CSS LLC’s Leidos LDOS Stock Holding History

CSS LLC’s Portfolio LDOS Stock Details LDOS Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2017 Q1	–	Sell	-7,500	Closed	-$384K	–	683
2016 Q4	$384K	Sell	7,500 -13,800	-65%	-$645K	0.02%	391
2016 Q3	$921K	Buy	+21,300	New	+$967K	0.04%	268

Other funds holding LDOS

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

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

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

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return

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

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

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

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Massachusetts Financial Services Boston, Massachusetts $315B AUM 27.84% 1-Year Est. Return

CSS LLC's LDOS Position: Q2 2026 in Review

CSS LLC increased its Leidos (LDOS) stake by 52% in Q2 2026, buying an estimated $496K and bringing the position to 10,956 shares worth $1.13M. The position accounts for 0.04% of the portfolio, ranked #315.

CSS LLC first reported a position in LDOS in Q4 2013 and has held it in 23 quarters since. The position peaked at $1.17M in Q2 2025. 772 funds tracked by Wall St. Rank hold LDOS as of Q2 2026.

CSS LLC held 10,956 shares of Leidos worth $1.13M as of Q2 2026.
CSS LLC bought 3,736 Leidos shares in Q2 2026, an estimated $496K.
Leidos made up 0.04% of CSS LLC's portfolio in Q2 2026, its #315 holding.
CSS LLC first reported a position in Leidos in Q4 2013 and has held it in 23 quarters since.
CSS LLC's Leidos position peaked at $1.17M in Q2 2025.
772 funds tracked by Wall St. Rank held Leidos as of Q2 2026.

Based on CSS LLC's 13F filing for Q2 2026, filed 14 Aug 2026.