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Filers›Family Office›Shannon River Fund Management LLC
DOSSIER · 13F-HR · Q1 2026

Shannon River Fund Management LLC

Shannon River Fund's family office based in Omaha, NE — $524M in tracked AUM across 28 positions as of Q1 2026.

SR
Shannon River Fund·Omaha, NE·Family Office
CIK 0001301050 · last filed Mar 31, 2026
Total AUM
$524M
▼ 11.5%
vs prior
Holdings
28
—
positions
Whale Score
68
68
tracked
Activity
—
no data
changes this Q
Top sector
Tech
25% weight
concentration
AI Analysis · Q1 2026 · Q1 2026

Shannon River Fund Management LLC filed its latest 13F-HR for Q1 2026. See the latest holdings and position changes below.

Quarter at a glance — Q1 2026

Position-change comparison pending.

No quarter-over-quarter changes available.

Top 10 holdings

By portfolio weight as of Q1 2026.

#HoldingValueSharesWeight
01
M87915274
TOWER SEMICONDUCTOR LTD
$88M504K16.9%
02
MRVL
MARVELL TECHNOLOGY INC
$56M564K10.7%
03
LYV
LIVE NATION ENTERTAINMENT IN
$45M294K8.6%
04
ABNB
AIRBNB INC
$31M247K6.0%
05
RMBS
RAMBUS INC DEL
$29M334K5.5%
06
COHR
COHERENT CORP
$21M88K4.0%
07
Y2573F102
FLEXTRONICS INTL LTD
$20M311K3.9%
08
AXON
AXON ENTERPRISE INC
$20M47K3.8%
09
EXTR
EXTREME NETWORKS
$20M1.3M3.8%
10
TOST
TOAST INC
$19M732K3.7%

Filing history

Filing history loading…
AI Agent · grounded in Shannon
haiku-4-5 · 28 positions indexed
Sector mix
  • Tech25%
  • Financials9%
  • Health Care9%
  • Cons. Disc.15%
  • Communications4%
  • Other38%
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