KRATOS DEFENSE & SECURITY (KTOS) Stock Institutional Trading Activity


KRATOS DEFENSE & SECURITY (KTOS) position changes reported by tracked institutional filers across multiple SEC 13F reporting periods. Based on recent SEC 13F filings (Q1 2026), investors with some of the largest reported share count changes include Sequoia Financial Advisors, Polen Capital Management, ARK Invest, First Eagle U.S. Value, and Engaged Capital. Explore insights into buying and selling patterns, position changes, and investment conviction levels to understand institutional trading behavior and market dynamics.

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Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q2 2023ARK InvestBuy166,0187,278,529$104,374,106
Q1 2023ARK InvestSell-635,8467,112,511$95,876,648
Q4 2022ARK InvestSell-441,2877,748,357$79,963,044
Q3 2022ARK InvestSell-39,4778,189,644$83,207
Q2 2022ARK InvestSell-342,9748,229,121$118,664
Q1 2022Renaissance Technologies LLCBuy531,200713,799$14,619
Q1 2022ARK InvestSell-519,8658,572,095$175,557
Q4 2021Renaissance Technologies LLCSell-89,900182,599$3,542
Q4 2021ARK InvestSell-472,0029,091,960$176,384
Q3 2021ARK InvestBuy1,218,3259,563,962$213,372
Q2 2021Renaissance Technologies LLCBuy103,000272,499$7,763
Q2 2021ARK InvestBuy3,103,6968,345,637$237,767
Q1 2021Renaissance Technologies LLCSell-129,400169,499$4,624
Q1 2021ARK InvestBuy3,008,4065,241,941$143,000
Q4 2020ARK InvestBuy1,126,8502,233,535$61,266
Q3 2020ARK InvestBuy547,9591,106,685$21,337
Q2 2020ARK InvestBuy281,864558,726$8,733
Q1 2020ARK InvestBuy133,026276,862$3,832
Q4 2019ARK InvestBuy16,590143,836$2,590
Q3 2019ARK InvestSell-9,378127,246$2,366
Q2 2019Renaissance Technologies LLCBuy28,300298,899$6,842
Q2 2019ARK InvestBuy16,672136,624$3,127
Q1 2019Renaissance Technologies LLCSell-298,900270,599$4,229
Q1 2019ARK InvestSell-1119,952$1,875
Q4 2018ARK InvestBuy45,852119,953$1,690
Q3 2018ARK InvestBuy74,10174,101$1,095
Q2 2017Renaissance Technologies LLCBuy549,199569,499$6,760
Q1 2017Renaissance Technologies LLCSell-258,29220,300$158
Q4 2016Renaissance Technologies LLCBuy253,292278,592$2,062
Q3 2016Renaissance Technologies LLCSell-69,00725,300$174

Frequently asked questions about KTOS activity

  • Which institutional owners are buying KTOS?

    Institutional owners buying KTOS include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in KTOS activity?

    "Buy" means an investor increased their reported position in KTOS compared to the prior reporting period. This reflects growing exposure to KRATOS DEFENSE & SECURITY (KTOS) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in KTOS increasing?

    Institutional interest in KTOS can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.