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Equibles

EXTR

Extreme Networks Inc

Company with tickers: EXTR

CIK
1078271
CUSIP
30226D106
Shares Outstanding
130,778,088
13F Activity (30d)
217 filings 213 filers

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 300
Total Value: $1,917,824,951
Total Shares: 127,176,734
Showing 1–100 of 307 holdings by value · page 1 of 4

Institutional Ownership Trend

25 quarters

Holder Concentration

Across 300 13F filers · Δ vs Dec 31, 2025
Top Holder
15.9%
Jun 2023 → Mar 2026 · range 14.6% – 16.2%
+0.6 pts
Top 5
40.3%
Jun 2023 → Mar 2026 · range 36.6% – 43.6%
−1.4 pts
Top 10
52.8%
Jun 2023 → Mar 2026 · range 48.6% – 56.0%
−0.7 pts
HHI
503
Jun 2023 → Mar 2026 · range 443 – 596
Broadly held −65

Quarterly Activity

vs Dec 31, 2025
New
47
Increased
126
Decreased
86
Sold Out
57
Unchanged
41
Holder count: -10
Institutional value: -9.9%
Shares held: -0.5%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds Open
Mega STATE STREET CORP +785,376 6,449,869
Mega BlackRock, Inc. +732,221 20,189,882
Large ACADIAN ASSET MANAGEMENT LLC +661,352 999,520
Small Trigran Investments, Inc. +561,979 2,847,370
Large RENAISSANCE TECHNOLOGIES LLC +510,215 2,076,080

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds Open
Mega VICTORY CAPITAL MANAGEMENT INC −2,369,895 1,689,229
Mega MILLENNIUM MANAGEMENT LLC −1,003,498 159,126
Large NEW YORK STATE COMMON RETIREMENT FUND −606,639 39,165
Small Shannon River Fund Management LLC −591,467 1,313,061
Mega Invesco Ltd. −501,738 666,913

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD) Open
Mega VANGUARD PORTFOLIO MANAGEMENT LLC 13,575,258 $204,714,890
Mega VANGUARD CAPITAL MANAGEMENT LLC 5,781,893 $87,190,946
Mega VANGUARD FIDUCIARY TRUST CO 927,866 $13,992,219
Large SEB Asset Management AB 808,461 $12,191,591
Large GLENMEDE TRUST CO NA 671,676 $10,128,873

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD) Open
Mega VANGUARD GROUP INC 19,112,223 $318,218,510
Large WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC 1,479,635 $24,635,922
Large Jain Global LLC 1,042,686 $17,360,721
Mid Penn Capital Management Company, LLC 981,278 $16,338,278
Mid Skandinaviska Enskilda Banken AB (publ) 390,800 $6,506,820
Filter: New 47 Increased 126 Reduced 86 Sold out 57 Unchanged 41
Showing 100 of 307
All Common Calls Puts
Export CSV
Holder Value (USD) % of 13F Shares Open
Mega BlackRock, Inc. $304,463,413 15.88% 20,189,882
Mega VANGUARD PORTFOLIO MANAGEMENT LLC $204,714,890 10.67% 13,575,258
Mega STATE STREET CORP $97,264,024 5.07% 6,449,869
Mega VANGUARD CAPITAL MANAGEMENT LLC $87,190,946 4.55% 5,781,893
Mid PARADIGM CAPITAL MANAGEMENT INC/NY $78,942,292 4.12% 5,234,900
Mega GEODE CAPITAL MANAGEMENT, LLC $50,143,291 2.61% 3,325,152
Mega FMR LLC $50,125,315 2.61% 3,323,960
Mega ARROWSTREET CAPITAL, LIMITED PARTNERSHIP $48,975,014 2.55% 3,247,680
Mega GOLDMAN SACHS GROUP INC $47,194,533 2.46% 3,129,611
Small Trigran Investments, Inc. $42,938,339 2.24% 2,847,370
Large Alyeska Investment Group, L.P. $42,022,998 2.19% 2,786,671
Large LOOMIS SAYLES & CO L P $40,952,499 2.14% 2,715,683
Large BARROW HANLEY MEWHINNEY & STRAUSS LLC $39,989,369 2.09% 2,651,815
Small SOUTHERNSUN ASSET MANAGEMENT, LLC $34,652,829 1.81% 2,297,933
Large RENAISSANCE TECHNOLOGIES LLC $31,307,286 1.63% 2,076,080
Mega MORGAN STANLEY $27,061,011 1.41% 1,794,497
Mega VICTORY CAPITAL MANAGEMENT INC $25,473,573 1.33% 1,689,229
Mega ALLIANCEBERNSTEIN L.P. $24,165,247 1.26% 1,602,470
Mega Nuveen, LLC $23,773,755 1.24% 1,576,509
Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC $22,540,407 1.18% 1,494,722
Mega D. E. Shaw & Co., Inc. $22,174,355 1.16% 1,470,448
Mega NORTHERN TRUST CORP Bank $21,149,803 1.10% 1,402,507
Small Shannon River Fund Management LLC $19,800,959 1.03% 1,313,061
Large FEDERATED HERMES, INC. $15,899,989 0.83% 1,054,376
Large ACADIAN ASSET MANAGEMENT LLC $15,072,761 0.79% 999,520
Large Impax Asset Management Group plc $14,554,884 0.76% 965,178
Mega VANGUARD FIDUCIARY TRUST CO Bank $13,992,219 0.73% 927,866
Mid COOPER CREEK PARTNERS MANAGEMENT LLC $12,639,724 0.66% 838,178
Mega AMERIPRISE FINANCIAL INC $12,328,337 0.64% 817,529
Large SEB Asset Management AB $12,191,591 0.64% 808,461
Mega BANK OF AMERICA CORP /DE/ Bank $11,416,643 0.60% 757,072
Mega Bank of New York Mellon Corp Bank $11,202,898 0.58% 742,898
Large Public Sector Pension Investment Board Pension $10,953,704 0.57% 726,373
Large Connor, Clark & Lunn Investment Management Ltd. $10,871,247 0.57% 720,905
Large Trexquant Investment LP $10,490,432 0.55% 695,652
Large GLENMEDE TRUST CO NA Bank $10,128,873 0.53% 671,676
Mega Invesco Ltd. $10,057,045 0.52% 666,913
Mega DEUTSCHE BANK AG\ Bank $9,940,327 0.52% 659,173
Mega PRINCIPAL FINANCIAL GROUP INC $9,900,441 0.52% 656,528
Mid Defiance ETFs, LLC Mutual Fund $9,208,948 0.48% 610,673
Mid Penserra Capital Management LLC $9,208,948 0.48% 610,673
Mid LYELL WEALTH MANAGEMENT, LP $8,781,762 0.46% 582,345
Mid OP Asset Management Ltd $8,172,877 0.43% 541,968
Mega RAYMOND JAMES FINANCIAL INC $8,149,306 0.42% 540,405
Mega Clearbridge Investments, LLC $7,692,202 0.40% 510,093
Mid Engineers Gate Manager LP $7,679,399 0.40% 509,244
Mega CITADEL ADVISORS LLC $7,588,873 0.40% 503,241
Mega BNP PARIBAS ARBITRAGE, SA $7,066,427 0.37% 468,596
Large PANAGORA ASSET MANAGEMENT INC $6,984,241 0.36% 463,146
Mid Polar Asset Management Partners Inc. $6,961,365 0.36% 461,629
Small Mirador Capital Partners LP $6,287,093 0.33% 416,916
Large STATE OF WISCONSIN INVESTMENT BOARD $6,256,495 0.33% 414,887
Large Focus Partners Wealth $5,912,430 0.31% 392,071
Mega TWO SIGMA INVESTMENTS, LP $5,687,180 0.30% 377,134
Mega Amundi $5,684,706 0.30% 376,970
Mega RHUMBLINE ADVISERS $5,470,254 0.29% 362,749
Large SEI INVESTMENTS CO $5,441,858 0.28% 360,866
Micro Circumference Group LLC $5,354,908 0.28% 355,100
Mega UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC $5,296,859 0.28% 351,251
Large First Eagle Investment Management, LLC $5,271,062 0.27% 349,540
Large VOYA INVESTMENT MANAGEMENT LLC $5,132,657 0.27% 340,362
Large MACKENZIE FINANCIAL CORP $4,995,687 0.26% 331,279
Mid ALGERT GLOBAL LLC $4,943,269 0.26% 327,803
Mega UBS Group AG $4,902,974 0.26% 325,131
Large TUDOR INVESTMENT CORP ET AL $4,780,224 0.25% 316,991
Mid Hillsdale Investment Management Inc. $4,654,592 0.24% 308,660
Mega Legal & General Group Plc $4,598,675 0.24% 304,952
Large HRT FINANCIAL LP $4,525,990 0.24% 300,132
Mega FRANKLIN RESOURCES INC $4,400,431 0.23% 291,806
Mega JPMORGAN CHASE & CO $4,295,777 0.22% 284,866
Mega AQR CAPITAL MANAGEMENT LLC $4,258,633 0.22% 282,403
Large MARSHALL WACE, LLP $4,252,333 0.22% 281,985
Large Tidal Investments LLC $3,995,762 0.21% 264,971
Large Man Group plc $3,980,049 0.21% 263,929
Mega Swiss National Bank Bank $3,972,072 0.21% 263,400
Micro Capital Advantage, Inc. $3,601,541 0.19% 238,829
Mega BARCLAYS PLC $3,488,923 0.18% 231,361
Small BROOKTREE CAPITAL MANAGEMENT $3,358,135 0.18% 222,688
Mega ROYAL BANK OF CANADA Bank $3,186,192 0.17% 211,286
Small SIRIOS CAPITAL MANAGEMENT L P $2,750,531 0.14% 182,396
Mid INTECH INVESTMENT MANAGEMENT LLC $2,731,138 0.14% 181,110
Small Aurora Investment Counsel $2,576,659 0.13% 170,866
Large CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM Pension $2,450,500 0.13% 162,500
Small IRONWOOD INVESTMENT MANAGEMENT LLC $2,433,338 0.13% 161,362
Mega MILLENNIUM MANAGEMENT LLC $2,399,620 0.13% 159,126
Small ESSEX INVESTMENT MANAGEMENT CO LLC $2,383,122 0.12% 158,032
Mega PRICE T ROWE ASSOCIATES INC /MD/ $2,327,613 0.12% 154,351
Mega AMERICAN CENTURY COMPANIES INC $2,312,849 0.12% 153,372
Mid Brevan Howard Capital Management LP $2,125,480 0.11% 140,947
Small Ballast Asset Management, LP $2,106,193 0.11% 139,668
Large PRUDENTIAL FINANCIAL INC $2,063,517 0.11% 136,838
Mega CANADA PENSION PLAN INVESTMENT BOARD Pension $2,058,420 0.11% 136,500
Mid D.A. DAVIDSON & CO. $2,035,800 0.11% 135,000
Mid CenterBook Partners LP $1,798,078 0.09% 119,236
Large TEACHER RETIREMENT SYSTEM OF TEXAS Pension $1,787,643 0.09% 118,544
Mega CITIGROUP INC $1,731,636 0.09% 114,830
Large CANADA LIFE ASSURANCE Co Insurance $1,647,022 0.09% 109,219
Mega VANGUARD ASSET MANAGEMENT, Ltd $1,646,404 0.09% 109,178
Mid State of Alaska, Department of Revenue $1,569,902 0.08% 104,105
Mid OPPENHEIMER ASSET MANAGEMENT INC. $1,528,569 0.08% 101,364

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