Who owns Assurant, Inc.?
Institutional ownership of AIZ from SEC Form 13F filings across 395 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.
395
13F holders
$9.73B
value, 2026 filers
74.7%
of shares outstanding (37.7M sh)
55
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 AIZ's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 5.0M | $1.35B | 0.0% | 9.9% | +27.0% |
| 2 | Bank of New York Mellon Corp | 4.7M | $1.27B | 0.2% | 9.4% | -1.8% |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | 3.2M | $869.2M | 0.0% | 6.4% | -50.1% |
| 4 | VANGUARD PORTFOLIO MANAGEMENT LLC | 2.8M | $761.6M | 0.0% | 5.6% | -5.7% |
| 5 | GEODE CAPITAL MANAGEMENT, LLC | 1.4M | $379.9M | 0.0% | 2.8% | +0.7% |
| 6 | Invesco Ltd. | 1.2M | $329.4M | 0.0% | 2.4% | 0.0% |
| 7 | PRICE T ROWE ASSOCIATES INC /MD/ | 1.1M | $307,100 | 0.0% | 2.3% | -0.3% |
| 8 | BANK OF AMERICA CORP /DE/ | 1.0M | $269.6M | 0.0% | 2% | +178.0% |
| 9 | MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | 920,398 | $247.2M | 0.1% | 1.8% | -0.2% |
| 10 | MORGAN STANLEY | 777,257 | $208.7M | 0.0% | 1.5% | +18.3% |
| 11 | VOYA INVESTMENT MANAGEMENT LLC | 754,475 | $202.1M | 0.2% | 1.5% | -9.5% |
| 12 | FMR LLC | 689,904 | $185.3M | 0.0% | 1.4% | -8.1% |
| 13 | NORGES BANKNEW | 651,725 | $175.0M | 0.0% | 1.3% | new |
| 14 | FIRST TRUST ADVISORS LP | 612,525 | $164.5M | 0.1% | 1.2% | -3.2% |
| 15 | NORDEA INVESTMENT MANAGEMENT AB | 512,613 | $138.0M | 0.1% | 1% | -22.6% |
| 16 | NORTHERN TRUST CORP | 503,434 | $135.2M | 0.0% | 1% | -1.8% |
| 17 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 477,030 | $128.1M | 0.1% | 0.9% | +200.2% |
| 18 | Qube Research & Technologies Ltd | 465,890 | $125.1M | 0.1% | 0.9% | -4.3% |
| 19 | Sixth Street Partners Management Company, L.P.NEW | 465,243 | $124.9M | 21.6% | 0.9% | new |
| 20 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 465,243 | $124.9M | 0.0% | 0.9% | -0.3% |
| 21 | FIL Ltd | 414,275 | $111.2M | 0.1% | 0.8% | -9.2% |
| 22 | FIRST MANHATTAN CO. LLC. | 405,627 | $108.9M | 0.3% | 0.8% | -0.7% |
| 23 | Woodline Partners LP | 390,528 | $104.9M | 0.3% | 0.8% | -45.2% |
| 24 | WELLINGTON MANAGEMENT GROUP LLP | 345,193 | $92.7M | 0.0% | 0.7% | -25.4% |
| 25 | NOMURA ASSET MANAGEMENT INTERNATIONAL INC. | 308,532 | $82.8M | 0.1% | 0.6% | -3.9% |
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.