13F data for Q1 2026 shows net sellers outpace net buyers 474 to 405, with total value declining $2.59B. Insider activity includes a single $577K sale and zero buys in the last 90 days.

Confirmation

Continued institutional distribution or additional insider selling would reinforce the bearish thesis.

Invalidation Risk

A reversal to net institutional accumulation or insider buying would invalidate this verdict.

The above is AI-generated from public regulatory filings and summarizes historical data only. It is not investment advice and should not be used as the basis for any buy or sell decision.

Insider Trading (Form 4)

90d confidence

unique buyers

—

buy value

data as of 2026-07-16

12-Month Buy/Sell Activity

Feb 25

Sep 25

BuySell

操作	內部人	職稱	交易日	金額
賣出	Porter Elizabeth A	Sector President	2026-01-20	$577K
賣出	Porter Elizabeth A	Sector President	2025-12-19	$127K
賣出	Porter Elizabeth A	Sector President	2025-12-19	$417K
賣出	Hull Stephen Edward	Sector President	2025-09-04	$2.23M
賣出	Stevens Roy E	Sector President	2025-08-25	$493K
賣出	Hull Stephen Edward	Sector President	2025-08-20	$2.30M
賣出	May Gary Stephen	Director	2025-08-11	$356K
賣出	Dahlberg Gregory R	Director	2025-08-11	$169K

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Form 144 Pre-Sale Notices

No Form 144 planned sale filings in the last 90 days

Beneficial Ownership (13D/13G)

No Schedule 13D/13G filings for this ticker

Material Events (8-K)

No Form 8-K filings for this ticker

FAQ

Who are the top institutional investors holding LEIDOS HOLDINGS INC (LDOS)?

Major stakeholders currently include BlackRock, Inc. ($1.5B), Vanguard Capital Management LLC ($1.3B), State Street CORP ($951.2M). Based on the latest 13F filings, there are a total of 894 tracked investment funds and institutions maintaining positions in LDOS.

What is the overall institutional sentiment toward LDOS recently?

Institutional sentiment appears Bearish (Net Selling). During the most recent reporting quarter, the stock experienced a net outflow of $2.6B, driven by 405 managers accumulating shares while 474 reduced their exposure.

Which institutions have been selling or reducing their LDOS positions?

In the latest period, 340 funds trimmed their holdings, and 134 managers completely exited their positions. The aggregate reported sell value was $8.4B.

Are there any notable investors adding LDOS to their portfolios?

Yes, buying activity remains notable. 83 institutions opened new positions in {ticker}, and 322 existing holders added to their shares. The total reported buy value for the quarter amounted to $7.1B.