Summa Corp.

In its 13F for Q4 2025 (holdings as of December 31, 2025, filed January 21, 2026), Summa Corp. reported 77 stock positions worth $233.2 million. Its top holding was Nvidia (NVDA) at 50.8% of the portfolio, followed by Advanced Micro Devices (AMD, 11.2%) and Microsoft (MSFT, 4.6%). Compared with Q3 2025, it opened 8 new positions, sold out of 7, added to 21 and reduced 23. The biggest buy was Nvidia (NVDA, shares +3%) and the biggest sale Alibaba Group Holding-SP ADR (BABA, shares −88%).

Most Recent 13F
Q2 2026
Location
TOMBALL, TX
CIK
0001954929
Portfolio Value
$233.2M (Q4 2025)
SEC Filing
0001214659-26-000679 ↗ filed Jan 21, 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 $233.2M Q4 2025 Q1 2026: $241.9M Q1 2026 Q2 2026: $318.6M Q2 2026

Holdings 77 stocks · $233.2M
NVDA Nvidia Corp. 50.80% 635,153 $118.5M Add +3.3%
AMD Advanced Micro Devices 11.18% 121,770 $26.1M Reduce -6.1%
MSFT Microsoft Corp. 4.59% 22,131 $10.7M Reduce -3.3%
QCOM Qualcomm Inc. 2.57% 35,000 $6.0M No change
IWF iShares Russell 1000 Growth 2.24% 11,026 $5.2M Reduce -4.6%
AMZN Amazon.com Inc. 2.09% 21,092 $4.9M Reduce -1.6%
AAPL Apple Inc. 1.49% 12,749 $3.5M Reduce -0.0%
MRVL Marvell Technology Inc. 1.46% 40,000 $3.4M Add +5.3%
GOOGL Alphabet Inc. Class A 1.44% 10,708 $3.4M Reduce -3.0%
IWD iShares Russell 1000 Value E 1.21% 13,379 $2.8M No change
BRK.B Berkshire Hathaway Inc. Class B 1.05% 4,851 $2.4M Add +5.4%
DBEF Xtrackers MSCI Eafe Hedged E 0.94% 45,628 $2.2M Reduce -3.0%
OPRT Oportun Financial Corp. 0.90% 396,766 $2.1M Reduce -11.8%
UBER Uber Technologies Inc. 0.88% 25,000 $2.0M Reduce -0.8%
GLD SPDR Gold Shares 0.82% 4,809 $1.9M No change
WMT Walmart Inc. 0.76% 15,851 $1.8M Add +1.8%
GOOG Alphabet Inc. Class C 0.66% 4,922 $1.5M Add +6.0%
IEF iShares 7-10 Year Treasury B 0.57% 13,912 $1.3M Add +17.4%
JPM JPMorgan Chase & Co. 0.53% 3,800 $1.2M Add +5.6%
EMB iShares JP Morgan Usd Emergi 0.50% 12,175 $1.2M Add +117.8%
QQQ Invesco QQQ Trust Series 1 0.49% 1,846 $1.1M Add +10.1%
SPY SS SPDR S&P 500 ETF Trust-US 0.49% 1,660 $1.1M Reduce -5.5%
TSM Taiwan Semiconductor-SP ADR 0.47% 3,600 $1.1M Add +5.6%
IEI iShares 3-7 Year Treasury Bo 0.44% 8,624 $1.0M No change
MA Mastercard Inc. Class A 0.42% 1,725 $985K Reduce -0.6%
AVGO Broadcom Inc. 0.38% 2,591 $897K Reduce -2.7%
SHY iShares 1-3 Year Treasury Bo 0.38% 10,690 $885K Add +10.3%
MINT PIMCO Enhanced Short Maturit 0.38% 8,800 $883K Add +29.4%
VLO Valero Energy Corp. 0.38% 5,400 $879K No change
XOM Exxon Mobil Corp. 0.36% 7,000 $842K No change
VCSH Vanguard S/T Corp. Bond ETF 0.32% 9,500 $757K No change
SLQD iShares 0-5 YR Inv GRD Corp. 0.32% 14,800 $750K No change
CRM Salesforce Inc. 0.31% 2,709 $718K Add +52.2%
TIP iShares Tips Bond ETF 0.30% 6,430 $707K No change
AGG iShares Core U.S. Aggregate 0.30% 7,050 $704K No change
VWOB Vanguard Emerg MKTS Gov BND 0.29% 10,000 $674K No change
BMNR Bitmine Immersion Technologi 0.28% 24,000 $652K Add +14.3%
JNJ Johnson & Johnson 0.28% 3,134 $649K Add +3.8%
BIL SS SPDR BB 1-3M T-Bill ETF 0.27% 7,011 $641K Add +33.8%
WFC Wells Fargo & Co. 0.27% 6,835 $637K Add +0.1%
IDV iShares International Select 0.26% 15,588 $615K New
BABA Alibaba Group Holding-SP ADR 0.26% 4,079 $598K Reduce -87.7%
O Realty Income Corp. 0.25% 10,500 $592K No change
META Meta Platforms Inc. Class A 0.25% 884 $584K New
TMO Thermo Fisher Scientific Inc. 0.25% 1,000 $579K No change
USFR Wisdomtree Floating Rate Tre 0.25% 11,450 $576K Add +78.9%
VYM Vanguard High DVD Yield ETF 0.25% 4,000 $574K No change
MRK Merck & Co. Inc. 0.24% 5,360 $564K Add +9.8%
ABBV Abbvie Inc. 0.24% 2,400 $548K Reduce -4.0%
AAXJ iShares MSCI All Country Asi 0.22% 5,500 $512K No change
EPD Enterprise Products Partners 0.21% 15,500 $497K No change
LQD Ishr Ibx Usd Invgd CB ETF-Ui 0.21% 4,425 $488K Reduce -31.1%
PG The Procter & Gamble Co. 0.19% 3,119 $447K Reduce -0.0%
COST Costco Wholesale Corp. 0.18% 500 $431K Reduce -8.1%
ORCL Oracle Corp. 0.17% 2,082 $406K No change
IWO iShares Russell 2000 Growth 0.17% 1,243 $402K No change
LLY Eli Lilly & Co. 0.17% 372 $400K Reduce -1.6%
T AT&T Inc. 0.17% 16,000 $397K No change
EEMA iShares MSCI Emerg MRKT Asia 0.17% 4,086 $385K New
SOXX iShares Semiconductor ETF 0.16% 1,220 $367K New
MDY State Street SPDR S&P Midcap 0.16% 600 $362K No change
PYLD PIMCO Multisector Bond Actv 0.15% 13,000 $347K New
V Visa Inc. Class A 0.14% 963 $338K No change
SHOP Shopify Inc. Class A 0.14% 2,051 $330K New
VCLT Vanguard Long-Term Corp. Bond 0.13% 4,000 $303K New
AXP American Express Co. 0.13% 810 $300K No change
NOW ServiceNow Inc. 0.11% 1,745 $267K Add +36.3%
VGT Vanguard Info Tech ETF 0.11% 345 $260K Reduce -22.5%
GINN Goldman Sachs Innovate Eqty 0.10% 3,350 $245K No change
HON Honeywell International Inc. 0.10% 1,211 $236K Add +0.1%
DE Deere & Co. 0.10% 490 $228K No change
QTEC First Trust Nasdq 100 Tech I 0.10% 962 $223K No change
ZTS Zoetis Inc. 0.09% 1,739 $219K Reduce -1.4%
MSCI MSCI Inc. 0.09% 372 $213K Reduce -2.6%
VOOG Vanguard S&P 500 Growth ETF 0.09% 461 $205K Reduce -50.3%
NAD Nuveen Quality Municipal Inc. 0.09% 16,900 $203K Reduce -44.5%
VTEB Vanguard Tax-Exempt Bond ETF 0.09% 4,000 $201K New

Portfolio Sells Q3 2025 → Q4 2025
BABA Alibaba Group Holding-SP ADR Reduce -87.7% 0.26% −2.35
MSFT Microsoft Corp. Reduce -3.3% 4.59% −0.62
OPRT Oportun Financial Corp. Reduce -11.8% 0.90% −0.32
UBER Uber Technologies Inc. Reduce -0.8% 0.88% −0.21
ADBE Adobe Inc. Sold out 0.00% −0.20
UNH Unitedhealth Group Inc. Sold out 0.00% −0.19
SHV iShares 0-1 Year Treasury Bo Sold out 0.00% −0.17
IWF iShares Russell 1000 Growth Reduce -4.6% 2.24% −0.14
LQD Ishr Ibx Usd Invgd CB ETF-Ui Reduce -31.1% 0.21% −0.11
IVV iShares Core S&P 500 ETF Sold out 0.00% −0.10
ABT Abbott Laboratories Sold out 0.00% −0.10
BXMT Blackstone Mortgage Tru Class A Sold out 0.00% −0.09
ISTB iShares Core 1-5 Year Usd Bo Sold out 0.00% −0.09
VOOG Vanguard S&P 500 Growth ETF Reduce -50.3% 0.09% −0.09
NAD Nuveen Quality Municipal Inc. Reduce -44.5% 0.09% −0.07
COST Costco Wholesale Corp. Reduce -8.1% 0.18% −0.04
VGT Vanguard Info Tech ETF Reduce -22.5% 0.11% −0.03
SPY SS SPDR S&P 500 ETF Trust-US Reduce -5.5% 0.49% −0.03
ZTS Zoetis Inc. Reduce -1.4% 0.09% −0.02
ABBV Abbvie Inc. Reduce -4.0% 0.24% −0.02
PG The Procter & Gamble Co. Reduce -0.0% 0.19% −0.02
DBEF Xtrackers MSCI Eafe Hedged E Reduce -3.0% 0.94% −0.02
MA Mastercard Inc. Class A Reduce -0.6% 0.42% −0.01
MSCI MSCI Inc. Reduce -2.6% 0.09% −0.00
AVGO Broadcom Inc. Reduce -2.7% 0.38% −0.00
AMZN Amazon.com Inc. Reduce -1.6% 2.09% +0.02
LLY Eli Lilly & Co. Reduce -1.6% 0.17% +0.04
AAPL Apple Inc. Reduce -0.0% 1.49% +0.06
GOOGL Alphabet Inc. Class A Reduce -3.0% 1.44% +0.26
AMD Advanced Micro Devices Reduce -6.1% 11.18% +1.96

Portfolio Buys Q3 2025 → Q4 2025
NVDA Nvidia Corp. Add +3.3% 50.80% +0.38
EMB iShares JP Morgan Usd Emergi Add +117.8% 0.50% +0.27
IDV iShares International Select New 0.26% +0.26
META Meta Platforms Inc. Class A New 0.25% +0.25
GOOG Alphabet Inc. Class C Add +6.0% 0.66% +0.17
EEMA iShares MSCI Emerg MRKT Asia New 0.17% +0.17
SOXX iShares Semiconductor ETF New 0.16% +0.16
PYLD PIMCO Multisector Bond Actv New 0.15% +0.15
SHOP Shopify Inc. Class A New 0.14% +0.14
VCLT Vanguard Long-Term Corp. Bond New 0.13% +0.13
CRM Salesforce Inc. Add +52.2% 0.31% +0.12
USFR Wisdomtree Floating Rate Tre Add +78.9% 0.25% +0.11
VTEB Vanguard Tax-Exempt Bond ETF New 0.09% +0.09
MINT PIMCO Enhanced Short Maturit Add +29.4% 0.38% +0.08
IEF iShares 7-10 Year Treasury B Add +17.4% 0.57% +0.07
BIL SS SPDR BB 1-3M T-Bill ETF Add +33.8% 0.27% +0.06
MRK Merck & Co. Inc. Add +9.8% 0.24% +0.06
MRVL Marvell Technology Inc. Add +5.3% 1.46% +0.05
WMT Walmart Inc. Add +1.8% 0.76% +0.05
TSM Taiwan Semiconductor-SP ADR Add +5.6% 0.47% +0.05
QQQ Invesco QQQ Trust Series 1 Add +10.1% 0.49% +0.04
JNJ Johnson & Johnson Add +3.8% 0.28% +0.03
BRK.B Berkshire Hathaway Inc. Class B Add +5.4% 1.05% +0.03
SHY iShares 1-3 Year Treasury Bo Add +10.3% 0.38% +0.03
JPM JPMorgan Chase & Co. Add +5.6% 0.53% +0.03
WFC Wells Fargo & Co. Add +0.1% 0.27% +0.02
NOW ServiceNow Inc. Add +36.3% 0.11% +0.01
HON Honeywell International Inc. Add +0.1% 0.10% −0.01
BMNR Bitmine Immersion Technologi Add +14.3% 0.28% −0.20

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