Extreme Networks Inc

EXTR

Exchange: Nasdaq
Industry: Computer Communications Equipment
SEC CIK: 0001078271

SEC filings (opens in a new tab)

In the last 90 days, Extreme Networks Inc insiders filed 0 open-market purchases and 4 sales; 342 institutions reported holding it in 13F filings for Q2 2026, worth $4.13B in total; Maverick Capital is the only superinvestor holding it.

Q3 2025 vs. Q2 2025

How the institutions holding Extreme Networks Inc changed between Q2 2025 and Q3 2025.

All holders in Q3 2025 All holders in Q2 2025

13F holders of EXTR: Q2 2025 compared with Q3 2025
Measure	Q2 2025	Of which not filed for Q3 2025	Q3 2025	Change
Holders	291	2	309	+20
Shares	120.8M	363.4K	123.0M	+2.54M (+2.1%)
Value	$2.17B	$6.52M	$2.54B	+$378.3M (+17.5%)

2 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so the changes leave them out.

New holders (47)

Institutions that held Extreme Networks Inc at the end of Q3 2025 but not at the end of Q2 2025.

Institutions new to EXTR in Q3 2025
Institution	Shares	Value	% of portfolio
Loomis Sayles & Co L P	2,220,998	$45.9M	0.05%
HRT Financial LP	466,964	$9.64M	0.04%
LMR Partners LLP	400,000	$8.26M	0.11%
Baird Financial Group, Inc.	229,714	$4.74M	0.01%
Skandinaviska Enskilda Banken AB (publ)	174,800	$3.61M	0.01%
Vontobel Holding Ltd.	106,490	$2.20M	0.01%
Twinbeech Capital LP	82,646	$1.71M	0.07%
Axecap Investments, LLC	77,909	$1.61M	0.99%
Integrated Quantitative Investments LLC	52,227	$1.08M	0.31%
Elo Mutual Pension Insurance Co	34,902	$720.7K	0.01%
Versor Investments LP	32,000	$660.8K	0.12%
Capital Fund Management S.A.	30,548	$630.8K	0.01%
Landscape Capital Management, L.L.C.	30,090	$621.4K	0.04%
Semanteon Capital Management, LP	27,093	$559.5K	0.70%
Inceptionr LLC	26,907	$555.6K	0.13%
XTX Topco Ltd	21,766	$449.5K	0.02%
Round Rock Advisors, LLC	20,920	$442.2K	0.07%
Neo Ivy Capital Management	19,270	$397.9K	0.10%
State of Wyoming	19,249	$397.5K	0.05%
Entropy Technologies, LP	19,189	$396.3K	0.03%
Omers Administration Corp	18,600	$384.1K	0.00%
Boothbay Fund Management, LLC	14,951	$308.7K	0.01%
Prelude Capital Management, LLC	14,939	$308.5K	0.02%
Aster Capital Management (DIFC) Ltd	14,549	$300.4K	0.15%
PharVision Advisers, LLC	14,445	$298.3K	0.17%
CIBC Bancorp USA Inc.	14,074	$290.6K	0.00%
Sherbrooke Park Advisers LLC	13,628	$281.4K	0.13%
Sciencast Management LP	13,538	$279.6K	0.05%
Contravisory Investment Management, Inc.	13,481	$278.4K	0.05%
Farringdon Capital, Ltd.	10,068	$207.9K	0.05%
Leonteq Securities AG	5,000	$103.3K	0.01%
Wexford Capital LP	4,613	$95.3K	0.03%
Quadrant Capital Group LLC	4,395	$90.8K	0.00%
Wealth Enhancement Advisory Services, LLC	3,493	$70.0K	0.00%
Caitong International Asset Management Co., Ltd	1,501	$31.0K	0.02%
Advisors Asset Management, Inc.	1,360	$28.1K	0.00%
Salomon & Ludwin, LLC	1,315	$26.7K	0.00%
Wealthspire Advisors, LLC	832	$17.2K	0.00%
Simplex Trading, LLC	689	$14.0K	0.00%
Rockefeller Capital Management L.P.	473	$9.77K	0.00%
Advisory Services Network, LLC	175	$3.61K	0.00%
Johnson Financial Group, Inc.	136	$2.81K	0.00%
Optiver Holding B.V.	90	$1.86K	0.00%
Clearstead Advisors, LLC	38	$785	0.00%
Bear Mountain Capital, Inc.	13	$269	0.00%
Essential Partners LLC	7	$145	0.00%
CIBC Private Wealth Group, LLC	4	$83	0.00%

Sold out (27)

Institutions that held Extreme Networks Inc at the end of Q2 2025 and filed for Q3 2025 without it.

Institutions that sold out of EXTR in Q3 2025
Institution	Shares, Q2 2025	Value, Q2 2025
Cubist Systematic Strategies, LLC	627,572	$11.3M
Voloridge Investment Management, LLC	346,892	$6.23M
Voss Capital, LLC	250,000	$4.49M
PDT Partners, LLC	142,299	$2.55M
Thompson Siegel & Walmsley LLC	113,293	$2.03M
Walleye Capital LLC	79,921	$1.43M
New Century Financial Group, LLC	73,502	$1.32M
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main	51,204	$919.1K
Balyasny Asset Management LLC	38,169	$685.1K
Oxford Asset Management LLP	33,090	$594.0K
Mirabella Financial Services LLP	31,400	$563.6K
Point72 (DIFC) Ltd	22,056	$395.9K
Petrus Trust Company, LTA	20,503	$368.0K
Bridgefront Capital, LLC	17,438	$313.0K
Centiva Capital, LP	16,714	$300.0K
ISAM Funds (UK) Ltd	15,983	$286.9K
Polymer Capital Management (US) LLC	14,987	$269.0K
111 Capital	11,962	$214.7K
Point72 Asia (Singapore) Pte. Ltd.	2,095	$37.6K
Skopos Labs, Inc.	1,490	$26.7K
Twin Peaks Wealth Advisors, LLC	645	$13.4K
Meeder Asset Management Inc	466	$8.37K
Trust Co of Vermont	400	$7.18K
SRS Capital Advisors, Inc.	360	$6.46K
Walleye Trading LLC	345	$6.19K
Group One Trading, L.P.	122	$2.19K
Geneos Wealth Management Inc.	91	$1.63K

Not filed for Q3 2025 yet (2)

Institutions that held Extreme Networks Inc at the end of Q2 2025 and haven't filed a 13F for Q3 2025. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding EXTR in Q2 2025 that haven't filed for Q3 2025
Institution	Shares, Q2 2025	Value, Q2 2025
Norges Bank	347,104	$6.23M
CIBC World Markets Corp	16,268	$292.0K