Summa Corp.

In its 13F for Q3 2024 (holdings as of September 30, 2024, filed October 17, 2024), Summa Corp. reported 64 stock positions worth $208.6 million. Its top holding was Nvidia (NVDA) at 47.7% of the portfolio, followed by Advanced Micro Devices (AMD, 9.7%) and Microsoft (MSFT, 7.1%). Compared with Q2 2024, it opened 7 new positions, sold out of 3, added to 14 and reduced 6. The biggest buy was Alibaba Group Holding-SP ADR (BABA, shares +50%) and the biggest sale Devon Energy (DVN, shares −14%).

Most Recent 13F
Q2 2026
Location
TOMBALL, TX
CIK
0001954929
Portfolio Value
$208.6M (Q3 2024)
SEC Filing
0001214659-24-017623 ↗ filed Oct 17, 2024

Holdings Value

0$100.0M$200.0M$300.0M$400.0M Q1 2024: $183.1M Q1 2024 Q2 2024: $206.3M Q2 2024 Q3 2024: $208.6M $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 64 stocks · $208.6M
NVDA Nvidia Corp. 47.68% 819,110 $99.5M Add +0.5%
AMD Advanced Micro Devices 9.70% 123,300 $20.2M Add +6.0%
MSFT Microsoft Corp. 7.07% 35,418 $14.7M Add +5.9%
QCOM Qualcomm Inc. 4.17% 51,122 $8.7M Add +2.0%
BABA Alibaba Group Holding-SP ADR 3.51% 69,013 $7.3M Add +50.0%
VLO Valero Energy Corp. 3.33% 51,400 $6.9M No change
MRO Marathon Oil Corp. 2.55% 200,000 $5.3M No change
APA Apa Corp. 2.23% 190,000 $4.6M No change
MRVL Marvell Technology Inc. 1.50% 43,369 $3.1M Reduce -0.1%
AAPL Apple Inc. 1.28% 11,477 $2.7M Add +14.0%
BRK.B Berkshire Hathaway Inc. Class B 1.05% 4,762 $2.2M No change
DVN Devon Energy Corp. 0.96% 51,000 $2.0M Reduce -13.6%
UBER Uber Technologies Inc. 0.91% 25,175 $1.9M Reduce -23.4%
AMZN Amazon.com Inc. 0.81% 9,065 $1.7M Reduce -3.6%
OPRT Oportun Financial Corp. 0.76% 563,808 $1.6M No change
GOOGL Alphabet Inc. Class A 0.67% 8,368 $1.4M Add +5.0%
WMT Walmart Inc. 0.64% 16,612 $1.3M No change
UNH Unitedhealth Group Inc. 0.42% 1,497 $875K Add +19.8%
JPM JPMorgan Chase & Co. 0.42% 4,133 $871K Add +0.0%
MA Mastercard Inc. Class A 0.41% 1,736 $857K Reduce -1.3%
ADBE Adobe Inc. 0.40% 1,626 $842K Add +12.1%
TMO Thermo Fisher Scientific Inc. 0.40% 1,356 $839K No change
COST Costco Wholesale Corp. 0.39% 923 $818K No change
XOM Exxon Mobil Corp. 0.37% 6,500 $762K No change
IEI iShares 3-7 Year Treasury Bo 0.37% 6,370 $762K Add +18.6%
O Realty Income Corp. 0.34% 11,250 $713K Add +21.6%
GOOG Alphabet Inc. Class C 0.34% 4,200 $702K Reduce -11.4%
AGG iShares Core U.S. Aggregate 0.33% 6,900 $699K Add +25.4%
IEF iShares 7-10 Year Treasury B 0.33% 6,930 $680K Add +16.9%
LQD Ishr Ibx Usd Invgd CB ETF-Ui 0.30% 5,450 $616K No change
SLQD iShares 0-5 YR Inv GRD Corp. 0.29% 12,000 $605K No change
VYM Vanguard High DVD Yield ETF 0.29% 4,700 $603K No change
VWOB Vanguard Emerg MKTS Gov BND 0.27% 8,500 $564K No change
XBMEX BlackRock Health Sciences 0.26% 13,047 $547K No change
PG The Procter & Gamble Co. 0.25% 3,000 $520K No change
PFF iShares Preferred & Income S 0.25% 15,600 $518K No change
VCSH Vanguard S/T Corp. Bond ETF 0.25% 6,500 $516K No change
SHY iShares 1-3 Year Treasury Bo 0.24% 6,000 $499K No change
WFC Wells Fargo & Co. 0.24% 8,700 $491K No change
JNJ Johnson & Johnson 0.23% 3,020 $489K No change
T AT&T Inc. 0.23% 21,900 $482K No change
TLT iShares 20+ Year Treasury BD 0.23% 4,850 $476K New
BOND PIMCO Active Bond Exchange-T 0.23% 5,000 $473K No change
EPD Enterprise Products Partners 0.22% 15,500 $451K No change
BXMT Blackstone Mortgage Tru Class A 0.21% 23,500 $447K No change
AAXJ iShares MSCI All Country Asi 0.21% 5,500 $431K No change
JPST JPMorgan Ultra-Short Income 0.19% 8,000 $406K No change
SBUX Starbucks Corp. 0.19% 4,000 $390K No change
UAL United Airlines Holdings Inc. 0.18% 6,700 $382K No change
NAD Nuveen Quality Municipal Inc. 0.18% 30,464 $377K No change
NOW ServiceNow Inc. 0.16% 384 $343K No change
FDX FedEx Corp. 0.16% 1,250 $342K No change
V Visa Inc. Class A 0.16% 1,179 $324K No change
QQQ Invesco QQQ Trust Series 1 0.13% 575 $281K No change
TGT Target Corp. 0.13% 1,800 $281K No change
ORCL Oracle Corp. 0.12% 1,517 $258K New
ABT Abbott Laboratories 0.12% 2,213 $252K No change
NFLX Netflix Inc. 0.12% 344 $244K No change
SHOP Shopify Inc. Class A 0.11% 2,978 $239K New
DG Dollar General Corp. 0.11% 2,700 $228K No change
MSCI MSCI Inc. 0.11% 382 $223K New
SOXX iShares Semiconductor ETF 0.10% 950 $219K New
ACN Accenture PLC Class A 0.10% 616 $218K New
ZTS Zoetis Inc. 0.10% 1,037 $203K New

Portfolio Sells Q2 2024 → Q3 2024
DVN Devon Energy Corp. Reduce -13.6% 0.96% −0.40
UBER Uber Technologies Inc. Reduce -23.4% 0.91% −0.25
CRM Salesforce Inc. Sold out 0.00% −0.13
USFR Wisdomtree Floating Rate Tre Sold out 0.00% −0.12
ABNB Airbnb Inc. Class A Sold out 0.00% −0.11
GOOG Alphabet Inc. Class C Reduce -11.4% 0.34% −0.09
AMZN Amazon.com Inc. Reduce -3.6% 0.81% −0.07
MRVL Marvell Technology Inc. Reduce -0.1% 1.50% +0.03
MA Mastercard Inc. Class A Reduce -1.3% 0.41% +0.04

Portfolio Buys Q2 2024 → Q3 2024
BABA Alibaba Group Holding-SP ADR Add +50.0% 3.51% +1.90
AMD Advanced Micro Devices Add +6.0% 9.70% +0.55
AAPL Apple Inc. Add +14.0% 1.28% +0.25
TLT iShares 20+ Year Treasury BD New 0.23% +0.23
ORCL Oracle Corp. New 0.12% +0.12
SHOP Shopify Inc. Class A New 0.11% +0.11
UNH Unitedhealth Group Inc. Add +19.8% 0.42% +0.11
MSCI MSCI Inc. New 0.11% +0.11
O Realty Income Corp. Add +21.6% 0.34% +0.11
SOXX iShares Semiconductor ETF New 0.10% +0.10
ACN Accenture PLC Class A New 0.10% +0.10
ZTS Zoetis Inc. New 0.10% +0.10
AGG iShares Core U.S. Aggregate Add +25.4% 0.33% +0.08
IEI iShares 3-7 Year Treasury Bo Add +18.6% 0.37% +0.06
IEF iShares 7-10 Year Treasury B Add +16.9% 0.33% +0.06
ADBE Adobe Inc. Add +12.1% 0.40% +0.01
JPM JPMorgan Chase & Co. Add +0.0% 0.42% +0.01
GOOGL Alphabet Inc. Class A Add +5.0% 0.67% −0.04
MSFT Microsoft Corp. Add +5.9% 7.07% −0.18
QCOM Qualcomm Inc. Add +2.0% 4.17% −0.67
NVDA Nvidia Corp. Add +0.5% 47.68% −1.15

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