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Super Investors Bannerstone Capital Management, LLC
BC

Bannerstone Capital Management, LLC

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

Portfolio value
$119M
Positions
113
Quarter ended
June 30, 2026
Filed
July 31, 2026

Reported portfolio value by quarter (3 quarters reported)

$119M $104M
Q4 25 Q1 26 Q2 26

$104M in Q4 2025 → $119M now. Hover for any quarter.

Holdings

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

Holding % of portfolio Activity Shares Value
Nvidia Corporation 5.0% Trimmed 1.9% 29,877 $5.98M
Apple Inc 4.8% Trimmed 1.1% 19,775 $5.72M
Lam Research Corp 4.0% Trimmed 5.8% 11,087 $4.8M
BH Berkshire Hathaway Inc Del 3.8% Trimmed 4.9% 9,155 $4.58M
Goldman Sachs Group Inc 3.6% Added 0.4% 4,201 $4.25M
Palantir Technologies Inc 3.0% Trimmed 16% 30,554 $3.56M
Jpmorgan Chase & Co 2.7% Trimmed 0.0% 9,720 $3.18M
FR Factset Resh Sys Inc 2.7% Unchanged 13,729 $3.16M
Vertiv Holdings Co 2.4% New 8,652 $2.9M
QS Quanta Svcs Inc 2.4% Trimmed 8.2% 4,006 $2.88M
Microsoft Corp 2.3% Added 0.6% 7,266 $2.71M
Advanced Micro Devices Inc 2.1% Trimmed 27% 4,204 $2.44M
CS Comfort Sys Usa Inc 1.9% Trimmed 7.5% 1,133 $2.25M
EL Eli Lilly & Co 1.8% Trimmed 2.5% 1,836 $2.2M
Eaton Corp PLC 1.7% Added 1.1% 4,812 $2.05M
Bloom Energy Corp 1.7% Trimmed 17% 6,675 $2.02M
SS State Str Corp 1.6% Added 517% 11,554 $1.96M
Argan Inc 1.6% Trimmed 10% 2,331 $1.86M
Palo Alto Networks Inc 1.5% Trimmed 3.1% 5,314 $1.81M
DB Deutsche Bk Ag 1.5% Trimmed 0.1% 51,482 $1.74M
Applied Digital Corp 1.4% Trimmed 13% 44,960 $1.68M
Amazon Com Inc 1.4% Added 2.5% 6,973 $1.66M
SS State Str SPDR S&P 500 ETF T 1.4% Trimmed 46% 2,167 $1.62M
NG Nebius Group N.v. 1.4% New 5,838 $1.61M
BW Berkley W R Corp 1.3% Added 0.6% 22,612 $1.59M
Curtiss Wright Corp 1.2% Trimmed 13% 1,861 $1.41M
Celestica Inc 1.1% Trimmed 13% 3,674 $1.34M
American Express Co 1.1% Added 1.5% 3,883 $1.31M
Applied Optoelectronics Inc 1.1% Trimmed 13% 8,807 $1.3M
Mastercard Incorporated 1.1% Trimmed 1.1% 2,493 $1.28M
VI Vanguard Index Fds 1.0% Added 302% 14,797 $1.19M
Ftai Aviation Ltd 1.0% Trimmed 13% 4,289 $1.16M
GA Ge Aerospace 0.9% Trimmed 0.4% 2,927 $1.09M
Kla Corp 0.9% Added 899% 3,475 $1.05M
Affiliated Managers Group 0.9% New 3,027 $1.02M
Corning Inc 0.8% New 3,933 $1M
Viasat Inc 0.8% New 11,092 $996K
Teradyne Inc 0.8% Trimmed 0.4% 2,023 $979K
Synopsys Inc 0.8% Trimmed 0.1% 2,003 $893K
Broadcom Inc 0.7% Trimmed 0.9% 2,336 $883K
Ge Vernova Inc 0.7% Unchanged 749 $880K
Chubb Limited 0.7% Added 20% 2,508 $855K
Alphabet Inc 0.7% Trimmed 0.1% 2,318 $828K
IQ Invesco Qqq Tr 0.7% Trimmed 52% 1,107 $815K
Costco Wholesale Corporation 0.7% Unchanged 843 $789K
Valero Energy Corp 0.6% Trimmed 1.6% 2,958 $770K
Plexus Corp 0.6% New 2,556 $769K
Alphabet Inc 0.6% Trimmed 0.4% 2,146 $758K
Dell Technologies Inc 0.6% New 1,711 $738K
IB Interactive Brokers Group In 0.6% Added 0.0% 8,119 $707K
GH Graham Hldgs Co 0.6% Added 26% 618 $705K
Johnson & Johnson 0.6% Added 3.7% 2,767 $703K
AH Asml Hldg Nv 0.6% Added 0.6% 350 $696K
Caterpillar Inc 0.5% Added 102% 605 $644K
Cardinal Health Inc 0.5% Added 8.1% 2,654 $630K
Forgent Power Solutions Inc 0.5% New 11,094 $620K
Jackson Financial Inc 0.5% Added 0.1% 6,026 $617K
SS State Str SPDR Dow Jones Ind 0.5% Trimmed 59% 1,130 $590K
Rocket Lab Corp 0.5% Trimmed 0.2% 5,515 $561K
UP United Parcel Svcs Inc 0.5% Trimmed 1.9% 5,132 $552K

Showing top 60 of 113 positions.

Timeline of changes

What changed each quarter, from the filings' own share counts. Largest moves first; most recent 2 quarters.

Q2 2026

quarter ended June 30, 2026 · filed July 31, 2026

Company Action Shares changed Value of change % of portfolio
Vertiv Holdings Co New +8,652 +$2.9M 2.4%
SS State Str Corp Added +9,681 +$1.64M 1.6%
NG Nebius Group N.v. New +5,838 +$1.61M 1.4%
SS State Str SPDR S&P 500 ETF T Trimmed −1,832 −$1.37M 1.4%
KD Kratos Defense & Sec Solutio Exited −17,284 −$1.22M —
GA Gallagher Arthur J & Co Exited −5,613 −$1.22M —
Fastly Inc Exited −38,790 −$1.13M —
Affiliated Managers Group New +3,027 +$1.02M 0.9%
Cme Group Inc Exited −3,420 −$1.01M —
Corning Inc New +3,933 +$1M 0.8%

Showing the 10 largest of 120 changes.

Q1 2026

quarter ended March 31, 2026 · filed May 11, 2026

Company Action Shares changed Value of change % of portfolio
Vertiv Holdings Co Exited −9,718 −$1.57M —
Curtiss Wright Corp New +2,140 +$1.46M 1.4%
Fastly Inc New +38,790 +$1.13M 1.0%
BI Bitmine Immersion Tecnologie Exited −40,795 −$1.11M —
Applied Optoelectronics Inc New +10,103 +$855K 0.8%
RM Robinhood Mkts Inc Exited −7,267 −$822K —
Strategy Inc New +5,554 +$693K 0.6%
Blackrock Inc Exited −581 −$621K —
Vertex Pharmaceuticals Inc Exited −1,342 −$608K —
Teradyne Inc New +2,032 +$602K 0.6%

Showing the 10 largest of 103 changes.

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