COMMSCOPE HOLDING CO INC (COMM) Stock Institutional Trading Activity
COMMSCOPE HOLDING CO INC (COMM) 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, Atlantic Investment Management, Sound Shore Management, Olstein Capital Management, and First Eagle U.S. Value. 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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- COMMSCOPE HOLDING CO INC (COMM) stock institutional ownership
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| Portfolio quarter | Name | Type | Quantity | Remaining | Reported stock balance |
|---|---|---|---|---|---|
| Q1 2018 | Atlantic Investment Management | Sell | -1,681,900 | 2,137,582 | $85,439 |
| Q4 2017 | Atlantic Investment Management | Buy | 139,041 | 3,819,482 | $144,491 |
| Q3 2017 | First Eagle U.S. Value | Buy | 260,000 | 260,000 | $8,635 |
| Q3 2017 | Atlantic Investment Management | Sell | -585,548 | 3,680,441 | $122,227 |
| Q2 2017 | Renaissance Technologies LLC | Buy | 212,400 | 332,400 | $12,641 |
| Q2 2017 | Atlantic Investment Management | Buy | 492,233 | 4,265,989 | $162,236 |
| Q1 2017 | Renaissance Technologies LLC | Sell | -1,361,600 | 120,000 | $5,005 |
| Q1 2017 | Lone Pine Capital | Buy | 3,634,214 | 7,427,085 | $309,784 |
| Q1 2017 | Atlantic Investment Management | Buy | 656,629 | 3,773,756 | $157,403 |
| Q4 2016 | Atlantic Investment Management | Buy | 2,798,476 | 3,117,127 | $115,957 |
| Q4 2016 | Renaissance Technologies LLC | Buy | 489,100 | 1,481,600 | $55,116 |
| Q3 2016 | Atlantic Investment Management | Buy | 193,651 | 318,651 | $9,595 |
| Q3 2016 | Renaissance Technologies LLC | Buy | 952,700 | 992,500 | $29,884 |
| Q3 2016 | Lone Pine Capital | Buy | 300,000 | 3,792,871 | $114,203 |
| Q2 2016 | Renaissance Technologies LLC | Sell | -88,400 | 39,800 | $1,235 |
| Q2 2016 | Atlantic Investment Management | Buy | 125,000 | 125,000 | $3,879 |
| Q2 2016 | Lone Pine Capital | Buy | 2,639,885 | 3,492,871 | $108,384 |
| Q1 2016 | Renaissance Technologies LLC | Sell | -207,822 | 128,200 | $3,579 |
| Q1 2016 | Lone Pine Capital | Buy | 852,986 | 852,986 | $23,815 |
| Q3 2015 | Renaissance Technologies LLC | Sell | -409,378 | 336,022 | $10,091 |
| Q2 2015 | Renaissance Technologies LLC | Buy | 58,450 | 745,400 | $22,742 |
| Q1 2015 | Renaissance Technologies LLC | Buy | 686,950 | 686,950 | $19,606 |
Frequently asked questions about COMM activity
Which institutional owners are buying COMM?
Institutional owners buying COMM 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 COMM activity?
"Buy" means an investor increased their reported position in COMM compared to the prior reporting period. This reflects growing exposure to COMMSCOPE HOLDING CO INC (COMM) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).
Is institutional interest in COMM increasing?
Institutional interest in COMM 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.