Shannon River Fund Management’s Extreme Networks EXTR Stock Holding History

Shannon River Fund Management’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	$46.1M	Buy	1,424,095 +111,034	+8%	+$2.68M	4.11%	8
2026 Q1	$19.8M	Sell	1,313,061 -591,467	-31%	-$8.83M	3.78%	9
2025 Q4	$31.7M	Buy	+1,904,528	New	+$35M	4.97%	6
2013 Q3	–	Sell	-2,233,600	Closed	-$7.68M	–	60
2013 Q2	$7.68M	Buy	+2,233,600	New	+$7.45M	0.92%	40

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

Shannon River Fund Management's EXTR Position: Q2 2026 in Review

Shannon River Fund Management increased its Extreme Networks (EXTR) stake by 8.5% in Q2 2026, buying an estimated $2.68M and bringing the position to 1,424,095 shares worth $46.1M. The position accounts for 4.11% of the portfolio, ranked #8.

Shannon River Fund Management first reported a position in EXTR in Q2 2013 and has held it in 4 quarters since. 342 funds tracked by Wall St. Rank hold EXTR as of Q2 2026.

Shannon River Fund Management held 1,424,095 shares of Extreme Networks worth $46.1M as of Q2 2026.
Shannon River Fund Management bought 111,034 Extreme Networks shares in Q2 2026, an estimated $2.68M.
Extreme Networks made up 4.11% of Shannon River Fund Management's portfolio in Q2 2026, its #8 holding.
Shannon River Fund Management first reported a position in Extreme Networks in Q2 2013 and has held it in 4 quarters since.
342 funds tracked by Wall St. Rank held Extreme Networks as of Q2 2026.

Based on Shannon River Fund Management's 13F filing for Q2 2026, filed 13 Aug 2026.