Filed: 11/13/2025ACC: 0001013594-25-001398
📋 What this filing means
SHANNON RIVER FUND MANAGEMENT LLC filed this quarterly 13F‑HR report disclosing 20 equity positions with a total reported market value of $621.17M. This filing provides a transparent view of the manager's long equity holdings as of the quarter end.
20
Positions
$621.17M
Total AUM (reported)
10.37M
Total Shares
Allocation by class
COM$363.06M58.4%
SHS NEW$69.56M11.2%
SHS$58.63M9.4%
ORD$49.24M7.9%
ORD SHS$40.89M6.6%
CL A$22.63M3.6%
ORDINARY SHARES$12.61M2.0%
Portfolio Concentration
Top 3$210.85M33.9%
4–10$291.42M46.9%
11–25$118.90M19.1%
Top 3 weight
33.9%
Top 10 weight
80.9%
Voting Authority Distribution
Total shares with voting rights: 10.37M
Sole
Full voting authority
9.22M
shares
% of voting shares88.9%
Shared
Joint voting authority
0.00
shares
% of voting shares0.0%
None
No voting authority
1.15M
shares
% of voting shares11.1%
Investment Discretion (by position count)
Sole20
Shared0
Other0
Dominant voting typeSole · 88.9% of voting shares
Institutional Holdings20
Rows:
PEGASYSTEMS INC
SOLEShares1.38M
TypeSH
Market value$79.59M
12.81%
Sole
1.22M
Shared
0.00
None
160.74K
TOWER SEMICONDUCTOR LTD
SOLEShares962.06K
TypeSH
Market value$69.56M
11.20%
Sole
937.98K
Shared
0.00
None
24.09K
INTERDIGITAL INC
SOLEShares178.72K
TypeSH
Market value$61.70M
9.93%
Sole
174.34K
Shared
0.00
None
4.38K
WIX.COM LTD
SOLEShares330.08K
TypeSH
Market value$58.63M
9.44%
Sole
273.32K
Shared
0.00
None
56.77K
FLEX LTD
SOLEShares849.42K
TypeSH
Market value$49.24M
7.93%
Sole
708.75K
Shared
0.00
None
140.66K
NCINO INC
SOLEShares1.58M
TypeSH
Market value$42.80M
6.89%
Sole
1.39M
Shared
0.00
None
185.06K
JFROG LTD
SOLEShares863.92K
TypeSH
Market value$40.89M
6.58%
Sole
713.53K
Shared
0.00
None
150.40K
MARVELL TECHNOLOGY INC
SOLEShares423.64K
TypeSH
Market value$35.62M
5.73%
Sole
371.07K
Shared
0.00
None
52.58K
FORMFACTOR INC
SOLEShares968.16K
TypeSH
Market value$35.26M
5.68%
Sole
851.14K
Shared
0.00
None
117.02K
GUIDEWIRE SOFTWARE INC
SOLEShares126.06K
TypeSH
Market value$28.98M
4.66%
Sole
110.91K
Shared
0.00
None
15.14K
CLEAN HARBORS INC
SOLEShares115.87K
TypeSH
Market value$26.91M
4.33%
Sole
101.69K
Shared
0.00
None
14.18K
DOCUSIGN INC
SOLEShares283.51K
TypeSH
Market value$20.44M
3.29%
Sole
249.04K
Shared
0.00
None
34.48K
CREDO TECHNOLOGY GROUP HOLDI
SOLEShares86.57K
TypeSH
Market value$12.61M
2.03%
Sole
76.37K
Shared
0.00
None
10.19K
STRIDE INC
SOLEShares82.93K
TypeSH
Market value$12.35M
1.99%
Sole
73.02K
Shared
0.00
None
9.90K
CLEARWATER ANALYTICS HLDGS I
SOLEShares677.69K
TypeSH
Market value$12.21M
1.97%
Sole
658.52K
Shared
0.00
None
19.17K
PALANTIR TECHNOLOGIES INC
SOLEShares57.11K
TypeSH
Market value$10.42M
1.68%
Sole
49.30K
Shared
0.00
None
7.82K
CCC INTELLIGENT SOLUTIONS HL
SOLEShares1.08M
TypeSH
Market value$9.80M
1.58%
Sole
941.66K
Shared
0.00
None
133.89K
COHERENT CORP
SOLEShares89.26K
TypeSH
Market value$9.61M
1.55%
Sole
78.18K
Shared
0.00
None
11.07K
TAIWAN SEMICONDUCTOR MFG LTD
SOLEShares8.70K
TypeSH
Market value$2.43M
0.39%
Sole
8.70K
Shared
0.00
None
0.00
BACKBLAZE INC
SOLEShares229.38K
TypeSH
Market value$2.13M
0.34%
Sole
229.38K
Shared
0.00
None
0.00
| Issuer | Class | Shares | Type | Value / Portfolio % | Voting — Sole | Shared | None |
|---|---|---|---|---|---|---|---|
PEGASYSTEMS INCSOLE | COM | 1.38M | SH | $79.59M 12.81% | 1.22M | 0.00 | 160.74K |
TOWER SEMICONDUCTOR LTDSOLE | SHS NEW | 962.06K | SH | $69.56M 11.20% | 937.98K | 0.00 | 24.09K |
INTERDIGITAL INCSOLE | COM | 178.72K | SH | $61.70M 9.93% | 174.34K | 0.00 | 4.38K |
WIX.COM LTDSOLE | SHS | 330.08K | SH | $58.63M 9.44% | 273.32K | 0.00 | 56.77K |
FLEX LTDSOLE | ORD | 849.42K | SH | $49.24M 7.93% | 708.75K | 0.00 | 140.66K |
NCINO INCSOLE | COM | 1.58M | SH | $42.80M 6.89% | 1.39M | 0.00 | 185.06K |
JFROG LTDSOLE | ORD SHS | 863.92K | SH | $40.89M 6.58% | 713.53K | 0.00 | 150.40K |
MARVELL TECHNOLOGY INCSOLE | COM | 423.64K | SH | $35.62M 5.73% | 371.07K | 0.00 | 52.58K |
FORMFACTOR INCSOLE | COM | 968.16K | SH | $35.26M 5.68% | 851.14K | 0.00 | 117.02K |
GUIDEWIRE SOFTWARE INCSOLE | COM | 126.06K | SH | $28.98M 4.66% | 110.91K | 0.00 | 15.14K |
CLEAN HARBORS INCSOLE | COM | 115.87K | SH | $26.91M 4.33% | 101.69K | 0.00 | 14.18K |
DOCUSIGN INCSOLE | COM | 283.51K | SH | $20.44M 3.29% | 249.04K | 0.00 | 34.48K |
CREDO TECHNOLOGY GROUP HOLDISOLE | ORDINARY SHARES | 86.57K | SH | $12.61M 2.03% | 76.37K | 0.00 | 10.19K |
STRIDE INCSOLE | COM | 82.93K | SH | $12.35M 1.99% | 73.02K | 0.00 | 9.90K |
CLEARWATER ANALYTICS HLDGS ISOLE | CL A | 677.69K | SH | $12.21M 1.97% | 658.52K | 0.00 | 19.17K |
PALANTIR TECHNOLOGIES INCSOLE | CL A | 57.11K | SH | $10.42M 1.68% | 49.30K | 0.00 | 7.82K |
CCC INTELLIGENT SOLUTIONS HLSOLE | COM | 1.08M | SH | $9.80M 1.58% | 941.66K | 0.00 | 133.89K |
COHERENT CORPSOLE | COM | 89.26K | SH | $9.61M 1.55% | 78.18K | 0.00 | 11.07K |
TAIWAN SEMICONDUCTOR MFG LTDSOLE | SPONSORED ADS | 8.70K | SH | $2.43M 0.39% | 8.70K | 0.00 | 0.00 |
BACKBLAZE INCSOLE | COM CL A | 229.38K | SH | $2.13M 0.34% | 229.38K | 0.00 | 0.00 |