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 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

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

PCMI

Paradigm Capital Management Inc Albany, New York $2.61B AUM 78.58% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

Arrowstreet Capital Boston, Massachusetts $185B AUM 39.58% 1-Year Est. Return

Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return

Trigran Investments Northbrook, Illinois $418M AUM 3.34% 1-Year Est. Return

CenterBook Partners's EXTR Position: Q1 2026 in Review

CenterBook Partners reduced its Extreme Networks (EXTR) stake by 72% in Q1 2026, selling an estimated $4.58M and leaving 119,236 shares worth $1.8M. The position accounts for 0.1% of the portfolio, ranked #253.

CenterBook Partners first reported a position in EXTR in Q1 2025 and has held it in 5 quarters since. The position peaked at $7.1M in Q4 2025. 301 funds tracked by Wall St. Rank hold EXTR as of Q1 2026.

CenterBook Partners held 119,236 shares of Extreme Networks worth $1.8M as of Q1 2026.
CenterBook Partners sold 307,158 Extreme Networks shares in Q1 2026, an estimated $4.58M.
Extreme Networks made up 0.1% of CenterBook Partners's portfolio in Q1 2026, its #253 holding.
CenterBook Partners first reported a position in Extreme Networks in Q1 2025 and has held it in 5 quarters since.
CenterBook Partners's Extreme Networks position peaked at $7.1M in Q4 2025.
301 funds tracked by Wall St. Rank held Extreme Networks as of Q1 2026.

Based on CenterBook Partners's 13F filing for Q1 2026, filed 5 May 2026.