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Super Investors HARTLINE INVESTMENT CORP/
HI

HARTLINE INVESTMENT CORP/

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

Portfolio value
$969M
Positions
101
Quarter ended
September 30, 2026
Filed
October 29, 2026

Reported portfolio value by quarter (54 quarters reported)

$1.15B $121M
Q2 13 Q1 16 Q4 18 Q3 21 Q2 24 Q3 26

$248M in Q2 2013 → $969M 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 13.9% Trimmed 3.1% 591,910 $135M
IT Ishares Tr 8.9% Trimmed 22% 1,692,981 $86.4M
BH Berkshire Hathaway Inc Del 7.0% Trimmed 22% 91 $68M
Alphabet Inc 4.9% Added 6.6% 137,202 $47.2M
Marvell Technology Inc 4.3% Trimmed 32% 157,939 $41.7M
Amazon Com Inc 3.5% Trimmed 3.3% 136,698 $34.1M
Advanced Micro Devices Inc 3.3% Trimmed 31% 52,782 $32.3M
IT Ishares Tr 3.3% Added 20% 636,040 $32.2M
Dell Technologies Inc 3.2% Trimmed 21% 57,360 $30.9M
EL Eli Lilly & Co 3.2% Added 5.1% 26,639 $30.8M
Vertiv Holdings Co 3.1% Trimmed 15% 123,870 $29.9M
Microsoft Corp 2.6% Trimmed 24% 48,926 $25.1M
Cloudflare Inc 2.5% Trimmed 5.6% 69,869 $24.3M
Meta Platforms Inc 2.5% Added 6.1% 33,104 $24M
Corning Inc 2.2% Trimmed 40% 136,932 $21.1M
Morgan Stanley 2.1% Added 6.5% 110,530 $20.8M
Apple Inc 1.9% Trimmed 73% 54,925 $18.3M
SS Schwab Strategic Tr 1.8% Trimmed 1.3% 731,959 $17.6M
Ge Vernova Inc 1.8% Added 2.1% 17,975 $17.1M
Citigroup Inc 1.8% Added 2.5% 131,330 $17M
Palantir Technologies Inc 1.6% Added 14% 82,166 $15.4M
VB Vanguard Bd Index Fds 1.5% New 293,630 $14.5M
Eaton Corp PLC 1.1% Added 22% 23,717 $10.2M
Visa Inc 1.1% Trimmed 16% 28,357 $10.2M
Walmart Inc 0.9% Trimmed 52% 86,963 $9.04M
Shopify Inc 0.8% Added 2.7% 52,319 $7.76M
BH Berkshire Hathaway Inc Del 0.7% Trimmed 29% 14,519 $7.23M
Sterling Infrastructure Inc 0.7% Added 128% 14,359 $7.06M
Merck & Co Inc 0.7% New 44,817 $6.51M
GH Ge Healthcare Technologies I 0.7% Added 5.2% 97,526 $6.38M
Servicenow Inc 0.6% Added 2.1% 43,327 $5.81M
RM Robinhood Mkts Inc 0.6% Added 61% 50,821 $5.72M
Applovin Corp 0.6% Added 40% 19,500 $5.66M
Palo Alto Networks Inc 0.6% Trimmed 0.4% 14,074 $5.59M
Nextera Energy Inc 0.6% Trimmed 3.8% 72,442 $5.49M
LH Lumentum Hldgs Inc 0.6% New 5,595 $5.43M
MI Marriott Intl Inc New 0.5% Trimmed 52% 14,371 $5.11M
Uber Technologies Inc 0.5% Trimmed 2.3% 69,339 $4.75M
Costco Wholesale Corporation 0.4% Trimmed 51% 4,563 $4.15M
American Express Co 0.4% Trimmed 20% 13,128 $3.99M
Broadcom Inc 0.4% Added 26% 11,059 $3.88M
SS SPDR Series Trust 0.4% Added 62% 23,635 $3.73M
UP Union Pac Corp 0.4% Trimmed 29% 13,131 $3.57M
Home Depot Inc 0.4% Trimmed 3.9% 12,526 $3.56M
LC Lowes Cos Inc 0.4% Trimmed 30% 19,118 $3.52M
Fastenal Co 0.3% Unchanged 64,660 $3.2M
Abbvie Inc 0.3% Unchanged 11,119 $2.91M
Jpmorgan Chase & Co 0.3% Trimmed 41% 8,360 $2.77M
Goldman Sachs Group Inc 0.3% Added 99% 2,791 $2.51M
Enbridge Inc 0.2% Added 16% 49,380 $2.3M
Vistra Corp 0.2% Trimmed 6.3% 16,284 $2.25M
IB International Business Machs 0.2% Trimmed 78% 10,076 $2.22M
Constellation Energy Corp 0.2% Added 0.1% 7,628 $1.94M
SS Schwab Strategic Tr 0.2% Unchanged 79,700 $1.89M
WM Waste Mgmt Inc Del 0.2% Trimmed 12% 8,651 $1.76M
Alphabet Inc 0.2% Trimmed 29% 5,060 $1.72M
IT Illinois Tool Wks Inc 0.2% Trimmed 16% 6,501 $1.67M
Linde PLC 0.2% Trimmed 34% 3,282 $1.56M
VS Vanguard Scottsdale Fds 0.2% New 25,500 $1.47M
Stryker Corporation 0.1% Trimmed 26% 4,560 $1.26M

Showing top 60 of 101 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 29, 2026

Company Action Shares changed Value of change % of portfolio
Apple Inc Trimmed −151,363 −$50.4M 1.9%
IT Ishares Tr Trimmed −470,832 −$24M 8.9%
Marvell Technology Inc Trimmed −73,603 −$19.4M 4.3%
BH Berkshire Hathaway Inc Del Trimmed −26 −$19.4M 7.0%
VB Vanguard Bd Index Fds New +293,630 +$14.5M 1.5%
Advanced Micro Devices Inc Trimmed −23,174 −$14.2M 3.3%
Corning Inc Trimmed −91,219 −$14M 2.2%
Walmart Inc Trimmed −94,517 −$9.82M 0.9%
IB International Business Machs Trimmed −36,438 −$8.01M 0.2%
Dell Technologies Inc Trimmed −14,886 −$8.01M 3.2%

Showing the 10 largest of 110 changes.

Q2 2026

quarter ended June 30, 2026 · filed July 29, 2026

Company Action Shares changed Value of change % of portfolio
IF Ishares Floating Rate Bond ETF Added +755,890 +$38.6M 9.6%
MT Marvell Technology Inc Com Trimmed −129,501 −$38.6M 6.0%
AM Advanced Micro Devices Inc Com Trimmed −38,700 −$22.5M 3.8%
IT Ishares Treasury Floating Rate Bond ETF Added +317,440 +$16.1M 2.3%
VH Vertiv Holdings Co Com Cl A Trimmed −44,877 −$15M 4.3%
EL Eli Lilly & Co Com Added +10,858 +$13M 2.6%
IB International Business Machs Com Added +44,971 +$12.6M 1.1%
CC Corning Inc Com Trimmed −47,213 −$12.1M 5.1%
CC Cloudflare Inc Cl A Com Trimmed −46,490 −$11.4M 1.6%
AC Applovin Corp Com Cl A New +13,894 +$7.16M 0.6%

Showing the 10 largest of 89 changes.

Q1 2026

quarter ended March 31, 2026 · filed April 29, 2026

Company Action Shares changed Value of change % of portfolio
ST Sofi Technologies Inc Com Exited −475,451 −$12.4M —
DT Dell Technologies Inc Cl C Added +38,026 +$6.24M 1.5%
VC Vistra Corp Com Added +34,869 +$5.24M 0.6%
SC Servicenow Inc Com Trimmed −48,675 −$5.09M 0.5%
RM Robinhood Mkts Inc Com Cl A Trimmed −44,153 −$3.06M 0.2%
SC Shopify Inc Cl A Sub Vtg Shs Added +23,784 +$2.82M 0.7%
PA Palo Alto Networks Inc Com Trimmed −16,162 −$2.59M 0.4%
BC Blackrock Inc Com Trimmed −2,259 −$2.17M —
CC Corning Inc Com Trimmed −13,419 −$1.82M 4.1%
S1 Schwab 1-5 Year Corporate Bond ETF Added +63,035 +$1.56M 1.7%

Showing the 10 largest of 81 changes.

Q4 2025

quarter ended December 31, 2025 · filed February 09, 2026

Company Action Shares changed Value of change % of portfolio
NC Nvidia Corporation Com Trimmed −78,866 −$14.7M 12.6%
S1 Schwab 1-5 Year Corporate Bond ETF Added +558,665 +$13.9M 1.6%
IF Ishares Floating Rate Bond ETF Added +258,845 +$13.2M 7.8%
SC Servicenow Inc Com Added +69,449 +$10.6M 1.5%
UT Uber Technologies Inc Com Trimmed −87,758 −$7.17M 0.7%
AM Advanced Micro Devices Inc Com Trimmed −31,025 −$6.64M 2.7%
CC Cloudflare Inc Cl A Com Trimmed −30,042 −$5.92M 2.6%
SS Strategy Inc Series A Perp Pf Exited −62,813 −$5.76M —
PT Palantir Technologies Inc Cl A Trimmed −23,607 −$4.2M 1.6%
SC Salesforce Inc Com Trimmed −15,628 −$4.14M 0.1%

Showing the 10 largest of 92 changes.

Q3 2025

quarter ended September 30, 2025 · filed October 29, 2025

Company Action Shares changed Value of change % of portfolio
IF Ishares Floating Rate Bond ETF Added +311,232 +$15.9M 6.1%
CC Corning Inc Com Added +156,843 +$12.9M 2.5%
NC Nvidia Corporation Com Trimmed −61,215 −$11.4M 13.6%
IT Ishares Treasury Floating Rate Bond ETF Trimmed −178,068 −$9.01M 1.3%
CC Citigroup Inc Com New New +83,387 +$8.46M 0.9%
PT Palantir Technologies Inc Cl A Trimmed −40,619 −$7.41M 2.0%
SC Servicenow Inc Com Trimmed −6,475 −$5.96M 2.1%
VC Vistra Corp Com New +27,974 +$5.48M 0.6%
BH Berkshire Hathaway Inc Del Cl A Trimmed −6 −$4.53M 9.4%
SI Sterling Infrastructure Inc Com Added +13,065 +$4.44M 0.5%

Showing the 10 largest of 89 changes.

Q2 2025

quarter ended June 30, 2025 · filed July 29, 2025

Company Action Shares changed Value of change % of portfolio
UT Uber Technologies Inc Com New +174,764 +$16.3M 1.9%
AC Alphabet Inc Cap Stk Cl A Trimmed −91,282 −$16.1M 2.7%
NC Netflix Inc Com Added +7,527 +$10.1M 1.3%
ST Sofi Technologies Inc Com Added +507,864 +$9.25M 1.1%
VH Vertiv Holdings Co Com Cl A Trimmed −66,641 −$8.56M 2.8%
GV Ge Vernova Inc Com New +14,151 +$7.49M 0.9%
CC Corning Inc Com New +138,519 +$7.28M 0.8%
MS Microstrategy Inc Series A Perp Pf Added +59,055 +$7.15M 1.0%
BC Block Inc Cl A Trimmed −104,459 −$7.1M —
AC Apple Inc Com Trimmed −33,878 −$6.95M 5.1%

Showing the 10 largest of 85 changes.

Q1 2025

quarter ended March 31, 2025 · filed April 29, 2025

Company Action Shares changed Value of change % of portfolio
IT Ishares Treasury Floating Rate Bond ETF New +418,322 +$21.2M 2.8%
IB International Business Machs Com Trimmed −51,456 −$12.8M 0.2%
CC Cloudflare Inc Cl A Com Trimmed −103,880 −$11.7M 2.4%
IF Ishares Floating Rate Bond ETF Added +219,313 +$11.2M 6.4%
NC Nvidia Corporation Com Trimmed −97,126 −$10.5M 11.6%
MC Microstrategy Inc Cl A New Trimmed −33,351 −$9.61M 0.1%
MI Marriott Intl Inc New Cl A Trimmed −31,248 −$7.44M 1.0%
MC Microsoft Corp Com Trimmed −18,608 −$6.99M 3.7%
BC Blackrock Inc Com Trimmed −6,175 −$5.84M 0.3%
BH Berkshire Hathaway Inc Del Cl A Trimmed −7 −$5.59M 13.4%

Showing the 10 largest of 85 changes.

Q4 2024

quarter ended December 31, 2024 · filed January 29, 2025

Company Action Shares changed Value of change % of portfolio
IF Ishares Floating Rate Bond ETF Added +322,286 +$16.4M 4.2%
SC Salesforce Inc Com New +33,071 +$11.1M 1.3%
NC Nvidia Corporation Com Trimmed −70,401 −$9.45M 13.9%
BC Blackrock Inc Com New +8,711 +$8.93M 1.0%
EL Eli Lilly & Co Com Trimmed −11,441 −$8.83M 1.4%
MC Microstrategy Inc Cl A New Added +29,828 +$8.64M 1.2%
BC Block Inc Cl A Added +83,279 +$7.08M 1.7%
AM Advanced Micro Devices Inc Com Trimmed −49,292 −$5.95M 2.4%
SC Shopify Inc Cl A Added +41,008 +$4.36M 0.7%
PT Palantir Technologies Inc Cl A Added +45,469 +$3.44M 1.6%

Showing the 10 largest of 73 changes.

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