Filed: 8/13/2026ACC: 0001013594-26-000886
📋 What this filing means
SHANNON RIVER FUND MANAGEMENT LLC filed this quarterly 13F‑HR report disclosing 37 equity positions with a total reported market value of $1.12B. This filing provides a transparent view of the manager's long equity holdings as of the quarter end.
37
Positions
$1.12B
Total AUM (reported)
13.34M
Total Shares
Allocation by class
COM$631.45M56.4%
CL A$100.91M9.0%
SHS NEW$99.81M8.9%
COM NEW$97.83M8.7%
ORD$61.56M5.5%
CL A COM$44.15M3.9%
COM CL A$35.47M3.2%
Portfolio Concentration
Top 3$222.80M19.9%
4–10$333.27M29.7%
11–25$446.95M39.9%
Rest$117.38M10.5%
Top 3 weight
19.9%
Top 10 weight
49.6%
Voting Authority Distribution
Total shares with voting rights: 13.34M
Sole
Full voting authority
10.92M
shares
% of voting shares81.8%
Shared
Joint voting authority
0.00
shares
% of voting shares0.0%
None
No voting authority
2.43M
shares
% of voting shares18.2%
Investment Discretion (by position count)
Sole37
Shared0
Other0
Dominant voting typeSole · 81.8% of voting shares
Institutional Holdings37
Rows:
TOWER SEMICONDUCTOR LTD
SOLEShares382.93K
TypeSH
Market value$99.81M
8.91%
Sole
372.58K
Shared
0.00
None
10.35K
FLEX LTD
SOLEShares379.83K
TypeSH
Market value$61.56M
5.49%
Sole
307.62K
Shared
0.00
None
72.22K
ADVANCED MICRO DEVICES INC
SOLEShares105.75K
TypeSH
Market value$61.43M
5.48%
Sole
86.35K
Shared
0.00
None
19.40K
INTERDIGITAL INC
SOLEShares184.39K
TypeSH
Market value$52.21M
4.66%
Sole
178.24K
Shared
0.00
None
6.14K
CELESTICA INC
SOLEShares139.96K
TypeSH
Market value$51.06M
4.56%
Sole
113.35K
Shared
0.00
None
26.61K
COHERENT CORP
SOLEShares129.28K
TypeSH
Market value$51.00M
4.55%
Sole
104.34K
Shared
0.00
None
24.94K
HINGE HEALTH INC
SOLEShares561.22K
TypeSH
Market value$46.58M
4.16%
Sole
455.30K
Shared
0.00
None
105.93K
EXTREME NETWORKS INC
SOLEShares1.42M
TypeSH
Market value$46.10M
4.11%
Sole
1.17M
Shared
0.00
None
252.62K
KULICKE & SOFFA INDS INC
SOLEShares334.78K
TypeSH
Market value$44.78M
4.00%
Sole
270.31K
Shared
0.00
None
64.47K
TWILIO INC
SOLEShares201.35K
TypeSH
Market value$41.54M
3.71%
Sole
165.01K
Shared
0.00
None
36.34K
CIENA CORP
SOLEShares81.30K
TypeSH
Market value$39.88M
3.56%
Sole
65.38K
Shared
0.00
None
15.92K
LIVE NATION ENTERTAINMENT IN
SOLEShares216.04K
TypeSH
Market value$39.56M
3.53%
Sole
176.04K
Shared
0.00
None
40K
RAMBUS INC DEL
SOLEShares291.71K
TypeSH
Market value$38.72M
3.46%
Sole
237.54K
Shared
0.00
None
54.17K
QUANTINUUM INC
SOLEShares469.36K
TypeSH
Market value$38.37M
3.42%
Sole
381.41K
Shared
0.00
None
87.94K
UNIVERSAL TECHNICAL INST INC
SOLEShares890.11K
TypeSH
Market value$38.07M
3.40%
Sole
721.92K
Shared
0.00
None
168.19K
AIRBNB INC
SOLEShares247.84K
TypeSH
Market value$35.47M
3.17%
Sole
200.34K
Shared
0.00
None
47.49K
TAKE-TWO INTERACTIVE SOFTWAR
SOLEShares138.03K
TypeSH
Market value$34.50M
3.08%
Sole
110.42K
Shared
0.00
None
27.61K
OUSTER INC
SOLEShares449.26K
TypeSH
Market value$28.09M
2.51%
Sole
365K
Shared
0.00
None
84.26K
PDF SOLUTIONS INC
SOLEShares369.78K
TypeSH
Market value$26.18M
2.34%
Sole
297.74K
Shared
0.00
None
72.04K
NOKIA CORP
SOLEShares1.91M
TypeSH
Market value$25.32M
2.26%
Sole
1.54M
Shared
0.00
None
366.51K
ALLIENT INC
SOLEShares220.24K
TypeSH
Market value$22.67M
2.02%
Sole
181.20K
Shared
0.00
None
39.04K
ROCKET LAB CORP
SOLEShares221.14K
TypeSH
Market value$22.48M
2.01%
Sole
179.02K
Shared
0.00
None
42.12K
F5 INC
SOLEShares51.26K
TypeSH
Market value$21.32M
1.90%
Sole
41.46K
Shared
0.00
None
9.80K
DYCOM INDS INC
SOLEShares39.47K
TypeSH
Market value$19.96M
1.78%
Sole
31.86K
Shared
0.00
None
7.61K
CIPHER DIGITAL INC
SOLEShares667.93K
TypeSH
Market value$16.36M
1.46%
Sole
540.56K
Shared
0.00
None
127.37K
| Issuer | Class | Shares | Type | Value / Portfolio % | Voting — Sole | Shared | None |
|---|---|---|---|---|---|---|---|
TOWER SEMICONDUCTOR LTDSOLE | SHS NEW | 382.93K | SH | $99.81M 8.91% | 372.58K | 0.00 | 10.35K |
FLEX LTDSOLE | ORD | 379.83K | SH | $61.56M 5.49% | 307.62K | 0.00 | 72.22K |
ADVANCED MICRO DEVICES INCSOLE | COM | 105.75K | SH | $61.43M 5.48% | 86.35K | 0.00 | 19.40K |
INTERDIGITAL INCSOLE | COM | 184.39K | SH | $52.21M 4.66% | 178.24K | 0.00 | 6.14K |
CELESTICA INCSOLE | COM | 139.96K | SH | $51.06M 4.56% | 113.35K | 0.00 | 26.61K |
COHERENT CORPSOLE | COM | 129.28K | SH | $51.00M 4.55% | 104.34K | 0.00 | 24.94K |
HINGE HEALTH INCSOLE | CL A | 561.22K | SH | $46.58M 4.16% | 455.30K | 0.00 | 105.93K |
EXTREME NETWORKS INCSOLE | COM | 1.42M | SH | $46.10M 4.11% | 1.17M | 0.00 | 252.62K |
KULICKE & SOFFA INDS INCSOLE | COM | 334.78K | SH | $44.78M 4.00% | 270.31K | 0.00 | 64.47K |
TWILIO INCSOLE | CL A | 201.35K | SH | $41.54M 3.71% | 165.01K | 0.00 | 36.34K |
CIENA CORPSOLE | COM NEW | 81.30K | SH | $39.88M 3.56% | 65.38K | 0.00 | 15.92K |
LIVE NATION ENTERTAINMENT INSOLE | COM | 216.04K | SH | $39.56M 3.53% | 176.04K | 0.00 | 40K |
RAMBUS INC DELSOLE | COM | 291.71K | SH | $38.72M 3.46% | 237.54K | 0.00 | 54.17K |
QUANTINUUM INCSOLE | CL A COM | 469.36K | SH | $38.37M 3.42% | 381.41K | 0.00 | 87.94K |
UNIVERSAL TECHNICAL INST INCSOLE | COM | 890.11K | SH | $38.07M 3.40% | 721.92K | 0.00 | 168.19K |
AIRBNB INCSOLE | COM CL A | 247.84K | SH | $35.47M 3.17% | 200.34K | 0.00 | 47.49K |
TAKE-TWO INTERACTIVE SOFTWARSOLE | COM | 138.03K | SH | $34.50M 3.08% | 110.42K | 0.00 | 27.61K |
OUSTER INCSOLE | COM NEW | 449.26K | SH | $28.09M 2.51% | 365K | 0.00 | 84.26K |
PDF SOLUTIONS INCSOLE | COM | 369.78K | SH | $26.18M 2.34% | 297.74K | 0.00 | 72.04K |
NOKIA CORPSOLE | SPONSORED ADR | 1.91M | SH | $25.32M 2.26% | 1.54M | 0.00 | 366.51K |
ALLIENT INCSOLE | COM | 220.24K | SH | $22.67M 2.02% | 181.20K | 0.00 | 39.04K |
ROCKET LAB CORPSOLE | COM | 221.14K | SH | $22.48M 2.01% | 179.02K | 0.00 | 42.12K |
F5 INCSOLE | COM | 51.26K | SH | $21.32M 1.90% | 41.46K | 0.00 | 9.80K |
DYCOM INDS INCSOLE | COM NEW | 39.47K | SH | $19.96M 1.78% | 31.86K | 0.00 | 7.61K |
CIPHER DIGITAL INCSOLE | COM | 667.93K | SH | $16.36M 1.46% | 540.56K | 0.00 | 127.37K |
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