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Disclosery

EXTR EXTREME NETWORKS INC

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COM (common), issuer CIK 1078271

333 managers (343 13F filers) reported a position in EXTR shares at 2026-06-30, 128,520,936 shares in all. 74 filers opened a position and 31 filers sold out during the quarter.

Managers
333
13F filers
343
New
74
Added
105
Reduced
125
Sold out
31
Shares held by filers
128,520,936

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, Q2 2026

Filers in the available 13F reports with a share position at 2026-06-30, 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
MUTUAL OF AMERICA CAPITAL MANAGEMENT LLCin group MUTUAL OF AMERICA CAPITAL MAN…14,979$485K<0.01%-38713F-HRTimelineGroup
MAVERICK CAPITAL LTD14,383$466K<0.01%new13F-HRTimeline
FORA Capital, LLC14,290$462K0.03%new13F-HRTimeline
PUBLIC EMPLOYEES RETIREMENT ASSOCIATION…14,169$459K<0.01%013F-HRTimeline
Regal Investment Advisors LLC14,000$453K0.02%013F-HRTimeline
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.13,857$449K<0.01%-1,89813F-HRTimelineGroup
BANK OF MONTREAL /CAN/in group BANK OF MONTREAL /CAN/13,609$441K<0.01%-17613F-HRTimelineGroup
First Bank & Trust13,191$427K0.06%+30613F-HRTimeline
Investors Towarzystwo Funduszy Inwestyc…13,000$421K0.14%-9,20013F-HRTimeline
XPONANCE LLC12,757$413K<0.01%+16113F-HRTimeline
Vise Technologies, Inc.12,740$412K<0.01%+2,56213F-HRTimeline
CANADA PENSION PLAN INVESTMENT BOARD12,500$405K<0.01%-124,00013F-HRTimeline
MERCER GLOBAL ADVISORS INC /ADV11,804$382K<0.01%new13F-HR/ATimeline
Ameritas Investment Partners, Inc.in group Ameritas Investment Partners,…11,793$382K0.01%+76213F-HRTimelineGroup
GUGGENHEIM CAPITAL LLCin group GUGGENHEIM CAPITAL LLC11,721$379K<0.01%+1,32713F-HRTimelineGroup
Fieldview Capital Management, LLC11,272$365K0.1%new13F-HRTimeline
Y-Intercept (Hong Kong) Ltd10,965$355K0.01%-32,37413F-HRTimeline
PNC Financial Services Group, Inc.in group PNC Financial Services Group,…10,847$351K<0.01%-15413F-HRTimelineGroup
Cerity Partners LLCin group Cerity Partners LLC10,637$344K<0.01%new13F-HRTimelineGroup
Walleye Capital LLCin group Walleye Capital LLC10,575$342K<0.01%-52,14613F-HRTimelineGroup
NATIXIS ADVISORS, LLCin group Natixis Investment Managers10,292$333K<0.01%new13F-HRTimelineGroup
Man Group plcin group Man Group plc10,083$326K<0.01%-253,84613F-HRTimelineGroup
one8zero8, LLC10,000$324K0.06%-2,00013F-HRTimeline
GLOBEFLEX CAPITAL L P9,736$315K0.04%+4,03613F-HRTimeline
Crossmark Global Holdings, Inc.9,584$310K<0.01%new13F-HRTimeline
Gotham Asset Management, LLC9,558$309K<0.01%-1,75013F-HRTimeline
MANGROVE PARTNERS IM, LLC9,518$308K0.02%new13F-HRTimeline
TRUST CO OF TOLEDO NA /OH/9,400$304K0.03%013F-HRTimeline
Byrne Asset Management LLC9,040$293K0.16%-6,05013F-HRTimeline
Sanctuary Advisors, LLC8,788$284K<0.01%new13F-HRTimeline
Allspring Global Investments Holdings, …in group Allspring Global Investments …8,633$271K<0.01%new13F-HRTimelineGroup
VISTA FINANCE, LLC8,213$266K0.15%new13F-HRTimeline
Bienville Capital Management, LLC8,130$263K0.04%new13F-HRTimeline
Rockefeller Capital Management L.P.in group Rockefeller Capital Managemen…7,872$255K<0.01%+51813F-HRTimelineGroup
HENNESSY ADVISORS INC7,745$251K0.01%new13F-HRTimeline
Ensign Peak Advisors, Inc7,557$245K<0.01%013F-HRTimeline
USS Investment Management Ltd7,500$243K<0.01%new13F-HRTimeline
Covenant Asset Management, LLC7,400$240K0.04%new13F-HRTimeline
CIBC Bancorp USA Inc.in group CIBC Bancorp USA Inc.7,330$237K<0.01%new13F-HRTimelineGroup
Advisors Asset Management, Inc.7,218$234K<0.01%+2,61413F-HRTimeline
O'SHAUGHNESSY ASSET MANAGEMENT, LLC7,135$231K<0.01%new13F-HRTimeline
EP Wealth Advisors, LLC7,089$229K<0.01%new13F-HRTimeline
CIBC Asset Management Inc7,065$229K<0.01%new13F-HRTimeline
Aristides Capital LLC6,972$226K0.06%new13F-HRTimeline
PROFUND ADVISORS LLC6,902$223K0.01%new13F-HRTimeline
HSBC HOLDINGS PLCin group HSBC HOLDINGS PLC6,796$221K<0.01%-4,62613F-HRTimelineGroup
STONERIDGE INVESTMENT PARTNERS LLC7,175$216K0.14%new13F-HRTimeline
PRAXIS INVESTMENT MANAGEMENT INC6,621$214K0.01%new13F-HRTimeline
PRELUDE CAPITAL MANAGEMENT, LLC6,611$214K0.02%-12,55713F-HRTimeline
Olympiad Research LP6,558$212K0.44%-4,01413F-HRTimeline
Caitong International Asset Management …5,490$178K0.02%+5,40613F-HRTimeline
GROUP ONE TRADING LLC5,309$172K<0.01%new13F-HRTimeline
KBC Group NVin group KBC Group NV4,878$158K<0.01%013F-HRTimelineGroup
NISA INVESTMENT ADVISORS, LLC4,234$137K<0.01%+1,50213F-HRTimeline
GAMMA Investing LLC4,001$130K<0.01%+46513F-HRTimeline
Allworth Financial LP3,242$105K<0.01%+513F-HRTimeline
Pinnacle Wealth Planning Services, Inc.3,001$97.1K0.01%+61013F-HRTimeline
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…2,897$93.8K<0.01%-7,69713F-HRTimelineGroup
Leonteq Securities AG2,500$80.9K<0.01%new13F-HRTimeline
Bayforest Capital Ltd2,366$76.6K0.07%-6,23513F-HRTimeline
BNP PARIBAS ASSET MANAGEMENT Holding S.…in group BNP PARIBAS ASSET MANAGEMENT …2,325$75.3K<0.01%-1,20813F-HRTimelineGroup
Salomon & Ludwin, LLC2,027$63.7K0.01%-3613F-HRTimeline
JONES FINANCIAL COMPANIES LLLPin group JONES FINANCIAL COMPANIES LLLP1,743$55.3K<0.01%+1,22913F-HRTimelineGroup
Farther Finance Advisors, LLC1,698$54.8K<0.01%+22513F-HRTimeline
Elequin Capital, LP1,613$52.2K<0.01%new13F-HRTimeline
Nykredit A/Sin group Nykredit A/S1,489$48.2K<0.01%13F-HRTimelineGroup
USA FINANCIAL FORMULAS1,458$47.2K0.01%13F-HRTimeline
Versant Capital Management, Inc1,407$45.5K<0.01%013F-HRTimeline
US BANCORP \DE\in group US BANCORP \DE\1,362$44.1K<0.01%+5413F-HRTimelineGroup
Arax Advisory Partners1,095$35.4K<0.01%+1,00613F-HRTimeline
PITTENGER & ANDERSON INC1,000$32.4K<0.01%-3,00013F-HRTimeline
Asset Dedication, LLC1,000$32.4K<0.01%013F-HRTimeline
Truvestments Capital LLC1,000$32.4K<0.01%013F-HRTimeline
SIGNATUREFD, LLC913$29.6K<0.01%+33313F-HRTimeline
Compagnie Lombard Odier SCmA900$29.1K<0.01%013F-HRTimeline
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF O…859$27.8K<0.01%-3213F-HRTimeline
Kemnay Advisory Services Inc.854$27.6K<0.01%+37813F-HRTimeline
Smartleaf Asset Management LLC801$25.6K<0.01%013F-HRTimeline
Integrated Wealth Concepts LLC778$25.2K<0.01%new13F-HRTimeline
BESSEMER GROUP INCin group BESSEMER GROUP INC704$23K<0.01%+30013F-HRTimelineGroup
CoreCap Advisors, LLC697$22.6K<0.01%+16613F-HRTimeline
Parallel Advisors, LLC688$22.3K<0.01%+3713F-HRTimeline
Federation des caisses Desjardins du Qu…623$20.2K<0.01%+32613F-HRTimeline
BARROW HANLEY MEWHINNEY & STRAUSS LLC571$18.5K<0.01%-2,651,24413F-HRTimeline
HANTZ FINANCIAL SERVICES, INC.552$18K<0.01%+13013F-HRTimelineThe filing omitted confidential holdings, a later amendment may add them.
LRI Investments, LLC513$16.6K<0.01%+23813F-HRTimeline
SBI Securities Co., Ltd.502$16.2K<0.01%-1713F-HRTimeline
Global Retirement Partners, LLC459$14.9K<0.01%13F-HRTimeline
Sterling Capital Management LLC456$14.8K<0.01%-41113F-HRTimeline
UMB Bank, n.a.443$14.3K<0.01%-22813F-HRTimelineThe filing omitted confidential holdings, a later amendment may add them.
EverSource Wealth Advisors, LLCin group EverSource Wealth Advisors, L…429$13.9K<0.01%+34613F-HRTimelineGroup
SOA Wealth Advisors, LLC.400$12.9K<0.01%013F-HRTimeline
Elevated Capital Advisors, LLC378$12.2K<0.01%-85313F-HRTimeline
WPG Advisers, LLC374$12.1K0.01%013F-HRTimeline
Covestor Ltd376$12K0.01%-12613F-HRTimeline
Optiver Holding B.V.in group Optiver Holding B.V.358$11.6K<0.01%new13F-HRTimelineGroup
ROTHSCHILD INVESTMENT LLC350$11.3K<0.01%+5913F-HRTimeline
PRIVATE TRUST CO NA250$8.09K<0.01%-18513F-HRTimeline
HARBOUR INVESTMENTS, INC.228$7.38K<0.01%+20313F-HRTimeline
Clearstead Advisors, LLC225$7.29K<0.01%new13F-HRTimeline
Larson Financial Group LLC191$6.18K<0.01%-1,24713F-HRTimeline
Basecamp Wealth Advisors LLC185$5.99K<0.01%+3713F-HRTimeline
Rossby Financial, LCC134$4.34K<0.01%-7313F-HRTimeline
Keating Financial Advisory Services, In…134$4.34K<0.01%+2913F-HRTimeline
AMERIFLEX GROUP, INC.125$4.05K<0.01%013F-HRTimeline
First Pacific Financial123$3.98K<0.01%new13F-HRTimeline
Minot DeBlois Advisors LLC115$3.72K<0.01%new13F-HRTimeline
True Wealth Design, LLC112$3.63K<0.01%+3913F-HRTimeline
MassMutual Private Wealth & Trust, FSB107$3.46K<0.01%013F-HRTimeline
BARTLETT & CO. WEALTH MANAGEMENT LLC100$3.24K<0.01%013F-HRTimeline
FARMERS & MERCHANTS INVESTMENTS INCin group FARMERS & MERCHANTS INVESTMEN…95$3.08K<0.01%013F-HRTimelineGroup
Essential Partners LLC94$3.04K<0.01%+6413F-HRTimeline
Physician Wealth Advisors, Inc.92$2.98K<0.01%+1213F-HRTimeline
JPL Wealth Management, LLC69$2.23K<0.01%013F-HRTimeline
ASSETMARK, INCin group ASSETMARK, INC58$1.88K<0.01%013F-HRTimelineGroup
Plante Moran Financial Advisors, LLC57$1.84K<0.01%new13F-HRTimeline
Torren Management, LLC53$1.72K<0.01%013F-HRTimeline
Quarry LP45$1.46K<0.01%-2413F-HRTimeline
SJS Investment Consulting Inc.43$1.39K<0.01%+2113F-HRTimeline
Manchester Capital Management LLC41$1.33K<0.01%013F-HRTimeline
Investors Portfolio Services LLC38$1.23K<0.01%013F-HRTimeline
HUNTINGTON NATIONAL BANKin group HUNTINGTON NATIONAL BANK37$1.2K<0.01%013F-HRTimelineGroup
Godfrey Financial Associates, Inc.34$1.1K<0.01%013F-HRTimeline
Bruce G. Allen Investments, LLC33$1.07K<0.01%new13F-HRTimeline
ZIONS BANCORPORATION, NATIONAL ASSOCIAT…29$939<0.01%+313F-HRTimeline
Bare Financial Services, Inc29$939<0.01%013F-HRTimeline
Wealth Enhancement Trust Services, Inc.21$680<0.01%new13F-HR/ATimeline
GILPIN WEALTH MANAGEMENT, LLC20$648<0.01%new13F-HRTimeline
Ankerstar Wealth, LLC18$583<0.01%013F-HRTimeline
Davis Capital Management7$227<0.01%new13F-HRTimeline
Mascoma Wealth Management LLC3$97<0.01%new13F-HRTimeline
Dunhill Financial, LLC1$51<0.01%013F-HRTimeline
Evolution Advisers, Inc.14$00%new13F-HRTimelineValue filed as zero, left out of ratios.