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Super Investors Summa Corp.
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Summa Corp.

Quarterly 13F snapshot: US-listed longs only, no performance figures — 13F data cannot support them.

Portfolio value
$492M
Positions
91
Quarter ended
September 30, 2026
Filed
October 30, 2026

Reported portfolio value by quarter (12 quarters reported)

$492M $143M
Q4 23 Q3 24 Q2 25 Q1 26 Q3 26

$143M in Q4 2023 → $492M now. Hover for any quarter.

Holdings

As reported for the quarter ended September 30, 2026. Activity is the change in share count since the prior quarter's filing.

Holding % of portfolio Activity Shares Value
Nvidia Corporation 27.6% Added 0.6% 593,968 $136M
Advanced Micro Devices Inc 14.4% Added 0.0% 115,546 $70.7M
SS State Str SPDR S&P 500 ETF T 8.7% Added 410% 55,929 $42.7M
IT Ishares Tr 6.0% Added 537% 119,558 $29.6M
IT Ishares Tr 6.0% Added 311% 236,468 $29.6M
DE Dbx ETF Tr 3.6% Added 275% 321,880 $17.7M
VT Vanguard Tax-managed Fds 3.3% Added 585% 227,369 $16.1M
Marvell Technology Inc 2.9% Added 6.9% 53,441 $14.1M
GS Goldman Sachs ETF Tr 2.8% Added 209% 170,354 $13.8M
Microsoft Corp 2.6% Added 10% 25,265 $13M
IT Ishares Tr 1.8% New 121,150 $8.72M
Qualcomm Inc 1.4% Added 6.0% 37,100 $6.83M
IT Ishares Tr 1.3% Added 1.9% 28,850 $6.41M
Amazon Com Inc 1.3% Added 14% 25,443 $6.34M
VI Vanguard Index Fds 1.0% Added 1.6% 7,220 $5.06M
Apple Inc 0.9% Added 6.2% 12,806 $4.26M
SS Select Sector SPDR Tr 0.8% Added 824% 24,030 $4.05M
Alphabet Inc 0.8% Added 15% 11,378 $3.92M
Alphabet Inc 0.7% Added 109% 9,837 $3.35M
IT Ishares Tr 0.6% Added 459% 8,868 $3.16M
IT Ishares Tr 0.6% Added 986% 14,113 $2.96M
BH Berkshire Hathaway Inc Del 0.6% Added 10% 5,920 $2.95M
OF Oportun Finl Corp 0.5% Unchanged 293,266 $2.39M
VI Vanguard Intl Equity Index F 0.5% New 39,441 $2.34M
Uber Technologies Inc 0.4% Added 4.0% 26,960 $1.85M
IQ Invesco Qqq Tr 0.3% Added 15% 2,229 $1.65M
Valero Energy Corp 0.3% Trimmed 21% 4,250 $1.65M
TS Taiwan Semiconductor Manufac 0.3% Unchanged 3,400 $1.55M
Walmart Inc 0.3% Added 0.2% 14,569 $1.51M
SG SPDR Gold Tr 0.3% Trimmed 1.2% 3,743 $1.43M
VI Vanguard Index Fds 0.3% Unchanged 4,577 $1.3M
PE Pimco ETF Tr 0.3% Unchanged 12,450 $1.25M
IT Ishares Tr 0.3% Trimmed 2.0% 15,394 $1.25M
I Ishares Inc 0.3% New 12,432 $1.23M
Jpmorgan Chase & Co 0.2% Unchanged 3,600 $1.19M
Meta Platforms Inc 0.2% Added 54% 1,628 $1.18M
IT Ishares Tr 0.2% Trimmed 9.2% 12,555 $1.12M
Exxonmobil Holdings Corp 0.2% New 6,850 $1.11M
IT Ishares Tr 0.2% Unchanged 12,175 $1.11M
BI Bitmine Immersion Techs Inc 0.2% Added 67% 40,000 $1.06M
IT Ishares Tr 0.2% Added 0.6% 18,100 $895K
Thermo Fisher Scientific Inc 0.2% Added 0.9% 1,264 $853K
IT Ishares Tr 0.2% Unchanged 20,022 $845K
IT Ishares Tr 0.2% Added 0.1% 8,560 $809K
IT Ishares Tr 0.2% Added 25% 1,404 $798K
Merck & Co Inc 0.2% Unchanged 5,360 $779K
Johnson & Johnson 0.2% Unchanged 2,910 $770K
VS Vanguard Scottsdale Fds 0.1% Unchanged 9,500 $734K
Broadcom Inc 0.1% Added 4.4% 2,088 $733K
IT Ishares Tr 0.1% Unchanged 6,170 $700K
SS SPDR Series Trust 0.1% Added 1.9% 7,236 $663K
IT Ishares Tr 0.1% Unchanged 5,500 $640K
VW Vanguard Whitehall Fds 0.1% Unchanged 10,000 $631K
Abbvie Inc 0.1% Unchanged 2,400 $628K
VW Vanguard Whitehall Fds 0.1% Unchanged 4,000 $621K
Mastercard Incorporated 0.1% Unchanged 1,115 $615K
VW Vanguard World Fd 0.1% Unchanged 4,796 $603K
Realty Income Corp 0.1% Unchanged 10,500 $570K
WT Wisdomtree Tr 0.1% Added 2.2% 11,270 $568K
Deere & Co 0.1% Added 69% 828 $557K

Showing top 60 of 91 positions.

Timeline of changes

What changed each quarter, from the filings' own share counts. Largest moves first; most recent 8 quarters.

Q3 2026

quarter ended September 30, 2026 · filed October 30, 2026

Company Action Shares changed Value of change % of portfolio
SS State Str SPDR S&P 500 ETF T Added +44,963 +$34.4M 8.7%
IT Ishares Tr Added +100,792 +$25M 6.0%
IT Ishares Tr Added +178,880 +$22.4M 6.0%
VT Vanguard Tax-managed Fds Added +194,188 +$13.7M 3.3%
DE Dbx ETF Tr Added +236,064 +$13M 3.6%
GS Goldman Sachs ETF Tr Added +115,204 +$9.33M 2.8%
IT Ishares Tr New +121,150 +$8.72M 1.8%
SS Select Sector SPDR Tr Added +21,430 +$3.61M 0.8%
IT Ishares Tr Added +12,814 +$2.68M 0.6%
IT Ishares Tr Added +7,283 +$2.6M 0.6%

Showing the 10 largest of 63 changes.

Q2 2026

quarter ended June 30, 2026 · filed August 06, 2026

Company Action Shares changed Value of change % of portfolio
Nvidia Corporation Trimmed −44,933 −$8.99M 37.1%
IT Ishares Tr Added +46,398 +$5.76M 2.2%
Advanced Micro Devices Inc Trimmed −6,945 −$4.03M 21.1%
Marvell Technology Inc Added +8,000 +$2.38M 4.7%
GS Goldman Sachs ETF Tr Added +19,617 +$1.55M 1.4%
IT Ishares Tr Added +5,387 +$1.31M 1.4%
OF Oportun Finl Corp Trimmed −103,500 −$591K 0.5%
VW Vanguard World Fd Added +4,314 +$516K 0.2%
IT Ishares Tr Added +11,211 +$464K 0.3%
Oracle Corp Exited −3,082 −$453K —

Showing the 10 largest of 57 changes.

Q1 2026

quarter ended March 31, 2026 · filed April 30, 2026

Company Action Shares changed Value of change % of portfolio
SS State Str SPDR S&P 500 ETF T Added +9,333 +$6.07M 3.0%
IT Ishares Tr New +28,300 +$5.43M 2.2%
VI Vanguard Index Fds New +6,912 +$4.13M 1.7%
GS Goldman Sachs ETF Tr Added +32,183 +$2.2M 1.0%
VT Vanguard Tax-managed Fds New +33,181 +$2.13M 0.9%
DE Dbx ETF Tr Added +32,850 +$1.62M 1.6%
VI Vanguard Index Fds New +4,577 +$1.2M 0.5%
AT&T Inc Trimmed −10,000 −$773K 0.2%
IT Ishares Tr Exited −4,425 −$488K —
SG SPDR Gold Tr Trimmed −1,021 −$439K 0.7%

Showing the 10 largest of 56 changes.

Q4 2025

quarter ended December 31, 2025 · filed January 21, 2026

Company Action Shares changed Value of change % of portfolio
AG Alibaba Group Hldg Ltd Trimmed −29,031 −$4.26M 0.3%
Nvidia Corporation Added +20,523 +$3.83M 50.8%
Advanced Micro Devices Inc Trimmed −7,900 −$1.69M 11.2%
IT Ishares Tr Added +6,586 +$634K 0.5%
IT Ishares Tr New +15,588 +$615K 0.3%
Meta Platforms Inc New +884 +$584K 0.3%
Adobe Inc Exited −1,280 −$452K —
Unitedhealth Group Inc Exited −1,250 −$432K —
I Ishares Inc New +4,086 +$385K 0.2%
IT Ishares Tr Exited −3,450 −$381K —

Showing the 10 largest of 59 changes.

Q3 2025

quarter ended September 30, 2025 · filed October 27, 2025

Company Action Shares changed Value of change % of portfolio
Advanced Micro Devices Inc Added +21,970 +$3.55M 9.2%
Nvidia Corporation Added +9,827 +$1.83M 50.4%
SG SPDR Gold Tr New +4,809 +$1.71M 0.8%
AG Alibaba Group Hldg Ltd Added +9,187 +$1.64M 2.6%
BI Bitmine Immersion Tecnologie New +21,000 +$1.09M 0.5%
I Ishares Inc Exited −25,650 −$1.09M —
Apple Inc Trimmed −3,902 −$994K 1.4%
TS Taiwan Semiconductor Mfg Ltd New +3,408 +$952K 0.4%
IT Ishares Tr New +6,430 +$715K 0.3%
OF Oportun Finl Corp Trimmed −115,372 −$712K 1.2%

Showing the 10 largest of 50 changes.

Q2 2025

quarter ended June 30, 2025 · filed July 25, 2025

Company Action Shares changed Value of change % of portfolio
Nvidia Corporation Trimmed −179,920 −$28.4M 49.7%
AG Alibaba Group Hldg Ltd Trimmed −47,750 −$5.42M 1.4%
Valero Energy Corp Trimmed −35,000 −$4.7M 0.4%
IT Ishares Tr Added +11,039 +$4.69M 2.6%
Apa Corporation Exited −185,300 −$3.9M —
Microsoft Corp Trimmed −6,308 −$3.14M 5.6%
Amazon Com Inc Added +13,688 +$3M 2.5%
IT Ishares Tr New +13,379 +$2.6M 1.4%
DE Dbx ETF Tr New +48,282 +$2.11M 1.1%
DE Devon Energy Corp New Exited −51,000 −$1.78M —

Showing the 10 largest of 69 changes.

Q1 2025

quarter ended March 31, 2025 · filed April 21, 2025

Company Action Shares changed Value of change % of portfolio
Nvidia Corporation Trimmed −25,837 −$2.8M 49.2%
Microsoft Corp Trimmed −6,240 −$2.34M 6.1%
AG Alibaba Group Hldg Ltd Added +16,000 +$2.12M 5.5%
Qualcomm Inc Trimmed −11,000 −$1.69M 3.6%
Valero Energy Corp Trimmed −11,000 −$1.45M 3.1%
Advanced Micro Devices Inc Trimmed −7,000 −$719K 7.1%
I Ishares Inc New +12,820 +$475K 0.3%
IT Ishares Tr Exited −4,850 −$424K —
IT Ishares Tr New +3,000 +$331K 0.2%
Servicenow Inc Exited −302 −$320K —

Showing the 10 largest of 37 changes.

Q4 2024

quarter ended December 31, 2024 · filed January 23, 2025

Company Action Shares changed Value of change % of portfolio
Marathon Oil Corp Exited −200,000 −$5.33M —
Nvidia Corporation Trimmed −8,550 −$1.15M 53.4%
AG Alibaba Group Hldg Ltd Trimmed −13,340 −$1.13M 2.3%
PE Pimco ETF Tr New +5,680 +$570K 0.3%
IT Ishares Tr Exited −15,600 −$518K —
Merck & Co Inc New +5,080 +$506K 0.2%
Advanced Micro Devices Inc Added +3,900 +$471K 7.5%
Microsoft Corp Trimmed −1,112 −$469K 7.1%
BM Blackstone Mtg Tr Inc Exited −23,500 −$447K —
JP J P Morgan Exchange Traded F Exited −8,000 −$406K —

Showing the 10 largest of 33 changes.

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