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 5 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.

Q4 2025 vs. Q3 2025

How the institutions holding Extreme Networks Inc changed between Q3 2025 and Q4 2025.

All holders in Q4 2025 All holders in Q3 2025

13F holders of EXTR: Q3 2025 compared with Q4 2025
Measure	Q3 2025	Of which not filed for Q4 2025	Q4 2025	Change
Holders	309	2	309	+2
Shares	123.0M	14.1K	127.5M	+4.49M (+3.6%)
Value	$2.54B	$290.6K	$2.12B	−$417.9M (−16.5%)

2 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so the changes leave them out.

New holders (43)

Institutions that held Extreme Networks Inc at the end of Q4 2025 but not at the end of Q3 2025.

Institutions new to EXTR in Q4 2025
Institution	Shares	Value	% of portfolio
Shannon River Fund Management LLC	1,904,528	$31.7M	4.97%
Jain Global LLC	1,042,686	$17.4M	0.17%
Defiance ETFs, LLC	440,141	$7.43M	0.24%
TrimTabs Asset Management, LLC	386,748	$6.44M	0.84%
Norges Bank	347,104	$5.78M	0.00%
Oppenheimer Asset Management Inc.	60,614	$1.01M	0.01%
Picton Mahoney Asset Management	55,064	$916.8K	0.01%
Mirabella Financial Services LLP	54,712	$911.0K	0.09%
Campbell & CO Investment Adviser LLC	52,594	$875.7K	0.04%
Bridgefront Capital, LLC	27,291	$454.4K	0.11%
NBC Securities, Inc.	26,912	$448.1K	0.03%
Lazard Asset Management LLC	23,748	$395.4K	0.00%
Freestone Grove Partners LP	23,720	$394.9K	0.00%
Axq Capital, LP	19,665	$327.4K	0.07%
Winton Group Ltd	14,271	$237.6K	0.01%
MQS Management LLC	13,716	$228.4K	0.13%
Summit Global Investments	13,109	$218.0K	0.01%
Diametric Capital, LP	12,726	$211.9K	0.06%
Diversified Trust Co	11,069	$184.3K	0.00%
Pinnacle Wealth Planning Services, Inc.	3,475	$57.9K	0.01%
Pittenger & Anderson Inc	1,000	$16.6K	0.00%
Truvestments Capital LLC	1,000	$16.6K	0.00%
Clear Street Markets LLC	784	$13.1K	0.00%
Sound Income Strategies, LLC	723	$11.5K	0.00%
CoreCap Advisors, LLC	337	$5.61K	0.00%
Bell Investment Advisors, Inc	281	$4.68K	0.00%
SRS Capital Advisors, Inc.	199	$3.31K	0.00%
Bayforest Capital Ltd	194	$3.23K	0.00%
Federation des caisses Desjardins du Quebec	100	$1.67K	0.00%
Torren Management, LLC	98	$1.63K	0.00%
ORG Partners LLC	90	$1.50K	0.00%
Assetmark, Inc	58	$966	0.00%
Manchester Capital Management LLC	41	$683	0.00%
Godfrey Financial Associates, Inc.	28	$466	0.00%
Ankerstar Wealth, LLC	18	$300	0.00%
Signature Equity Partners, LLC	16	$266	0.00%
Keating Financial Advisory Services, Inc.	14	$233	0.00%
TD Private Client Wealth LLC	8	$133	0.00%
Flagship Harbor Advisors, LLC	6	$100	0.00%
Gilpin Wealth Management, LLC	6	$100	0.00%
Dunhill Financial, LLC	2	$27	0.00%
Rothschild Investment LLC	1	$17	0.00%
SJS Investment Consulting Inc.	1	$17	0.00%

Sold out (41)

Institutions that held Extreme Networks Inc at the end of Q3 2025 and filed for Q4 2025 without it.

Institutions that sold out of EXTR in Q4 2025
Institution	Shares, Q3 2025	Value, Q3 2025
LMR Partners LLP	400,000	$8.26M
Squarepoint Ops LLC	382,868	$7.91M
ExodusPoint Capital Management, LP	359,076	$7.41M
Healthcare of Ontario Pension Plan Trust Fund	323,200	$6.67M
Lisanti Capital Growth, LLC	248,712	$5.14M
Baird Financial Group, Inc.	229,714	$4.74M
Vontobel Holding Ltd.	106,490	$2.20M
SummitTX Capital, L.P.	103,011	$2.13M
Axecap Investments, LLC	77,909	$1.61M
Dynamic Technology Lab Private Ltd	70,987	$1.47M
DRW Securities, LLC	61,270	$1.27M
Dark Forest Capital Management LP	58,902	$1.22M
Gsa Capital Partners LLP	49,789	$1.03M
Occudo Quantitative Strategies LP	44,175	$912.2K
Sirios Capital Management L P	33,797	$697.9K
Dimensional Fund Advisors LP	31,553	$651.6K
Capital Fund Management S.A.	30,548	$630.8K
Landscape Capital Management, L.L.C.	30,090	$621.4K
NJ State Employees Deferred Compensation Plan	30,000	$619.5K
Semanteon Capital Management, LP	27,093	$559.5K
Omers Administration Corp	18,600	$384.1K
Aster Capital Management (DIFC) Ltd	14,549	$300.4K
Bayesian Capital Management, LP	14,153	$292.3K
Sherbrooke Park Advisers LLC	13,628	$281.4K
Sciencast Management LP	13,538	$279.6K
Farringdon Capital, Ltd.	10,068	$207.9K
Leonteq Securities AG	5,000	$103.3K
Wexford Capital LP	4,613	$95.3K
Wealthspire Advisors, LLC	832	$17.2K
Simplex Trading, LLC	689	$14.0K
National Bank of Canada	665	$13.7K
Hollencrest Capital Management	600	$12.4K
TD Waterhouse Canada Inc.	289	$6.04K
Advisory Services Network, LLC	175	$3.61K
Northwestern Mutual Wealth Management Co	138	$2.85K
Principal Securities, Inc.	127	$2.62K
Toth Financial Advisory Corp	100	$2.06K
Atlantic Trust, LLC	91	$1.88K
Optiver Holding B.V.	90	$1.86K
Clearstead Advisors, LLC	38	$785
Bear Mountain Capital, Inc.	13	$269

Not filed for Q4 2025 yet (2)

Institutions that held Extreme Networks Inc at the end of Q3 2025 and haven't filed a 13F for Q4 2025. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding EXTR in Q3 2025 that haven't filed for Q4 2025
Institution	Shares, Q3 2025	Value, Q3 2025
CIBC Bancorp USA Inc.	14,074	$290.6K
Hemington Wealth Management	5	$0