2026 Q2 Portfolio Activity
In 2026 Q2, Sunstone Asset Management, LP maintained a portfolio of 84 distinct positions. The most significant new addition was MKS INSTRUMENTS INC, now representing 5.59% of the total fund value. They heavily accumulated shares in BILL HOLDINGS INC, increasing the position by 46500.0%. Conversely, Sunstone Asset Management, LP completely exited their position in NVIDIA CORPORATION.
Position History
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Total Positions
84
Quarter
2026 Q2
Top Holding
AMAT (5.9%)
Top 10 Concentration
43.8%
Turnover Rate
23.4%
Sector HHI
0.18
Items per page:
Showing 1-50 of 84
Sunstone Asset Management, LP Full Holdings List — 2026 Q2
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
AMAT
APPLIED MATLS I...
|
Technology | 5.93% | 3.01% |
#1
7
Prev: #8
|
4.9 |
—
|
80 | 1.1% |
P
S
|
7,580 | $5,480,340 |
$310.29
+58.7%
|
2025 Q4 | 13F Filing | 2026-06-30 | 2026-08-14 | ||
|
MKSI
MKS INSTRUMENTS...
|
Technology | 5.59% | — |
#2
Prev: #—
|
7.2 |
—
|
11,600 | — |
NEW
|
11,600 | $5,159,680 | 2026 Q2 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
MTSI
MACOM TECH SOLU...
|
Technology | 4.80% | 3.72% |
#3
1
Prev: #4
|
3.4 |
—
|
-2,600 | -18.2% |
P
S
|
11,661 | $4,435,495 | 2025 Q4 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
GLW
CORNING INC
|
Technology | 4.71% | 2.42% |
#4
11
Prev: #15
|
4.4 |
—
|
1,881 | 12.4% |
P
S
|
17,052 | $4,353,205 | 2026 Q1 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
DASH
DOORDASH INC
|
Consumer Cyclical | 4.58% | 2.77% |
#5
4
Prev: #9
|
4.8 |
—
|
7,200 | 45.9% |
P
S
|
22,900 | $4,225,737 | 2025 Q4 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
N/A
BILL HOLDINGS I...
|
|
Bond/Debt | 4.37% | 4.88% |
#6
4
Prev: #2
|
2.7 |
—
|
no change | no change |
P
S
|
4,660,000 | $4,037,191 | — | 13F Filing | 2026-06-30 | 2026-08-14 | ||
|
SNPS
SYNOPSYS INC
|
Technology | 3.94% | 3.46% |
#7
1
Prev: #6
|
3.6 |
—
|
720 | 9.7% |
P
S
|
8,150 | $3,635,471 | 2025 Q4 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
ASML
ASML HOLDING N ...
|
Technology | 3.66% | — |
#8
Prev: #—
|
5.0 |
—
|
1,700 | — |
NEW
|
1,700 | $3,382,048 | 2026 Q2 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
SNOW
SNOWFLAKE INC
|
Technology | 3.31% | 1.27% |
#9
25
Prev: #34
|
4.3 |
—
|
4,800 | 66.7% |
P
S
|
12,000 | $3,054,000 | 2026 Q1 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
GSAT
GLOBALSTAR INC
|
Communication Services | 2.95% | — |
#10
Prev: #—
|
4.7 |
—
|
33,500 | — |
NEW
|
33,500 | $2,723,215 | 2026 Q2 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
TDS
TELEPHONE & DAT...
|
Communication Services | 2.83% | 3.49% |
#11
6
Prev: #5
|
2.1 |
—
|
no change | no change |
P
S
|
70,604 | $2,613,054 | 2025 Q4 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
APH
AMPHENOL CORP
|
Technology | 2.77% | 2.15% |
#12
7
Prev: #19
|
2.1 |
—
|
no change | no change |
P
S
|
14,500 | $2,556,640 | 2026 Q1 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
SE
SEA LTD
|
Consumer Cyclical | 2.72% | 1.32% |
#13
17
Prev: #30
|
4.1 |
—
|
12,600 | 92.6% |
P
S
|
26,214 | $2,512,088 | 2025 Q4 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
V
VISA INC
|
Financial Services | 2.71% | 2.59% |
#14
2
Prev: #12
|
2.1 |
—
|
no change | no change |
P
S
|
7,300 | $2,504,557 | 2025 Q4 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
AMZN
AMAZON COM INC
|
Consumer Cyclical | 2.66% | — |
#15
Prev: #—
|
4.6 |
—
|
10,300 | — |
NEW
|
10,300 | $2,454,902 | 2026 Q2 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
ADI
ANALOG DEVICES ...
|
Technology | 2.58% | 0.90% |
#16
31
Prev: #47
|
4.0 |
—
|
3,600 | 150.0% |
P
S
|
6,000 | $2,383,020 | 2026 Q1 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
N/A
UNITY SOFTWARE ...
|
|
Bond/Debt | 2.13% | 2.28% |
#17
1
Prev: #18
|
1.9 |
—
|
no change | no change |
P
S
|
2,000,000 | $1,968,000 | — | 13F Filing | 2026-06-30 | 2026-08-14 | ||
|
ANET
ARISTA NETWORKS...
|
Technology | 1.91% | — |
#18
Prev: #—
|
4.3 |
—
|
10,400 | — |
NEW
|
10,400 | $1,766,752 | 2026 Q2 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
EQIX
EQUINIX INC
|
Real Estate | 1.86% | 2.40% |
#19
3
Prev: #16
|
0.7 |
—
|
-440 | -21.1% |
P
S
|
1,645 | $1,714,732 | 2025 Q4 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
NTNX
NUTANIX INC
|
Technology | 1.81% | 1.47% |
#20
7
Prev: #27
|
1.7 |
—
|
no change | no change |
P
S
|
32,890 | $1,676,074 | 2025 Q4 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
AMT
AMERICAN TOWER ...
|
Real Estate | 1.76% | 2.01% |
#21
1
Prev: #20
|
1.7 |
—
|
no change | no change |
P
S
|
9,914 | $1,621,633 | 2025 Q4 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
ORCL
ORACLE CORP
|
Technology | 1.67% | 0.95% |
#22
23
Prev: #45
|
3.7 |
—
|
5,000 | 90.9% |
P
S
|
10,500 | $1,540,035 | 2025 Q4 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
CIEN
CIENA CORP
|
Technology | 1.61% | — |
#23
Prev: #—
|
4.1 |
—
|
3,040 | — |
NEW
|
3,040 | $1,491,302 | 2026 Q2 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
STX
SEAGATE TECHNOL...
|
Technology | 1.55% | — |
#24
Prev: #—
|
4.1 |
—
|
1,480 | — |
NEW
|
1,480 | $1,428,200 | 2026 Q2 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
N/A
SUPER MICRO COM...
|
|
Bond/Debt | 1.50% | 0.94% |
#25
21
Prev: #46
|
3.6 |
—
|
500,000 | 50.0% |
P
S
|
1,500,000 | $1,386,750 | — | 13F Filing | 2026-06-30 | 2026-08-14 | ||
|
N/A
MONGODB INC
|
|
Unknown | 1.49% | — |
#26
Prev: #—
|
4.1 |
—
|
20,000 | — |
NEW
|
20,000 | $1,379,500 | — | 13F Filing | 2026-06-30 | 2026-08-14 | ||
|
MMC
MARSH & MCLENNA...
|
Unknown | 1.43% | 2.67% |
#27
17
Prev: #10
|
0.6 |
—
|
-5,200 | -39.6% |
P
S
|
7,932 | $1,322,026 | 2025 Q4 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
JOYY
JOYY INC
|
ETF | 1.34% | 1.28% |
#28
5
Prev: #33
|
1.5 |
—
|
no change | no change |
P
S
|
18,705 | $1,234,343 | 2025 Q4 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
TER
TERADYNE INC
|
Technology | 1.22% | — |
#29
Prev: #—
|
4.0 |
—
|
2,320 | — |
NEW
|
2,320 | $1,122,509 | 2026 Q2 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
NOW
SERVICENOW INC
|
Technology | 1.21% | 0.99% |
#30
13
Prev: #43
|
3.0 |
—
|
3,200 | 39.9% |
P
S
|
11,230 | $1,114,914 | 2025 Q4 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
KLAC
KLA CORP
|
Technology | 1.16% | 1.66% |
#31
7
Prev: #24
|
3.5 |
—
|
2,580 | 268.8% |
P
S
|
3,540 | $1,068,053 | 2026 Q1 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
TWLO
TWILIO INC
|
Technology | 1.15% | 1.71% |
#32
9
Prev: #23
|
0.5 |
—
|
-6,400 | -55.3% |
P
S
|
5,166 | $1,065,901 | 2025 Q4 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
TCOM
TRIP COM GROUP ...
|
Consumer Cyclical | 1.13% | 0.57% |
#33
17
Prev: #50
|
3.5 |
—
|
16,600 | 171.1% |
P
S
|
26,300 | $1,047,792 | 2026 Q1 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
SONY
SONY GROUP CORP
|
Technology | 1.08% | 1.21% |
#34
1
Prev: #35
|
1.4 |
—
|
no change | no change |
P
S
|
49,626 | $995,498 | 2025 Q4 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
NET
CLOUDFLARE INC
|
Technology | 1.08% | — |
#35
Prev: #—
|
3.9 |
—
|
4,046 | — |
NEW
|
4,046 | $993,536 | 2026 Q2 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
COHR
COHERENT CORP
|
Technology | 1.03% | — |
#36
Prev: #—
|
3.9 |
—
|
2,400 | — |
NEW
|
2,400 | $946,728 | 2026 Q2 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
GLD
SPDR GOLD TR
|
ETF | 1.02% | 1.29% |
#37
5
Prev: #32
|
1.4 |
—
|
no change | no change |
P
S
|
2,560 | $943,053 | 2025 Q4 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
N/A
TWILIO INC
|
|
Unknown | 1.02% | — |
#38
Prev: #—
|
3.9 |
—
|
15,000 | — |
NEW
|
15,000 | $939,000 | — | 13F Filing | 2026-06-30 | 2026-08-14 | ||
|
N/A
CLOUDFLARE INC
|
|
Unknown | 0.97% | — |
#39
Prev: #—
|
3.9 |
—
|
13,800 | — |
NEW
|
13,800 | $898,105 | — | 13F Filing | 2026-06-30 | 2026-08-14 | ||
|
N/A
SNOWFLAKE INC
|
|
Unknown | 0.90% | — |
#40
Prev: #—
|
3.9 |
—
|
10,000 | — |
NEW
|
10,000 | $828,250 | — | 13F Filing | 2026-06-30 | 2026-08-14 | ||
|
SHOP
SHOPIFY INC
|
Technology | 0.89% | 1.00% |
#41
1
Prev: #40
|
1.4 |
—
|
no change | no change |
P
S
|
7,190 | $820,954 | 2025 Q4 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
OLED
UNIVERSAL DISPL...
|
Technology | 0.86% | 0.99% |
#42
1
Prev: #41
|
1.3 |
—
|
no change | no change |
P
S
|
9,217 | $798,100 | 2025 Q4 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
ABNB
AIRBNB INC
|
Consumer Cyclical | 0.77% | 2.48% |
#43
29
Prev: #14
|
0.3 |
—
|
-11,700 | -70.1% |
P
S
|
5,000 | $715,500 | 2025 Q4 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
SBAC
SBA COMMUNICATI...
|
Real Estate | 0.76% | — |
#44
Prev: #—
|
3.8 |
—
|
4,000 | — |
NEW
|
4,000 | $705,840 | 2026 Q2 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
GWRE
GUIDEWIRE SOFTW...
|
Technology | 0.59% | — |
#45
Prev: #—
|
3.7 |
—
|
4,400 | — |
NEW
|
4,400 | $541,420 | 2026 Q2 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
N/A
APPLOVIN CORP
|
|
Unknown | 0.52% | — |
#46
Prev: #—
|
3.7 |
—
|
5,000 | — |
NEW
|
5,000 | $480,750 | — | 13F Filing | 2026-06-30 | 2026-08-14 | ||
|
ESTC
ELASTIC N V
|
Technology | 0.41% | 0.39% |
#47
5
Prev: #52
|
1.2 |
—
|
no change | no change |
P
S
|
6,600 | $376,332 | 2026 Q1 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
N/A
ROBLOX CORP
|
|
Unknown | 0.39% | — |
#48
Prev: #—
|
3.7 |
—
|
40,000 | — |
NEW
|
40,000 | $363,625 | — | 13F Filing | 2026-06-30 | 2026-08-14 | ||
|
S
SENTINELONE INC
|
Technology | 0.37% | 0.30% |
#49
4
Prev: #53
|
1.1 |
—
|
no change | no change |
P
S
|
20,000 | $339,400 | 2026 Q1 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
RBLX
ROBLOX CORP
|
Communication Services | 0.35% | 0.98% |
#50
6
Prev: #44
|
0.1 |
—
|
-8,829 | -59.9% |
P
S
|
5,900 | $320,960 | 2026 Q1 | 13F Filing | 2026-06-30 | 2026-08-14 |
Showing 1-50 of 84 holdings