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EXTRInformation TechnologyCommon Stock

Extreme Networks Inc

Held by 11 tracked managers as of Q2 2026 · CUSIP ⓘCUSIP: A 9-character ID for one specific security - one share class of one company, or one bond. Tickers can change and can mean different things in different countries; a CUSIP always identifies exactly the same security, which is why filings use it. Guide 30226D106 · Sector ⓘGICS sectors: The 11-sector system most investors know (Global Industry Classification Standard): Technology, Health Care, Financials and so on. This site assigns each company a GICS-style sector from its SIC code, with a few hand corrections, so sector pages match the names investors expect. Guide

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In plain English: 11 of the investors we track own this stock. In the latest quarter, 7 of them bought more of it and 4 sold some or all of theirs (1 bought it for the first time). That tells you what they did last quarter — not what the stock will do next.

Educational and informational only, not personalized investment advice. Based on public filings that may be delayed or contain errors; verify with the original filings. Disclaimer

Managers holding
11
+1 vs last quarter (like-for-like)
Total value held
$298.16M
Across tracked managers
Average weight ⓘOn average, how big this stock is in the portfolios that own it (its share of each manager's reported portfolio value).
0.7%
Of each manager's book
QoQ value ⓘLike-for-like: only managers that filed both quarters are compared, so a manager filing late (or confidentially) does not look like buying or selling. Includes price changes.
+$148.41M
+99.1% vs last quarter
Net shares bought
-722.8K
Est. net flow -$23.28M
Quarter activity
7 bought · 4 sold
1 new · 0 sold out

Tracked capital in this stock

Total value held (area) and number of managers (line). Dips can mean a large holder filed that quarter confidentially (e.g. Norges Bank in Q1/Q3).

Chart: Tracked capital in this stock

Aggregate buying and selling

Net share change reported each quarter

Chart: Aggregate buying and selling

Who owns EXTR?

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Who owns EXTR? — Q2 2026

Holders ranked by position size, with each one's quarter-over-quarter change.

CSV Excel
Column filters

Numbers accept 1.5M, 2B, 250K. Percent columns take percent (5 = 5%).

# Manager Fund Shares Value ↓ % of their portfolio QoQ Δ shares Δ shares % Est. Δ value ⓘChange in shares × this quarter's price
1 Jim Simons Renaissance Technologies 1.86M $60.29M 0.1% Reduced -213.5K -10.3% -$6.91M
2 SouthernSun SouthernSun Asset Management 1.69M $54.56M 7.3% Reduced -612.5K -26.7% -$19.83M
3 Boston Partners Boston Partners Global Investors 1.67M $54.30M 0.0% New +1.7M — +$54.30M
4 Israel Englander Millennium Management 1.03M $33.31M 0.0% Added +869.8K +546.6% +$28.15M
5 David Shaw D.E. Shaw & Co. 938.18K $30.37M 0.0% Reduced -532.3K -36.2% -$17.23M
6 Two Sigma Two Sigma Investments 812.55K $26.30M 0.0% Added +435.4K +115.5% +$14.09M
7 Matthew McLennan First Eagle Investment Management 582.92K $18.87M 0.0% Added +233.4K +66.8% +$7.55M
8 Ken Griffin Citadel Advisors 534.75K $17.31M 0.0% Added +31.5K +6.3% +$1.02M
9 Ray Dalio Bridgewater Associates 55.34K $1.79M 0.0% Added +35.8K +183.6% +$1.16M
10 Chuck Royce Royce & Associates 32.40K $1.05M 0.0% Added +6.8K +26.5% +$219.99K
11 Barrow Hanley Barrow Hanley Mewhinney & Strauss 571 $18.48K 0.0% Reduced -2.7M -100.0% -$85.82M

Sold out completely this quarter

CSV Excel
Column filters

Numbers accept 1.5M, 2B, 250K. Percent columns take percent (5 = 5%).

No tracked manager sold out of this stock this quarter.

Politician trades

Politician trades in EXTR

CSV Excel
Column filters

Numbers accept 1.5M, 2B, 250K. Percent columns take percent (5 = 5%).

No politician trades match these filters.