Who owns Amerant Bancorp Inc.?
Institutional ownership of AMTB from SEC Form 13F filings across 105 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.
105
13F holders
$436.8M
value, 2026 filers
49.6%
of shares outstanding (19.4M sh)
17
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 AMTB's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | WELLINGTON MANAGEMENT GROUP LLP | 5.4M | $137.6M | 0.0% | 13.8% | -2.5% |
| 2 | BlackRock, Inc. | 2.8M | $72.2M | 0.0% | 7.2% | +1.1% |
| 3 | MANUFACTURERS LIFE INSURANCE COMPANY, THE | 2.2M | $246,268 | 0.0% | 5.6% | +21202.2% |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | 1.6M | $42.0M | 0.0% | 4.2% | -53.6% |
| 5 | GEODE CAPITAL MANAGEMENT, LLC | 922,817 | $23.6M | 0.0% | 2.4% | +0.8% |
| 6 | AMERICAN CENTURY COMPANIES INC | 846,437 | $21.6M | 0.0% | 2.2% | +60.2% |
| 7 | TWO SIGMA INVESTMENTS, LP | 700,533 | $17.9M | 0.0% | 1.8% | +59.0% |
| 8 | VANGUARD PORTFOLIO MANAGEMENT LLC | 427,065 | $10.9M | 0.0% | 1.1% | +2.0% |
| 9 | GOLDMAN SACHS GROUP INC | 343,107 | $8.8M | 0.0% | 0.9% | +14.5% |
| 10 | MENDON CAPITAL ADVISORS CORP | 327,504 | $8.4M | 3.0% | 0.8% | +19.8% |
| 11 | Sixth Street Partners Management Company, L.P.NEW | 316,910 | $8.1M | 1.4% | 0.8% | new |
| 12 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 316,910 | $8.1M | 0.0% | 0.8% | -12.3% |
| 13 | NORTHERN TRUST CORP | 303,007 | $7.7M | 0.0% | 0.8% | +0.1% |
| 14 | VANGUARD FIDUCIARY TRUST CO | 241,417 | $6.2M | 0.0% | 0.6% | -5.1% |
| 15 | UBS Group AG | 206,712 | $5.3M | 0.0% | 0.5% | -76.4% |
| 16 | CITADEL ADVISORS LLC | 200,151 | $5.1M | 0.0% | 0.5% | +680.7% |
| 17 | Bank of New York Mellon Corp | 154,525 | $3.9M | 0.0% | 0.4% | +5.6% |
| 18 | SEI INVESTMENTS CO | 149,177 | $3.8M | 0.0% | 0.4% | -24.8% |
| 19 | Qube Research & Technologies LtdNEW | 116,923 | $3.0M | 0.0% | 0.3% | new |
| 20 | JPMORGAN CHASE & CO | 110,611 | $2.8M | 0.0% | 0.3% | -6.0% |
| 21 | TEACHERS RETIREMENT SYSTEM OF THE STATE OF KENTUCKY | 106,224 | $2,711 | 0.0% | 0.3% | 0.0% |
| 22 | D. E. Shaw & Co., Inc. | 90,139 | $2.3M | 0.0% | 0.2% | +14.8% |
| 23 | Quantinno Capital Management LP | 89,093 | $2.3M | 0.0% | 0.2% | +61.4% |
| 24 | Nuveen, LLC | 81,329 | $2.1M | 0.0% | 0.2% | 0.0% |
| 25 | MARSHALL WACE, LLPNEW | 78,614 | $2.0M | 0.0% | 0.2% | 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.