Summa Corp.

In its 13F for Q2 2026 (holdings as of June 30, 2026, filed August 6, 2026), Summa Corp. reported 83 stock positions worth $318.6 million. Its top holding was Nvidia (NVDA) at 37.1% of the portfolio, followed by Advanced Micro Devices (AMD, 21.1%) and Marvell Technology (MRVL, 4.7%). Compared with Q1 2026, it opened 7 new positions, sold out of 7, added to 24 and reduced 19. The biggest buy was Marvell Technology (MRVL, shares +19%) and the biggest sale Nvidia (NVDA, shares −7%).

Most Recent 13F
Q2 2026
Location
TOMBALL, TX
CIK
0001954929
Portfolio Value
$318.6M (Q2 2026)
SEC Filing
0001214659-26-009701 ↗ filed Aug 6, 2026

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 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 $318.6M Q2 2026

Holdings 83 stocks · $318.6M

NVDA Nvidia Corp. 37.06% 590,160 $118.1M Reduce -7.1%
AMD Advanced Micro Devices 21.06% 115,529 $67.1M Reduce -5.7%
MRVL Marvell Technology Inc. 4.67% 50,000 $14.9M Add +19.1%
MSFT Microsoft Corp. 2.69% 22,948 $8.6M Add +1.0%
SPY SS SPDR S&P 500 ETF Trust-US 2.57% 10,966 $8.2M Reduce -0.3%
IWF iShares Russell 1000 Growth 2.24% 57,588 $7.2M Add +28.7%
QCOM Qualcomm Inc. 2.03% 35,000 $6.5M Add +2.9%
QUAL iShares MSCI USA Quality Fac 1.95% 28,300 $6.2M No change
AMZN Amazon.com Inc. 1.67% 22,339 $5.3M Add +4.7%
VOO Vanguard S&P 500 ETF 1.53% 7,104 $4.9M Add +2.8%
DBEF Xtrackers MSCI Eafe Hedged E 1.47% 85,816 $4.7M Add +9.3%
IWD iShares Russell 1000 Value E 1.43% 18,766 $4.5M Add +40.3%
GINN Goldman Sachs Innovate Eqty 1.36% 55,150 $4.3M Add +55.2%
GOOGL Alphabet Inc. Class A 1.11% 9,928 $3.5M Reduce -3.5%
AAPL Apple Inc. 1.10% 12,060 $3.5M Reduce -3.8%
BRK.B Berkshire Hathaway Inc. Class B 0.84% 5,367 $2.7M Add +5.9%
VEA Vanguard Ftse Developed ETF 0.74% 33,181 $2.4M No change
UBER Uber Technologies Inc. 0.59% 25,929 $1.9M Reduce -0.8%
OPRT Oportun Financial Corp. 0.53% 293,266 $1.7M Reduce -26.1%
GOOG Alphabet Inc. Class C 0.52% 4,706 $1.7M Reduce -3.0%
WMT Walmart Inc. 0.52% 14,537 $1.6M Reduce -0.5%
TSM Taiwan Semiconductor-SP ADR 0.51% 3,400 $1.6M Reduce -5.6%
QQQ Invesco QQQ Trust Series 1 0.45% 1,943 $1.4M Add +8.2%
VLO Valero Energy Corp. 0.44% 5,400 $1.4M No change
GLD SPDR Gold Shares 0.44% 3,788 $1.4M No change
VB Vanguard Most SM-Cap ETF-Usd 0.44% 4,577 $1.4M No change
IEF iShares 7-10 Year Treasury B 0.41% 13,827 $1.3M No change
SHY iShares 1-3 Year Treasury Bo 0.41% 15,714 $1.3M Add +12.4%
MINT PIMCO Enhanced Short Maturit 0.39% 12,450 $1.3M Add +48.2%
JPM JPMorgan Chase & Co. 0.37% 3,600 $1.2M Reduce -5.3%
EMB iShares JP Morgan Usd Emergi 0.37% 12,175 $1.2M No change
SLQD iShares 0-5 YR Inv GRD Corp. 0.28% 18,000 $907K Add +21.6%
XOM Exxon Mobil Corp. 0.28% 6,600 $902K No change
AGG iShares Core U.S. Aggregate 0.27% 8,550 $846K Add +21.3%
IDV iShares International Select 0.26% 20,022 $830K Add +127.2%
AVGO Broadcom Inc. 0.24% 2,000 $756K Reduce -19.2%
VCSH Vanguard S/T Corp. Bond ETF 0.24% 9,500 $751K No change
JNJ Johnson & Johnson 0.23% 2,910 $739K Reduce -3.6%
IEI iShares 3-7 Year Treasury Bo 0.23% 6,170 $725K Reduce -25.5%
TIP iShares Tips Bond ETF 0.22% 6,430 $704K No change
MRK Merck & Co. Inc. 0.22% 5,360 $689K No change
VWOB Vanguard Emerg MKTS Gov BND 0.21% 10,000 $672K No change
AAXJ iShares MSCI All Country Asi 0.21% 5,500 $656K No change
BIL SS SPDR BB 1-3M T-Bill ETF 0.20% 7,100 $651K Add +0.1%
O Realty Income Corp. 0.20% 10,500 $651K No change
VYM Vanguard High DVD Yield ETF 0.20% 4,000 $632K No change
TMO Thermo Fisher Scientific Inc. 0.20% 1,253 $628K Add +25.3%
IWO iShares Russell 2000 Growth 0.20% 1,585 $624K Add +27.5%
ABBV Abbvie Inc. 0.19% 2,400 $604K No change
META Meta Platforms Inc. Class A 0.19% 1,058 $596K Add +8.8%
VGT Vanguard Info Tech ETF 0.18% 4,796 $573K Add +24.4%
MA Mastercard Inc. Class A 0.18% 1,115 $573K Reduce -35.4%
EPD Enterprise Products Partners 0.18% 15,500 $570K No change
SOXX iShares Semiconductor ETF 0.18% 1,120 $565K No change
USFR Wisdomtree Floating Rate Tre 0.17% 11,030 $556K Add +169.7%
WFC Wells Fargo & Co. 0.17% 6,500 $537K No change
PYLD PIMCO Multisector Bond Actv 0.17% 20,000 $530K No change
VCLT Vanguard Long-Term Corp. Bond 0.17% 7,000 $527K No change
EEMA iShares MSCI Emerg MRKT Asia 0.15% 4,086 $478K No change
PG The Procter & Gamble Co. 0.14% 3,000 $440K No change
MDY State Street SPDR S&P Midcap 0.13% 600 $422K No change
XLV SS Health Care Select Sector 0.13% 2,600 $413K No change
BABA Alibaba Group Holding-SP ADR 0.12% 4,079 $392K No change
EFA iShares MSCI Eafe ETF 0.12% 3,601 $374K New
CRM Salesforce Inc. 0.11% 2,218 $347K Reduce -13.7%
T AT&T Inc. 0.10% 16,000 $331K Add +166.7%
V Visa Inc. Class A 0.10% 963 $330K No change
RSP Invesco S&P 500 Equal Weight 0.10% 1,536 $327K Add +23.4%
BMNR Bitmine Immersion Technologi 0.10% 24,000 $319K No change
DE Deere & Co. 0.10% 490 $311K No change
MU Micron Technology Inc. 0.10% 265 $306K New
EWJ iShares MSCI Japan ETF 0.10% 3,265 $305K No change
IWN iShares Russell 2000 Value E 0.09% 1,299 $287K New
QTEC First Trust Nasdq 100 Tech I 0.09% 962 $287K No change
GTEK GS Future Tech Leaders Eq 0.09% 4,500 $283K New
COST Costco Wholesale Corp. 0.09% 300 $281K Reduce -40.0%
ASML ASML Holding NV-NY Reg SHS filed as ASML HLDG NV 0.08% 133 $265K New
CIBR First Trust Nasdaq Cybersecu 0.07% 2,500 $230K New
IRM Iron Mountain Inc. filed as IRON MTN INC DEL 0.07% 1,800 $227K New
CX Cemex Sab-Spons ADR Part Cer 0.07% 18,230 $219K No change
IVV iShares Core S&P 500 ETF 0.06% 275 $206K Reduce -16.9%
AXP American Express Co. 0.06% 600 $203K Reduce -34.1%
ISTB iShares Core 1-5 Year Usd Bo 0.06% 4,200 $203K No change

Portfolio Sells Q1 2026 → Q2 2026

NVDA Nvidia Corp. Reduce -7.1% 37.06% −8.72
SPY SS SPDR S&P 500 ETF Trust-US Reduce -0.3% 2.57% −0.39
WMT Walmart Inc. Reduce -0.5% 0.52% −0.23
OPRT Oportun Financial Corp. Reduce -26.1% 0.53% −0.23
AAPL Apple Inc. Reduce -3.8% 1.10% −0.22
UBER Uber Technologies Inc. Reduce -0.8% 0.59% −0.19
ORCL Oracle Corp. Sold out 0.00% −0.19
IEI iShares 3-7 Year Treasury Bo Reduce -25.5% 0.23% −0.18
MA Mastercard Inc. Class A Reduce -35.4% 0.18% −0.18
LLY Eli Lilly & Co. Sold out 0.00% −0.14
COST Costco Wholesale Corp. Reduce -40.0% 0.09% −0.12
GOOGL Alphabet Inc. Class A Reduce -3.5% 1.11% −0.11
HON Honeywell International Inc. Sold out 0.00% −0.10
SHOP Shopify Inc. Class A Sold out 0.00% −0.10
JPM JPMorgan Chase & Co. Reduce -5.3% 0.37% −0.09
CRM Salesforce Inc. Reduce -13.7% 0.11% −0.09
ZTS Zoetis Inc. Sold out 0.00% −0.09
ILF iShares Latin America 40 ETF Sold out 0.00% −0.08
MSCI MSCI Inc. Sold out 0.00% −0.08
AVGO Broadcom Inc. Reduce -19.2% 0.24% −0.08
JNJ Johnson & Johnson Reduce -3.6% 0.23% −0.07
GOOG Alphabet Inc. Class C Reduce -3.0% 0.52% −0.05
AXP American Express Co. Reduce -34.1% 0.06% −0.05
IVV iShares Core S&P 500 ETF Reduce -16.9% 0.06% −0.02
TSM Taiwan Semiconductor-SP ADR Reduce -5.6% 0.51% +0.01
AMD Advanced Micro Devices Reduce -5.7% 21.06% +10.76

Portfolio Buys Q1 2026 → Q2 2026

MRVL Marvell Technology Inc. Add +19.1% 4.67% +2.96
GINN Goldman Sachs Innovate Eqty Add +55.2% 1.36% +0.36
IWF iShares Russell 1000 Growth Add +28.7% 2.24% +0.27
IWD iShares Russell 1000 Value E Add +40.3% 1.43% +0.25
QCOM Qualcomm Inc. Add +2.9% 2.03% +0.22
EFA iShares MSCI Eafe ETF New 0.12% +0.12
IDV iShares International Select Add +127.2% 0.26% +0.11
MU Micron Technology Inc. New 0.10% +0.10
IWN iShares Russell 2000 Value E New 0.09% +0.09
USFR Wisdomtree Floating Rate Tre Add +169.7% 0.17% +0.09
GTEK GS Future Tech Leaders Eq New 0.09% +0.09
ASML ASML Holding NV-NY Reg SHS New 0.08% +0.08
CIBR First Trust Nasdaq Cybersecu New 0.07% +0.07
IRM Iron Mountain Inc. New 0.07% +0.07
MINT PIMCO Enhanced Short Maturit Add +48.2% 0.39% +0.04
VGT Vanguard Info Tech ETF Add +24.4% 0.18% +0.04
IWO iShares Russell 2000 Growth Add +27.5% 0.20% +0.03
QQQ Invesco QQQ Trust Series 1 Add +8.2% 0.45% +0.02
RSP Invesco S&P 500 Equal Weight Add +23.4% 0.10% +0.00
TMO Thermo Fisher Scientific Inc. Add +25.3% 0.20% −0.01
AGG iShares Core U.S. Aggregate Add +21.3% 0.27% −0.02
SLQD iShares 0-5 YR Inv GRD Corp. Add +21.6% 0.28% −0.02
META Meta Platforms Inc. Class A Add +8.8% 0.19% −0.04
BIL SS SPDR BB 1-3M T-Bill ETF Add +0.1% 0.20% −0.06
SHY iShares 1-3 Year Treasury Bo Add +12.4% 0.41% −0.07
T AT&T Inc. Add +166.7% 0.10% −0.09
DBEF Xtrackers MSCI Eafe Hedged E Add +9.3% 1.47% −0.13
BRK.B Berkshire Hathaway Inc. Class B Add +5.9% 0.84% −0.16
AMZN Amazon.com Inc. Add +4.7% 1.67% −0.17
VOO Vanguard S&P 500 ETF Add +2.8% 1.53% −0.18
MSFT Microsoft Corp. Add +1.0% 2.69% −0.79

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