Latest Shannon River Fund Management LLC Stock Portfolio
Shannon River Fund Management LLC Performance:
2025 Q4: 3.78%YTD: 17.72%2024: 45.43%
Performance for 2025 Q4 is 3.78%, and YTD is 17.72%, and 2024 is 45.43%.
About Shannon River Fund Management LLC and 13F Hedge Fund Stock Holdings
On 2026-02-17, the fund reported it's updated stock portfolio. In the 13F Holdings report, Shannon River Fund Management LLC reported an equity portfolio of $637.5 Millions as of 31 Dec, 2025.
The top stock holdings of Shannon River Fund Management LLC are TSEM, PEGA, U. The fund has invested 11.1% of it's portfolio in TOWER SEMICONDUCTOR LTD and 9.7% of portfolio in PEGASYSTEMS INC.
The fund managers got completely rid off JFROG LTD (FROG), FORMFACTOR INC (FORM) and CLEAN HARBORS INC (CLH) stocks. They significantly reduced their stock positions in WIX COM LTD (WIX), INTERDIGITAL INC (IDCC) and FLEX LTD (FLEX). Shannon River Fund Management LLC opened new stock positions in UNITY SOFTWARE INC (U), LIVE NATION ENTERTAINMENT IN (LYV) and EXTREME NETWORKS (EXTR). The fund showed a lot of confidence in some stocks as they added substantially to COHERENT CORP (COHR), CLEARWATER ANALYTICS HLDGS I (CWAN) and CREDO TECHNOLOGY GROUP HOLDI (CRDO).
The top stock holdings of Shannon River Fund Management LLC are TSEM, PEGA, U. The fund has invested 11.1% of it's portfolio in TOWER SEMICONDUCTOR LTD and 9.7% of portfolio in PEGASYSTEMS INC.
The fund managers got completely rid off JFROG LTD (FROG), FORMFACTOR INC (FORM) and CLEAN HARBORS INC (CLH) stocks. They significantly reduced their stock positions in WIX COM LTD (WIX), INTERDIGITAL INC (IDCC) and FLEX LTD (FLEX). Shannon River Fund Management LLC opened new stock positions in UNITY SOFTWARE INC (U), LIVE NATION ENTERTAINMENT IN (LYV) and EXTREME NETWORKS (EXTR). The fund showed a lot of confidence in some stocks as they added substantially to COHERENT CORP (COHR), CLEARWATER ANALYTICS HLDGS I (CWAN) and CREDO TECHNOLOGY GROUP HOLDI (CRDO).
Shannon River Fund Management LLC Annual Return Estimates Vs S&P 500
Our best estimate is that Shannon River Fund Management LLC made a return of 3.78% in the last quarter. In trailing 12 months, it's portfolio return was 17.72%.
- Performance
- S&P 500
New Buys
| Ticker | $ Bought |
|---|---|
| unity software inc | 47,061,000 |
| live nation entertainment in | 36,399,200 |
| extreme networks | 31,710,400 |
| celestica inc | 31,668,700 |
| astera labs inc | 27,888,800 |
| klaviyo inc | 23,693,500 |
| ambarella inc | 21,329,400 |
| legence corp | 14,412,500 |
New stocks bought by Shannon River Fund Management LLC
Additions
| Ticker | % Inc. |
|---|---|
| coherent corp | 88.13 |
| clearwater analytics hldgs i | 82.44 |
| credo technology group holdi | 73.24 |
Additions to existing portfolio by Shannon River Fund Management LLC
Reductions
| Ticker | % Reduced |
|---|---|
| wix com ltd | -85.84 |
| interdigital inc | -70.07 |
| flex ltd | -63.12 |
| palantir technologies inc | -49.28 |
| docusign inc | -44.69 |
| tower semiconductor ltd | -37.34 |
| ncino inc | -28.06 |
| pegasystems inc | -24.95 |
Shannon River Fund Management LLC reduced stake in above stock
Sold off
| Ticker | $ Sold |
|---|---|
| formfactor inc | -35,260,400 |
| jfrog ltd | -40,889,500 |
| backblaze inc | -2,128,680 |
| clean harbors inc | -26,907,300 |
| stride inc | -12,351,300 |
| taiwan semiconductor mfg ltd | -2,430,100 |
Shannon River Fund Management LLC got rid off the above stocks
Sector Distribution
Shannon River Fund Management LLC has about 60.9% of it's holdings in Technology sector.
- Technology
- Others
- Communication Services
- Industrials
| Sector | % |
|---|---|
| Technology | 60.9 |
| Others | 28.9 |
| Communication Services | 8.4 |
| Industrials | 1.8 |
Market Cap. Distribution
Shannon River Fund Management LLC has about 30.7% of it's portfolio invested in the large-cap and mega-cap stocks.
- MID-CAP
- LARGE-CAP
- UNALLOCATED
- SMALL-CAP
- MEGA-CAP
| Category | % |
|---|---|
| MID-CAP | 30.8 |
| LARGE-CAP | 29 |
| UNALLOCATED | 28.9 |
| SMALL-CAP | 9.5 |
| MEGA-CAP | 1.7 |
Stocks belong to which Index?
About 24.1% of the stocks held by Shannon River Fund Management LLC either belong to S&P 500 or RUSSELL 2000 index.
- Others
- RUSSELL 2000
- S&P 500
| Index | % |
|---|---|
| Others | 75.9 |
| RUSSELL 2000 | 14.4 |
| S&P 500 | 9.7 |
Shannon River Fund Management LLC Holdings Map
This heatmap illustrates the top 50 positions within the fund's portfolio.
Current Stock Holdings of Shannon River Fund Management LLC
Shannon River Fund Management LLC has 26 stocks in it's portfolio. About 63% of the portfolio is in top 10 stocks. WIX proved to be the most loss making stock for the portfolio. TSEM was the most profitable stock for Shannon River Fund Management LLC last quarter.
Last Reported on: 17 Feb, 2026| Ticker | Namesorted ascending | % Portfolio | Shares Held | $ Value | Type | % Change | Options | |
|---|---|---|---|---|---|---|---|---|
| AMBA | ambarella inc | 3.35 | 301,093 | 21,329,400 | new | |||
| AXON | axon enterprise inc | 1.85 | 20,716 | 11,765,200 | new | |||
| BLZE | backblaze inc | 0.00 | 0.00 | 0.00 | sold off | -100 | ||
| CCCS | ccc intelligent solutions hl | 1.34 | 1,075,550 | 8,550,590 | unchanged | 0.00 | ||
| CLH | clean harbors inc | 0.00 | 0.00 | 0.00 | sold off | -100 | ||
| CLS | celestica inc | 4.97 | 107,130 | 31,668,700 | new | |||
| COHR | coherent corp | 4.86 | 167,918 | 30,992,600 | added | 88.13 | ||
| CRDO | credo technology group holdi | 3.38 | 149,966 | 21,578,600 | added | 73.24 | ||
| CWAN | clearwater analytics hldgs i | 4.68 | 1,236,410 | 29,822,300 | added | 82.44 | ||
| DOCU | docusign inc | 1.68 | 156,813 | 10,726,000 | reduced | -44.69 | ||
| EXTR | extreme networks | 4.97 | 1,904,530 | 31,710,400 | new | |||
| FLEX | flex ltd | 2.97 | 313,273 | 18,928,000 | reduced | -63.12 | ||
| FORM | formfactor inc | 0.00 | 0.00 | 0.00 | sold off | -100 | ||
| FROG | jfrog ltd | 0.00 | 0.00 | 0.00 | sold off | -100 | ||
| GWRE | guidewire software inc | 3.98 | 126,057 | 25,338,700 | unchanged | 0.00 | ||
| IDCC | interdigital inc | 2.67 | 53,490 | 17,030,100 | reduced | -70.07 | ||
| LRN | stride inc | 0.00 | 0.00 | 0.00 | sold off | -100 | ||
| LYV | live nation entertainment in | 5.71 | 255,433 | 36,399,200 | new | |||
| MRVL | marvell technology inc | 5.04 | 377,684 | 32,095,600 | reduced | -10.85 | ||
| MU | micron technology inc | 0.91 | 20,400 | 5,822,360 | new | |||