Aflac Incorporated
MX ˙ BMV ˙ US0010551028
SecurityMX:AFL / Aflac Incorporated
InstitutionTwo Sigma Advisers, Lp
Latest Disclosed Ownership152,600 shares
Latest Disclosed Value $ 16,827,202
Two Sigma Advisers, Lp ownership in AFL / Aflac Incorporated

On February 17, 2026 - Two Sigma Advisers, Lp filed a 13F-HR form disclosing ownership of 152,600 shares of Aflac Incorporated (MX:AFL) valued at $16,827,202 USD as of December 31, 2025. The entity filed a previous 13F-HR on November 14, 2025 disclosing 296,489 shares of Aflac Incorporated. This represents a change in shares of -48.53% during the quarter.

Two Sigma Advisers, Lp has a history of taking positions in derivatives of the underlying security (AFL) in the form of stock options. The firm currently holds call options representing 0 of underlying shares valued at $0 USD and put options representing 0 of underlying shares valued at $0 USD .

Note: prior versions of this page mistakenly stated that the share values represented the number of options, not the number of underlying shares. For more information on the data backing these reports, please see the SEC document Frequently Asked Questions About Form 13F.

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:AFL / Aflac Incorporated 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)
2026-02-17 2025-12-31 13F AFLAC COM 001055102 152,600 -143,889 -48.53 16,827 -49.19 0.0327
2025-11-14 2025-09-30 13F AFLAC COM 001055102 296,489 256,589 643.08 33,118 687.19 0.0663
2025-08-14 2025-06-30 13F AFLAC COM 001055102 39,900 39,900 4,208 0.0086
2021-05-17 2021-03-31 13F AFLAC COM 001055102 0 -94,700 -100.00 0 -100.00
2021-02-16 2020-12-31 13F AFLAC COM 001055102 94,700 -34,700 -26.82 4,211 -10.48 0.0113
2020-11-16 2020-09-30 13F AFLAC COM 001055102 129,400 -167,700 -56.45 4,704 -56.06 0.0134
2020-09-15 2020-06-30 13F/A-1 AFLAC COM 001055102 297,100 123,300 70.94 10,705 79.89 0.0315
2020-08-14 2020-06-30 13F AFLAC COM 001055102 297,100 123,300 10,705 30,933.8947
2020-05-15 2020-03-31 13F AFLAC COM 001055102 173,800 173,800 5,951 0.0228
2019-08-14 2019-06-30 13F AFLAC COM 001055102 0 -4,266 -100.00 0 -100.00
2019-05-15 2019-03-31 13F AFLAC COM 001055102 4,266 -208,592 -98.00 213 -97.80 0.0005
2019-02-14 2018-12-31 13F AFLAC COM 001055102 212,858 -941,900 -81.57 9,698 -82.16 0.0265
2018-11-14 2018-09-30 13F AFLAC COM 001055102 1,154,758 1,089,500 1,669.53 54,354 1,836.37 0.1326
2018-08-14 2018-06-30 13F AFLAC COM 001055102 65,258 65,258 2,807 0.0076
2018-02-14 2017-12-31 13F AFLAC COM 001055102 0 -10,583 -100.00 0 -100.00
2017-11-14 2017-09-30 13F AFLAC COM 001055102 10,583 -74,346 -87.54 861 -86.95 0.0024
2017-08-14 2017-06-30 13F AFLAC COM 001055102 84,929 -525,305 -86.08 6,597 -85.07 0.0218
2017-05-15 2017-03-31 13F AFLAC COM 001055102 610,234 401,262 192.02 44,193 203.86 0.1449
2017-02-14 2016-12-31 13F AFLAC COM 001055102 208,972 208,972 0.00 14,544 0.0556
2016-08-15 2016-06-30 13F AFLAC COM 001055102 0 -166,310 -100.00 0 -100.00
2016-05-16 2016-03-31 13F AFLAC COM 001055102 166,310 131,506 377.85 10,501 403.65 0.0588
2016-02-16 2015-12-31 13F AFLAC COM 001055102 34,804 -276,612 -88.82 2,085 -88.48 0.0124
2015-11-16 2015-09-30 13F AFLAC COM 001055102 311,416 -114,382 -26.86 18,103 -31.65 0.1142
2016-02-09 2015-06-30 13F/A-1 AFLAC COMMON STOCK 001055102 425,798 85,172 25.00 26,485 21.47 0.2038
2015-08-14 2015-06-30 13F AFLAC COMMON STOCK 001055102 424,298 26,391
2016-02-09 2015-03-31 13F/A-1 AFLAC COM 001055102 340,626 -590,400 -63.41 21,803 -61.67 0.1673
2015-05-15 2015-03-31 13F AFLAC COM 001055102 330,526 21,157
2016-02-09 2014-12-31 13F/A-1 AFLAC COMMON STOCK 001055102 931,026 23,700 2.61 56,876 7.61 0.4546
2015-02-17 2014-12-31 13F AFLAC COMMON STOCK 001055102 949,326 57,958
2016-02-09 2014-09-30 13F/A-1 AFLAC COM 001055102 907,326 775,100 586.19 52,852 542.11 0.4165
2014-11-14 2014-09-30 13F AFLAC COM 001055102 916,526 53,368
2016-02-09 2014-06-30 13F/A-2 AFLAC COM 001055102 132,226 60,600 84.61 8,231 82.26 2.2515
2014-05-15 2014-03-31 13F AFLAC COM 001055102 71,626 59,900 510.83 4,516 476.02 0.0411
2014-02-14 2013-12-31 13F AFLAC COM 001055102 11,726 -192,500 -94.26 784 -93.81 0.0076
2013-11-14 2013-09-30 13F Aflac Common Stock 001055102 204,226 120,500 143.92 12,661 160.25 0.1509
2013-08-14 2013-06-30 13F AFLAC COM 001055102 83,726 83,726 4,865 0.0695
Disclosed Call 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
(%)
2016-05-16 2016-03-31 13F AFLAC COM Call 0 0 n/a n/a n/a
2016-02-09 2014-09-30 13F/A AFLAC COM Call 0 -100.00 0 -100.00 n/a n/a n/a
2016-02-09 2014-06-30 13F/A AFLAC COM Call 11,000 -50.00 685 -50.61 n/a n/a n/a
2014-05-15 2014-03-31 13F AFLAC COM Call 22,000 -37.85 1,387 -36.78 n/a n/a n/a
2014-02-14 2013-12-31 13F AFLAC COM Call 0 -100.00 0 -100.00 n/a n/a n/a
2013-11-14 2013-09-30 13F AFLAC COM Call 35,400 405.71 2,194 439.07 n/a n/a n/a
2013-08-14 2013-06-30 13F AFLAC COM Call 7,000 407 n/a n/a n/a
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
(%)
2016-05-16 2016-03-31 13F AFLAC COM Put 0 0 n/a n/a n/a
2016-02-09 2014-09-30 13F/A AFLAC COM Put 0 -100.00 0 -100.00 n/a n/a n/a
2016-02-09 2014-06-30 13F/A AFLAC COM Put 24,000 -14.29 1,494 -15.35 n/a n/a n/a
2014-05-15 2014-03-31 13F AFLAC COM Put 28,000 -40.55 1,765 -39.55 n/a n/a n/a
2014-02-14 2013-12-31 13F AFLAC COM Put 0 -100.00 0 -100.00 n/a n/a n/a
2013-11-14 2013-09-30 13F AFLAC COM Put 47,100 488.75 2,920 527.96 n/a n/a n/a
2013-08-14 2013-06-30 13F AFLAC COM Put 8,000 465 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.