LEIDOS HOLDINGS INC (LDOS) Stock Institutional Trading Activity
LEIDOS HOLDINGS INC (LDOS) position changes reported by tracked institutional filers across multiple SEC 13F reporting periods. Based on recent SEC 13F filings (Q4 2025), investors with some of the largest reported share count changes include Hancock Classic Value, Sequoia Financial Advisors, Renaissance Technologies LLC, Causeway Capital Management, and Arbiter Partners Capital Management. Explore insights into buying and selling patterns, position changes, and investment conviction levels to understand institutional trading behavior and market dynamics.
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- LEIDOS HOLDINGS INC (LDOS) stock institutional ownership
- LEIDOS HOLDINGS INC (LDOS) stock insider trading activity
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| Portfolio quarter | Name | Type | Quantity | Remaining | Reported stock balance |
|---|---|---|---|---|---|
| Q4 2017 | Renaissance Technologies LLC | Buy | 45,503 | 1,090,450 | $70,410 |
| Q3 2017 | Renaissance Technologies LLC | Buy | 179,897 | 1,044,947 | $61,882 |
| Q2 2017 | Renaissance Technologies LLC | Sell | -140,300 | 865,050 | $44,714 |
| Q1 2017 | Renaissance Technologies LLC | Sell | -477,131 | 1,005,350 | $51,414 |
| Q4 2016 | Renaissance Technologies LLC | Buy | 454,531 | 1,482,481 | $75,814 |
| Q3 2016 | Renaissance Technologies LLC | Buy | 623,300 | 1,027,950 | $44,490 |
| Q3 2016 | Arbiter Partners Capital Management | Buy | 50,000 | 50,000 | $2,164 |
| Q2 2016 | Renaissance Technologies LLC | Buy | 246,700 | 404,650 | $19,371 |
| Q1 2016 | Renaissance Technologies LLC | Sell | -256,000 | 157,950 | $7,948 |
| Q4 2015 | Renaissance Technologies LLC | Buy | 331,900 | 413,950 | $23,289 |
| Q3 2015 | Renaissance Technologies LLC | Sell | -85,800 | 82,050 | $3,389 |
| Q2 2015 | Renaissance Technologies LLC | Sell | -84,569 | 167,850 | $6,776 |
| Q1 2015 | Renaissance Technologies LLC | Buy | 73,469 | 252,419 | $10,592 |
| Q4 2014 | Renaissance Technologies LLC | Buy | 102,300 | 178,950 | $7,788 |
| Q2 2014 | Renaissance Technologies LLC | Buy | 76,650 | 76,650 | $2,939 |
| Q1 2014 | First Eagle U.S. Value | Sell | -494,337 | 302,335 | $10,694 |
| Q4 2013 | First Eagle U.S. Value | Buy | 796,672 | 796,672 | $37,037 |
Frequently asked questions about LDOS activity
Which institutional owners are buying LDOS?
Institutional owners buying LDOS include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.
What does "buy" mean in LDOS activity?
"Buy" means an investor increased their reported position in LDOS compared to the prior reporting period. This reflects growing exposure to LEIDOS HOLDINGS INC (LDOS) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).
Is institutional interest in LDOS increasing?
Institutional interest in LDOS can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.