Sunstone Asset Management, L.P.
Filing Date
Global Rank
#5,896
/ 8,232
▲ 680
Top Industry
Software - Infrastructure
21.9%
3Y Alpha vs SPY
+41.0%
Period ended 2 months ago
Filed May 14, 2026 · 31d
2 quarters · since Dec 2025
Clone Performance
Feb 2026–Jun 2026 · vs SPYHypothetical growth of cloning every reported 13F position and rebalancing on each filing, indexed to the same start.
Cloned portfolio
+19.4%
SPY
+9.1%
Annualised alpha
+41.0%
Max drawdown
−10.1%
Estimate. 13F holdings are quarter-lagged and long-only, so the clone rebalances about 45 days after each period end — when the filing becomes public — and excludes options and short positions. Past performance does not predict future results.
Portfolio Concentration
49 positions · as of Mar 31, 2026 · Δ vs Dec 31, 2025Top Position
7.1%
+0.3 pts
Top 5
24.5%
−1.8 pts
Top 10
40.9%
−5.8 pts
HHI
295
Diversified−50
Portfolio Trend
2 quarters · across all stocks
Sector Breakdown
As of Mar 31, 2026| Sector | % Portfolio | Value |
|---|---|---|
| Technology | 69.8% | $52,077,471 |
| Consumer Cyclical | 8.9% | $6,676,628 |
| Communication Services | 8.7% | $6,507,494 |
| Financial Services | 6.0% | $4,484,097 |
| Real Estate | 5.0% | $3,754,758 |
| Unclassified | 1.5% | $1,101,542 |
Last Quarter's Activity
Export CSVAdded To
Positions the filer increased
16 positions
| Ticker | Company | Δ Shares | Shares | Value | Open |
|---|---|---|---|---|---|
| SONY | Sony Group Corp | +14,700 | 49,626 | $1,027,258 | |
| MDB | MongoDB, Inc. | +10,545 | 15,996 | $3,915,340 | |
| NVDA | Nvidia Corp | +10,000 | 30,441 | $5,308,910 | |
| SE | Sea Ltd | +7,000 | 13,614 | $1,127,375 | |
| JOYY | JOYY Inc. | +4,800 | 18,705 | $1,092,184 | |
| AMAT | Applied Materials Inc /De | +4,400 | 7,500 | $2,563,425 | |
| NTNX | Nutanix, Inc. | +2,990 | 32,890 | $1,250,148 | |
| SNPS | Synopsys Inc | +2,420 | 7,430 | $2,945,846 | |
| SHOP | Shopify Inc. | +2,290 | 7,190 | $852,877 | |
| DASH | DoorDash, Inc. | +1,840 | 15,700 | $2,357,355 | |
| MTSI | MACOM Technology Solutions Holdings, Inc. | +1,500 | 14,261 | $3,166,940 | |
| TWLO | Twilio Inc | +1,051 | 11,566 | $1,455,234 | |
| MSFT | Microsoft Corp | +1,000 | 5,900 | $2,184,003 | |
| NOW | ServiceNow, Inc. | +730 | 8,030 | $839,536 | |
| ORCL | Oracle Corp | +500 | 5,500 | $809,105 | |
| GLD | Spdr Gold Trust | +370 | 2,560 | $1,101,542 | |
| No positions match the current search. | |||||
New Positions
Positions the filer opened this quarter
17 positions
| Ticker | Company | Shares | Value | Open |
|---|---|---|---|---|
| PANW | Palo Alto Networks Inc | 17,113 | $2,743,556 | |
| AMD | Advanced Micro Devices Inc | 11,096 | $2,257,259 | |
| GLW | Corning Inc /Ny | 15,171 | $2,062,800 | |
| APH | Amphenol Corp /De/ | 14,500 | $1,832,075 | |
| KLAC | Kla Corp | 960 | $1,413,513 | |
| NOK | Nokia Corp | 164,800 | $1,324,992 | |
| INTU | Intuit Inc. | 2,880 | $1,245,254 | |
| SNOW | Snowflake Inc. | 7,200 | $1,085,904 | |
| RMBS | Rambus Inc | 11,746 | $1,010,508 | |
| U | Unity Software Inc. | 42,900 | $941,226 | |
| RBLX | Roblox Corp | 14,729 | $833,072 | |
| ADI | Analog Devices Inc | 2,400 | $763,536 | |
| ZS | Zscaler, Inc. | 3,760 | $527,490 | |
| TCOM | Trip.com Group Ltd | 9,700 | $482,963 | |
| ZM | Zoom Communications, Inc. | 4,200 | $337,638 | |
| ESTC | Elastic N.V. | 6,600 | $329,934 | |
| S | SentinelOne, Inc. | 20,000 | $257,600 | |
| No positions match the current search. | ||||
Sold Out
Positions the filer fully exited
8 positions
| Ticker | Company | Shares | Value | Open |
|---|---|---|---|---|
| MNDY | monday.com Ltd. | 11,641 | $1,717,745 | |
| TXN | Texas Instruments Inc | 8,348 | $1,448,294 | |
| FORM | Formfactor Inc | 15,409 | $859,514 | |
| TTD | Trade Desk, Inc. | 20,000 | $759,200 | |
| DDOG | Datadog, Inc. | 3,206 | $435,983 | |
| BE | Bloom Energy Corp | 4,800 | $417,072 | |
| SMCI | Super Micro Computer, Inc. | 14,000 | $409,780 | |
| KVYO | Klaviyo, Inc. | 10,335 | $335,577 | |
| No positions match the current search. | ||||
33 positions ·
$52,077,471 total
· Technology only
· as of Mar 31, 2026
| Ticker | Company | Type | Shares | Value (USD) | % of Portfolio | History |
|---|---|---|---|---|---|---|
| S |
SentinelOne, Inc.
Technology
|
NEW | 20,000 | $257,600 | 0.49% | |
| ESTC |
Elastic N.V.
Technology
|
NEW | 6,600 | $329,934 | 0.63% | |
| ZM |
Zoom Communications, Inc.
Technology
|
NEW | 4,200 | $337,638 | 0.65% | |
| ZS |
Zscaler, Inc.
Technology
|
NEW | 3,760 | $527,490 | 1.01% | |
| ADI |
Analog Devices Inc
Technology
|
NEW | 2,400 | $763,536 | 1.47% | |
| ORCL |
Oracle Corp
Technology
|
Added | 5,500 | $809,105 | 1.55% | |
| NOW |
ServiceNow, Inc.
Technology
|
Added | 8,030 | $839,536 | 1.61% | |
| AVGO |
Broadcom Inc.
Technology
|
Reduced | 2,721 | $842,176 | 1.62% | |
| OLED |
Universal Display Corp \Pa\
Technology
|
Held | 9,217 | $844,830 | 1.62% | |
| SHOP |
Shopify Inc.
Technology
|
Added | 7,190 | $852,877 | 1.64% | |
| U |
Unity Software Inc.
Technology
|
NEW | 42,900 | $941,226 | 1.81% | |
| RMBS |
Rambus Inc
Technology
|
NEW | 11,746 | $1,010,508 | 1.94% | |
| SONY |
Sony Group Corp
Technology
|
Added | 49,626 | $1,027,258 | 1.97% | |
| SNOW |
Snowflake Inc.
Technology
|
NEW | 7,200 | $1,085,904 | 2.09% | |
| CLS |
Celestica Inc
Technology
|
Held | 3,998 | $1,126,156 | 2.16% | |
| TTMI |
Ttm Technologies Inc
Technology
|
Reduced | 12,100 | $1,178,782 | 2.26% | |
| INTU |
Intuit Inc.
Technology
|
NEW | 2,880 | $1,245,254 | 2.39% | |
| NTNX |
Nutanix, Inc.
Technology
|
Added | 32,890 | $1,250,148 | 2.40% | |
| NOK |
Nokia Corp
Technology
|
NEW | 164,800 | $1,324,992 | 2.54% | |
| KLAC |
Kla Corp
Technology
|
NEW | 960 | $1,413,513 | 2.71% | |
| TWLO |
Twilio Inc
Technology
|
Added | 11,566 | $1,455,234 | 2.79% | |
| SNDK |
Sandisk Corp
Technology
|
Reduced | 2,600 | $1,651,884 | 3.17% | |
| APH |
Amphenol Corp /De/
Technology
|
NEW | 14,500 | $1,832,075 | 3.52% | |
| FLEX |
Flex Ltd.
Technology
|
Reduced | 30,274 | $1,981,736 | 3.81% | |
| GLW |
Corning Inc /Ny
Technology
|
NEW | 15,171 | $2,062,800 | 3.96% | |
| MSFT |
Microsoft Corp
Technology
|
Added | 5,900 | $2,184,003 | 4.19% | |
| AMD |
Advanced Micro Devices Inc
Technology
|
NEW | 11,096 | $2,257,259 | 4.33% | |
| AMAT |
Applied Materials Inc /De
Technology
|
Added | 7,500 | $2,563,425 | 4.92% | |
| PANW |
Palo Alto Networks Inc
Technology
|
NEW | 17,113 | $2,743,556 | 5.27% | |
| SNPS |
Synopsys Inc
Technology
|
Added | 7,430 | $2,945,846 | 5.66% | |
| MTSI |
MACOM Technology Solutions Holdings, Inc.
Technology
|
Added | 14,261 | $3,166,940 | 6.08% | |
| MDB |
MongoDB, Inc.
Technology
|
Added | 15,996 | $3,915,340 | 7.52% | |
| NVDA |
Nvidia Corp
Technology
|
Added | 30,441 | $5,308,910 | 10.19% |