ASSURANT INC (AIZ) Institutional Shareholders
ASSURANT INC (AIZ) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026. The institutional investors covered on this page collectively reported approximately $12.96B in AIZ holdings during the latest filing period.
Blackrock, Inc. is currently the largest disclosed institutional shareholder of AIZ tracked by InsiderSet, reporting ownership valued at approximately $1.35B in its June 30, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $1.42B, representing an estimated gain of +5.69% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 53% of the total disclosed AIZ value among the investors covered in this analysis. Major shareholders include Blackrock, Inc., Bank Of New York Mellon Corp, Vanguard Capital Management Llc, and several other long-term asset managers with concentrated positions in ASSURANT INC (AIZ).
This page ranks the largest institutional AIZ shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
588
Total Reported Value
$12.96B
Largest Holder
Blackrock, Inc.
Largest Position
$1.35B
Insider Transactions (90d)
3
Latest Filing Quarter
Q2 2026
New Institutional Positions
59
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Blackrock, Inc. | 0.02% | 5,009,537 | $1,345,211,090 | $1,421,756,696 | +$76,545,606 | +5.69% | |
| Bank Of New York Mellon Corp | 0.21% | 4,727,930 | $1,269,590,915 | $1,341,833,813 | +$72,242,898 | +5.69% | |
| Vanguard Capital Management Llc | 0.02% | 3,236,936 | $869,214,424 | $918,674,806 | +$49,460,382 | +5.69% | |
| Vanguard Portfolio Management Llc | 0.03% | 2,836,307 | $761,633,519 | $804,972,290 | +$43,338,771 | +5.69% | |
| State Street Corp | 0.02% | 2,541,897 | $682,575,601 | $721,415,788 | +$38,840,187 | +5.69% | |
| T. Rowe Price Investment Management, Inc. | 0.43% | 2,427,220 | $651,782,000 | $688,869,308 | +$37,087,308 | +5.69% | |
| Geode Capital Management, Llc | 0.02% | 1,417,209 | $379,919,521 | $402,218,086 | +$22,298,565 | +5.87% | |
| Invesco Ltd. | 0.03% | 1,226,729 | $329,413,540 | $348,157,957 | +$18,744,417 | +5.69% | |
| Dimensional Fund Advisors Lp | 0.06% | 1,199,305 | $322,049,005 | $340,374,752 | +$18,325,747 | +5.69% | |
| Price T Rowe Associates Inc | 0.03% | 1,143,631 | $307,100,000 | $324,573,914 | +$17,473,914 | +5.69% | |
| Bank Of America Corp | 0.02% | 1,004,116 | $269,635,349 | $284,978,162 | +$15,342,813 | +5.69% | |
| Massachusetts Financial Services Co | 0.08% | 920,398 | $247,154,475 | $261,218,156 | +$14,063,681 | +5.69% | |
| Fuller & Thaler Asset Management, Inc. | 0.66% | 896,364 | $240,700,495 | $254,397,067 | +$13,696,572 | +5.69% | |
| Morgan Stanley | 0.01% | 777,257 | $208,717,075 | $220,593,309 | +$11,876,234 | +5.69% | |
| Voya Investment Management Llc | 0.17% | 754,475 | $202,096,364 | $214,127,550 | +$12,031,186 | +5.95% | |
| Fmr Llc | 0.01% | 689,904 | $185,260,163 | $195,801,654 | +$10,541,491 | +5.69% | |
| Norges Bank | 0.02% | 651,725 | $175,007,714 | $184,966,072 | +$9,958,358 | +5.69% | |
| First Trust Advisors Lp | 0.10% | 612,525 | $164,481,382 | $173,840,720 | +$9,359,338 | +5.69% | |
| Lyrical Asset Management Lp | 1.98% | 582,803 | $156,500,090 | $165,405,319 | +$8,905,229 | +5.69% | |
| Schroder Investment Management Group | 0.10% | 548,785 | $147,365,235 | $155,750,671 | +$8,385,436 | +5.69% | |
| Nordea Investment Management Ab | 0.11% | 512,613 | $137,954,410 | $145,484,696 | +$7,530,286 | +5.46% | |
| Northern Trust Corp | 0.02% | 503,434 | $135,187,131 | $142,879,604 | +$7,692,473 | +5.69% | |
| Arrowstreet Capital, Limited Partnership | 0.06% | 477,030 | $128,096,866 | $135,385,884 | +$7,289,018 | +5.69% | |
| Qube Research & Technologies Ltd | 0.14% | 465,890 | $125,105,442 | $132,224,241 | +$7,118,799 | +5.69% | |
| Charles Schwab Investment Management Inc | 0.02% | 465,243 | $124,931,703 | $132,040,616 | +$7,108,913 | +5.69% | |
| Gillson Capital Lp | 7.35% | 464,516 | $124,736,000 | $131,834,286 | +$7,098,286 | +5.69% | |
| Fil Ltd | 0.08% | 414,275 | $111,245,266 | $117,575,388 | +$6,330,122 | +5.69% | |
| First Manhattan Co. Llc. | 0.28% | 405,627 | $108,923,018 | $115,120,999 | +$6,197,981 | +5.69% | |
| Woodline Partners Lp | 0.32% | 390,528 | $104,868,484 | $110,835,752 | +$5,967,268 | +5.69% | |
| Wellington Management Group Llp | 0.02% | 345,193 | $92,694,676 | $97,969,225 | +$5,274,549 | +5.69% | |
| Jupiter Asset Management Ltd | 0.44% | 327,512 | $87,946,798 | $92,951,181 | +$5,004,383 | +5.69% | |
| Nomura Asset Management International Inc. | 0.12% | 308,532 | $82,850,000 | $87,564,467 | +$4,714,467 | +5.69% | |
| Goldman Sachs Group Inc | 0.01% | 299,973 | $80,551,683 | $85,135,337 | +$4,583,654 | +5.69% | |
| Deutsche Bank Ag\ | 0.02% | 285,698 | $76,718,484 | $81,083,949 | +$4,365,465 | +5.69% | |
| Vanguard Fiduciary Trust Co | 0.02% | 277,979 | $74,645,701 | $78,893,220 | +$4,247,519 | +5.69% | |
| Clark Capital Management Group, Inc. | 0.36% | 246,107 | $66,087,034 | $69,847,628 | +$3,760,594 | +5.69% | |
| Two Sigma Investments, Lp | 0.05% | 240,181 | $64,495,804 | $68,165,770 | +$3,669,966 | +5.69% | |
| American Century Companies Inc | 0.03% | 238,400 | $64,017,552 | $67,660,304 | +$3,642,752 | +5.69% | |
| Gw&K Investment Management, Llc | 0.50% | 237,825 | $63,864,000 | $67,497,113 | +$3,633,113 | +5.69% | |
| Envestnet Asset Management Inc | 0.01% | 223,542 | $60,027,833 | $63,443,455 | +$3,415,622 | +5.69% | |
| Td Asset Management Inc | 0.05% | 210,486 | $56,521,806 | $59,738,032 | +$3,216,226 | +5.69% | |
| Ubs Group Ag | 0.01% | 202,606 | $54,405,789 | $57,501,609 | +$3,095,820 | +5.69% | |
| Adage Capital Partners Gp, L.L.C. | 0.07% | 184,140 | $49,447,114 | $52,260,773 | +$2,813,659 | +5.69% | |
| Aqr Capital Management Llc | 0.02% | 182,192 | $48,765,653 | $51,707,912 | +$2,942,259 | +6.03% | |
| Victory Capital Management Inc | 0.03% | 173,323 | $46,542,425 | $49,190,801 | +$2,648,376 | +5.69% | |
| Jpmorgan Chase & Co | 0.00% | 146,874 | $39,979,216 | $41,684,310 | +$1,705,094 | +4.26% | |
| Millennium Management Llc | 0.03% | 146,019 | $39,210,482 | $41,441,652 | +$2,231,170 | +5.69% | |
| Gotham Asset Management, Llc | 0.09% | 139,773 | $37,533,244 | $39,668,975 | +$2,135,731 | +5.69% | |
| Ubs Am, A Distinct Business Unit Of Ubs Asset Management Americas Llc | 0.01% | 169,899 | $37,005,701 | $48,219,035 | +$11,213,334 | +30.30% | |
| D. E. Shaw & Co., Inc. | 0.02% | 133,460 | $35,838,014 | $37,877,283 | +$2,039,269 | +5.69% |
Frequently asked questions about AIZ
Who owns the most AIZ stock?
The largest holders of AIZ are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for ASSURANT INC (AIZ).
Is AIZ widely held by superinvestors?
Many widely followed stocks like AIZ appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly AIZ is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.