CenterBook Partners’s Extreme Networks EXTR Stock Holding History

CenterBook Partners’s Portfolio EXTR Stock Details EXTR Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q3	$4.28M	Buy	199,728 +97,791	+96%	+$2.51M	0.2%	129
2026 Q2	$3.3M	Sell	101,937 -17,299	-15%	-$417K	0.16%	150
2026 Q1	$1.8M	Sell	119,236 -307,158	-72%	-$4.58M	0.1%	253
2025 Q4	$7.1M	Buy	426,394 +313,595	+278%	+$5.76M	0.35%	74
2025 Q3	$2.33M	Sell	112,799 -111,232	-50%	-$2.21M	0.12%	243
2025 Q2	$4.02M	Buy	224,031 +164,975	+279%	+$2.43M	0.22%	121
2025 Q1	$781K	Buy	+59,056	New	+$925K	0.05%	353

Other funds holding EXTR

Principal Financial Group Des Moines, Iowa $195B AUM 21.17% 1-Year Est. Return

Lyell Wealth Management Menlo Park, California $1.69B AUM 33.03% 1-Year Est. Return

Mirador Capital Partners Pleasanton, California $859M AUM 41.74% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $551B AUM 33.95% 1-Year Est. Return

Y-Intercept (HK) Hong Kong $4.52B AUM 6.6% 1-Year Est. Return

Mackenzie Financial Toronto Ontario, Ontario, Canada $91.6B AUM 30% 1-Year Est. Return

SEB Asset Management Stockholm $27B AUM

Capital Advantage Walnut Creek, California $834M AUM 15.6% 1-Year Est. Return

D.A. Davidson & Co Great Falls, Montana $18.6B AUM 17.65% 1-Year Est. Return

Torrey Growth & Income Advisors Del Mar, California $297M AUM 36.15% 1-Year Est. Return

CenterBook Partners's EXTR Position: Q3 2026 in Review

CenterBook Partners increased its Extreme Networks (EXTR) stake by 96% in Q3 2026, buying an estimated $2.51M and bringing the position to 199,728 shares worth $4.28M. The position accounts for 0.2% of the portfolio, ranked #129.

CenterBook Partners first reported a position in EXTR in Q1 2025 and has held it in 7 quarters since. The position peaked at $7.1M in Q4 2025. 96 funds tracked by Wall St. Rank hold EXTR as of Q3 2026.

CenterBook Partners held 199,728 shares of Extreme Networks worth $4.28M as of Q3 2026.
CenterBook Partners bought 97,791 Extreme Networks shares in Q3 2026, an estimated $2.51M.
Extreme Networks made up 0.2% of CenterBook Partners's portfolio in Q3 2026, its #129 holding.
CenterBook Partners first reported a position in Extreme Networks in Q1 2025 and has held it in 7 quarters since.
CenterBook Partners's Extreme Networks position peaked at $7.1M in Q4 2025.
96 funds tracked by Wall St. Rank held Extreme Networks as of Q3 2026.

Based on CenterBook Partners's 13F filing for Q3 2026, filed 2 Nov 2026.