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 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

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return

PCMI

Paradigm Capital Management Inc Albany, New York $3.67B AUM 121.12% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Arrowstreet Capital Boston, Massachusetts $225B AUM 49.49% 1-Year Est. Return

Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return

CenterBook Partners's EXTR Position: Q2 2026 in Review

CenterBook Partners reduced its Extreme Networks (EXTR) stake by 15% in Q2 2026, selling an estimated $417K and leaving 101,937 shares worth $3.3M. The position accounts for 0.16% of the portfolio, ranked #150.

CenterBook Partners first reported a position in EXTR in Q1 2025 and has held it in 6 quarters since. The position peaked at $7.1M in Q4 2025. 342 funds tracked by Wall St. Rank hold EXTR as of Q2 2026.

CenterBook Partners held 101,937 shares of Extreme Networks worth $3.3M as of Q2 2026.
CenterBook Partners sold 17,299 Extreme Networks shares in Q2 2026, an estimated $417K.
Extreme Networks made up 0.16% of CenterBook Partners's portfolio in Q2 2026, its #150 holding.
CenterBook Partners first reported a position in Extreme Networks in Q1 2025 and has held it in 6 quarters since.
CenterBook Partners's Extreme Networks position peaked at $7.1M in Q4 2025.
342 funds tracked by Wall St. Rank held Extreme Networks as of Q2 2026.

Based on CenterBook Partners's 13F filing for Q2 2026, filed 11 Aug 2026.