Leidos Holdings, Inc.
Leidos Holdings, Inc. (LDOS) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · LDOS · as of Sep 30, 2025
Ownership Breakdown
937
Institutional Holders
▲ 74 vs Q2
$18.34B
Total Inst. Value
▲ $2.81B vs Q2
125.79M
Shares Outstanding
freeFloat 99.15%
97.16M
13F Shares Held
▼ 1.41M vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
LDOS largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
VANGUARD GROUP INC services-computer integrated systems design | 15.00M | 11.63% | 11.63% | $2.83T | Nov 7, 2025 | ▼ 106.6K |
BLACKROCK, INC. services-computer integrated systems design | 10.81M | 8.38% | 8.38% | $2.04T | Nov 12, 2025 | ▼ 406.9K |
STATE STREET CORP services-computer integrated systems design | 5.81M | 4.50% | 4.50% | $1.10T | Nov 14, 2025 | ▲ 78.5K |
FMR LLC services-computer integrated systems design | 3.69M | 2.86% | 2.86% | $696.49B | Nov 13, 2025 | ▲ 891.6K |
GEODE CAPITAL MANAGEMENT, LLC services-computer integrated systems design | 3.47M | 2.69% | 2.69% | $653.92B | Nov 12, 2025 | ▼ 69.9K |
JPMORGAN CHASE & CO services-computer integrated systems design | 3.42M | 2.65% | 2.65% | $645.83B | Nov 26, 2025 | ▼ 110.8K |
BOSTON PARTNERS services-computer integrated systems design | 2.89M | 2.24% | 2.24% | $547.27B | Nov 13, 2025 | ▼ 17.1K |
FIRST TRUST ADVISORS LP services-computer integrated systems design | 2.78M | 2.16% | 2.16% | $525.59B | Nov 12, 2025 | ▼ 208.2K |
VAN ECK ASSOCIATES CORP services-computer integrated systems design | 2.41M | 1.87% | 1.87% | $455.64B | Nov 13, 2025 | ▲ 145.8K |
MASSACHUSETTS FINANCIAL SERVICES CO /MA/ services-computer integrated systems design | 2.22M | 1.72% | 1.72% | $419.78B | Oct 29, 2025 | ▲ 39.4K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
24
Increased
+3.82M shares0
New Positions
first time holders26
Decreased
−1.63M shares0
Sold Out
fully exitedNet shares change (top 50)
+2.19M
+3.82M / −1.63M
Net new holders
-2
0 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
LDOS insider trading · insider activity
Source: SEC Form 4
4
Buy transactions
8
Sell transactions
0.50
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Dahlberg Gregory R director | May 8, 2026 | Award | 1,067 | — | — | 24.0K | Form 4 ↗ |
Dahlberg Gregory R director | May 8, 2026 | Award | 1,281 | $131.26 | $168.1K | 1.3K | Form 4 ↗ |
Fubini David G director | May 8, 2026 | Award | 1,067 | — | — | 17.5K | Form 4 ↗ |
Fubini David G director | May 8, 2026 | Award | 1,281 | $131.26 | $168.1K | 1.3K | Form 4 ↗ |
Geer Noel B director | May 8, 2026 | Award | 1,067 | — | — | 44.3K | Form 4 ↗ |
Geer Noel B director | May 8, 2026 | Award | 1,281 | $131.26 | $168.1K | 1.3K | Form 4 ↗ |
Jonas Tina W director | May 8, 2026 | Award | 1,067 | — | — | 2.4K | Form 4 ↗ |
Jonas Tina W director | May 8, 2026 | Award | 1,281 | $131.26 | $168.1K | 1.3K | Form 4 ↗ |
KRAEMER HARRY M JANSEN JR director | May 8, 2026 | Award | 1,067 | — | — | 130.5K | Form 4 ↗ |
KRAEMER HARRY M JANSEN JR director | May 8, 2026 | Award | 1,281 | $131.26 | $168.1K | 1.3K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Leidos Holdings, Inc. (LDOS) is primarily owned by institutional investors, who hold approximately 77.2% of total shares outstanding. Company insiders own approximately 0.85%, while retail and public investors account for the remaining 21.91%.
The largest institutional shareholder of Leidos Holdings, Inc. is VANGUARD GROUP INC, holding approximately 15.00 million shares — equal to 11.63% of outstanding shares — as of September 30, 2025.
A total of 937 institutional investors currently hold LDOS stock, with a combined institutional value of approximately $18.34 billion as of the most recent 13F filing period.
Frequently asked questions
LDOS ownershipLeidos Holdings, Inc. (LDOS) is primarily owned by institutional investors, who hold approximately 77.2% of shares. The largest shareholder is VANGUARD GROUP INC with a 11.63% stake. Company insiders hold 0.85%. Data sourced from SEC Form 13F as of September 30, 2025.