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Disclosery

EXTR EXTREME NETWORKS INC

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COM (common), issuer CIK 1078271

306 managers (309 13F filers) reported a position in EXTR shares at 2025-12-31, 127,462,080 shares in all. 37 filers opened a position and 42 filers sold out during the quarter.

Managers
306
13F filers
309
New
37
Added
130
Reduced
95
Sold out
42
Shares held by filers
127,462,080

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q4 2025

Filers in the available 13F reports with a share position at 2025-12-31, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
WINTON GROUP Ltdin group WINTON GROUP Ltd14,271$238K0.01%new13F-HRTimelineGroup
NATIXIS ADVISORS, LLCin group Natixis Investment Managers14,221$237K<0.01%-2,26313F-HRTimelineGroup
PUBLIC EMPLOYEES RETIREMENT ASSOCIATION…14,169$236K<0.01%013F-HRTimeline
Pacer Advisors, Inc.14,026$234K<0.01%+6,60913F-HR/ATimeline
Regal Investment Advisors LLC14,000$233K0.01%013F-HRTimeline
MQS Management LLC13,716$228K0.13%new13F-HRTimeline
HSBC HOLDINGS PLCin group HSBC HOLDINGS PLC13,225$221K<0.01%-6,57713F-HR/ATimelineGroup
Summit Global Investmentsin group Summit Global Investments13,109$218K0.01%new13F-HRTimelineGroup
CONTRAVISORY INVESTMENT MANAGEMENT, INC.12,941$215K0.04%-54013F-HRTimeline
Verition Fund Management LLC12,880$214K<0.01%-10,83213F-HRTimeline
Diametric Capital, LP12,726$212K0.06%new13F-HRTimeline
First Bank & Trust12,124$202K0.03%+2613F-HRTimeline
one8zero8, LLC12,000$200K0.04%013F-HRTimeline
GUGGENHEIM CAPITAL LLCin group GUGGENHEIM CAPITAL LLC11,974$199K<0.01%-4,47713F-HRTimelineGroup
ROYCE & ASSOCIATES LP11,897$198K<0.01%-27,36613F-HRTimeline
BANK OF MONTREAL /CAN/in group BANK OF MONTREAL /CAN/11,799$196K<0.01%-40713F-HRTimelineGroup
DIVERSIFIED TRUST CO11,069$184K<0.01%new13F-HRTimeline
Ameritas Investment Partners, Inc.in group Ameritas Investment Partners,…11,031$184K0.01%013F-HRTimelineGroup
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…10,783$180K<0.01%+6,50113F-HRTimelineGroup
XPONANCE LLC10,405$173K<0.01%+4613F-HRTimeline
PNC Financial Services Group, Inc.in group PNC Financial Services Group,…10,266$171K<0.01%-20513F-HRTimelineGroup
Vise Technologies, Inc.10,178$169K<0.01%-1,05113F-HRTimeline
TRUST CO OF TOLEDO NA /OH/9,400$157K0.02%013F-HRTimeline
Ensign Peak Advisors, Inc7,557$126K<0.01%-20,55013F-HR/ATimeline
GLOBEFLEX CAPITAL L P5,700$94.9K0.01%013F-HRTimeline
QUADRANT CAPITAL GROUP LLC4,980$82.9K<0.01%+58513F-HRTimeline
KBC Group NVin group KBC Group NV4,878$81K<0.01%013F-HRTimelineGroup
WEALTH ENHANCEMENT ADVISORY SERVICES, L…5,064$76.8K<0.01%+1,57113F-HRTimeline
Neo Ivy Capital Management4,150$69.1K0.01%-15,12013F-HRTimeline
GAMMA Investing LLC3,812$63.5K<0.01%+6113F-HRTimeline
Pinnacle Wealth Planning Services, Inc.3,475$57.9K0.01%new13F-HRTimeline
Advisors Asset Management, Inc.3,221$53.6K<0.01%+1,86113F-HR/ATimeline
CWM, LLCin group CWM, LLC3,179$53K<0.01%+1,08413F-HRTimelineGroup
BNP PARIBAS ASSET MANAGEMENT Holding S.…in group BNP PARIBAS ASSET MANAGEMENT …2,267$38K<0.01%+69713F-HRTimelineGroup
Allworth Financial LP2,240$37.3K<0.01%+12113F-HRTimeline
NISA INVESTMENT ADVISORS, LLC2,218$36.9K<0.01%-20613F-HRTimeline
Farther Finance Advisors, LLC2,158$35.9K<0.01%-4313F-HRTimeline
Quarry LP2,096$34.9K0.01%-51413F-HRTimeline
Steward Partners Investment Advisory, L…2,054$34.2K<0.01%-2,32013F-HRTimeline
MAI Capital Management2,018$33.6K<0.01%+2913F-HRTimeline
Rockefeller Capital Management L.P.in group Rockefeller Capital Managemen…1,957$32.6K<0.01%+1,48413F-HR/ATimelineGroup
Smartleaf Asset Management LLC1,663$28.1K<0.01%+4713F-HRTimeline
Versant Capital Management, Inc1,390$23.1K<0.01%+2213F-HRTimeline
Salomon & Ludwin, LLC1,295$21.6K<0.01%-2013F-HRTimeline
US BANCORP \DE\in group US BANCORP \DE\1,232$20.5K<0.01%013F-HRTimelineGroup
DANSKE BANK A/S1,000$16.6K<0.01%013F-HRTimeline
ALERUS FINANCIAL NA1,000$16.6K<0.01%013F-HRTimeline
PITTENGER & ANDERSON INC1,000$16.6K<0.01%new13F-HRTimeline
Asset Dedication, LLC1,000$16.6K<0.01%013F-HRTimeline
Truvestments Capital LLC1,000$16.6K<0.01%new13F-HRTimeline
BESSEMER GROUP INCin group BESSEMER GROUP INC939$16K<0.01%+15513F-HRTimelineGroup
Compagnie Lombard Odier SCmA900$15K<0.01%013F-HRTimeline
Sterling Capital Management LLC847$14.1K<0.01%+52713F-HRTimeline
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF O…838$14K<0.01%+18413F-HRTimeline
JONES FINANCIAL COMPANIES LLLPin group JONES FINANCIAL COMPANIES LLLP824$13.7K<0.01%+8013F-HRTimelineGroup
FIFTH THIRD BANCORPin group FIFTH THIRD BANK, NATIONAL AS…791$13.2K<0.01%+3113F-HRTimelineGroup
SUMMIT SECURITIES GROUP LLC784$13.1K<0.01%new13F-HRTimeline
Sound Income Strategies, LLC723$11.5K<0.01%new13F-HRTimeline
WPG Advisers, LLC527$8.78K0.01%013F-HRTimeline
Covestor Ltd468$8K<0.01%+9413F-HRTimeline
SBI Securities Co., Ltd.454$7.56K<0.01%-15613F-HRTimeline
SIGNATUREFD, LLC438$7.29K<0.01%-35013F-HRTimeline
UMB Bank, n.a.377$6.28K<0.01%-11713F-HRTimelineThe filing omitted confidential holdings, a later amendment may add them.
PRIVATE TRUST CO NA361$6.01K<0.01%013F-HRTimeline
HANTZ FINANCIAL SERVICES, INC.350$6K<0.01%-8913F-HRTimelineThe filing omitted confidential holdings, a later amendment may add them.
CoreCap Advisors, LLC337$5.61K<0.01%new13F-HRTimeline
SOA Wealth Advisors, LLC.300$5K<0.01%+10013F-HRTimeline
Global Retirement Partners, LLC296$4.93K<0.01%+9413F-HRTimeline
Bell Investment Advisors, Inc281$4.68K<0.01%new13F-HRTimeline
EverSource Wealth Advisors, LLCin group EverSource Wealth Advisors, L…260$4.33K<0.01%-6913F-HRTimelineGroup
LRI Investments, LLC220$3.66K<0.01%013F-HRTimeline
Arax Advisory Partners199$3.31K<0.01%new13F-HRTimeline
MassMutual Private Wealth & Trust, FSB195$3.25K<0.01%+8813F-HRTimeline
Bayforest Capital Ltd194$3.23K<0.01%new13F-HRTimeline
Parallel Advisors, LLC168$2.8K<0.01%+813F-HRTimeline
Caitong International Asset Management …137$2.28K<0.01%-1,36413F-HR/ATimeline
Johnson Financial Group, Inc.in group Johnson Financial Group, Inc.136$2.27K<0.01%013F-HRTimelineGroup
AMERIFLEX GROUP, INC.125$2.08K<0.01%-12513F-HRTimeline
BARTLETT & CO. WEALTH MANAGEMENT LLC100$1.67K<0.01%013F-HRTimeline
Federation des caisses Desjardins du Qu…100$1.67K<0.01%new13F-HRTimeline
Torren Management, LLC98$1.63K<0.01%13F-HRTimeline
FARMERS & MERCHANTS INVESTMENTS INCin group FARMERS & MERCHANTS INVESTMEN…95$1.58K<0.01%013F-HRTimelineGroup
Parkside Financial Bank & Trust94$1.57K<0.01%013F-HRTimeline
ORG Partners LLC90$1.5K<0.01%new13F-HRTimeline
True Wealth Design, LLC81$1.35K<0.01%013F-HRTimeline
Physician Wealth Advisors, Inc.80$1.33K<0.01%013F-HRTimeline
AdvisorNet Financial, Inc66$1.1K<0.01%013F-HRTimeline
ASSETMARK, INCin group ASSETMARK, INC58$966<0.01%new13F-HRTimelineGroup
Manchester Capital Management LLC41$683<0.01%new13F-HRTimeline
Essential Partners LLC39$649<0.01%+3213F-HRTimeline
HUNTINGTON NATIONAL BANKin group HUNTINGTON NATIONAL BANK37$616<0.01%-2213F-HRTimelineGroup
NewEdge Advisors, LLC37$616<0.01%013F-HRTimeline
CIBC Private Wealth Group LLCin group CIBC Bancorp USA Inc.32$533<0.01%+2813F-HRTimelineGroup
Bare Financial Services, Inc29$483<0.01%013F-HRTimeline
Godfrey Financial Associates, Inc.28$466<0.01%13F-HRTimeline
Ankerstar Wealth, LLC18$300<0.01%13F-HRTimeline
Signature Equity Partners, LLC16$266<0.01%13F-HRTimeline
Keating Financial Advisory Services, In…14$233<0.01%13F-HRTimeline
Abound Wealth Management10$167<0.01%013F-HRTimeline
TD PRIVATE CLIENT WEALTH LLC8$133<0.01%new13F-HRTimeline
FLAGSHIP HARBOR ADVISORS, LLC6$100<0.01%new13F-HRTimeline
GILPIN WEALTH MANAGEMENT, LLC6$100<0.01%13F-HRTimeline
IFP Advisors, Inc5$83<0.01%013F-HRTimeline
Dunhill Financial, LLC2$27<0.01%new13F-HRTimeline
ROTHSCHILD INVESTMENT LLC1$17<0.01%new13F-HRTimeline
SJS Investment Consulting Inc.1$17<0.01%new13F-HRTimeline