NETSCOUT SYSTEMS INC (NTCT) Stock Institutional Trading Activity
NETSCOUT SYSTEMS INC (NTCT) 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 Renaissance Technologies LLC, First Eagle U.S. Value, Turtle Creek Asset Management, Third Avenue Management, and ValueAct Holdings. 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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- NETSCOUT SYSTEMS INC (NTCT) stock institutional ownership
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| Portfolio quarter | Name | Type | Quantity | Remaining | Reported stock balance |
|---|---|---|---|---|---|
| Q2 2017 | Renaissance Technologies LLC | Sell | -39,400 | 61,700 | $2,122 |
| Q2 2017 | ValueAct Holdings | Sell | -549,057 | 1,750,943 | $60,232 |
| Q2 2017 | Third Avenue Management | Sell | -21,700 | 247,700 | $8,521 |
| Q2 2017 | Turtle Creek Asset Management | Buy | 421,600 | 1,924,709 | $66,210 |
| Q1 2017 | ValueAct Holdings | Buy | 655,000 | 2,300,000 | $87,285 |
| Q1 2017 | Turtle Creek Asset Management | Buy | 552,109 | 1,503,109 | $57,043 |
| Q4 2016 | ValueAct Holdings | Buy | 1,645,000 | 1,645,000 | $51,818 |
| Q4 2016 | Third Avenue Management | Sell | -881 | 269,400 | $8,486 |
| Q4 2016 | Turtle Creek Asset Management | Buy | 951,000 | 951,000 | $29,957 |
| Q2 2016 | Renaissance Technologies LLC | Sell | -58,900 | 101,100 | $2,249 |
| Q2 2016 | Third Avenue Management | Buy | 270,281 | 270,281 | $6,014 |
| Q1 2016 | Renaissance Technologies LLC | Buy | 19,700 | 160,000 | $3,675 |
| Q4 2015 | Renaissance Technologies LLC | Buy | 76,900 | 140,300 | $4,307 |
| Q3 2015 | Renaissance Technologies LLC | Sell | -69,200 | 63,400 | $2,242 |
| Q2 2015 | Renaissance Technologies LLC | Sell | -42,300 | 132,600 | $4,862 |
| Q3 2014 | Renaissance Technologies LLC | Sell | -79,600 | 174,900 | $8,010 |
| Q2 2014 | Renaissance Technologies LLC | Buy | 125,200 | 254,500 | $11,285 |
| Q3 2013 | Renaissance Technologies LLC | Sell | -148,000 | 129,300 | $3,301 |
| Q2 2013 | Renaissance Technologies LLC | Buy | 277,300 | 277,300 | $6,472 |
Frequently asked questions about NTCT activity
Which institutional owners are buying NTCT?
Institutional owners buying NTCT 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 NTCT activity?
"Buy" means an investor increased their reported position in NTCT compared to the prior reporting period. This reflects growing exposure to NETSCOUT SYSTEMS INC (NTCT) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).
Is institutional interest in NTCT increasing?
Institutional interest in NTCT 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.