Filed: 1/23/2025ACC: 0001214659-25-001191
📋 What this filing means
SUMMA CORP. filed this quarterly 13F‑HR report disclosing 61 equity positions with a total reported market value of $203.91M. This filing provides a transparent view of the manager's long equity holdings as of the quarter end.
61
Positions
$203.91M
Total AUM (reported)
2.26M
Total Shares
Allocation by class
COM$184.48M90.5%
SPONSORED ADS$4.72M2.3%
CL B NEW$2.04M1.0%
CAP STK CL A$1.49M0.7%
CL A$1.46M0.7%
3 7 YR TREAS BD$736.1K0.4%
CAP STK CL C$704.6K0.3%
Portfolio Concentration
Top 3$138.67M68.0%
4–10$33.01M16.2%
11–25$16.85M8.3%
Rest$15.37M7.5%
Top 3 weight
68.0%
Top 10 weight
84.2%
Voting Authority Distribution
Total shares with voting rights: 2.26M
Sole
Full voting authority
2.26M
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)
Sole51
Shared0
Other10
Dominant voting typeSole · 100.0% of voting shares
Institutional Holdings61
Rows:
NVIDIA CORPORATION
SOLEShares810.56K
TypeSH
Market value$108.85M
53.38%
Sole
810.56K
Shared
0.00
None
0.00
ADVANCED MICRO DEVICES INC
SOLEShares127.20K
TypeSH
Market value$15.36M
7.53%
Sole
127.20K
Shared
0.00
None
0.00
MICROSOFT CORP
SOLEShares34.31K
TypeSH
Market value$14.46M
7.09%
Sole
34.31K
Shared
0.00
None
0.00
QUALCOMM INC
SOLEShares51.12K
TypeSH
Market value$7.85M
3.85%
Sole
51.12K
Shared
0.00
None
0.00
VALERO ENERGY CORP
SOLEShares51.40K
TypeSH
Market value$6.30M
3.09%
Sole
51.40K
Shared
0.00
None
0.00
ALIBABA GROUP HLDG LTD
SOLEShares55.67K
TypeSH
Market value$4.72M
2.31%
Sole
55.67K
Shared
0.00
None
0.00
MARVELL TECHNOLOGY INC
SOLEShares42.40K
TypeSH
Market value$4.68M
2.30%
Sole
42.40K
Shared
0.00
None
0.00
APA CORPORATION
SOLEShares190K
TypeSH
Market value$4.39M
2.15%
Sole
190K
Shared
0.00
None
0.00
APPLE INC
SOLEShares11.49K
TypeSH
Market value$2.88M
1.41%
Sole
11.49K
Shared
0.00
None
0.00
OPORTUN FINL CORP
SOLEShares563.81K
TypeSH
Market value$2.19M
1.07%
Sole
563.81K
Shared
0.00
None
0.00
BERKSHIRE HATHAWAY INC DEL
SOLEShares4.50K
TypeSH
Market value$2.04M
1.00%
Sole
4.50K
Shared
0.00
None
0.00
AMAZON COM INC
SOLEShares8.11K
TypeSH
Market value$1.78M
0.87%
Sole
8.11K
Shared
0.00
None
0.00
DEVON ENERGY CORP NEW
SOLEShares51K
TypeSH
Market value$1.67M
0.82%
Sole
51K
Shared
0.00
None
0.00
UBER TECHNOLOGIES INC
SOLEShares25.11K
TypeSH
Market value$1.51M
0.74%
Sole
25.11K
Shared
0.00
None
0.00
ALPHABET INC
SOLEShares7.87K
TypeSH
Market value$1.49M
0.73%
Sole
7.87K
Shared
0.00
None
0.00
WALMART INC
SOLEShares15.61K
TypeSH
Market value$1.41M
0.69%
Sole
15.61K
Shared
0.00
None
0.00
JPMORGAN CHASE & CO.
SOLEShares4.13K
TypeSH
Market value$990.7K
0.49%
Sole
4.13K
Shared
0.00
None
0.00
MASTERCARD INCORPORATED
SOLEShares1.74K
TypeSH
Market value$914.1K
0.45%
Sole
1.74K
Shared
0.00
None
0.00
THERMO FISHER SCIENTIFIC INC
SOLEShares1.46K
TypeSH
Market value$757.5K
0.37%
Sole
1.46K
Shared
0.00
None
0.00
ISHARES TR
SOLEShares6.37K
TypeSH
Market value$736.1K
0.36%
Sole
6.37K
Shared
0.00
None
0.00
UNITEDHEALTH GROUP INC
SOLEShares1.45K
TypeSH
Market value$733.5K
0.36%
Sole
1.45K
Shared
0.00
None
0.00
ADOBE INC
SOLEShares1.63K
TypeSH
Market value$723.0K
0.35%
Sole
1.63K
Shared
0.00
None
0.00
ALPHABET INC
SOLEShares3.70K
TypeSH
Market value$704.6K
0.35%
Sole
3.70K
Shared
0.00
None
0.00
EXXON MOBIL CORP
SOLEShares6.50K
TypeSH
Market value$699.2K
0.34%
Sole
6.50K
Shared
0.00
None
0.00
ISHARES TR
SOLEShares6.45K
TypeSH
Market value$689.1K
0.34%
Sole
6.45K
Shared
0.00
None
0.00
| Issuer | Class | Shares | Type | Value / Portfolio % | Voting — Sole | Shared | None |
|---|---|---|---|---|---|---|---|
NVIDIA CORPORATIONSOLE | COM | 810.56K | SH | $108.85M 53.38% | 810.56K | 0.00 | 0.00 |
ADVANCED MICRO DEVICES INCSOLE | COM | 127.20K | SH | $15.36M 7.53% | 127.20K | 0.00 | 0.00 |
MICROSOFT CORPSOLE | COM | 34.31K | SH | $14.46M 7.09% | 34.31K | 0.00 | 0.00 |
QUALCOMM INCSOLE | COM | 51.12K | SH | $7.85M 3.85% | 51.12K | 0.00 | 0.00 |
VALERO ENERGY CORPSOLE | COM | 51.40K | SH | $6.30M 3.09% | 51.40K | 0.00 | 0.00 |
ALIBABA GROUP HLDG LTDSOLE | SPONSORED ADS | 55.67K | SH | $4.72M 2.31% | 55.67K | 0.00 | 0.00 |
MARVELL TECHNOLOGY INCSOLE | COM | 42.40K | SH | $4.68M 2.30% | 42.40K | 0.00 | 0.00 |
APA CORPORATIONSOLE | COM | 190K | SH | $4.39M 2.15% | 190K | 0.00 | 0.00 |
APPLE INCSOLE | COM | 11.49K | SH | $2.88M 1.41% | 11.49K | 0.00 | 0.00 |
OPORTUN FINL CORPSOLE | COM | 563.81K | SH | $2.19M 1.07% | 563.81K | 0.00 | 0.00 |
BERKSHIRE HATHAWAY INC DELSOLE | CL B NEW | 4.50K | SH | $2.04M 1.00% | 4.50K | 0.00 | 0.00 |
AMAZON COM INCSOLE | COM | 8.11K | SH | $1.78M 0.87% | 8.11K | 0.00 | 0.00 |
DEVON ENERGY CORP NEWSOLE | COM | 51K | SH | $1.67M 0.82% | 51K | 0.00 | 0.00 |
UBER TECHNOLOGIES INCSOLE | COM | 25.11K | SH | $1.51M 0.74% | 25.11K | 0.00 | 0.00 |
ALPHABET INCSOLE | CAP STK CL A | 7.87K | SH | $1.49M 0.73% | 7.87K | 0.00 | 0.00 |
WALMART INCSOLE | COM | 15.61K | SH | $1.41M 0.69% | 15.61K | 0.00 | 0.00 |
JPMORGAN CHASE & CO.SOLE | COM | 4.13K | SH | $990.7K 0.49% | 4.13K | 0.00 | 0.00 |
MASTERCARD INCORPORATEDSOLE | CL A | 1.74K | SH | $914.1K 0.45% | 1.74K | 0.00 | 0.00 |
THERMO FISHER SCIENTIFIC INCSOLE | COM | 1.46K | SH | $757.5K 0.37% | 1.46K | 0.00 | 0.00 |
ISHARES TRSOLE | 3 7 YR TREAS BD | 6.37K | SH | $736.1K 0.36% | 6.37K | 0.00 | 0.00 |
UNITEDHEALTH GROUP INCSOLE | COM | 1.45K | SH | $733.5K 0.36% | 1.45K | 0.00 | 0.00 |
ADOBE INCSOLE | COM | 1.63K | SH | $723.0K 0.35% | 1.63K | 0.00 | 0.00 |
ALPHABET INCSOLE | CAP STK CL C | 3.70K | SH | $704.6K 0.35% | 3.70K | 0.00 | 0.00 |
EXXON MOBIL CORPSOLE | COM | 6.50K | SH | $699.2K 0.34% | 6.50K | 0.00 | 0.00 |
ISHARES TRSOLE | IBOXX INV CP ETF | 6.45K | SH | $689.1K 0.34% | 6.45K | 0.00 | 0.00 |
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