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 Q2 2026
Institutions Reporting
15
Shares (Excl. Options)
18,304,876
Price
$22.72
Save this security page for your next review
Keep this CUSIP in your watchlists so you can revisit quarter changes from one place. If you create an account from here, we will bring you back after verification.
- Security type / class
- Equity / Brown Advisory Sustainable Growth ETF
- Symbol
- BASG
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 18,304,876
- Total 13F value
- $415,890,930
- Portfolio coverage rank
- 0%
- Share change
- -3,654,119
- Value change
- -$91,075,193
- Number of holders
- 15
- Shares outstanding
- 20,713,548
- SEC-reported price per share
- $26.64
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
2 identity fields
13F Shares, Excluding Options vs Price
13F 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 15 to 2 between Q1 2026 and Q2 2026.
- SEC-reported value moved from $415,890,930 to $10,596,742.
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:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
1
Security
BASG
| 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.
13F concentration
Top 18 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
88%
| 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 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
5
Latest
Q1 2026
Rows shown
1-5 of 5
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q2 | 397,786 | $10,596,742 | +$1,904,976 | $26.64 | 2 |
| 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 |