Filed: 5/14/2026ACC: 0000912282-26-000730
📋 What this filing means
SUNSTONE ASSET MANAGEMENT, L.P. filed this quarterly 13F‑HR report disclosing 61 equity positions with a total reported market value of $85.17M. This filing provides a transparent view of the manager's long equity holdings as of the quarter end.
61
Positions
$85.17M
Total AUM (reported)
10.86M
Total Shares
Allocation by class
COM$43.13M50.6%
CL A$12.31M14.5%
COM NEW$4.39M5.1%
COM CL A$4.32M5.1%
NOTE 4/0$4.16M4.9%
SPONSORED ADR$2.35M2.8%
ORD$1.98M2.3%
Portfolio Concentration
Top 3$13.38M15.7%
4–10$19.03M22.3%
11–25$27.73M32.6%
Rest$25.04M29.4%
Top 3 weight
15.7%
Top 10 weight
38.1%
Voting Authority Distribution
Total shares with voting rights: 10.86M
Sole
Full voting authority
10.86M
shares
% of voting shares100.0%
Shared
Joint voting authority
0.00
shares
% of voting shares0.0%
None
No voting authority
0.00
shares
% of voting shares0.0%
Investment Discretion (by position count)
Sole61
Shared0
Other0
Dominant voting typeSole · 100.0% of voting shares
Institutional Holdings61
Rows:
NVIDIA CORPORATION
SOLEShares30.44K
TypeSH
Market value$5.31M
6.23%
Sole
30.44K
Shared
0.00
None
0.00
BILL HOLDINGS INC
SOLEShares4.66M
TypePRN
Market value$4.16M
4.88%
Sole
4.66M
Shared
0.00
None
0.00
MONGODB INC
SOLEShares16K
TypeSH
Market value$3.92M
4.60%
Sole
16K
Shared
0.00
None
0.00
MACOM TECH SOLUTIONS HLDGS I
SOLEShares14.26K
TypeSH
Market value$3.17M
3.72%
Sole
14.26K
Shared
0.00
None
0.00
TELEPHONE & DATA SYS INC
SOLEShares70.60K
TypeSH
Market value$2.97M
3.49%
Sole
70.60K
Shared
0.00
None
0.00
SYNOPSYS INC
SOLEShares7.43K
TypeSH
Market value$2.95M
3.46%
Sole
7.43K
Shared
0.00
None
0.00
PALO ALTO NETWORKS INC
SOLEShares17.11K
TypeSH
Market value$2.74M
3.22%
Sole
17.11K
Shared
0.00
None
0.00
APPLIED MATLS INC
SOLEShares7.50K
TypeSH
Market value$2.56M
3.01%
Sole
7.50K
Shared
0.00
None
0.00
DOORDASH INC
SOLEShares15.70K
TypeSH
Market value$2.36M
2.77%
Sole
15.70K
Shared
0.00
None
0.00
MARSH & MCLENNAN COS INC
SOLEShares13.13K
TypeSH
Market value$2.28M
2.67%
Sole
13.13K
Shared
0.00
None
0.00
ADVANCED MICRO DEVICES INC
SOLEShares11.10K
TypeSH
Market value$2.26M
2.65%
Sole
11.10K
Shared
0.00
None
0.00
VISA INC
SOLEShares7.30K
TypeSH
Market value$2.21M
2.59%
Sole
7.30K
Shared
0.00
None
0.00
MICROSOFT CORP
SOLEShares5.90K
TypeSH
Market value$2.18M
2.56%
Sole
5.90K
Shared
0.00
None
0.00
AIRBNB INC
SOLEShares16.70K
TypeSH
Market value$2.11M
2.48%
Sole
16.70K
Shared
0.00
None
0.00
CORNING INC
SOLEShares15.17K
TypeSH
Market value$2.06M
2.42%
Sole
15.17K
Shared
0.00
None
0.00
EQUINIX INC
SOLEShares2.08K
TypeSH
Market value$2.04M
2.40%
Sole
2.08K
Shared
0.00
None
0.00
FLEXTRONICS INTL LTD
SOLEShares30.27K
TypeSH
Market value$1.98M
2.33%
Sole
30.27K
Shared
0.00
None
0.00
UNITY SOFTWARE INC
SOLEShares2M
TypePRN
Market value$1.95M
2.28%
Sole
2M
Shared
0.00
None
0.00
AMPHENOL CORP
SOLEShares14.50K
TypeSH
Market value$1.83M
2.15%
Sole
14.50K
Shared
0.00
None
0.00
AMERICAN TOWER CORP
SOLEShares9.91K
TypeSH
Market value$1.71M
2.01%
Sole
9.91K
Shared
0.00
None
0.00
SANDISK CORP
SOLEShares2.60K
TypeSH
Market value$1.65M
1.94%
Sole
2.60K
Shared
0.00
None
0.00
NETFLIX INC.
SOLEShares16K
TypeSH
Market value$1.54M
1.81%
Sole
16K
Shared
0.00
None
0.00
TWILIO INC
SOLEShares11.57K
TypeSH
Market value$1.46M
1.71%
Sole
11.57K
Shared
0.00
None
0.00
KLA CORP
SOLEShares960.00
TypeSH
Market value$1.41M
1.66%
Sole
960.00
Shared
0.00
None
0.00
ALPHABET INC
SOLEShares4.65K
TypeSH
Market value$1.33M
1.57%
Sole
4.65K
Shared
0.00
None
0.00
| Issuer | Class | Shares | Type | Value / Portfolio % | Voting — Sole | Shared | None |
|---|---|---|---|---|---|---|---|
NVIDIA CORPORATIONSOLE | COM | 30.44K | SH | $5.31M 6.23% | 30.44K | 0.00 | 0.00 |
BILL HOLDINGS INCSOLE | NOTE 4/0 | 4.66M | PRN | $4.16M 4.88% | 4.66M | 0.00 | 0.00 |
MONGODB INCSOLE | CL A | 16K | SH | $3.92M 4.60% | 16K | 0.00 | 0.00 |
MACOM TECH SOLUTIONS HLDGS ISOLE | COM | 14.26K | SH | $3.17M 3.72% | 14.26K | 0.00 | 0.00 |
TELEPHONE & DATA SYS INCSOLE | COM NEW | 70.60K | SH | $2.97M 3.49% | 70.60K | 0.00 | 0.00 |
SYNOPSYS INCSOLE | COM | 7.43K | SH | $2.95M 3.46% | 7.43K | 0.00 | 0.00 |
PALO ALTO NETWORKS INCSOLE | COM | 17.11K | SH | $2.74M 3.22% | 17.11K | 0.00 | 0.00 |
APPLIED MATLS INCSOLE | COM | 7.50K | SH | $2.56M 3.01% | 7.50K | 0.00 | 0.00 |
DOORDASH INCSOLE | CL A | 15.70K | SH | $2.36M 2.77% | 15.70K | 0.00 | 0.00 |
MARSH & MCLENNAN COS INCSOLE | COM | 13.13K | SH | $2.28M 2.67% | 13.13K | 0.00 | 0.00 |
ADVANCED MICRO DEVICES INCSOLE | COM | 11.10K | SH | $2.26M 2.65% | 11.10K | 0.00 | 0.00 |
VISA INCSOLE | COM CL A | 7.30K | SH | $2.21M 2.59% | 7.30K | 0.00 | 0.00 |
MICROSOFT CORPSOLE | COM | 5.90K | SH | $2.18M 2.56% | 5.90K | 0.00 | 0.00 |
AIRBNB INCSOLE | COM CL A | 16.70K | SH | $2.11M 2.48% | 16.70K | 0.00 | 0.00 |
CORNING INCSOLE | COM | 15.17K | SH | $2.06M 2.42% | 15.17K | 0.00 | 0.00 |
EQUINIX INCSOLE | COM | 2.08K | SH | $2.04M 2.40% | 2.08K | 0.00 | 0.00 |
FLEXTRONICS INTL LTDSOLE | ORD | 30.27K | SH | $1.98M 2.33% | 30.27K | 0.00 | 0.00 |
UNITY SOFTWARE INCSOLE | NOTE 11/1 | 2M | PRN | $1.95M 2.28% | 2M | 0.00 | 0.00 |
AMPHENOL CORPSOLE | CL A | 14.50K | SH | $1.83M 2.15% | 14.50K | 0.00 | 0.00 |
AMERICAN TOWER CORPSOLE | COM | 9.91K | SH | $1.71M 2.01% | 9.91K | 0.00 | 0.00 |
SANDISK CORPSOLE | COM | 2.60K | SH | $1.65M 1.94% | 2.60K | 0.00 | 0.00 |
NETFLIX INC.SOLE | COM | 16K | SH | $1.54M 1.81% | 16K | 0.00 | 0.00 |
TWILIO INCSOLE | CL A | 11.57K | SH | $1.46M 1.71% | 11.57K | 0.00 | 0.00 |
KLA CORPSOLE | COM NEW | 960.00 | SH | $1.41M 1.66% | 960.00 | 0.00 | 0.00 |
ALPHABET INCSOLE | CAP STK CL C | 4.65K | SH | $1.33M 1.57% | 4.65K | 0.00 | 0.00 |
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