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Which hedge funds own EXTR? EXTREME NETWORKS, Q2 2026 13F holders

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41 tracked hedge funds disclosed a position in EXTR (EXTREME NETWORKS) in their Q2 2026 13F filings, worth $494.4m in total. The largest holder by portfolio weight is Circumference Group LLC at 15.8% of its book. 10 opened a new position this quarter: Numerai GP LLC, Edgestream Partners, L.P., Aristides Capital LLC, Quantbot Technologies LP. 12 exited: Polar Asset Management Partners Inc., Diametric Capital, LP, Alyeska Investment Group, L.P..

41
Holders
Tracked managers whose filing for the quarter reports a long equity position in the security.
10
New this quarter
Holders whose previous filing (at most two quarters earlier) did not report the security.
12
Exited this quarter
Tracked managers whose previous filing reported the security and whose filing for the quarter does not.
$15.9m
Inflow, new holders
Combined value of the positions the new holders reported for the quarter.
$53.8m
Outflow, exits
Combined value the exiting managers reported for the security in their previous filing.
$494m
Combined value
Sum of the holders' reported positions in the security.
3.3%
Share of managers holding
Holders as a share of tracked managers filing for that quarter. Comparable across the 2024 coverage expansion, where the raw holder count is not.

Holders, Q2 2026

41 rows
Circumference Group LLC Hedge fund15.8%$7.3m225,100−37%reduced
Trigran Investments, Inc. Hedge fund8.9%$48.8m1.51m−47%reduced
Shannon River Fund Management LLC Hedge fund4.1%$46.1m1.42m+8.5%added
Cooper Creek Partners Management LLC Hedge fund0.9%$22.3m690,092−18%reduced
Numerai GP LLC Hedge fund0.3%$4.1m127,025–new
Sirios Capital Management L P Hedge fund0.3%$2.1m65,158−64%reduced
Hillsdale Investment Management Inc. Hedge fund0.2%$11.0m338,840+9.8%added
Edgestream Partners, L.P. Hedge fund0.2%$6.7m206,889–new
CenterBook Partners LP Hedge fund0.2%$3.3m101,937−15%reduced
Renaissance Technologies LLC Hedge fund0.08%$60.3m1.86m−10%reduced
Bayforest Capital Ltd Hedge fund0.07%$76.6k2,366−72%reduced
Engineers Gate Manager LP Hedge fund0.07%$5.3m164,025−68%reduced
Mirabella Financial Services LLP Hedge fund0.06%$648k20,028+16%added
Aristides Capital LLC Hedge fund0.06%$226k6,972–new
Trexquant Investment LP Hedge fund0.05%$8.3m255,114−63%reduced
Arrowstreet Capital, Limited Partnership Hedge fund0.05%$109m3.36m+3.4%added
Brevan Howard Capital Management LP Hedge fund0.04%$2.9m90,586−36%reduced
Capital Fund Management S.A. Hedge fund0.03%$4.8m148,693+120%added
Quantbot Technologies LP Hedge fund0.03%$824k25,468–new
FORA Capital, LLC Hedge fund0.03%$462k14,290–new
Tudor Investment Corp ET AL Hedge fund0.03%$7.7m236,679−25%reduced
Aquatic Capital Management LLC Hedge fund0.03%$902k27,879−55%reduced
Caxton Associates LLP Hedge fund0.03%$1.5m46,848–new
Millennium Management LLC Hedge fund0.02%$33.3m1.03m+547%added
Boothbay Fund Management, LLC Hedge fund0.02%$1.2m36,752–new
Mangrove Partners IM, LLC Hedge fund0.02%$308k9,518–new
Two Sigma Investments, LP Hedge fund0.02%$26.3m812,553+115%added
D. E. Shaw & Co., Inc. Hedge fund0.02%$30.4m938,182−36%reduced
Prelude Capital Management, LLC Hedge fund0.02%$214k6,611−66%reduced
Marshall Wace, LLP Hedge fund0.01%$11.8m365,422+30%added
Citadel Advisors LLC Hedge fund0.01%$17.3m534,750+6.3%added
Freestone Grove Partners LP Hedge fund0.01%$1.4m43,058−37%reduced
Bridgewater Associates, LP Hedge fund0.01%$1.8m55,342+184%added
Y-Intercept (Hong Kong) Ltd Hedge fund0.01%$355k10,965−75%reduced
AQR Capital Management LLC Hedge fund0.0%$13.8m426,041+51%added
Magnetar Financial LLC Hedge fund0.0%$504k15,579−80%reduced
Maverick Capital Ltd Hedge fund0.0%$466k14,383–new
Elequin Capital, LP Hedge fund0.0%$52.2k1,613–new
Walleye Capital LLC Hedge fund0.0%$342k10,575−83%reduced
Holocene Advisors, LP Hedge fund0.0%$505k15,610−78%reduced
Quarry LP Hedge fund0.0%$1.5k45−35%reduced