Kratos Defense & Security Solutions, Inc.
MX ˙ BMV ˙ US50077B2079
SecurityMX:KTOS / Kratos Defense & Security Solutions, Inc.
InstitutionNorthern Trust Corp
Latest Disclosed Ownership2,126,234 shares
Latest Disclosed Value $ 149,920,760
Northern Trust Corp reports 8.42% increase in ownership of KTOS / Kratos Defense & Security Solutions, Inc.

On May 14, 2026 - Northern Trust Corp filed a 13F-HR form disclosing ownership of 2,126,234 shares of Kratos Defense & Security Solutions, Inc. (MX:KTOS) valued at $149,920,760 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 17, 2026 disclosing 1,961,131 shares of Kratos Defense & Security Solutions, Inc.. This represents a change in shares of 8.42% 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.

Upgrade to unlock premium data and export to Excel .

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)
2026-05-14 2026-03-31 13F KRATOS DEFENSE & SEC SOLUTIO COM NEW 50077B207 2,126,234 165,103 8.42 149,921 0.71 0.0041
2026-02-17 2025-12-31 13F KRATOS DEFENSE & SEC SOLUTIO COM NEW 50077B207 1,961,131 -111,569 -5.38 148,869 -21.39 0.0190
2025-11-14 2025-09-30 13F KRATOS DEFENSE & SEC SOLUTIO COM NEW 50077B207 2,072,700 247,652 13.57 189,383 123.40 0.0242
2025-08-13 2025-06-30 13F KRATOS DEFENSE & SEC SOLUTIO COM NEW 50077B207 1,825,048 83,231 4.78 84,773 63.93 0.0117
2025-05-13 2025-03-31 13F KRATOS DEFENSE & SEC SOLUTIO COM NEW 50077B207 1,741,817 -56,522 -3.14 51,715 9.01 0.0077
2025-02-14 2024-12-31 13F KRATOS DEFENSE & SEC SOLUTIO COM NEW 50077B207 1,798,339 35,223 2.00 47,440 15.48 0.0067
2024-11-13 2024-09-30 13F KRATOS DEFENSE & SEC SOLUTIO COM 50077B207 1,763,116 87,894 5.25 41,081 22.55 0.0067
2024-08-14 2024-06-30 13F KRATOS DEFENSE & SEC SOLUTIO COM 50077B207 1,675,222 -48,968 -2.84 33,521 5.78 0.0056
2024-05-14 2024-03-31 13F KRATOS DEFENSE & SEC SOLUTIO COM 50077B207 1,724,190 115,501 7.18 31,691 -2.91 0.0055
2024-02-13 2023-12-31 13F KRATOS DEFENSE & SEC SOLUTIO COM 50077B207 1,608,689 43,741 2.80 32,640 38.86 0.0059
2023-11-13 2023-09-30 13F KRATOS DEFENSE & SEC SOLUTIO COM 50077B207 1,564,948 -5,266 -0.34 23,506 4.39 0.0046
2023-08-11 2023-06-30 13F KRATOS DEFENSE & SEC SOLUTIO COM 50077B207 1,570,214 -8,295 -0.53 22,517 5.82 0.0043
2023-05-15 2023-03-31 13F KRATOS DEFENSE & SEC SOLUTIO COM 50077B207 1,578,509 89,352 6.00 21,278 38.46 0.0042
2023-02-13 2022-12-31 13F KRATOS DEFENSE & SEC SOLUTIO COM 50077B207 1,489,157 -54,476 -3.53 15,368 -2.01 0.0032
2022-11-14 2022-09-30 13F KRATOS DEFENSE & SEC SOLUTIO COM 50077B207 1,543,633 -16,710 -1.07 15,683 -27.58 0.0036
2022-08-12 2022-06-30 13F KRATOS DEFENSE & SEC SOLUTIO COM 50077B207 1,560,343 -70,805 -4.34 21,657 -35.17 0.0046
2022-05-13 2022-03-31 13F KRATOS DEFENSE & SEC SOLUTIO COM 50077B207 1,631,148 -7,317 -0.45 33,406 5.10 0.0059
2022-02-08 2021-12-31 13F KRATOS DEFENSE & SEC SOLUTIO COM NEW 50077B207 1,638,465 -13,154 -0.80 31,786 -13.74 0.0052
2021-11-15 2021-09-30 13F KRATOS DEFENSE & SEC SOLUTIO COM NEW 50077B207 1,651,619 -30,927 -1.84 36,847 -23.13 0.0065
2021-08-13 2021-06-30 13F KRATOS DEFENSE & SEC SOLUTIO COM NEW 50077B207 1,682,546 -55,823 -3.21 47,936 1.08 0.0084
2021-05-12 2021-03-31 13F KRATOS DEFENSE & SEC SOLUTIO COM NEW 50077B207 1,738,369 -53,076 -2.96 47,423 -3.49 0.0088
2021-02-11 2020-12-31 13F KRATOS DEFENSE & SEC SOLUTIO COM NEW 50077B207 1,791,445 -5,884 -0.33 49,139 41.80 0.0096
2020-11-16 2020-09-30 13F KRATOS DEFENSE & SEC SOLUTIO COM NEW 50077B207 1,797,329 115,441 6.86 34,653 31.82 0.0076
2020-08-14 2020-06-30 13F KRATOS DEFENSE & SEC SOLUTIO COM 50077B207 1,681,888 293,151 21.11 26,289 36.78 0.0062
2020-05-14 2020-03-31 13F KRATOS DEFENSE & SEC SOLUTIO COM NEW 50077B207 1,388,737 38,295 2.84 19,220 -20.97 0.0055
2020-02-14 2019-12-31 13F KRATOS DEFENSE & SEC SOLUTIO COM NEW 50077B207 1,350,442 -82,063 -5.73 24,321 -8.69 0.0054
2019-11-13 2019-09-30 13F KRATOS DEFENSE & SEC SOLUTIO COM 50077B207 1,432,505 140,851 10.90 26,637 -9.91 0.0064
2019-08-13 2019-06-30 13F KRATOS DEFENSE & SEC SOLUTIO COM NEW 50077B207 1,291,654 45,020 3.61 29,566 51.75 0.0070
2019-05-13 2019-03-31 13F KRATOS DEFENSE & SEC SOLUTIO COM NEW 50077B207 1,246,634 25,829 2.12 19,484 13.27 0.0048
2019-02-12 2018-12-31 13F KRATOS DEFENSE & SEC SOLUTIO COM NEW 50077B207 1,220,805 23,366 1.95 17,201 -2.81 0.0048
2018-11-14 2018-09-30 13F KRATOS DEFENSE & SEC SOLUTIO COM NEW 50077B207 1,197,439 42,437 3.67 17,698 33.13 0.0043
2018-09-18 2018-06-30 13F/A-1 KRATOS DEFENSE & SEC SOLUTIO COM NEW 50077B207 1,155,002 33,056 2.95 13,294 15.16 0.0034
2018-08-14 2018-06-30 13F KRATOS DEFENSE & SEC SOLUTIO COM NEW 50077B207 1,161,774 39,828 13,372
2018-05-09 2018-03-31 13F KRATOS DEFENSE & SEC SOLUTIO COM NEW 50077B207 1,121,946 67,816 6.43 11,544 3.42 0.0030
2018-02-14 2017-12-31 13F KRATOS DEFENSE & SEC SOLUTIO COM NEW 50077B207 1,054,130 185,111 21.30 11,162 -1.79 0.0028
2017-11-13 2017-09-30 13F KRATOS DEFENSE & SEC SOLUTIO COM NEW 50077B207 869,019 15,757 1.85 11,366 12.23 0.0030
2017-08-11 2017-06-30 13F KRATOS DEFENSE & SEC SOLUTIO COM 50077B207 853,262 147,650 20.93 10,127 84.46 0.0028
2017-05-12 2017-03-31 13F KRATOS DEFENSE & SEC SOLUTIO COM 50077B207 705,612 61,101 9.48 5,490 15.12 0.0016
2017-02-13 2016-12-31 13F KRATOS DEFENSE & SEC SOLUTIO COM 50077B207 644,511 136,392 26.84 4,769 36.22 0.0015
2016-11-09 2016-09-30 13F KRATOS DEFENSE & SEC SOLUTIO COM 50077B207 508,119 12,630 2.55 3,501 72.38 0.0011
2016-08-12 2016-06-30 13F KRATOS DEFENSE & SEC SOLUTIO COM NEW 50077B207 495,489 30,907 6.65 2,031 -11.23 0.0007
2016-08-19 2016-03-31 13F/A-1 KRATOS DEFENSE & SEC SOLUTIO COM NEW 50077B207 464,582 457 0.10 2,288 20.17 0.0008
2016-05-13 2016-03-31 13F Kratos Defense & Sec So COMM 50077B207 464,582 2,299
2016-02-12 2015-12-31 13F Kratos Defense & Sec So COMM 50077B207 464,125 1,143 0.25 1,904 -2.56 0.0006
2015-11-12 2015-09-30 13F KRATOS DEFENSE & SEC SOLUTIO COM 50077B207 462,982 462,982 0.00 1,954 0.0007
2015-08-13 2015-06-30 13F Kratos Defense & Sec So COMM 50077B207 0 -482,510 -100.00 0 -100.00
2015-05-14 2015-03-31 13F Kratos Defense & Sec So COMM 50077B207 482,510 142 0.03 2,668 10.16 0.0008
2015-02-12 2014-12-31 13F Kratos Defense & Sec So COM 50077B207 482,368 -7,951 -1.62 2,422 -24.69 0.0007
2014-11-13 2014-09-30 13F KRATOS DEFENSE & SEC SOLUTIO COM 50077B207 490,319 -12,342 -2.46 3,216 -17.98 0.0010
2014-08-14 2014-06-30 13F KRATOS DEFENSE & SEC SOLUTIO COM 50077B207 502,661 -56,741 -10.14 3,921 -7.04 0.0012
2014-05-14 2014-03-31 13F KRATOS DEFENSE & SEC SOLUTIO COM 50077B207 559,402 -41,092 -6.84 4,218 -8.52 0.0013
2014-02-21 2013-12-31 13F/A-1 KRATOS DEFENSE & SEC SOLUTIO COM 50077B207 600,494 9,561 1.62 4,611 -5.74 0.0015
2014-02-12 2013-12-31 13F KRATOS DEFENSE & SEC SOLUTIO COM 50077B207 600,494 4,611
2013-11-13 2013-09-30 13F KRATOS DEFENSE & SEC SOLUTIO COM 50077B207 590,933 14,603 2.53 4,892 30.94 0.0017
2013-08-09 2013-06-30 13F KRATOS DEFENSE & SEC SOLUTIO COM 50077B207 576,330 576,330 3,736 0.0014
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.