Latest Period
Q1 2026
Security Snapshot
ASSURANT, INC. - Common Stock (AIZ) Institutional Ownership
CUSIP: 04621X108
13F Institutional Holders and Ownership History from Q1 2014 to Q1 2026
Institutions Reporting
572
Shares (Excl. Options)
46,970,137
Price
$217.81
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- Security type / class
- Equity / Common Stock
- Symbol
- AIZ on NYSE
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 46,970,137
- Total 13F value
- $10,228,575,283
- Portfolio coverage rank
- 0%
- Share change
- -916,692
- Value change
- -$228,248,544
- Number of holders
- 572
- Shares outstanding
- 49,747,851
- SEC-reported price per share
- $242.61
- Insider filing price
- $242.61
Latest holder snapshot
5 signals
Issuer context
3 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- AIZ - ASSURANT, INC. - Common Stock is tracked under CUSIP 04621X108.
- 572 institutions reported positions in Q1 2026.
- 6 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 562 to 572 between Q4 2025 and Q1 2026.
- SEC-reported value moved from $11,543,384,035 to $10,228,575,283.
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 572 institutions filings for Q1 2026.
Security key
04621X108
Latest holder period
Q1 2026
13F holders
572
13D/G owners
6
CIK / CUSIP context first
Open Q1 2026 holders
AIZ full holder history
ASSURANT, INC. SEC filings
ASSURANT, INC. company facts
ASSURANT, INC. insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 04621X108:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
6
Security
AIZ
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| Bank of New York Mellon Corp | 10% | +3% | $1,153,080,795 | +$18,331,518 | 5,091,314 | +1.6% | Bank of New York Mellon Corp | 30 Nov 2025 |
| VANGUARD CAPITAL MANAGEMENT LLC | 7.4% | $801,832,883 | 3,681,341 | Vanguard Capital Management | 31 Mar 2026 | |||
| T. Rowe Price Investment Management, Inc. | 7.2% | -16% | $856,569,417 | -$179,565,700 | 3,621,858 | -17% | T. Rowe Price Investment Management, Inc. | 31 Dec 2025 |
| BlackRock, Inc. | 6.3% | -21% | $630,682,538 | -$168,496,296 | 3,193,491 | -21% | BlackRock, Inc. | 30 Jun 2025 |
| STATE STREET CORP | 6% | $588,953,431 | 3,048,571 | STATE STREET CORPORATION | 31 Mar 2025 | |||
| VANGUARD PORTFOLIO MANAGEMENT LLC | 6.1% | $657,254,526 | 3,017,559 | Vanguard Portfolio Management | 31 Mar 2026 |
As of 31 Mar 2026, 572 institutional investors reported holding 46,970,137 shares of ASSURANT, INC. - Common Stock (AIZ). This represents 94% of the company’s total 49,747,851 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
70%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| Bank of New York Mellon Corp | 9.7% | 4,816,951 | -4.4% | 0.19% | $1,049,179,906 |
| BlackRock, Inc. | 7.9% | 3,945,876 | -0.75% | 0.02% | $859,451,300 |
| T. Rowe Price Investment Management, Inc. | 6.6% | 3,272,043 | -9.7% | 0.49% | $712,684,000 |
| VANGUARD CAPITAL MANAGEMENT LLC | 6.5% | 3,243,504 | 0% | 0.02% | $706,467,606 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 6% | 3,008,137 | 0% | 0.03% | $655,202,320 |
| STATE STREET CORP | 5.1% | 2,531,416 | -1.6% | 0.02% | $551,367,719 |
| GEODE CAPITAL MANAGEMENT, LLC | 2.8% | 1,406,786 | +2.5% | 0.02% | $305,912,667 |
| Invesco Ltd. | 2.5% | 1,226,447 | +15% | 0.04% | $267,132,420 |
| PRICE T ROWE ASSOCIATES INC /MD/ | 2.3% | 1,146,514 | +7.8% | 0.03% | $249,723,000 |
| DIMENSIONAL FUND ADVISORS LP | 2.3% | 1,125,406 | +22% | 0.05% | $245,120,678 |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | 1.9% | 922,421 | -3.5% | 0.07% | $200,912,517 |
| VOYA INVESTMENT MANAGEMENT LLC | 1.7% | 834,121 | +47% | 0.19% | $181,241,006 |
| FMR LLC | 1.5% | 750,361 | -43% | 0.01% | $163,436,172 |
| FULLER & THALER ASSET MANAGEMENT, INC. | 1.4% | 697,535 | -0% | 0.51% | $151,930,101 |
| NORDEA INVESTMENT MANAGEMENT AB | 1.3% | 661,921 | +13% | 0.13% | $141,962,197 |
| MORGAN STANLEY | 1.3% | 656,985 | +2.6% | 0.01% | $143,098,186 |
| FIRST TRUST ADVISORS LP | 1.3% | 632,896 | +9.2% | 0.1% | $137,851,108 |
| LYRICAL ASSET MANAGEMENT LP | 1.2% | 612,104 | -8.2% | 2% | $133,322,372 |
| NORTHERN TRUST CORP | 1% | 512,825 | -18% | 0.01% | $111,698,414 |
| SCHRODER INVESTMENT MANAGEMENT GROUP | 1% | 499,734 | +13% | 0.09% | $108,847,063 |
| Qube Research & Technologies Ltd | 0.98% | 486,578 | +19% | 0.15% | $105,981,554 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 0.94% | 466,506 | +2.9% | 0.02% | $101,609,672 |
| WELLINGTON MANAGEMENT GROUP LLP | 0.93% | 462,519 | +11% | 0.02% | $100,741,263 |
| FIL Ltd | 0.92% | 456,359 | -8.6% | 0.08% | $99,399,554 |
| FIRST MANHATTAN CO. LLC. | 0.82% | 408,589 | -1.5% | 0.25% | $88,994,770 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
49
Latest
Q1 2026
Rows shown
1-25 of 49
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 46,970,137 | $10,228,575,283 | -$228,248,544 | $217.81 | 572 |
| 2025 Q4 | 47,940,014 | $11,543,384,035 | +$119,923,039 | $240.85 | 562 |
| 2025 Q3 | 46,935,736 | $10,165,368,575 | -$221,516,197 | $216.60 | 535 |
| 2025 Q2 | 48,038,176 | $9,486,550,740 | -$143,171,503 | $197.49 | 541 |
| 2025 Q1 | 48,766,962 | $10,223,665,246 | -$1,786,752 | $209.75 | 557 |
| 2024 Q4 | 48,834,082 | $10,411,047,810 | -$27,638,534 | $213.22 | 563 |
| 2024 Q3 | 48,803,357 | $9,702,692,876 | -$60,382,331 | $198.86 | 517 |
| 2024 Q2 | 49,113,291 | $8,166,096,248 | +$76,144,498 | $166.25 | 515 |
| 2024 Q1 | 48,803,592 | $9,182,051,370 | +$25,178,861 | $188.24 | 505 |
| 2023 Q4 | 48,675,397 | $8,198,940,971 | -$159,927,415 | $168.49 | 483 |
| 2023 Q3 | 49,570,675 | $7,118,473,304 | -$59,747,392 | $143.58 | 418 |
| 2023 Q2 | 50,101,549 | $6,295,367,855 | -$10,703,575 | $125.72 | 409 |
| 2023 Q1 | 50,150,123 | $6,019,304,389 | -$62,062,421 | $120.07 | 409 |
| 2022 Q4 | 50,820,656 | $6,374,486,005 | -$118,212,211 | $125.06 | 420 |
| 2022 Q3 | 51,599,072 | $7,500,022,969 | -$742,548,569 | $145.27 | 420 |
| 2022 Q2 | 50,770,740 | $8,771,049,613 | -$75,953,536 | $172.85 | 444 |
| 2022 Q1 | 51,013,617 | $9,272,887,593 | -$252,035,425 | $181.83 | 419 |
| 2021 Q4 | 52,783,763 | $8,222,654,316 | -$255,494,012 | $155.86 | 407 |
| 2021 Q3 | 54,290,319 | $8,561,371,833 | -$418,510,455 | $157.75 | 409 |
| 2021 Q2 | 56,957,930 | $8,891,235,864 | -$92,418,232 | $156.18 | 399 |
| 2021 Q1 | 57,528,962 | $8,152,744,529 | +$236,095,868 | $141.77 | 392 |
| 2020 Q4 | 55,963,102 | $7,618,450,639 | -$53,240,244 | $136.22 | 413 |
| 2020 Q3 | 56,395,741 | $6,840,787,637 | -$54,001,141 | $121.31 | 373 |
| 2020 Q2 | 57,010,747 | $5,885,036,621 | +$12,169,945 | $103.29 | 363 |
| 2020 Q1 | 56,775,667 | $5,908,910,217 | -$57,466,696 | $104.09 | 363 |