Assured Guaranty Ltd.
US ˙ NYSE ˙ BMG0585R1060

SecurityAGO / Assured Guaranty Ltd.
InstitutionCitigroup Inc
Latest Disclosed Ownership23,978 shares
Latest Disclosed Value $ 1,953,728
Citigroup Inc ownership in AGO / Assured Guaranty Ltd.

On May 11, 2026 - Citigroup Inc filed a 13F-HR form disclosing ownership of 23,978 shares of Assured Guaranty Ltd. (US:AGO) valued at $1,953,727 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 13, 2026 disclosing 24,701 shares of Assured Guaranty Ltd.. This represents a change in shares of -2.93% during the quarter. The current value of the position is $1,771,255 USD.

Citigroup Inc has a history of taking positions in derivatives of the underlying security (AGO) 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.

Upgrade to unlock premium data and export to Excel .

Institutional Put/Call Ratios
(Premium Subscription Required)

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.

AGO / Assured Guaranty Ltd. 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)
2026-05-11 2026-03-31 13F ASSURED GUARANTY COM G0585R106 23,978 -723 -2.93 1,954 -11.99 0.0004
2026-02-13 2025-12-31 13F ASSURED GUARANTY COM G0585R106 24,701 -6,271 -20.25 2,220 -15.34 0.0010
2025-11-10 2025-09-30 13F ASSURED GUARANTY COM G0585R106 30,972 -3,810 -10.95 2,622 -13.47 0.0012
2025-08-11 2025-06-30 13F ASSURED GUARANTY COM G0585R106 34,782 -9,840 -22.05 3,030 -22.95 0.0015
2025-05-12 2025-03-31 13F ASSURED GUARANTY COM G0585R106 44,622 5,714 14.69 3,931 12.25 0.0020
2025-02-12 2024-12-31 13F ASSURED GUARANTY COM G0585R106 38,908 5,868 17.76 3,502 33.31 0.0021
2024-11-12 2024-09-30 13F ASSURED GUARANTY COM G0585R106 33,040 1,441 4.56 2,627 7.80 0.0015
2024-08-12 2024-06-30 13F ASSURED GUARANTY COM G0585R106 31,599 -1,391 -4.22 2,438 -15.32 0.0016
2024-05-10 2024-03-31 13F ASSURED GUARANTY COM G0585R106 32,990 -6,215 -15.85 2,878 -1.88 0.0019
2024-02-09 2023-12-31 13F ASSURED GUARANTY COM G0585R106 39,205 9,114 30.29 2,934 61.07 0.0021
2023-12-06 2023-09-30 13F/A-1 ASSURED GUARANTY COM G0585R106 30,091 -8,947 -22.92 1,821 -16.39 0.0014
2023-11-09 2023-09-30 13F ASSURED GUARANTY COM G0585R106 30,091 -8,947 1,821 0.0005
2023-08-10 2023-06-30 13F ASSURED GUARANTY COM G0585R106 39,038 1,956 5.27 2,178 16.85 0.0014
2023-05-11 2023-03-31 13F ASSURED GUARANTY COM G0585R106 37,082 -7,801 -17.38 1,864 -33.29 0.0013
2023-02-09 2022-12-31 13F ASSURED GUARANTY COM G0585R106 44,883 6,643 17.37 2,794 50.78 0.0022
2022-11-10 2022-09-30 13F ASSURED GUARANTY COM G0585R106 38,240 -5,474 -12.52 1,853 -24.03 0.0013
2022-08-10 2022-06-30 13F ASSURED GUARANTY COM G0585R106 43,714 -38,114 -46.58 2,439 -53.18 0.0018
2022-05-12 2022-03-31 13F ASSURED GUARANTY COM G0585R106 81,828 10,166 14.19 5,209 44.82 0.0032
2022-02-10 2021-12-31 13F ASSURED GUARANTY COM G0585R106 71,662 4,534 6.75 3,597 14.48 0.0019
2021-11-10 2021-09-30 13F ASSURED GUARANTY COM G0585R106 67,128 -23,755 -26.14 3,142 -27.20 0.0019
2021-08-10 2021-06-30 13F ASSURED GUARANTY COM G0585R106 90,883 5,984 7.05 4,316 20.26 0.0026
2021-05-13 2021-03-31 13F ASSURED GUARANTY COM G0585R106 84,899 23,509 38.29 3,589 85.57 0.0023
2021-02-11 2020-12-31 13F ASSURED GUARANTY COM G0585R106 61,390 5,515 9.87 1,934 61.03 0.0011
2020-11-12 2020-09-30 13F ASSURED GUARANTY COM G0585R106 55,875 -16,729 -23.04 1,201 -32.30 0.0008
2020-08-12 2020-06-30 13F ASSURED GUARANTY COM G0585R106 72,604 -2,291 -3.06 1,774 -8.13 0.0014
2020-05-12 2020-03-31 13F ASSURED GUARANTY COM G0585R106 74,895 -28,773 -27.75 1,931 -62.00 0.0017
2020-02-12 2019-12-31 13F ASSURED GUARANTY COM G0585R106 103,668 12,458 13.66 5,081 25.30 0.0037
2019-11-08 2019-09-30 13F ASSURED GUARANTY COM G0585R106 91,210 -60,104 -39.72 4,055 -36.31 0.0032
2019-08-12 2019-06-30 13F ASSURED GUARANTY COM G0585R106 151,314 87,513 137.17 6,367 124.66 0.0051
2019-05-13 2019-03-31 13F ASSURED GUARANTY COM G0585R106 63,801 -6,251 -8.92 2,834 5.67 0.0027
2019-02-12 2018-12-31 13F ASSURED GUARANTY COM G0585R106 70,052 -1,591 -2.22 2,682 -11.37 0.0027
2018-11-13 2018-09-30 13F ASSURED GUARANTY COM G0585R106 71,643 -63 -0.09 3,026 18.11 0.0027
2018-08-10 2018-06-30 13F ASSURED GUARANTY COM G0585R106 71,706 -18,263 -20.30 2,562 -21.36 0.0024
2018-05-11 2018-03-31 13F ASSURED GUARANTY COM G0585R106 89,969 -25,826 -22.30 3,258 -16.93 0.0027
2018-02-12 2017-12-31 13F ASSURED GUARANTY COM G0585R106 115,795 11,035 10.53 3,922 -0.83 0.0031
2017-11-13 2017-09-30 13F ASSURED GUARANTY COM G0585R106 104,760 25,018 31.37 3,955 18.80 0.0032
2017-08-11 2017-06-30 13F ASSURED GUARANTY COM G0585R106 79,742 -10,853 -11.98 3,329 -0.98 0.0030
2017-05-12 2017-03-31 13F ASSURED GUARANTY COM G0585R106 90,595 -36,270 -28.59 3,362 -29.84 0.0030
2017-02-10 2016-12-31 13F ASSURED GUARANTY COM G0585R106 126,865 33,075 35.26 4,792 84.10 0.0043
2016-11-10 2016-09-30 13F ASSURED GUARANTY COM G0585R106 93,790 57,763 160.33 2,603 184.79 0.0024
2016-08-12 2016-06-30 13F ASSURED GUARANTY COM G0585R106 36,027 -7,675 -17.56 914 -17.29 0.0009
2016-05-13 2016-03-31 13F ASSURED GUARANTY COM G0585R106 43,702 37,545 609.79 1,105 582.10 0.0012
2016-02-12 2015-12-31 13F ASSURED GUARANTY COM G0585R106 6,157 -15,288 -71.29 162 -69.78 0.0002
2015-11-13 2015-09-30 13F ASSURED GUARANTY COM G0585R106 21,445 -24,289 -53.11 536 -51.14 0.0005
2015-08-13 2015-06-30 13F ASSURED GUARANTY COM G0585R106 45,734 -14,762 -24.40 1,097 -31.27 0.0010
2015-05-14 2015-03-31 13F ASSURED GUARANTY COM G0585R106 60,496 10,776 21.67 1,596 23.43 0.0015
2015-02-17 2014-12-31 13F ASSURED GUARANTY COM G0585R106 49,720 -113,777 -69.59 1,293 -64.32 0.0012
2014-11-14 2014-09-30 13F ASSURED GUARANTY COM G0585R106 163,497 -668,878 -80.36 3,624 -82.23 0.0032
2014-08-14 2014-06-30 13F ASSURED GUARANTY COM G0585R106 832,375 717,201 622.71 20,393 599.35 0.0196
2014-05-15 2014-03-31 13F ASSURED GUARANTY COM G0585R106 115,174 12,116 11.76 2,916 20.00 0.0030
2014-02-14 2013-12-31 13F ASSURED GUARANTY COM G0585R106 103,058 28,774 38.74 2,430 74.44 0.0022
2013-11-14 2013-09-30 13F ASSURED GUARANTY COM G0585R106 74,284 35,321 90.65 1,393 61.98 0.0013
2013-08-14 2013-06-30 13F ASSURED GUARANTY COM G0585R106 38,963 38,963 860 0.0008
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
(%)
2021-05-13 2021-03-31 13F ASSURED GUARANTY COM Call 0 -100.00 0 -100.00 n/a n/a n/a
2021-02-11 2020-12-31 13F ASSURED GUARANTY COM Call 200 -71.43 6 -60.00 n/a n/a n/a
2020-11-12 2020-09-30 13F ASSURED GUARANTY COM Call 700 -22.22 15 -31.82 n/a n/a n/a
2020-08-12 2020-06-30 13F ASSURED GUARANTY COM Call 900 -83.33 22 -84.17 n/a n/a n/a
2020-05-12 2020-03-31 13F ASSURED GUARANTY COM Call 5,400 -85.37 139 -92.32 n/a n/a n/a
2020-02-12 2019-12-31 13F ASSURED GUARANTY COM Call 36,900 2,535.71 1,809 2,817.74 n/a n/a n/a
2019-11-08 2019-09-30 13F ASSURED GUARANTY COM Call 1,400 -88.43 62 -87.82 n/a n/a n/a
2019-08-12 2019-06-30 13F ASSURED GUARANTY COM Call 12,100 -32.40 509 -35.97 n/a n/a n/a
2019-05-13 2019-03-31 13F ASSURED GUARANTY COM Call 17,900 135.53 795 173.20 n/a n/a n/a
2019-02-12 2018-12-31 13F ASSURED GUARANTY COM Call 7,600 -57.06 291 -61.04 n/a n/a n/a
2018-11-13 2018-09-30 13F ASSURED GUARANTY COM Call 17,700 33.08 747 57.26 n/a n/a n/a
2018-08-10 2018-06-30 13F ASSURED GUARANTY COM Call 13,300 -39.27 475 -40.10 n/a n/a n/a
2018-05-11 2018-03-31 13F ASSURED GUARANTY COM Call 21,900 -26.01 793 -20.94 n/a n/a n/a
2018-02-12 2017-12-31 13F ASSURED GUARANTY COM Call 29,600 112.95 1,003 91.05 n/a n/a n/a
2017-11-13 2017-09-30 13F ASSURED GUARANTY COM Call 13,900 -78.91 525 -80.92 n/a n/a n/a
2017-08-11 2017-06-30 13F ASSURED GUARANTY COM Call 65,900 1,332.61 2,751 1,508.77 n/a n/a n/a
2017-05-12 2017-03-31 13F ASSURED GUARANTY COM Call 4,600 -85.58 171 -85.81 n/a n/a n/a
2017-02-10 2016-12-31 13F ASSURED GUARANTY COM Call 31,900 76.24 1,205 140.04 n/a n/a n/a
2016-11-10 2016-09-30 13F ASSURED GUARANTY COM Call 18,100 41.41 502 54.46 n/a n/a n/a
2016-08-12 2016-06-30 13F ASSURED GUARANTY COM Call 12,800 26.73 325 26.95 n/a n/a n/a
2016-05-13 2016-03-31 13F ASSURED GUARANTY COM Call 10,100 29.49 256 24.27 n/a n/a n/a
2016-02-12 2015-12-31 13F ASSURED GUARANTY COM Call 7,800 -42.65 206 -39.41 n/a n/a n/a
2015-11-13 2015-09-30 13F ASSURED GUARANTY COM Call 13,600 223.81 340 236.63 n/a n/a n/a
2015-08-13 2015-06-30 13F ASSURED GUARANTY COM Call 4,200 -6.67 101 -15.13 n/a n/a n/a
2015-05-14 2015-03-31 13F ASSURED GUARANTY COM Call 4,500 -97.15 119 -95.98 n/a n/a n/a
2013-11-14 2013-09-30 13F ASSURED GUARANTY COM Call 157,800 2,959 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
(%)
2026-05-11 2026-03-31 13F ASSURED GUARANTY COM Put 0 -100.00 0 -100.00 n/a n/a n/a
2026-02-13 2025-12-31 13F ASSURED GUARANTY COM Put 100,000 8,987 n/a n/a n/a
2021-05-13 2021-03-31 13F ASSURED GUARANTY COM Put 0 -100.00 0 -100.00 n/a n/a n/a
2021-02-11 2020-12-31 13F ASSURED GUARANTY COM Put 215,400 281.24 6,783 459.19 n/a n/a n/a
2020-11-12 2020-09-30 13F ASSURED GUARANTY COM Put 56,500 300.71 1,213 252.62 n/a n/a n/a
2020-08-12 2020-06-30 13F ASSURED GUARANTY COM Put 14,100 19.49 344 13.16 n/a n/a n/a
2020-05-12 2020-03-31 13F ASSURED GUARANTY COM Put 11,800 16.83 304 -38.59 n/a n/a n/a
2020-02-12 2019-12-31 13F ASSURED GUARANTY COM Put 10,100 -47.12 495 -41.70 n/a n/a n/a
2019-11-08 2019-09-30 13F ASSURED GUARANTY COM Put 19,100 -18.72 849 -14.16 n/a n/a n/a
2019-08-12 2019-06-30 13F ASSURED GUARANTY COM Put 23,500 213.33 989 197.00 n/a n/a n/a
2019-05-13 2019-03-31 13F ASSURED GUARANTY COM Put 7,500 -75.00 333 -70.99 n/a n/a n/a
2019-02-12 2018-12-31 13F ASSURED GUARANTY COM Put 30,000 30.43 1,148 18.23 n/a n/a n/a
2018-11-13 2018-09-30 13F ASSURED GUARANTY COM Put 23,000 -11.20 971 4.97 n/a n/a n/a
2018-08-10 2018-06-30 13F ASSURED GUARANTY COM Put 25,900 18.26 925 16.65 n/a n/a n/a
2018-05-11 2018-03-31 13F ASSURED GUARANTY COM Put 21,900 -17.36 793 -11.69 n/a n/a n/a
2018-02-12 2017-12-31 13F ASSURED GUARANTY COM Put 26,500 -38.80 898 -45.08 n/a n/a n/a
2017-11-13 2017-09-30 13F ASSURED GUARANTY COM Put 43,300 257.85 1,635 223.76 n/a n/a n/a
2017-08-11 2017-06-30 13F ASSURED GUARANTY COM Put 12,100 47.56 505 66.12 n/a n/a n/a
2017-05-12 2017-03-31 13F ASSURED GUARANTY COM Put 8,200 -10.87 304 -12.39 n/a n/a n/a
2017-02-10 2016-12-31 13F ASSURED GUARANTY COM Put 9,200 300.00 347 442.19 n/a n/a n/a
2016-11-10 2016-09-30 13F ASSURED GUARANTY COM Put 2,300 -68.06 64 -65.03 n/a n/a n/a
2016-08-12 2016-06-30 13F ASSURED GUARANTY COM Put 7,200 260.00 183 258.82 n/a n/a n/a
2016-05-13 2016-03-31 13F ASSURED GUARANTY COM Put 2,000 -93.51 51 -93.73 n/a n/a n/a
2016-02-12 2015-12-31 13F ASSURED GUARANTY COM Put 30,800 45.28 814 53.30 n/a n/a n/a
2015-11-13 2015-09-30 13F ASSURED GUARANTY COM Put 21,200 -81.24 531 -80.41 n/a n/a n/a
2015-08-13 2015-06-30 13F ASSURED GUARANTY COM Put 113,000 3,324.24 2,711 3,016.09 n/a n/a n/a
2015-05-14 2015-03-31 13F ASSURED GUARANTY COM Put 3,300 87 n/a n/a n/a
2015-02-17 2014-12-31 13F ASSURED GUARANTY COM Put 0 -100.00 0 -100.00 n/a n/a n/a
2014-11-14 2014-09-30 13F ASSURED GUARANTY COM Put 162,500 3,601 n/a n/a n/a
2014-08-14 2014-06-30 13F ASSURED GUARANTY COM Put 0 -100.00 0 -100.00 n/a n/a n/a
2014-05-15 2014-03-31 13F ASSURED GUARANTY COM Put 120,900 -53.66 3,061 -50.27 n/a n/a n/a
2014-02-14 2013-12-31 13F ASSURED GUARANTY COM Put 260,900 6,155 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.