AI Portfolio Summary
In 2025 Q4, Shannon River Fund Management LLC maintained a portfolio of 32 distinct positions. The most significant new addition to the portfolio was UNITY SOFTWARE INC, which now represents 7.38% of the total fund value. Conversely, Shannon River Fund Management LLC completely exited their position in BACKBLAZE INC.
Total Positions
32
Quarter
2025 Q4
Top Holding
TSEM (11.1%)
Top 10 Concentration
63.0%
Turnover Rate
23.4%
Sector HHI
0.18
Items per page:
Showing 1-32 of 32
| Stock | History | Sector / Type | Port % | Prev % | Rank / Prev | Conviction | Change | % Change | Influence | Shares | Mkt Value | Avg Cost | Price Held | 1st Owned | Source | Source Date | Date Reported |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
TSEM
TOWER SEMICONDU...
|
Technology | 11.10% | 11.20% |
#1
1
Prev: #2
|
6.0 | -359,259 | -37.3% |
P
S
|
602,804 | $70,781,246 | 2023 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
PEGA
PEGASYSTEMS INC
|
Technology | 9.73% | 12.81% |
#2
1
Prev: #1
|
5.4 | -345,387 | -25.0% |
P
S
|
1,038,832 | $62,039,047 | 2006 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
U
UNITY SOFTWARE ...
|
Technology | 7.38% | — |
#3
Prev: #—
|
7.5 | 1,065,452 | no change |
NEW
|
1,065,452 | $47,061,015 | 2025 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
LYV
LIVE NATION ENT...
|
Communication Services | 5.71% | — |
#4
Prev: #—
|
6.3 | 255,433 | no change |
NEW
|
255,433 | $36,399,203 | 2010 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
MRVL
MARVELL TECHNOL...
|
Technology | 5.03% | 5.73% |
#5
3
Prev: #8
|
3.0 | -45,960 | -10.8% |
P
S
|
377,684 | $32,095,586 | 2015 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
EXTR
EXTREME NETWORK...
|
Technology | 4.97% | — |
#6
Prev: #—
|
5.5 | 1,904,528 | no change |
NEW
|
1,904,528 | $31,710,392 | 2010 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
CLS
CELESTICA INC
|
Technology | 4.97% | — |
#7
Prev: #—
|
5.5 | 107,130 | no change |
NEW
|
107,130 | $31,668,699 | 2024 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
COHR
COHERENT CORP
|
Technology | 4.86% | 1.55% |
#8
10
Prev: #18
|
4.9 | 78,662 | 88.1% |
P
S
|
167,918 | $30,992,626 | 2025 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
CWAN
CLEARWATER ANAL...
|
Technology | 4.68% | 1.97% |
#9
6
Prev: #15
|
4.9 | 558,719 | 82.4% |
P
S
|
1,236,412 | $29,822,258 | 2023 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
NCNO
NCINO INC
|
Technology | 4.57% | 6.89% |
#10
4
Prev: #6
|
1.8 | -442,974 | -28.1% |
P
S
|
1,135,922 | $29,125,040 | 2025 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
ALAB
ASTERA LABS INC
|
Technology | 4.37% | — |
#11
Prev: #—
|
5.2 | 167,641 | no change |
NEW
|
167,641 | $27,888,757 | 2025 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
GWRE
GUIDEWIRE SOFTW...
|
Technology | 3.97% | 4.66% |
#12
2
Prev: #10
|
2.6 | no change | no change |
P
S
|
126,057 | $25,338,717 | 2018 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
KVYO
KLAVIYO INC
|
Technology | 3.72% | — |
#13
Prev: #—
|
5.0 | 729,703 | no change |
NEW
|
729,703 | $23,693,457 | 2025 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
CRDO
CREDO TECHNOLOG...
|
Technology | 3.38% | 2.03% |
#14
1
Prev: #13
|
4.4 | 63,399 | 73.2% |
P
S
|
149,966 | $21,578,608 | 2025 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
AMBA
AMBARELLA INC
|
Technology | 3.35% | — |
#15
Prev: #—
|
4.8 | 301,093 | no change |
NEW
|
301,093 | $21,329,428 | 2017 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
FLEX
FLEX LTD
|
Technology | 2.97% | 7.93% |
#16
11
Prev: #5
|
1.2 | -536,143 | -63.1% |
P
S
|
313,273 | $18,927,954 | 2019 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
IDCC
INTERDIGITAL IN...
|
Technology | 2.67% | 9.93% |
#17
14
Prev: #3
|
1.1 | -125,230 | -70.1% |
P
S
|
53,490 | $17,030,146 | 2008 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
LGN
LEGENCE CORP
|
Industrials | 2.26% | — |
#18
Prev: #—
|
4.4 | 334,863 | no change |
NEW
|
334,863 | $14,412,504 | 2025 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
AXON
AXON ENTERPRISE...
|
Industrials | 1.85% | — |
#19
Prev: #—
|
4.2 | 20,716 | no change |
NEW
|
20,716 | $11,765,238 | 2025 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
HNGE
HINGE HEALTH IN...
|
Healthcare | 1.70% | — |
#20
Prev: #—
|
4.2 | 233,354 | no change |
NEW
|
233,354 | $10,839,293 | 2025 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
DOCU
DOCUSIGN INC
|
Technology | 1.68% | 3.29% |
#21
9
Prev: #12
|
0.7 | -126,702 | -44.7% |
P
S
|
156,813 | $10,726,009 | 2024 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
CCCS
CCC INTELLIGENT...
|
Unknown | 1.34% | 1.58% |
#22
5
Prev: #17
|
1.5 | no change | no change |
P
S
|
1,075,546 | $8,550,591 | 2025 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
QCOM
QUALCOMM INC
|
Technology | 1.24% | — |
#23
Prev: #—
|
4.0 | 46,212 | no change |
NEW
|
46,212 | $7,904,563 | 2008 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
MU
MICRON TECHNOLO...
|
Technology | 0.91% | — |
#24
Prev: #—
|
3.9 | 20,400 | no change |
NEW
|
20,400 | $5,822,364 | 2021 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
PLTR
PALANTIR TECHNO...
|
Technology | 0.81% | 1.68% |
#25
9
Prev: #16
|
0.3 | -28,145 | -49.3% |
P
S
|
28,965 | $5,148,529 | 2025 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
WIX
WIX COM LTD
|
Technology | 0.76% | 9.44% |
#26
22
Prev: #4
|
0.3 | -283,352 | -85.8% |
P
S
|
46,731 | $4,854,883 | 2023 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
BLZE
BACKBLAZE INC
|
Technology | 0.00% | 0.34% |
Sold All 😨
(Was: #20) |
0.0 | -229,384 | -100.0% |
CLOSED
|
— | $— | 2025 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
TSM
TAIWAN SEMICOND...
|
Technology | 0.00% | 0.39% |
Sold All 😨
(Was: #19) |
0.0 | -8,701 | -100.0% |
CLOSED
|
— | $— | 2025 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
LRN
STRIDE INC
|
Consumer Defensive | 0.00% | 1.99% |
Sold All 😨
(Was: #14) |
0.0 | -82,928 | -100.0% |
CLOSED
|
— | $— | 2020 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
CLH
CLEAN HARBORS I...
|
Industrials | 0.00% | 4.33% |
Sold All 😨
(Was: #11) |
0.0 | -115,870 | -100.0% |
CLOSED
|
— | $— | 2025 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
FORM
FORMFACTOR INC
|
Technology | 0.00% | 5.68% |
Sold All 😨
(Was: #9) |
0.0 | -968,161 | -100.0% |
CLOSED
|
— | $— | 2008 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
FROG
JFROG LTD
|
Technology | 0.00% | 6.58% |
Sold All 😨
(Was: #7) |
0.0 | -863,924 | -100.0% |
CLOSED
|
— | $— | 2025 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) |
Showing 1-32 of 32 holdings