Filed: 7/25/2025ACC: 0001214659-25-010906
📋 What this filing means
SUMMA CORP. filed this quarterly 13F‑HR report disclosing 76 equity positions with a total reported market value of $192.44M. This filing provides a transparent view of the manager's long equity holdings as of the quarter end.
76
Positions
$192.44M
Total AUM (reported)
1.85M
Total Shares
Allocation by class
COM$158.87M82.6%
RUS 1000 GRW ETF$5.03M2.6%
SPONSORED ADS$2.71M1.4%
RUS 1000 VAL ETF$2.60M1.4%
CL B NEW$2.12M1.1%
XTRACK MSCI EAFE$2.11M1.1%
CAP STK CL A$2.00M1.0%
Portfolio Concentration
Top 3$121.66M63.2%
4–10$28.00M14.5%
11–25$21.20M11.0%
Rest$21.59M11.2%
Top 3 weight
63.2%
Top 10 weight
77.8%
Voting Authority Distribution
Total shares with voting rights: 1.85M
Sole
Full voting authority
1.85M
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)
Sole67
Shared0
Other9
Dominant voting typeSole · 100.0% of voting shares
Institutional Holdings76
Rows:
NVIDIA CORPORATION
SOLEShares604.80K
TypeSH
Market value$95.55M
49.65%
Sole
604.80K
Shared
0.00
None
0.00
ADVANCED MICRO DEVICES INC
SOLEShares107.70K
TypeSH
Market value$15.28M
7.94%
Sole
107.70K
Shared
0.00
None
0.00
MICROSOFT CORP
SOLEShares21.76K
TypeSH
Market value$10.82M
5.62%
Sole
21.76K
Shared
0.00
None
0.00
QUALCOMM INC
SOLEShares34K
TypeSH
Market value$5.41M
2.81%
Sole
34K
Shared
0.00
None
0.00
ISHARES TR
SOLEShares11.84K
TypeSH
Market value$5.03M
2.61%
Sole
11.84K
Shared
0.00
None
0.00
AMAZON COM INC
SOLEShares21.80K
TypeSH
Market value$4.78M
2.49%
Sole
21.80K
Shared
0.00
None
0.00
OPORTUN FINL CORP
SOLEShares565.34K
TypeSH
Market value$4.05M
2.10%
Sole
565.34K
Shared
0.00
None
0.00
APPLE INC
SOLEShares16.65K
TypeSH
Market value$3.42M
1.78%
Sole
16.65K
Shared
0.00
None
0.00
ALIBABA GROUP HLDG LTD
SOLEShares23.92K
TypeSH
Market value$2.71M
1.41%
Sole
23.92K
Shared
0.00
None
0.00
ISHARES TR
SOLEShares13.38K
TypeSH
Market value$2.60M
1.35%
Sole
13.38K
Shared
0.00
None
0.00
MARVELL TECHNOLOGY INC
SOLEShares32.60K
TypeSH
Market value$2.52M
1.31%
Sole
32.60K
Shared
0.00
None
0.00
UBER TECHNOLOGIES INC
SOLEShares25.31K
TypeSH
Market value$2.36M
1.23%
Sole
25.31K
Shared
0.00
None
0.00
BERKSHIRE HATHAWAY INC DEL
SOLEShares4.37K
TypeSH
Market value$2.12M
1.10%
Sole
4.37K
Shared
0.00
None
0.00
DBX ETF TR
SOLEShares48.28K
TypeSH
Market value$2.11M
1.10%
Sole
48.28K
Shared
0.00
None
0.00
ALPHABET INC
SOLEShares11.33K
TypeSH
Market value$2.00M
1.04%
Sole
11.33K
Shared
0.00
None
0.00
WALMART INC
SOLEShares15.32K
TypeSH
Market value$1.50M
0.78%
Sole
15.32K
Shared
0.00
None
0.00
SPDR S&P 500 ETF TR
SOLEShares1.81K
TypeSH
Market value$1.12M
0.58%
Sole
1.81K
Shared
0.00
None
0.00
ISHARES INC
SOLEShares25.65K
TypeSH
Market value$1.09M
0.56%
Sole
25.65K
Shared
0.00
None
0.00
JPMORGAN CHASE & CO.
SOLEShares3.60K
TypeSH
Market value$1.04M
0.54%
Sole
3.60K
Shared
0.00
None
0.00
INVESCO QQQ TR
SOLEShares1.88K
TypeSH
Market value$1.04M
0.54%
Sole
1.88K
Shared
0.00
None
0.00
MASTERCARD INCORPORATED
SOLEShares1.74K
TypeSH
Market value$975.5K
0.51%
Sole
1.74K
Shared
0.00
None
0.00
ISHARES TR
SOLEShares7.79K
TypeSH
Market value$928.1K
0.48%
Sole
7.79K
Shared
0.00
None
0.00
ALPHABET INC
SOLEShares4.72K
TypeSH
Market value$836.9K
0.43%
Sole
4.72K
Shared
0.00
None
0.00
ISHARES TR
SOLEShares9.69K
TypeSH
Market value$802.9K
0.42%
Sole
9.69K
Shared
0.00
None
0.00
VANGUARD SCOTTSDALE FDS
SOLEShares9.50K
TypeSH
Market value$755.3K
0.39%
Sole
9.50K
Shared
0.00
None
0.00
| Issuer | Class | Shares | Type | Value / Portfolio % | Voting — Sole | Shared | None |
|---|---|---|---|---|---|---|---|
NVIDIA CORPORATIONSOLE | COM | 604.80K | SH | $95.55M 49.65% | 604.80K | 0.00 | 0.00 |
ADVANCED MICRO DEVICES INCSOLE | COM | 107.70K | SH | $15.28M 7.94% | 107.70K | 0.00 | 0.00 |
MICROSOFT CORPSOLE | COM | 21.76K | SH | $10.82M 5.62% | 21.76K | 0.00 | 0.00 |
QUALCOMM INCSOLE | COM | 34K | SH | $5.41M 2.81% | 34K | 0.00 | 0.00 |
ISHARES TRSOLE | RUS 1000 GRW ETF | 11.84K | SH | $5.03M 2.61% | 11.84K | 0.00 | 0.00 |
AMAZON COM INCSOLE | COM | 21.80K | SH | $4.78M 2.49% | 21.80K | 0.00 | 0.00 |
OPORTUN FINL CORPSOLE | COM | 565.34K | SH | $4.05M 2.10% | 565.34K | 0.00 | 0.00 |
APPLE INCSOLE | COM | 16.65K | SH | $3.42M 1.78% | 16.65K | 0.00 | 0.00 |
ALIBABA GROUP HLDG LTDSOLE | SPONSORED ADS | 23.92K | SH | $2.71M 1.41% | 23.92K | 0.00 | 0.00 |
ISHARES TRSOLE | RUS 1000 VAL ETF | 13.38K | SH | $2.60M 1.35% | 13.38K | 0.00 | 0.00 |
MARVELL TECHNOLOGY INCSOLE | COM | 32.60K | SH | $2.52M 1.31% | 32.60K | 0.00 | 0.00 |
UBER TECHNOLOGIES INCSOLE | COM | 25.31K | SH | $2.36M 1.23% | 25.31K | 0.00 | 0.00 |
BERKSHIRE HATHAWAY INC DELSOLE | CL B NEW | 4.37K | SH | $2.12M 1.10% | 4.37K | 0.00 | 0.00 |
DBX ETF TRSOLE | XTRACK MSCI EAFE | 48.28K | SH | $2.11M 1.10% | 48.28K | 0.00 | 0.00 |
ALPHABET INCSOLE | CAP STK CL A | 11.33K | SH | $2.00M 1.04% | 11.33K | 0.00 | 0.00 |
WALMART INCSOLE | COM | 15.32K | SH | $1.50M 0.78% | 15.32K | 0.00 | 0.00 |
SPDR S&P 500 ETF TRSOLE | TR UNIT | 1.81K | SH | $1.12M 0.58% | 1.81K | 0.00 | 0.00 |
ISHARES INCSOLE | MSCI GERMANY ETF | 25.65K | SH | $1.09M 0.56% | 25.65K | 0.00 | 0.00 |
JPMORGAN CHASE & CO.SOLE | COM | 3.60K | SH | $1.04M 0.54% | 3.60K | 0.00 | 0.00 |
INVESCO QQQ TRSOLE | UNIT SER 1 | 1.88K | SH | $1.04M 0.54% | 1.88K | 0.00 | 0.00 |
MASTERCARD INCORPORATEDSOLE | CL A | 1.74K | SH | $975.5K 0.51% | 1.74K | 0.00 | 0.00 |
ISHARES TRSOLE | 3 7 YR TREAS BD | 7.79K | SH | $928.1K 0.48% | 7.79K | 0.00 | 0.00 |
ALPHABET INCSOLE | CAP STK CL C | 4.72K | SH | $836.9K 0.43% | 4.72K | 0.00 | 0.00 |
ISHARES TRSOLE | 1 3 YR TREAS BD | 9.69K | SH | $802.9K 0.42% | 9.69K | 0.00 | 0.00 |
VANGUARD SCOTTSDALE FDSSOLE | SHRT TRM CORP BD | 9.50K | SH | $755.3K 0.39% | 9.50K | 0.00 | 0.00 |
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