Assurant, Inc.
MX ˙ BMV ˙ US04621X1081
SecurityMX:AIZ / Assurant, Inc.
InstitutionNomura Holdings Inc
Latest Disclosed Ownership1,311 shares
Latest Disclosed Value $ 285,549
Nomura Holdings Inc ownership in AIZ / Assurant, Inc.

On May 15, 2026 - Nomura Holdings Inc filed a 13F-HR form disclosing ownership of 1,311 shares of Assurant, Inc. (MX:AIZ) valued at $285,549 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 17, 2026 disclosing 1,551 shares of Assurant, Inc.. This represents a change in shares of -15.47% during the quarter.

Nomura Holdings Inc has a history of taking positions in derivatives of the underlying security (AIZ) in the form of stock options.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Institutional Put/Call Ratios
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In addition to reporting standard equity and debt issues, institutions with more than 100MM assets under management must also disclose their put and call option holdings. Since put options generally indicate negative sentiment, and call options indicate positive sentiment, we can get a sense of the overall institutional sentiment by plotting the ratio of puts to calls. The chart to the right plots the historical put/call ratio for this instrument.

Using Put/Call Ratio as an indicator of investor sentiment overcomes one of the key deficiencies of using total institutional ownership, which is that a significant amount of assets under management are invested passively to track indices. Passively-managed funds do not typically buy options, so the put/call ratio indicator more closely tracks the sentiment of actively-managed funds.

MX:AIZ / Assurant, Inc. Historical Put/Call Ratio
Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date
Effective
Date
Form Security Class ID Avg Price
Paid (Est)
Reported
Shares
ΔShares ΔShares
(%)
Reported
Value
(x1000)
ΔValue
(%)
Alloc
(%)
ΔAlloc ΔAlloc (%) Cost Basis
(x1000)
Unrealized
Gain/Loss
(x1000)
2026-05-15 2026-03-31 13F ASSURANT COM 04621X108 1,311 -240 -15.47 286 -23.59 0.0008
2026-02-17 2025-12-31 13F ASSURANT COM 04621X108 1,551 338 27.86 374 42.37 0.0005
2025-11-14 2025-09-30 13F ASSURANT COM 04621X108 1,213 1,213 263 0.0004
2025-08-18 2025-06-30 13F/A-1 ASSURANT COM 04621X108 0 -1,622 -100.00 0 -100.00
2025-08-14 2025-06-30 13F ASSURANT COM 04621X108 0 0
2025-05-15 2025-03-31 13F ASSURANT COM 04621X108 1,622 -70 -4.14 340 -5.56 0.0006
2025-02-14 2024-12-31 13F ASSURANT COM 04621X108 1,692 1,692 361 0.0005
2022-02-14 2021-12-31 13F ASSURANT CMN 04621X108 0 -2,445 -100.00 0 -100.00
2021-11-15 2021-09-30 13F ASSURANT CMN 04621X108 2,445 374 18.06 389 20.43 0.0010
2021-08-16 2021-06-30 13F ASSURANT CMN 04621X108 2,071 2,071 323 0.0008
2021-05-17 2021-03-31 13F ASSURANT CMN 04621X108 0 -2,749 -100.00 0 -100.00 0.0000
2021-02-16 2020-12-31 13F ASSURANT CMN 04621X108 2,749 -1,432 -34.25 0 -100.00 0.0006
2020-11-12 2020-09-30 13F ASSURANT CMN 04621X108 4,181 -9,693 -69.86 505 -64.78 0.0011
2020-08-14 2020-06-30 13F ASSURANT CMN 04621X108 13,874 13,874 231.83 1,434 183.96 0.0050
2018-08-17 2018-06-30 13F/A-1 ASSURANT CMN 04621X108 0 -43,953 -100.00 0 -100.00
2018-05-14 2018-03-31 13F/A-1 ASSURANT CMN 04621X108 43,953 -54,282 -55.26 4,013 -59.49 0.0069
2018-05-14 2018-03-31 13F ASSURANT CMN 04621X108 142,188 13,918
2018-02-14 2017-12-31 13F ASSURANT CMN 04621X108 98,235 92,197 1,526.95 9,905 1,619.62 0.0176
2017-11-14 2017-09-30 13F ASSURANT CMN 04621X108 6,038 1,878 45.14 576 33.33 0.0012
2017-08-15 2017-06-30 13F ASSURANT CMN 04621X108 4,160 -3,483 -45.57 432 -39.07 0.0011
2017-02-13 2016-12-31 13F ASSURANT CMN 04621X108 7,643 7,643 83.73 709 64.12 0.0018
2015-11-16 2015-09-30 13F ASSURANT CMN 04621X108 0 -30,822 -100.00 0 -100.00
2015-08-14 2015-06-30 13F ASSURANT CMN 04621X108 30,822 30,822 0.00 2,068 0.0058
2015-05-15 2015-03-31 13F ASSURANT CMN 04621X108 0 -14,205 -100.00 0 -100.00
2015-02-17 2014-12-31 13F ASSURANT CMN 04621X108 14,205 -5,767 -28.88 970 -24.98 0.0026
2014-11-14 2014-09-30 13F ASSURANT CMN 04621X108 19,972 -39,560 -66.45 1,293 -66.96 0.0035
2014-08-13 2014-06-30 13F ASSURANT CMN 04621X108 59,532 22,744 61.82 3,913 63.79 0.0011
2014-05-14 2014-03-31 13F ASSURANT CMN 04621X108 36,788 25,401 223.07 2,389 216.42 0.0007
2014-02-14 2013-12-31 13F ASSURANT CMN 04621X108 11,387 -18,569 -61.99 755 -53.51 0.0035
2013-11-14 2013-09-30 13F ASSURANT CMN 04621X108 29,956 24,490 448.04 1,624 484.17 0.0098
2013-08-15 2013-06-30 13F ASSURANT CMN 04621X108 5,466 -2,993 -35.38 278 -26.84 0.0023
2013-08-16 2013-03-31 13F/A-2 ASSURANT CMN 04621X108 8,459 -8,856 -51.15 380 -36.77 0.0040
2013-08-16 2012-12-31 13F/A-1 ASSURANT CMN 04621X108 17,315 17,315 601 0.0067
Disclosed Put Options
File
Date
Effective
Date
Form Security Class ID Opt Avg Share Price Shares ΔShares
(%)
Value
(x1000)
ΔValue
(%)
Prior Allocation
(%)
Allocation
(%)
ΔAllocation
(%)
Cost Basis
(x1000)
Profit
(x1000)
Return
(%)
2018-08-17 2018-06-30 13F/A ASSURANT CMN Put 0 -100.00 0 -100.00 n/a n/a n/a
2018-05-14 2018-03-31 13F/A ASSURANT CMN Put 90,000 150.00 8,215 126.31 n/a n/a n/a
2018-05-14 2018-03-31 13F ASSURANT CMN Put 126,000 11,845 n/a n/a n/a
2018-02-14 2017-12-31 13F ASSURANT CMN Put 36,000 3,630 n/a n/a n/a
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.