$EXTR

$22.70 +$0.73 (3.32%) Close

$EXTR Overview Financial Statements SEC Filings Executives News Red Flags Capital Raising Ownership Insider Transactions Congressional Trades

Ownership

13F as of Q2 2026 · 130.5M shares outstanding

Who owns EXTR?

By type of holder

Institutions 98.2% Insiders 1.8% Everyone else 0.0%

Concentration Top 10 holders own 52.4%

BlackRock, Inc. 16.0% · Vanguard Portfolio Management LLC 9.8%

Institutional ownership

98.2%

+1.0 pts vs last qtr

Institutional holders

338

+39 vs last qtr

Net shares bought

+1.3M

by institutions in Q2 2026

New / sold out

76 / 37

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

Price T Rowe Associates Inc /MD/ +5.2M
American Century Companies Inc +2.3M

Biggest sellers in Q2 2026

Alyeska Investment Group, L.P. SOLD OUT −2.8M
Barrow Hanley Mewhinney & Strauss LLC −2.7M

Who is planning to sell?

Notices of proposed sale, last 12 months

$27M

19 notices from 6 people

Shares covered

1.2M

0.89% of the company

Arranged in advance

87%

of the value is under a 10b5-1 plan

Under a 10b5-1 plan No plan

Largest proposed sellers

Edward Meyercord Director 10b5-1 $20.2M
Katayoun Motiey Officer $2.17M

Every notice on Red Flags →

A Form 144 is notice of a planned sale, not the sale itself. What insiders actually sold is on Insider Transactions.

Is your stake being diluted?

Diluted share count, FY2017–FY2026

+24.7%

+2.48% a year

Each share's claim on the business

−19.8%

shrank without buying or selling a share

Spent on buybacks vs paid in stock

$365M vs $504M

over 10 fiscal years

Diluted shares, split-adjusted

Buybacks Stock-based comp

How patient are the owners?

Institutional shares by how long they've been held

5+ years71% 3–5 years7% 1–3 years11% Under 1 year11%

Quarterly turnover

15.8%

of institutional shares changed hands

Top 10 managers, median time held

5 years

Super Investors

Investment managers reporting EXTR on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
B BlackRock, Inc.	20.8M	15.97%	+652.3K (+3.2%)	≤2021	0.0%
Shares held by quarter Peak holding20.8M (Q2'26) Change over 8 quarters+2.5M Share of the company15.970% BlackRock, Inc.'s full portfolio →
VP Vanguard Portfolio Management LLC	12.8M	9.84%	−733.9K (−5.4%)	≤2021	0.0%
Shares held by quarter Peak holding13.6M (Q1'26) Change over 8 quarters+12.8M Share of the company9.840% Vanguard Portfolio Management LLC's full portfolio →

BlackRock, Inc.

20.8M

% of company

15.97%

Change vs last qtr

+652.3K (+3.2%)

Held since

≤2021

Vanguard Portfolio Management LLC

12.8M

% of company

9.84%

Change vs last qtr

−733.9K (−5.4%)

Held since

≤2021

28 more super investors behind a free account

See every manager holding Extreme Networks Inc, how their position has changed, and how long they've held it.

Institutional Funds

Mutual funds and ETFs reporting EXTR on Form N-PORT; together they hold 49.5% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
IC iShares Core S&P Small-Cap ETF iShares Trust	$203M	6.3M	4.81%	0.18%	June 30, 2026
VT Vanguard Total Stock Market Index Fund Vanguard Index Funds	$128M	3.9M	3.02%	0.01%	June 30, 2026

iShares Core S&P Small-Cap ETF

iShares Trust

Position value

$203M

% of company

4.81%

% of the fund

0.18%

As of

June 30, 2026

Vanguard Total Stock Market Index Fund

Vanguard Index Funds

Position value

$128M

% of company

3.02%

% of the fund

0.01%

As of

June 30, 2026

23 more funds behind a free account

See every fund holding Extreme Networks Inc and how much of the fund the position is.

Insiders and 5%+ holders

From Forms 3/4/5 and Schedules 13D/G

Holder	Shares	% of company	Change vs last qtr	8 quarters	Held since	% of their book
ME Meyercord Edward Insider	1.7M	1.31%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company1.310% Meyercord Edward's insider activity →
KE Kennedy Edward H Insider	1.2M	0.93%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company0.930% Kennedy Edward H's insider activity →

Meyercord Edward

Insider

1.7M

% of company

1.31%

Change vs last qtr

—

Held since

—

Kennedy Edward H

Insider

1.2M

% of company

0.93%

Change vs last qtr

—

Held since

—

7 more holders behind a free account

See every insider and 5%+ holder of Extreme Networks Inc.

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