Kratos Defense & Security Solutions, Inc.
MX ˙ BMV ˙ US50077B2079
SecurityMX:KTOS / Kratos Defense & Security Solutions, Inc.
InstitutionAlliancebernstein L.p.
Latest Disclosed Ownership2,421,568 shares
Latest Disclosed Value $ 183,821,227
Alliancebernstein L.p. reports 15.55% decrease in ownership of KTOS / Kratos Defense & Security Solutions, Inc.

On May 15, 2026 - Alliancebernstein L.p. filed a 13F-HR form disclosing ownership of 2,421,568 shares of Kratos Defense & Security Solutions, Inc. (MX:KTOS) valued at $183,821,227 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 17, 2026 disclosing 2,867,500 shares of Kratos Defense & Security Solutions, Inc.. This represents a change in shares of -15.55% during the quarter.

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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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 KRATOS DEFENSE & SEC SOLUTIO COM NEW 50077B207 2,421,568 -445,932 -15.55 183,821 -15.55 0.0497
2026-02-17 2025-12-31 13F KRATOS DEFENSE & SEC SOLUTIO COM NEW 50077B207 2,867,500 159,724 5.90 217,672 -12.02 0.0687
2025-11-14 2025-09-30 13F KRATOS DEFENSE & SEC SOLUTIO COM NEW 50077B207 2,707,776 2,525,921 1,388.98 247,409 2,828.96 0.0779
2025-08-14 2025-06-30 13F KRATOS DEFENSE & SEC SOLUTIO COM NEW 50077B207 181,855 4,019 2.26 8,447 60.01 0.0028
2025-05-15 2025-03-31 13F KRATOS DEFENSE & SEC SOLUTIO COM NEW 50077B207 177,836 25,010 16.37 5,280 30.96 0.0019
2025-02-12 2024-12-31 13F KRATOS DEFENSE & SEC SOLUTIO COM NEW 50077B207 152,826 1,600 1.06 4,032 14.42 0.0014
2024-11-14 2024-09-30 13F KRATOS DEFENSE & SEC SOLUTIO COM NEW 50077B207 151,226 -21,990 -12.70 3,524 1.64 0.0012
2024-08-14 2024-06-30 13F KRATOS DEFENSE & SEC SOLUTIO COM NEW 50077B207 173,216 30,890 21.70 3,466 32.54 0.0012
2024-05-14 2024-03-31 13F KRATOS DEFENSE & SEC SOLUTIO COM NEW 50077B207 142,326 3,100 2.23 2,616 -7.40 0.0009
2024-02-14 2023-12-31 13F KRATOS DEFENSE & SEC SOLUTIO COM NEW 50077B207 139,226 3,500 2.58 2,825 38.57 0.0011
2023-11-14 2023-09-30 13F KRATOS DEFENSE & SEC SOLUTIO COM NEW 50077B207 135,726 -5,974 -4.22 2,039 0.34 0.0009
2023-08-15 2023-06-30 13F KRATOS DEFENSE & SEC SOLUTIO COM NEW 50077B207 141,700 -12,600 -8.17 2,032 -2.31 0.0008
2023-05-15 2023-03-31 13F KRATOS DEFENSE & SEC SOLUTIO COM NEW 50077B207 154,300 0 0.00 2,080 30.59 0.0009
2023-02-15 2022-12-31 13F KRATOS DEFENSE & SEC SOLUTIO COM NEW 50077B207 154,300 2,800 1.85 1,592 3.44 0.0007
2022-11-15 2022-09-30 13F KRATOS DEFENSE & SEC SOLUTIO COM NEW 50077B207 151,500 0 0.00 1,539 -26.82 0.0007
2022-08-15 2022-06-30 13F KRATOS DEFENSE & SEC SOLUTIO COM NEW 50077B207 151,500 0 0.00 2,103 -32.23 0.0010
2022-05-13 2022-03-31 13F KRATOS DEFENSE & SEC SOLUTIO COM NEW 50077B207 151,500 400 0.26 3,103 5.87 0.0012
2022-02-14 2021-12-31 13F KRATOS DEFENSE & SEC SOLUTIO COM NEW 50077B207 151,100 -1,200 -0.79 2,931 -13.74 0.0010
2021-11-10 2021-09-30 13F KRATOS DEFENSE & SEC SOLUTIO COM NEW 50077B207 152,300 -10,800 -6.62 3,398 -26.88 0.0013
2021-07-30 2021-06-30 13F KRATOS DEFENSE & SEC SOLUTIO COM NEW 50077B207 163,100 -700 -0.43 4,647 4.01 0.0019
2021-05-06 2021-03-31 13F KRATOS DEFENSE & SEC SOLUTIO COM NEW 50077B207 163,800 2,000 1.24 4,468 0.68 0.0020
2021-02-08 2020-12-31 13F KRATOS DEFENSE & SEC SOLUTIO COM NEW 50077B207 161,800 21,000 14.91 4,438 63.46 0.0021
2020-11-12 2020-09-30 13F KRATOS DEFENSE & SEC SOLUTIO COM NEW 50077B207 140,800 7,600 5.71 2,715 30.40 0.0015
2020-08-13 2020-06-30 13F KRATOS DEFENSE & SEC SOLUTIO COM NEW 50077B207 133,200 23,400 21.31 2,082 36.97 0.0012
2020-05-14 2020-03-31 13F KRATOS DEFENSE & SEC SOLUTIO COM NEW 50077B207 109,800 3,400 3.20 1,520 -20.67 0.0011
2020-02-18 2019-12-31 13F KRATOS DEFENSE & SEC SOLUTIO COM NEW 50077B207 106,400 0 0.00 1,916 -3.18 0.0011
2019-11-14 2019-09-30 13F KRATOS DEFENSE & SEC SOLUTIO COM NEW 50077B207 106,400 0 0.00 1,979 -18.73 0.0012
2019-08-14 2019-06-30 13F KRATOS DEFENSE & SEC SOLUTIO COM NEW 50077B207 106,400 18,200 20.63 2,435 76.58 0.0015
2019-05-14 2019-03-31 13F KRATOS DEFENSE & SEC SOLUTIO COM NEW 50077B207 88,200 5,800 7.04 1,379 18.78 0.0009
2019-02-13 2018-12-31 13F KRATOS DEFENSE & SEC SOLUTIO COM NEW 50077B207 82,400 0 0.00 1,161 -4.68 0.0009
2018-11-08 2018-09-30 13F KRATOS DEFENSE & SEC SOLUTIO COM NEW 50077B207 82,400 -1,000 -1.20 1,218 26.88 0.0008
2018-08-13 2018-06-30 13F KRATOS DEFENSE & SEC SOLUTIO COM NEW 50077B207 83,400 -2,500 -2.91 960 8.60 0.0007
2018-05-14 2018-03-31 13F KRATOS DEFENSE & SEC SOLUTIO COM NEW 50077B207 85,900 2,500 3.00 884 0.11 0.0006
2018-02-13 2017-12-31 13F KRATOS DEFENSE & SEC SOLUTIO COM NEW 50077B207 83,400 0 0.00 883 -19.07 0.0006
2017-11-13 2017-09-30 13F KRATOS DEFENSE & SEC SOLUTIO COM NEW 50077B207 83,400 0 0.00 1,091 10.20 0.0008
2017-08-10 2017-06-30 13F KRATOS DEFENSE & SEC SOLUTIO COM NEW 50077B207 83,400 54,200 185.62 990 336.12 0.0008
2017-05-11 2017-03-31 13F KRATOS DEFENSE & SEC SOLUTIO COM NEW 50077B207 29,200 7,700 35.81 227 42.77 0.0002
2017-02-13 2016-12-31 13F KRATOS DEFENSE & SEC SOLUTIO COM NEW 50077B207 21,500 1,800 9.14 159 16.91 0.0001
2016-11-10 2016-09-30 13F KRATOS DEFENSE & SEC SOLUTIO COM NEW 50077B207 19,700 19,696 492,400.00 136 0.0001
2014-05-13 2014-03-31 13F KRATOS DEFENSE & SECURITY SOLUTIONS COM NEW 50077B207 4 -3,614 -99.89 0 -100.00
2014-02-13 2013-12-31 13F KRATOS DEFENSE & SECURITY SOLUTIONS COM NEW 50077B207 3,618 -19,900 -84.62 28 -85.64 0.0000
2013-11-14 2013-09-30 13F KRATOS DEFENSE & SECURITY SOLUTIONS COM NEW 50077B207 23,518 -14,401 -37.98 195 -20.73 0.0002
2013-08-13 2013-06-30 13F KRATOS DEFENSE & SECURITY SOLUTIONS COM NEW 50077B207 37,919 37,919 246 0.0003
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.