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SRFM
Shannon River Fund Management Portfolio holdings
AUM
$1.12B
1-Year Est. Return
150.26%
This Fund
S&P 500
This Quarter
Est. Return
+70.47%
1 Year Est. Return
+150.26%
3 Year Est. Return
+553.98%
5 Year Est. Return
+735.5%
10 Year Est. Return
+5,351.96%
AUM
$1.12B
AUM Growth
+$596M
(+114%)
Cap. Flow
+$335M
Cap. Flow
% of AUM
29.93%
Top 10 Holdings %
Top 10 Hldgs %
49.63%
Holding
50
New
22
Increased
12
Reduced
3
Closed
13
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
Advanced Micro Devices
AMD
|
+$43.4M |
| 2 |
Ciena
CIEN
|
+$41.5M |
| 3 |
InterDigital
IDCC
|
+$38.7M |
| 4 |
Twilio
TWLO
|
+$35.7M |
| 5 |
Universal Technical Institute
UTI
|
+$34.2M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Marvell Technology
MRVL
|
+$55.8M |
| 2 |
Tower Semiconductor
TSEM
|
+$29.1M |
| 3 |
AXON
Axon Enterprise
AXON
|
+$20.1M |
| 4 |
Toast
TOST
|
+$19.4M |
| 5 |
LGN
Legence Corp
LGN
|
+$19.1M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 72.33% |
| 2 | Communication Services | 9.19% |
| 3 | Industrials | 5.24% |
| 4 | Consumer Discretionary | 4.26% |
| 5 | Healthcare | 4.16% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
26
Lionsgate Studios
LION
$3.37B
| $16.1M | 1.44% |
1,050,445
+9,511
| +0.9% | +$123K |
|
27
Digital Realty Trust
DLR
$67.2B
| $15.9M | 1.42% |
88,764
+58,926
| +197% | +$11.3M |
|
28
Guidewire Software
GWRE
$12B
| $13.9M | 1.24% |
113,230
+50,367
| +80% | +$6.72M |
|
29
Sphere Entertainment
SPHR
$5.19B
| $12.8M | 1.14% |
73,878
+533
| +0.7% | +$74.3K |
|
30
Global E Online
GLBE
$6.2B
| $12.3M | 1.09% |
+353,200
| New | +$11.2M |
|
31
Amprius Technologies
AMPX
$1.33B
| $11.6M | 1.04% |
+838,887
| New | +$15M |
|
32
Applied Digital
APLD
$6.93B
| $9.9M | 0.88% |
+265,474
| New | +$10.2M |
|
33
Cloudflare
NET
$116B
| $5.79M | 0.52% |
+23,589
| New | +$5.16M |
|
34
Amkor Technology
AMKR
$11.5B
| $5.68M | 0.51% |
+65,895
| New | +$4.7M |
|
35
Micron Technology
MU
$1.05T
| $5.18M | 0.46% |
+4,484
| New | +$3.36M |
|
36
Babcock & Wilcox
BW
$1.01B
| $4.7M | 0.42% |
+333,153
| New | +$5.65M |
|
37
MaxLinear
MXL
$6.3B
| $3.51M | 0.31% |
+27,377
| New | +$1.94M |
|
38
Adtran
ADTN
$578M
| – | – |
-1,219,976
| Closed | -$15.3M |
|
39
Ambarella
AMBA
$2.77B
| – | – |
-114,940
| Closed | -$5.92M |
|
40
Applovin
APP
$109B
| – | – |
-14,480
| Closed | -$5.76M |
|
|
AXON
41
Axon Enterprise
AXON
$38.1B
| – | – |
-47,442
| Closed | -$20.1M |
|
42
Equinix
EQIX
$100B
| – | – |
-5,102
| Closed | -$5M |
|
|
43
Marvell Technology
MRVL
$206B
| – | – |
-563,573
| Closed | -$55.8M |
|
44
OSI Systems
OSIS
$3.22B
| – | – |
-19,274
| Closed | -$5.12M |
|
45
Palantir
PLTR
$419B
| – | – |
-29,150
| Closed | -$4.26M |
|
46
Snowflake
SNOW
$117B
| – | – |
-26,377
| Closed | -$3.98M |
|
|
47
Toast
TOST
$18B
| – | – |
-732,027
| Closed | -$19.4M |
|
48
Energy Fuels
UUUU
$3.11B
| – | – |
-507,555
| Closed | -$9.26M |
|
49
Astera Labs
ALAB
$46.7B
| – | – |
-47,394
| Closed | -$5.19M |
|
|
LGN
50
Legence Corp
LGN
$4.14B
| – | – |
-337,638
| Closed | -$19.1M |
|
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Shannon River Fund Management's Q2 2026 Portfolio in Review
As of Q2 2026, Shannon River Fund Management held 50 positions worth $1.12B, up 114% from $524M the previous quarter. Its ten largest holdings account for 50% of the portfolio.
Shannon River Fund Management deployed $335M of net new capital in Q2 2026, opening 22 new positions and adding to 12 existing holdings. Its largest new stake was Advanced Micro Devices: 105,751 shares worth $61.4M.
By sector, the portfolio is most concentrated in Technology at 72% of assets, up from 67% a quarter earlier, followed by Communication Services and Industrials.
On the sell side, the largest reduction was Tower Semiconductor, an estimated $29.1M trimmed.
- Shannon River Fund Management's largest Q2 2026 buy was Advanced Micro Devices: 105,751 shares worth $61.4M.
- Shannon River Fund Management added most to InterDigital in Q2 2026, an estimated $38.7M increase.
- Shannon River Fund Management's biggest Q2 2026 reduction was Tower Semiconductor, cutting an estimated $29.1M.
- Shannon River Fund Management fully exited Marvell Technology in Q2 2026, selling an estimated $55.8M.
- Shannon River Fund Management's ten largest holdings make up 50% of its $1.12B portfolio in Q2 2026.
- Shannon River Fund Management opened 22 new positions and closed 13 in Q2 2026.
- Shannon River Fund Management's portfolio value rose 114% quarter-over-quarter to $1.12B.
Based on Shannon River Fund Management's 13F filing for Q2 2026, filed 13 Aug 2026.