ISHARES RUSSELL 2000 ETF (IWM) Stock Institutional Trading Activity
ISHARES RUSSELL 2000 ETF (IWM) 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 Durable Capital Partners, Matrix Advisors Value Fund, Matrix Private Capital Group, Sequoia Financial Advisors, and Renaissance Technologies LLC. Explore insights into buying and selling patterns, position changes, and investment conviction levels to understand institutional trading behavior and market dynamics.
Explore more:
- ISHARES RUSSELL 2000 ETF (IWM) stock institutional ownership
- ISHARES RUSSELL 2000 ETF (IWM) stock insider trading activity
- Stock rankings
| Portfolio quarter | Name | Type | Quantity | Remaining | Reported stock balance |
|---|---|---|---|---|---|
| Q1 2017 | Sequoia Financial Advisors | Buy | 20,369 | 27,769 | $3,818 |
| Q4 2016 | Mairs & Power Growth Fund | Sell | -200 | 3,320 | $448 |
| Q4 2016 | Ariel Appreciation Fund | Buy | 9,341 | 9,341 | $1,260 |
| Q4 2016 | Matrix Advisors Value Fund | Buy | 46 | 2,735 | $369 |
| Q4 2016 | Sequoia Financial Advisors | Buy | 5,271 | 7,400 | $998 |
| Q4 2016 | Engaged Capital | Sell | -19,700 | 30,922 | $4,170 |
| Q3 2016 | Mairs & Power Growth Fund | Sell | -587 | 3,520 | $437 |
| Q3 2016 | Sequoia Financial Advisors | Sell | -3,135 | 2,129 | $264 |
| Q3 2016 | Engaged Capital | Buy | 11,053 | 50,622 | $6,288 |
| Q2 2016 | Mairs & Power Growth Fund | Sell | -365 | 4,107 | $472 |
| Q2 2016 | Sequoia Financial Advisors | Buy | 5,264 | 5,264 | $605 |
| Q2 2016 | Engaged Capital | Sell | -17,220 | 39,569 | $4,550 |
| Q1 2016 | Matrix Advisors Value Fund | Buy | 24 | 2,689 | $297 |
| Q1 2016 | Engaged Capital | Buy | 56,789 | 56,789 | $6,283 |
| Q4 2015 | Mairs & Power Growth Fund | Buy | 1,930 | 4,472 | $504 |
| Q4 2015 | Matrix Advisors Value Fund | Buy | 109 | 2,665 | $300 |
| Q3 2015 | Matrix Advisors Value Fund | Buy | 255 | 2,556 | $279 |
| Q2 2015 | Matrix Advisors Value Fund | Buy | 486 | 2,301 | $287 |
| Q1 2015 | Matrix Advisors Value Fund | Buy | 1,815 | 1,815 | $226 |
| Q2 2014 | Mairs & Power Growth Fund | Sell | -383 | 2,542 | $302 |
| Q1 2014 | Mairs & Power Growth Fund | Sell | -79 | 2,925 | $340 |
| Q4 2013 | Mairs & Power Growth Fund | Sell | -30 | 3,004 | $347 |
| Q3 2013 | Mairs & Power Growth Fund | Buy | 400 | 3,034 | $323 |
| Q2 2013 | Mairs & Power Growth Fund | Buy | 2,634 | 2,634 | $255 |
Frequently asked questions about IWM activity
Which institutional owners are buying IWM?
Institutional owners buying IWM 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 IWM activity?
"Buy" means an investor increased their reported position in IWM compared to the prior reporting period. This reflects growing exposure to ISHARES RUSSELL 2000 ETF (IWM) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).
Is institutional interest in IWM increasing?
Institutional interest in IWM 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.