Summa Corp.

In its 13F for Q1 2024 (holdings as of March 31, 2024, filed April 23, 2024), Summa Corp. reported 59 stock positions worth $183.1 million. Its top holding was Nvidia (NVDA) at 40.7% of the portfolio, followed by Advanced Micro Devices (AMD, 10.9%) and Microsoft (MSFT, 7.4%). Compared with Q4 2023, it opened 2 new positions, sold out of 3, added to 16 and reduced 12. The biggest buy was Nvidia (NVDA, shares +6%) and the biggest sale an exit from Ovintiv (OVV).

Most Recent 13F
Q2 2026
Location
TOMBALL, TX
CIK
0001954929
Portfolio Value
$183.1M (Q1 2024)
SEC Filing
0001214659-24-007353 ↗ filed Apr 23, 2024

Holdings Value

0$100.0M$200.0M$300.0M$400.0M Q1 2024: $183.1M $183.1M Q1 2024 Q2 2024: $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 59 stocks · $183.1M

NVDA Nvidia Corp. 40.74% 82,542 $74.6M Add +5.9%
AMD Advanced Micro Devices 10.95% 111,034 $20.0M Reduce -2.6%
MSFT Microsoft Corp. 7.44% 32,390 $13.6M Add +1.9%
VLO Valero Energy Corp. 5.72% 61,400 $10.5M Add +8.9%
MRO Marathon Oil Corp. 5.20% 336,000 $9.5M Add +3.7%
APA Apa Corp. 3.96% 211,000 $7.3M No change
QCOM Qualcomm Inc. 3.43% 37,122 $6.3M Reduce -13.4%
BABA Alibaba Group Holding-SP ADR 1.94% 49,024 $3.5M Reduce -0.1%
MRVL Marvell Technology Inc. 1.78% 45,900 $3.3M Reduce -0.9%
DVN Devon Energy Corp. 1.51% 55,000 $2.8M No change
UBER Uber Technologies Inc. 1.38% 32,875 $2.5M Reduce -32.2%
BRK.B Berkshire Hathaway Inc. Class B 1.09% 4,762 $2.0M No change
AMZN Amazon.com Inc. 0.97% 9,855 $1.8M Reduce -0.6%
AAPL Apple Inc. 0.96% 10,264 $1.8M Add +3.3%
OPRT Oportun Financial Corp. 0.75% 563,808 $1.4M No change
GOOGL Alphabet Inc. Class A 0.65% 7,929 $1.2M Add +1.9%
WMT Walmart Inc. 0.54% 16,537 $995K Add +0.1%
JPM JPMorgan Chase & Co. 0.46% 4,197 $841K Reduce -14.4%
MA Mastercard Inc. Class A 0.46% 1,736 $836K Reduce -26.4%
TMO Thermo Fisher Scientific Inc. 0.43% 1,363 $792K Add +73.2%
XOM Exxon Mobil Corp. 0.41% 6,500 $756K No change
GOOG Alphabet Inc. Class C 0.39% 4,742 $722K Add +0.5%
COST Costco Wholesale Corp. 0.37% 923 $676K No change
IEI iShares 3-7 Year Treasury Bo 0.34% 5,370 $622K Add +38.8%
UNH Unitedhealth Group Inc. 0.34% 1,250 $618K Add +31.6%
BOND PIMCO Active Bond Exchange-T 0.33% 6,500 $597K No change
LQD Ishr Ibx Usd Invgd CB ETF-Ui 0.32% 5,450 $594K No change
SLQD iShares 0-5 YR Inv GRD Corp. 0.32% 12,000 $591K No change
VYM Vanguard High DVD Yield ETF 0.31% 4,700 $569K No change
IEF iShares 7-10 Year Treasury B 0.31% 5,930 $561K Add +33.9%
ADBE Adobe Inc. 0.30% 1,086 $548K Reduce -29.8%
EMB iShares JP Morgan Usd Emergi 0.29% 6,000 $538K No change
WFC Wells Fargo & Co. 0.28% 8,700 $504K No change
PFF iShares Preferred & Income S 0.27% 15,600 $503K No change
VCSH Vanguard S/T Corp. Bond ETF 0.27% 6,500 $503K No change
O Realty Income Corp. 0.27% 9,250 $500K No change
SHY iShares 1-3 Year Treasury Bo 0.27% 6,000 $491K No change
PG The Procter & Gamble Co. 0.27% 3,000 $487K No change
JNJ Johnson & Johnson 0.26% 3,020 $478K No change
BXMT Blackstone Mortgage Tru Class A 0.26% 23,500 $468K No change
EPD Enterprise Products Partners 0.25% 15,500 $452K No change
DG Dollar General Corp. 0.23% 2,700 $421K No change
JPST JPMorgan Ultra-Short Income 0.22% 8,000 $404K No change
AGG iShares Core U.S. Aggregate 0.21% 4,000 $392K New
T AT&T Inc. 0.21% 21,800 $384K Reduce -7.3%
AAXJ iShares MSCI All Country Asi 0.20% 5,500 $373K No change
SBUX Starbucks Corp. 0.20% 4,000 $366K No change
FDX FedEx Corp. 0.20% 1,250 $362K No change
NFLX Netflix Inc. 0.19% 580 $352K Reduce -35.6%
V Visa Inc. Class A 0.18% 1,179 $329K Add +22.2%
CRM Salesforce Inc. 0.18% 1,075 $324K Add +0.1%
UAL United Airlines Holdings Inc. 0.18% 6,700 $321K No change
TGT Target Corp. 0.17% 1,800 $319K No change
NOW ServiceNow Inc. 0.16% 384 $293K Reduce -28.8%
QQQ Invesco QQQ Trust Series 1 0.14% 575 $255K No change
ABNB Airbnb Inc. Class A 0.14% 1,532 $253K Add +0.9%
ABT Abbott Laboratories 0.14% 2,213 $252K New
USFR Wisdomtree Floating Rate Tre 0.13% 4,760 $239K No change
ACCENTURE PLC IRELAND 0.12% 616 $214K Add +0.3%

Portfolio Sells Q4 2023 → Q1 2024

OVV Ovintiv Inc. Sold out 0.00% −2.77
MPC Marathon Petroleum Corp. Sold out 0.00% −1.56
QCOM Qualcomm Inc. Reduce -13.4% 3.43% −0.91
AMD Advanced Micro Devices Reduce -2.6% 10.95% −0.81
BABA Alibaba Group Holding-SP ADR Reduce -0.1% 1.94% −0.72
UBER Uber Technologies Inc. Reduce -32.2% 1.38% −0.71
XBMEX BlackRock Health Sciences Sold out 0.00% −0.37
ADBE Adobe Inc. Reduce -29.8% 0.30% −0.35
MA Mastercard Inc. Class A Reduce -26.4% 0.46% −0.25
MRVL Marvell Technology Inc. Reduce -0.9% 1.78% −0.18
JPM JPMorgan Chase & Co. Reduce -14.4% 0.46% −0.12
NFLX Netflix Inc. Reduce -35.6% 0.19% −0.11
NOW ServiceNow Inc. Reduce -28.8% 0.16% −0.11
AMZN Amazon.com Inc. Reduce -0.6% 0.97% −0.08
T AT&T Inc. Reduce -7.3% 0.21% −0.07

Portfolio Buys Q4 2023 → Q1 2024

NVDA Nvidia Corp. Add +5.9% 40.74% +13.74
VLO Valero Energy Corp. Add +8.9% 5.72% +0.60
AGG iShares Core U.S. Aggregate New 0.21% +0.21
TMO Thermo Fisher Scientific Inc. Add +73.2% 0.43% +0.14
ABT Abbott Laboratories New 0.14% +0.14
IEI iShares 3-7 Year Treasury Bo Add +38.8% 0.34% +0.02
IEF iShares 7-10 Year Treasury B Add +33.9% 0.31% +0.01
V Visa Inc. Class A Add +22.2% 0.18% +0.00
ABNB Airbnb Inc. Class A Add +0.9% 0.14% −0.01
UNH Unitedhealth Group Inc. Add +31.6% 0.34% −0.01
CRM Salesforce Inc. Add +0.1% 0.18% −0.02
ACCENTURE PLC IRELAND Add +0.3% 0.12% −0.03
WMT Walmart Inc. Add +0.1% 0.54% −0.06
GOOG Alphabet Inc. Class C Add +0.5% 0.39% −0.07
GOOGL Alphabet Inc. Class A Add +1.9% 0.65% −0.11
MRO Marathon Oil Corp. Add +3.7% 5.20% −0.27
AAPL Apple Inc. Add +3.3% 0.96% −0.38
MSFT Microsoft Corp. Add +1.9% 7.44% −0.92

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