William Blair & Company’s Kratos Defense & Security Solutions KTOS Stock Holding History

William Blair & Company’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 Q2	$316K	Sell	6,342 -1,170	-16%	-$70.8K	﹤0.01%	1397
2026 Q1	$530K	Buy	7,512 +2,975	+66%	+$285K	﹤0.01%	1128
2025 Q4	$344K	Buy	4,537 +1,297	+40%	+$106K	﹤0.01%	1261
2025 Q3	$296K	Buy	+3,240	New	+$207K	﹤0.01%	1307
2023 Q4	–	Sell	-10,700	Closed	-$161K	–	1820
2023 Q3	$161K	Buy	+10,700	New	+$159K	﹤0.01%	1431
2016 Q4	–	Sell	-10,000	Closed	-$69K	–	1437
2016 Q3	$69K	Hold	10,000	–	–	﹤0.01%	1245
2016 Q2	$41K	Hold	10,000	–	–	﹤0.01%	1200
2016 Q1	$49K	Hold	10,000	–	–	﹤0.01%	1151
2015 Q4	$41K	Buy	+10,000	New	+$44.3K	﹤0.01%	1179

Other funds holding KTOS

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

First Trust Advisors Wheaton, Illinois $170B AUM 46.21% 1-Year Est. Return

AIM

ARK Investment Management St. Petersburg, Florida $15.4B AUM 50.29% 1-Year Est. Return

Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

AllianceBernstein Nashville, Tennessee $302B AUM 26.44% 1-Year Est. Return

HRCM

Hood River Capital Management Palm Beach Gardens, Florida $13.8B AUM 163.97% 1-Year Est. Return

William Blair & Company's KTOS Position: Q2 2026 in Review

William Blair & Company reduced its Kratos Defense & Security Solutions (KTOS) stake by 16% in Q2 2026, selling an estimated $70.8K and leaving 6,342 shares worth $316K. The position accounts for ﹤0.01% of the portfolio, ranked #1397.

William Blair & Company first reported a position in KTOS in Q4 2015 and has held it in 9 quarters since. The position peaked at $530K in Q1 2026. 630 funds tracked by Wall St. Rank hold KTOS as of Q2 2026.

William Blair & Company held 6,342 shares of Kratos Defense & Security Solutions worth $316K as of Q2 2026.
William Blair & Company sold 1,170 Kratos Defense & Security Solutions shares in Q2 2026, an estimated $70.8K.
Kratos Defense & Security Solutions made up ﹤0.01% of William Blair & Company's portfolio in Q2 2026, its #1397 holding.
William Blair & Company first reported a position in Kratos Defense & Security Solutions in Q4 2015 and has held it in 9 quarters since.
William Blair & Company's Kratos Defense & Security Solutions position peaked at $530K in Q1 2026.
630 funds tracked by Wall St. Rank held Kratos Defense & Security Solutions as of Q2 2026.

Based on William Blair & Company's 13F filing for Q2 2026, filed 11 Aug 2026.