Citadel Advisors’s Kratos Defense & Security Solutions KTOS Stock Holding History

Citadel Advisors’s Portfolio KTOS Stock Details KTOS Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$35.8M	Sell	507,500 -55,300	-10%	-$5.3M	0.01%	1678
2025 Q4	$42.7M	Sell	562,800 -328,700	-37%	-$26.9M	0.01%	1567
2025 Q3	$81.5M	Buy	891,500 +231,500	+35%	+$14.8M	0.01%	993
2025 Q2	$30.7M	Buy	660,000 +567,200	+611%	+$20.5M	0.01%	1661
2025 Q1	$2.76M	Sell	92,800 -13,200	-12%	-$401K	﹤0.01%	4922
2024 Q4	$2.8M	Buy	106,000 +70,700	+200%	+$1.81M	﹤0.01%	4950
2024 Q3	$822K	Sell	35,300 -538,800	-94%	-$11.7M	﹤0.01%	7249
2024 Q2	$11.5M	Buy	574,100 +462,400	+414%	+$9.04M	﹤0.01%	2608
2024 Q1	$2.05M	Sell	111,700 -75,700	-40%	-$1.38M	﹤0.01%	5468
2023 Q4	$3.8M	Buy	187,400 +105,400	+129%	+$1.94M	﹤0.01%	4220
2023 Q3	$1.23M	Sell	82,000 -40,700	-33%	-$606K	﹤0.01%	6145
2023 Q2	$1.76M	Buy	122,700 +6,100	+5%	+$82.6K	﹤0.01%	5377
2023 Q1	$1.57M	Sell	116,600 -49,100	-30%	-$585K	﹤0.01%	5828
2022 Q4	$1.71M	Buy	165,700 +27,600	+20%	+$274K	﹤0.01%	5766
2022 Q3	$1.4M	Buy	138,100 +7,000	+5%	+$93.7K	﹤0.01%	6290
2022 Q2	$1.82M	Sell	131,100 -87,900	-40%	-$1.37M	﹤0.01%	5730
2022 Q1	$4.49M	Buy	219,000 +9,400	+4%	+$172K	﹤0.01%	4391
2021 Q4	$4.07M	Buy	209,600 +82,600	+65%	+$1.74M	﹤0.01%	4714
2021 Q3	$2.83M	Sell	127,000 -45,700	-26%	-$1.13M	﹤0.01%	5506
2021 Q2	$4.92M	Sell	172,700 -24,900	-13%	-$658K	﹤0.01%	4473
2021 Q1	$5.39M	Sell	197,600 -10,300	-5%	-$289K	﹤0.01%	4093
2020 Q4	$5.7M	Sell	207,900 -39,500	-16%	-$865K	﹤0.01%	3477
2020 Q3	$4.77M	Buy	247,400 +69,000	+39%	+$1.27M	﹤0.01%	3236
2020 Q2	$2.79M	Buy	178,400 +69,100	+63%	+$1.11M	﹤0.01%	3984
2020 Q1	$1.51M	Buy	109,300 +71,800	+191%	+$1.24M	﹤0.01%	4603
2019 Q4	$675K	Sell	37,500 -112,100	-75%	-$2.08M	﹤0.01%	6310
2019 Q3	$2.78M	Sell	149,600 -30,600	-17%	-$642K	﹤0.01%	3972
2019 Q2	$4.13M	Buy	180,200 +16,200	+10%	+$306K	﹤0.01%	3386
2019 Q1	$2.56M	Buy	164,000 +131,000	+397%	+$2.06M	﹤0.01%	4039
2018 Q4	$465K	Sell	33,000 -71,900	-69%	-$991K	﹤0.01%	6514
2018 Q3	$1.55M	Sell	104,900 -13,700	-12%	-$181K	﹤0.01%	4823
2018 Q2	$1.36M	Buy	118,600 +77,100	+186%	+$850K	﹤0.01%	4699
2018 Q1	$427K	Buy	41,500 +19,500	+89%	+$217K	﹤0.01%	6168
2017 Q4	$233K	Buy	22,000 +400	+2%	+$4.56K	﹤0.01%	6870
2017 Q3	$283K	Buy	21,600 +3,100	+17%	+$38.2K	﹤0.01%	6168
2017 Q2	$220K	Buy	18,500 +6,800	+58%	+$64.9K	﹤0.01%	6411
2017 Q1	$91K	Buy	11,700 +1,300	+13%	+$10.4K	﹤0.01%	6899
2016 Q4	$77K	Buy	+10,400	New	+$70.2K	﹤0.01%	6764
2015 Q4	–	Sell	-800	Closed	-$3K	–	8964
2015 Q3	$3K	Sell	800 -14,100	-95%	-$71.1K	﹤0.01%	8695
2015 Q2	$94K	Buy	14,900 +13,900	+1,390%	+$82.5K	﹤0.01%	7135
2015 Q1	$6K	Sell	1,000 -1,500	-60%	-$8.1K	﹤0.01%	8294
2014 Q4	$13K	Buy	2,500 +1,400	+127%	+$7.92K	﹤0.01%	8036
2014 Q3	$7K	Sell	1,100 -1,400	-56%	-$10.4K	﹤0.01%	7837
2014 Q2	$20K	Buy	+2,500	New	+$19.4K	﹤0.01%	7279

Other funds holding KTOS

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

Franklin Resources San Mateo, California $408B AUM 30.18% 1-Year Est. Return

AIM

ARK Investment Management St. Petersburg, Florida $12.9B AUM 64.92% 1-Year Est. Return

VanEck Associates New York $133B AUM 72.99% 1-Year Est. Return

NAMI

Nomura Asset Management International Philadelphia, Pennsylvania $58.4B AUM

Citadel Advisors's KTOS Position: Q1 2026 in Review

Citadel Advisors increased its Kratos Defense & Security Solutions (KTOS) stake by 106% in Q1 2026, buying an estimated $26M and bringing the position to 527,313 shares worth $37.2M. The position accounts for 0.01% of the portfolio, ranked #1639.

Citadel Advisors first reported a position in KTOS in Q4 2013 and has held it in 45 quarters since. The position peaked at $70M in Q2 2025. 712 funds tracked by Wall St. Rank hold KTOS as of Q1 2026.

Citadel Advisors held 527,313 shares of Kratos Defense & Security Solutions worth $37.2M as of Q1 2026.
Citadel Advisors bought 270,812 Kratos Defense & Security Solutions shares in Q1 2026, an estimated $26M.
Kratos Defense & Security Solutions made up 0.01% of Citadel Advisors's portfolio in Q1 2026, its #1639 holding.
Citadel Advisors first reported a position in Kratos Defense & Security Solutions in Q4 2013 and has held it in 45 quarters since.
Citadel Advisors's Kratos Defense & Security Solutions position peaked at $70M in Q2 2025.
712 funds tracked by Wall St. Rank held Kratos Defense & Security Solutions as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.