Q2 2026 13F · SEC CIK 1954929

Summa Corp.

Wealth managerFiled 2026-08-06 for Q2 2026. Open the filing ↗ · All SEC filings ↗

Reported 13F value: $318.6M
Reported positions: 83
Top holdings a year, 3 yrs: +39.9%
Assets under management: $1.6B

Summa Corp. is a wealth manager that reported 83 positions worth $318.6M in its Q2 2026 13F, filed 2026-08-06. Its largest holdings were Nvidia Corporation Com (NVDA, 37.1%), Advanced Micro Devices Inc (AMD, 21.1%), Marvell Technology Inc (MRVL, 4.7%). A portfolio copying its top holdings returned 39.9% a year over the last 3 years, against 18.8% for the S&P 500.

Summa Corp. holdings largest 50 of 83 positions.

Weights are shares of the filer's total reported 13F value, compared with Q1 2026. Share changes may reflect splits; weight changes also reflect price moves. A 13F shows long US-listed positions only, up to 135 days after the fact.

Summa Corp. 13F holdings
Stock	% of 13F value	Q1 2026	Shares	Share change	Reported value
NVDANvidia Corporation Com	37.1%	45.8%	590,160	-7.1%	$118.1M
AMDAdvanced Micro Devices Inc	21.1%	10.3%	115,529	-5.7%	$67.1M
MRVLMarvell Technology Inc	4.7%	1.7%	50,000	+19.0%	$14.9M
MSFTMicrosoft Corp	2.7%	3.5%	22,948	+1.0%	$8.6M
SPYSpdr S&p 500 ETF Tr	2.6%	3.0%	10,966	-0.2%	$8.2M
IWFIshares Russell 1000 Growth ETF	2.2%	2.0%	57,588	+414.6%	$7.2M
QCOMQualcomm Inc	2.0%	1.8%	35,000	+2.9%	$6.5M
QUALIshares Msci USA Quality Factor ETF	1.9%	2.2%	28,300	+0.0%	$6.2M
AMZNAmazon Com Inc Com	1.7%	1.8%	22,339	+4.7%	$5.3M
VOOVanguard S&p 500 ETF	1.5%	1.7%	7,104	+2.8%	$4.9M
DBEFDbx ETF Tr	1.5%	1.6%	85,816	+9.4%	$4.7M
IWDIshares Russell 1000 Value ETF	1.4%	1.2%	18,766	+40.3%	$4.5M
GINNGoldman Sachs ETF Tr	1.4%	1.0%	55,150	+55.2%	$4.3M
GOOGLAlphabet Inc	1.1%	1.2%	9,928	-3.5%	$3.5M
AAPLApple Inc	1.1%	1.3%	12,060	-3.8%	$3.5M
BRK-BBerkshire Hathaway Inc Del	0.8%	1.0%	5,367	+5.9%	$2.7M
VEAVanguard Tax-Managed Fds	0.7%	0.9%	33,181	+0.0%	$2.4M
UBERUber Technologies Inc	0.6%	0.8%	25,929	-0.8%	$1.9M
OPRTOportun Finl Corp	0.5%	0.8%	293,266	-26.1%	$1.7M
GOOGAlphabet Inc	0.5%	0.6%	4,706	-2.9%	$1.7M
WMTWalmart Inc	0.5%	0.8%	14,537	-0.5%	$1.6M
TSMTaiwan Semiconductor Manufac	0.5%	0.5%	3,400	-5.6%	$1.6M
QQQInvesco Qqq Tr	0.4%	0.4%	1,943	+8.2%	$1.4M
VLOValero Energy Corp	0.4%	0.6%	5,400	+0.0%	$1.4M
GLDSpdr Gold Shares	0.4%	0.7%	3,788	+0.0%	$1.4M
VBVanguard Indx Fd	0.4%	0.5%	4,577	+0.0%	$1.4M
IEFiShs 7-10 ys Tsy	0.4%	0.5%	13,827	+0.0%	$1.3M
SHYiShs Lehman 1-3Tsy	0.4%	0.5%	15,714	+12.4%	$1.3M
MINTPimco ETF Tr	0.4%	0.3%	12,450	+48.2%	$1.3M
JPMJpmorgan Chase & Co	0.4%	0.5%	3,600	-5.3%	$1.2M
EMBIshares Tr	0.4%	0.5%	12,175	+0.0%	$1.2M
SLQDIshares 0-5 Year Investmt	0.3%	0.3%	18,000	+21.6%	$907K
XOMExxon Mobil Corp	0.3%	0.5%	6,600	+0.0%	$902K
AGGIshares Tr	0.3%	0.3%	8,550	+21.3%	$846K
IDVIshares Tr	0.3%	—	20,022	—	$830K
AVGOBroadcom Inc	0.2%	0.3%	2,000	-19.2%	$756K
VCSHVanguard Scottsdale Fds	0.2%	0.3%	9,500	+0.0%	$751K
JNJJohnson & Johnson	0.2%	0.3%	2,910	-3.6%	$739K
IEIIshares	0.2%	0.4%	6,170	-25.5%	$725K
TIPiShares TIPS Bond ETF	0.2%	0.3%	6,430	+0.0%	$704K
MRKMerck & Co. Inc	0.2%	0.3%	5,360	+0.0%	$689K
VWOBVanguard Whitehall Fds	0.2%	0.3%	10,000	+0.0%	$672K
AAXJIshares Tr	0.2%	0.2%	5,500	+0.0%	$656K
BILSPDR Brcy1-3 Ser	0.2%	0.3%	7,100	+0.1%	$651K
ORealty Income Corp	0.2%	0.3%	10,500	+0.0%	$651K
VYMVym	0.2%	0.2%	4,000	+0.0%	$632K
TMOThermo Fisher Scientific Inc	0.2%	—	1,253	—	$628K
IWOIshares Russell 2000 Growth ETF	0.2%	—	1,585	—	$624K
ABBVAbbvie Inc	0.2%	—	2,400	—	$604K
METAMeta Platforms Inc Class A	0.2%	0.2%	1,058	+8.8%	$596K

What Summa Corp. bought and sold in Q2 2026, against Q1 2026.

New positions

Q1 2026's filing was too long to tell new positions apart.

Share counts compared with the Q1 2026 13F; a split also changes share counts. The latest filing lists more than 50 positions, so a position that left the top 50 may still be held.

How the holdings did against the S&P 500.

1 year: +41.0% /yr; S&P 500 +20.1%
3 years: +39.9% /yr; S&P 500 +18.8%
5 years: —

A portfolio of the filer's 20 largest 13F positions, weighted by value and rebuilt each quarter on the day the filing became public. 13Fs show long US-listed positions only, so this is an estimate of the stock picks, not the fund's reported returns.

Reported 13F value by quarter.

13F value by quarter
Quarter	13F value	Positions
Q2 2026	$318.6M	83
Q1 2026	$241.9M	83
Q4 2025	$233.2M	77
Q3 2025	$227.4M	76
Q2 2025	$192.4M	76
Q1 2025	$172.9M	59
Q4 2024	$203.9M	61
Q3 2024	$208.6M	64
Q2 2024	$206.3M	60
Q1 2024	$183.1M	59
Q4 2023	$142.9M	60

Questions about Summa Corp.'s portfolio

What stocks does Summa Corp. own?

Summa Corp.'s latest 13F, for Q2 2026 and filed Aug 6, 2026, lists 83 positions worth $318.6M. The largest are Nvidia Corporation Com (NVDA) at 37.1%, Advanced Micro Devices Inc (AMD) at 21.1%, Marvell Technology Inc (MRVL) at 4.7%, Microsoft Corp (MSFT) at 2.7% and Spdr S&p 500 ETF Tr (SPY) at 2.6%.

What did Summa Corp. buy last quarter?

In Q2 2026, Summa Corp. added Ishares Russell 1000 Growth ETF (IWF) (+414.6% shares), Goldman Sachs ETF Tr (GINN) (+55.2% shares) and Pimco ETF Tr (MINT) (+48.2% shares), compared with its Q1 2026 filing.

What did Summa Corp. sell last quarter?

In Q2 2026, Summa Corp. cut from its top 50 Mastercard Inc. (MA), cut from its top 50 Enterprise Prods Partners L (EPD), cut from its top 50 Pimco Multisector Bond Active Exchange-T (PYLD), cut from its top 50 Vanguard Scottsdale Fds (VCLT), Oportun Finl Corp (OPRT) (-26.1% shares), Ishares (IEI) (-25.5% shares) and Broadcom Inc (AVGO) (-19.2% shares), compared with its Q1 2026 filing.

How has Summa Corp.'s portfolio performed?

A portfolio copying Summa Corp.'s 20 largest 13F holdings each quarter, from the day each filing was public, returned +39.9% a year over the last 3 years, against +18.8% for the S&P 500. Over 1 year: +41.0% against +20.1%.

When is Summa Corp.'s next 13F filing due?

13F filings are due 45 days after each quarter ends. Summa Corp.'s filing for the quarter ending Sep 30, 2026 is due by Nov 14, 2026; this page updates the day after it is published.

How much money does Summa Corp. manage?

Summa Corp. reported $1.6B of regulatory assets under management on its latest SEC Form ADV. Its 13F, which covers only US-listed stocks and options, totals $318.6M.