Summa Corp.

In its 13F for Q2 2024 (holdings as of June 30, 2024, filed July 30, 2024), Summa Corp. reported 60 stock positions worth $206.3 million. Its top holding was Nvidia (NVDA) at 48.8% of the portfolio, followed by Advanced Micro Devices (AMD, 9.1%) and Microsoft (MSFT, 7.2%). Compared with Q1 2024, it opened 3 new positions, sold out of 2, added to 10 and reduced 12. The biggest buy was Qualcomm (QCOM, shares +35%) and the biggest sale Marathon Oil (MRO, shares −40%).

Most Recent 13F
Q2 2026
Location
TOMBALL, TX
CIK
0001954929
Portfolio Value
$206.3M (Q2 2024)
SEC Filing
0001214659-24-013139 ↗ filed Jul 30, 2024

Holdings Value

0$100.0M$200.0M$300.0M$400.0M Q1 2024: $183.1M Q1 2024 Q2 2024: $206.3M $206.3M Q2 2024 Q3 2024: $208.6M Q3 2024 Q4 2024: $203.9M Q4 2024 Q1 2025: $172.9M Q1 2025 Q2 2025: $192.4M Q2 2025 Q3 2025: $227.4M Q3 2025 Q4 2025: $233.2M Q4 2025 Q1 2026: $241.9M Q1 2026 Q2 2026: $318.6M Q2 2026

Holdings 60 stocks · $206.3M

NVDA Nvidia Corp. 48.83% 815,420 $100.7M Reduce -1.2%
AMD Advanced Micro Devices 9.14% 116,300 $18.9M Add +4.7%
MSFT Microsoft Corp. 7.24% 33,434 $14.9M Add +3.2%
QCOM Qualcomm Inc. 4.84% 50,122 $10.0M Add +35.0%
VLO Valero Energy Corp. 3.91% 51,400 $8.1M Reduce -16.3%
MRO Marathon Oil Corp. 2.78% 200,000 $5.7M Reduce -40.5%
APA Apa Corp. 2.71% 190,000 $5.6M Reduce -9.9%
BABA Alibaba Group Holding-SP ADR 1.61% 46,013 $3.3M Reduce -6.1%
MRVL Marvell Technology Inc. 1.47% 43,400 $3.0M Reduce -5.5%
DVN Devon Energy Corp. 1.36% 59,000 $2.8M Add +7.3%
UBER Uber Technologies Inc. 1.16% 32,875 $2.4M No change
AAPL Apple Inc. 1.03% 10,066 $2.1M Reduce -1.9%
BRK.B Berkshire Hathaway Inc. Class B 0.94% 4,762 $1.9M No change
AMZN Amazon.com Inc. 0.88% 9,408 $1.8M Reduce -4.5%
OPRT Oportun Financial Corp. 0.79% 563,808 $1.6M No change
GOOGL Alphabet Inc. Class A 0.70% 7,968 $1.5M Add +0.5%
WMT Walmart Inc. 0.55% 16,612 $1.1M Add +0.5%
GOOG Alphabet Inc. Class C 0.42% 4,742 $870K No change
JPM JPMorgan Chase & Co. 0.41% 4,132 $836K Reduce -1.6%
ADBE Adobe Inc. 0.39% 1,451 $806K Add +33.6%
COST Costco Wholesale Corp. 0.38% 923 $785K No change
MA Mastercard Inc. Class A 0.38% 1,758 $776K Add +1.3%
TMO Thermo Fisher Scientific Inc. 0.36% 1,356 $750K Reduce -0.5%
XOM Exxon Mobil Corp. 0.36% 6,500 $748K No change
UNH Unitedhealth Group Inc. 0.31% 1,250 $637K No change
IEI iShares 3-7 Year Treasury Bo 0.30% 5,370 $620K No change
SLQD iShares 0-5 YR Inv GRD Corp. 0.29% 12,000 $591K No change
LQD Ishr Ibx Usd Invgd CB ETF-Ui 0.28% 5,450 $584K No change
VYM Vanguard High DVD Yield ETF 0.27% 4,700 $557K No change
IEF iShares 7-10 Year Treasury B 0.27% 5,930 $555K No change
VWOB Vanguard Emerg MKTS Gov BND 0.26% 8,500 $535K New
AGG iShares Core U.S. Aggregate 0.26% 5,500 $534K Add +37.5%
XBMEX BlackRock Health Sciences 0.26% 13,047 $533K New
WFC Wells Fargo & Co. 0.25% 8,700 $517K No change
VCSH Vanguard S/T Corp. Bond ETF 0.24% 6,500 $502K No change
PG The Procter & Gamble Co. 0.24% 3,000 $495K No change
PFF iShares Preferred & Income S 0.24% 15,600 $492K No change
SHY iShares 1-3 Year Treasury Bo 0.24% 6,000 $490K No change
O Realty Income Corp. 0.24% 9,250 $489K No change
BOND PIMCO Active Bond Exchange-T 0.22% 5,000 $455K Reduce -23.1%
EPD Enterprise Products Partners 0.22% 15,500 $449K No change
JNJ Johnson & Johnson 0.21% 3,020 $441K No change
T AT&T Inc. 0.20% 21,900 $419K Add +0.5%
BXMT Blackstone Mortgage Tru Class A 0.20% 23,500 $409K No change
JPST JPMorgan Ultra-Short Income 0.20% 8,000 $404K No change
AAXJ iShares MSCI All Country Asi 0.19% 5,500 $396K No change
FDX FedEx Corp. 0.18% 1,250 $375K No change
NAD Nuveen Quality Municipal Inc. 0.17% 30,464 $358K New
DG Dollar General Corp. 0.17% 2,700 $357K No change
UAL United Airlines Holdings Inc. 0.16% 6,700 $326K No change
SBUX Starbucks Corp. 0.15% 4,000 $311K No change
V Visa Inc. Class A 0.15% 1,179 $309K No change
NOW ServiceNow Inc. 0.15% 384 $302K No change
CRM Salesforce Inc. 0.13% 1,075 $276K No change
QQQ Invesco QQQ Trust Series 1 0.13% 575 $275K No change
TGT Target Corp. 0.13% 1,800 $266K No change
USFR Wisdomtree Floating Rate Tre 0.12% 4,760 $239K No change
ABNB Airbnb Inc. Class A 0.11% 1,532 $232K No change
NFLX Netflix Inc. 0.11% 344 $232K Reduce -40.7%
ABT Abbott Laboratories 0.11% 2,213 $230K No change

Portfolio Sells Q1 2024 → Q2 2024

MRO Marathon Oil Corp. Reduce -40.5% 2.78% −2.42
VLO Valero Energy Corp. Reduce -16.3% 3.91% −1.82
APA Apa Corp. Reduce -9.9% 2.71% −1.25
BABA Alibaba Group Holding-SP ADR Reduce -6.1% 1.61% −0.33
MRVL Marvell Technology Inc. Reduce -5.5% 1.47% −0.31
EMB iShares JP Morgan Usd Emergi Sold out 0.00% −0.29
ACCENTURE PLC IRELAND Sold out 0.00% −0.12
BOND PIMCO Active Bond Exchange-T Reduce -23.1% 0.22% −0.11
AMZN Amazon.com Inc. Reduce -4.5% 0.88% −0.09
NFLX Netflix Inc. Reduce -40.7% 0.11% −0.08
TMO Thermo Fisher Scientific Inc. Reduce -0.5% 0.36% −0.07
JPM JPMorgan Chase & Co. Reduce -1.6% 0.41% −0.05
AAPL Apple Inc. Reduce -1.9% 1.03% +0.07
NVDA Nvidia Corp. Reduce -1.2% 48.83% +8.09

Portfolio Buys Q1 2024 → Q2 2024

QCOM Qualcomm Inc. Add +35.0% 4.84% +1.41
VWOB Vanguard Emerg MKTS Gov BND New 0.26% +0.26
XBMEX BlackRock Health Sciences New 0.26% +0.26
NAD Nuveen Quality Municipal Inc. New 0.17% +0.17
ADBE Adobe Inc. Add +33.6% 0.39% +0.09
GOOGL Alphabet Inc. Class A Add +0.5% 0.70% +0.05
AGG iShares Core U.S. Aggregate Add +37.5% 0.26% +0.04
WMT Walmart Inc. Add +0.5% 0.55% +0.00
T AT&T Inc. Add +0.5% 0.20% −0.01
MA Mastercard Inc. Class A Add +1.3% 0.38% −0.08
DVN Devon Energy Corp. Add +7.3% 1.36% −0.15
MSFT Microsoft Corp. Add +3.2% 7.24% −0.20
AMD Advanced Micro Devices Add +4.7% 9.14% −1.80

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q2 2026 83$318.6MNVDA, AMD, MRVL, MSFT, SPY
Q1 2026 83$241.9MNVDA, AMD, MSFT, SPY, QUAL
Q4 2025 77$233.2MNVDA, AMD, MSFT, QCOM, IWF
Q3 2025 76$227.4MNVDA, AMD, MSFT, BABA, QCOM
Q2 2025 76$192.4MNVDA, AMD, MSFT, QCOM, IWF
Q1 2025 59$172.9MNVDA, AMD, MSFT, BABA, QCOM
Q4 2024 61$203.9MNVDA, AMD, MSFT, QCOM, VLO
Q3 2024 64$208.6MNVDA, AMD, MSFT, QCOM, BABA
Q2 2024 60$206.3MNVDA, AMD, MSFT, QCOM, VLO
Q1 2024 59$183.1MNVDA, AMD, MSFT, VLO, MRO