990 | -30% | 0.06% | $272,413 |
| ROMAN BUTLER FULLERTON & CO | 0.05% | 10,126 | 0% | 0.07% | $237,476 |
| JPMORGAN CHASE & CO | 0.03% | 6,500 | 0% | $142,937 | |
| MORGAN STANLEY | 0.02% | 4,708 | 0% | $106,966 | |
| ROYAL BANK OF CANADA | 0.01% | 1,293 | 0% | 0% | $29,000 |
| Advisor OS, LLC | 0% | 0 | -100% | $0 | |
| KEYBANK NATIONAL ASSOCIATION/OH | 0% | 0 | -100% | $0 | |
| MJP ASSOCIATES INC /ADV | 0% | 0 | -100% | $0 |
Institutional Holders of Advisors' Inner Circle Fund III - Brown Advisory Sustainable Growth ETF (BASG) across Reporting Periods
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 18,304,876 | $415,890,930 | -$91,075,193 | $22.72 | 15 |
| 2025 Q4 | 21,958,995 | $568,072,186 | +$8,400,124 | $25.87 | 13 |
| 2025 Q3 | 21,634,009 | $573,041,645 | +$78,477,613 | $26.49 | 4 |
| 2025 Q2 | 18,671,248 | $489,601,199 | +$489,601,199 | $26.22 | 1 |