Hartline Investment Corp./

In its 13F for Q3 2025 (holdings as of September 30, 2025, filed October 29, 2025), Hartline Investment Corp./ reported 113 stock positions worth $958.5 million. Its top holding was Nvidia (NVDA) at 13.7% of the portfolio, followed by Berkshire Hathaway Class A (BRK.A, 9.4%) and iShares Floating Rate Bond E (FLOT, 6.2%). Compared with Q2 2025, it opened 12 new positions, sold out of 2, added to 21 and reduced 53. The biggest buy was Corning (GLW, shares +113%) and the biggest sale ServiceNow (NOW, shares −23%).

Most Recent 13F
Q2 2026
Location
WINNETKA, IL
CIK
0000945625
Portfolio Value
$958.5M (Q3 2025)
SEC Filing
0001754960-25-000721 ↗ filed Oct 29, 2025

Holdings Value

0$500.0M$1.0B$1.5B Q1 2024: $567.8M Q1 2024 Q2 2024: $744.1M Q2 2024 Q3 2024: $801.8M Q3 2024 Q4 2024: $871.4M Q4 2024 Q1 2025: $748.7M Q1 2025 Q2 2025: $872.1M Q2 2025 Q3 2025: $958.5M $958.5M Q3 2025 Q4 2025: $924.7M Q4 2025 Q1 2026: $908.9M Q1 2026 Q2 2026: $1.1B Q2 2026

Holdings 113 stocks · $958.5M
NVDA Nvidia Corp. 13.68% 703,009 $131.2M Reduce -8.0%
BRK.A Berkshire Hathaway Inc. Class A 9.44% 120 $90.5M Reduce -4.8%
FLOT iShares Floating Rate Bond E 6.18% 1,159,242 $59.2M Add +36.7%
AAPL Apple Inc. 5.77% 217,153 $55.3M Reduce -1.2%
MSFT Microsoft Corp. 3.56% 65,819 $34.1M Reduce -3.4%
MRVL Marvell Technology Inc. 3.49% 397,843 $33.4M Reduce -2.8%
GOOGL Alphabet Inc. Class A 3.44% 135,758 $33.0M Add +0.5%
VRT Vertiv Holdings Co. Class A 3.43% 217,776 $32.9M Add +13.3%
NET Cloudflare Inc. Class A 3.38% 151,164 $32.4M Add +3.2%
AMZN Amazon.com Inc. 3.22% 140,600 $30.9M Reduce -7.4%
GLW Corning Inc. 2.53% 295,362 $24.2M Add +113.2%
AMD Advanced Micro Devices 2.49% 147,512 $23.9M Reduce -2.7%
META Meta Platforms Inc. Class A 2.48% 32,358 $23.8M Reduce -10.9%
NOW ServiceNow Inc. 2.07% 21,561 $19.8M Reduce -23.1%
PLTR Palantir Technologies Inc. Class A 1.99% 104,641 $19.1M Reduce -28.0%
WMT Walmart Inc. 1.97% 183,579 $18.9M Reduce -0.1%
UBER Uber Technologies Inc. 1.75% 171,398 $16.8M Reduce -1.9%
LLY Eli Lilly & Co. 1.37% 17,245 $13.2M Add +1.8%
MS Morgan Stanley 1.29% 77,571 $12.3M Add +15.8%
TFLO iShares Treasury Floating Ra 1.28% 243,450 $12.3M Reduce -42.2%
SOFI Sofi Technologies Inc. 1.27% 460,402 $12.2M Reduce -11.6%
BRK.B Berkshire Hathaway Inc. Class B 1.20% 22,970 $11.5M Reduce -4.1%
HOOD Robinhood Markets Inc. Class A 0.97% 65,043 $9.3M Add +5.0%
NFLX Netflix Inc. 0.94% 7,552 $9.1M Reduce -11.0%
GEV GE Vernova Inc. 0.94% 14,681 $9.0M Add +3.8%
V Visa Inc. Class A 0.93% 26,139 $8.9M Reduce -0.0%
COST Costco Wholesale Corp. 0.91% 9,467 $8.8M Reduce -2.6%
C Citigroup Inc. 0.88% 83,387 $8.5M New
PANW Palo Alto Networks Inc. 0.88% 41,496 $8.4M Reduce -13.4%
MAR Marriott International Class A 0.82% 30,126 $7.8M No change
LOW Lowe's Cos Inc. 0.75% 28,489 $7.2M Reduce -0.1%
VEEV Veeva Systems Inc. Class A 0.68% 21,734 $6.5M Add +0.2%
HD Home Depot Inc. 0.66% 15,645 $6.3M Reduce -0.3%
CEG Constellation Energy 0.66% 19,080 $6.3M Add +153.0%
ETN Eaton Corp. PLC 0.63% 16,028 $6.0M Add +21.6%
VST Vistra Corp. 0.57% 27,974 $5.5M New
NEE Nextera Energy Inc. 0.53% 67,655 $5.1M Add +1.6%
ZG Zillow Group Inc. Class A 0.53% 68,357 $5.1M Reduce -0.1%
STRL Sterling Infrastructure Inc. 0.50% 14,165 $4.8M Add +1187.7%
AXP American Express Co. 0.49% 14,106 $4.7M Add +0.7%
UNP Union Pacific Corp. 0.48% 19,460 $4.6M Reduce -0.4%
JPM JPMorgan Chase & Co. 0.46% 13,876 $4.4M Add +0.3%
DELL Dell Technologies -C 0.44% 29,673 $4.2M New
CRM Salesforce Inc. 0.43% 17,450 $4.1M Reduce -7.2%
SHOP Shopify Inc. Class A 0.40% 25,751 $3.8M Add +2.3%
FAST Fastenal Co. 0.33% 64,660 $3.2M No change
ORLY O'reilly Automotive Inc. 0.30% 26,715 $2.9M No change
ABBV Abbvie Inc. 0.30% 12,288 $2.8M Add +25.1%
WM Waste Management Inc. 0.27% 11,676 $2.6M Reduce -0.2%
ITW Illinois Tool Works 0.27% 9,801 $2.6M Reduce -14.1%
BLK BlackRock Inc. 0.26% 2,112 $2.5M Reduce -0.3%
LIN Linde PLC 0.25% 4,988 $2.4M Reduce -0.2%
SYK Stryker Corp. 0.24% 6,288 $2.3M No change
CTAS Cintas Corp. 0.23% 10,620 $2.2M No change
GOOG Alphabet Inc. Class C 0.21% 8,148 $2.0M No change
CSCO Cisco Systems Inc. 0.19% 27,232 $1.9M No change
ZBRA Zebra Technologies Corp. Class A 0.19% 6,151 $1.8M Reduce -21.5%
AFL Aflac Inc. 0.19% 16,268 $1.8M No change
AMAT Applied Materials Inc. 0.18% 8,385 $1.7M No change
AVGO Broadcom Inc. 0.18% 5,193 $1.7M Reduce -3.7%
CRWD CrowdStrike Holdings Inc. Class A 0.18% 3,457 $1.7M Reduce -0.6%
MSTR Strategy Inc. 0.18% 5,212 $1.7M Reduce -36.1%
ENB Enbridge Inc. 0.17% 32,078 $1.6M Reduce -18.5%
CARR Carrier Global Corp. 0.17% 27,058 $1.6M Reduce -67.8%
ACN Accenture PLC Class A 0.15% 5,810 $1.4M Reduce -30.8%
VBK Van Morst SML-Cap Gro-Usd Inc. 0.13% 4,306 $1.3M No change
SNOW Snowflake Inc. 0.12% 5,193 $1.2M Reduce -0.2%
MCHP Microchip Technology Inc. 0.12% 18,150 $1.2M Reduce -28.4%
GS Goldman Sachs Group Inc. 0.12% 1,421 $1.1M Add +153.3%
ABT Abbott Laboratories 0.11% 8,173 $1.1M No change
MGK Vngrd Mrgstr MG CP GR ETF-Ui 0.11% 2,685 $1.1M Reduce -0.2%
ORCL Oracle Corp. 0.11% 3,824 $1.1M Reduce -0.6%
DIS The Walt Disney Co. filed as DISNEY WALT CO 0.11% 9,308 $1.1M Reduce -3.6%
LH Labcorp Holdings Inc. 0.09% 3,100 $890K No change
AON Aon PLC Class A 0.09% 2,491 $888K Reduce -2.2%
AMGN Amgen Inc. 0.09% 2,975 $840K No change
PSA Public Storage 0.08% 2,714 $784K Reduce -6.5%
XOM Exxon Mobil Corp. 0.08% 6,846 $772K No change
TROW T Rowe Price Group Inc. filed as PRICE T ROWE GROUP INC 0.08% 7,070 $726K No change
MDT Medtronic PLC 0.07% 7,225 $688K No change
SCHX Schwab US Large-Cap ETF 0.07% 25,864 $681K No change
SCHO Schwab Short-Term US Treas 0.07% 27,825 $679K Reduce -22.8%
AJG Arthur J Gallagher & Co. filed as GALLAGHER ARTHUR J & CO 0.07% 2,190 $678K Reduce -0.5%
ETF OPPORTUNITIES TRUST 0.07% 140,017 $651K New
EXR Extra Space Storage Inc. 0.07% 4,464 $629K Reduce -11.8%
BE Bloom Energy Corp. Class A 0.06% 7,145 $604K Reduce -31.5%
IBM Intl Business Machines Corp. filed as INTERNATIONAL BUSINESS MACHS 0.06% 1,884 $532K Reduce -39.0%
CVX Chevron Corp. 0.05% 3,338 $518K No change
SO The Southern Co. 0.05% 5,260 $498K No change
ZTS Zoetis Inc. 0.05% 3,261 $477K Reduce -53.3%
WELL Welltower Inc. 0.05% 2,652 $472K No change
SCHJ Schwab 1-5 YR Corp. BND ETF 0.05% 18,625 $465K New
BMNR Bitmine Immersion Technologi 0.04% 8,220 $427K New
MCD McDonald's Corp. 0.04% 1,360 $413K No change
FSLR First Solar Inc. 0.04% 1,567 $346K No change
CNI Canadian Natl Railway Co. 0.04% 3,600 $339K No change
EXC Exelon Corp. 0.03% 6,873 $309K No change
KMB Kimberly-Clark Corp. 0.03% 2,414 $300K Reduce -4.7%
SCHF Schwab Intl Equity ETF 0.03% 12,514 $291K Add +0.7%
DTE DTE Energy Company 0.03% 1,948 $276K No change
MRSH Marsh & McLennan Cos 0.03% 1,352 $272K Reduce -82.2%
XYZ Block Inc. 0.03% 3,625 $262K Reduce -6.9%
IONQ Ionq Inc. 0.03% 4,106 $253K New
SCHG Schwab US Large-Cap Growth 0.03% 7,902 $252K Add +2.5%
TSLA Tesla Inc. 0.03% 563 $250K Reduce -21.4%
IREN Iren Ltd. filed as IREN LIMITED 0.02% 4,848 $228K Reduce -69.0%
IBIT iShares Bitcoin Trust ETF 0.02% 3,500 $228K New
AMSC American Superconductor Corp. 0.02% 3,400 $202K New
XEL Xcel Energy Inc. 0.02% 2,490 $201K New
GEHC GE Healthcare Technology 0.02% 2,670 $201K New
AEIS Advanced Energy Industries 0.02% 1,178 $200K New
PACB Pacific Biosciences of Calif 0.00% 31,000 $40K No change
BFLY Butterfly Network Inc. 0.00% 11,500 $22K No change
Other holdings (1): bonds, preferreds, convertibles and warrants · $5.8M (not counted above)
SecurityClassShares / PrincipalValueChange
STRATEGY INC (MSTR 8 PERP) SERIES A PERP PF 62,813$5.8MReduce -9.8%

Total filed on the 13F, all lines: $964.3M.

Portfolio Sells Q2 2025 → Q3 2025
NOW ServiceNow Inc. Reduce -23.1% 2.07% −1.23
TFLO iShares Treasury Floating Ra Reduce -42.2% 1.28% −1.16
BRK.A Berkshire Hathaway Inc. Class A Reduce -4.8% 9.44% −1.09
AMZN Amazon.com Inc. Reduce -7.4% 3.22% −0.60
META Meta Platforms Inc. Class A Reduce -10.9% 2.48% −0.59
CARR Carrier Global Corp. Reduce -67.8% 0.17% −0.54
NFLX Netflix Inc. Reduce -11.0% 0.94% −0.36
MSFT Microsoft Corp. Reduce -3.4% 3.56% −0.33
PLTR Palantir Technologies Inc. Class A Reduce -28.0% 1.99% −0.28
PANW Palo Alto Networks Inc. Reduce -13.4% 0.88% −0.24
MSTR Strategy Inc. Reduce -36.1% 0.18% −0.20
COST Costco Wholesale Corp. Reduce -2.6% 0.91% −0.19
MRSH Marsh & McLennan Cos Reduce -82.2% 0.03% −0.16
NVDA Nvidia Corp. Reduce -8.0% 13.68% −0.16
CRM Salesforce Inc. Reduce -7.2% 0.43% −0.16
MRVL Marvell Technology Inc. Reduce -2.8% 3.49% −0.14
ACN Accenture PLC Class A Reduce -30.8% 0.15% −0.14
V Visa Inc. Class A Reduce -0.0% 0.93% −0.13
BRK.B Berkshire Hathaway Inc. Class B Reduce -4.1% 1.20% −0.13
UBER Uber Technologies Inc. Reduce -1.9% 1.75% −0.12
WMT Walmart Inc. Reduce -0.1% 1.97% −0.09
ZBRA Zebra Technologies Corp. Class A Reduce -21.5% 0.19% −0.09
MCHP Microchip Technology Inc. Reduce -28.4% 0.12% −0.08
ZTS Zoetis Inc. Reduce -53.3% 0.05% −0.07
ITW Illinois Tool Works Reduce -14.1% 0.27% −0.06
IBM Intl Business Machines Corp. Reduce -39.0% 0.06% −0.05
WM Waste Management Inc. Reduce -0.2% 0.27% −0.04
ENB Enbridge Inc. Reduce -18.5% 0.17% −0.04
UNP Union Pacific Corp. Reduce -0.4% 0.48% −0.04
PINS Pinterest Inc. Class A Sold out 0.00% −0.03
SCHO Schwab Short-Term US Treas Reduce -22.8% 0.07% −0.03
CRWD CrowdStrike Holdings Inc. Class A Reduce -0.6% 0.18% −0.03
CL Colgate-Palmolive Co. Sold out 0.00% −0.03
DIS The Walt Disney Co. Reduce -3.6% 0.11% −0.03
LIN Linde PLC Reduce -0.2% 0.25% −0.02
EXR Extra Space Storage Inc. Reduce -11.8% 0.07% −0.02
PSA Public Storage Reduce -6.5% 0.08% −0.02
AON Aon PLC Class A Reduce -2.2% 0.09% −0.01
SNOW Snowflake Inc. Reduce -0.2% 0.12% −0.01
AJG Arthur J Gallagher & Co. Reduce -0.5% 0.07% −0.01
ZG Zillow Group Inc. Class A Reduce -0.1% 0.53% −0.01
KMB Kimberly-Clark Corp. Reduce -4.7% 0.03% −0.01
XYZ Block Inc. Reduce -6.9% 0.03% −0.00
IREN Iren Ltd. Reduce -69.0% 0.02% −0.00
MGK Vngrd Mrgstr MG CP GR ETF-Ui Reduce -0.2% 0.11% −0.00
TSLA Tesla Inc. Reduce -21.4% 0.03% 0.00
HD Home Depot Inc. Reduce -0.3% 0.66% +0.00
BLK BlackRock Inc. Reduce -0.3% 0.26% +0.00
AVGO Broadcom Inc. Reduce -3.7% 0.18% +0.01
ORCL Oracle Corp. Reduce -0.6% 0.11% +0.02

Portfolio Buys Q2 2025 → Q3 2025
GLW Corning Inc. Add +113.2% 2.53% +1.69
FLOT iShares Floating Rate Bond E Add +36.7% 6.18% +1.22
C Citigroup Inc. New 0.88% +0.88
GOOGL Alphabet Inc. Class A Add +0.5% 3.44% +0.71
VRT Vertiv Holdings Co. Class A Add +13.3% 3.43% +0.60
VST Vistra Corp. New 0.57% +0.57
STRL Sterling Infrastructure Inc. Add +1187.7% 0.50% +0.47
DELL Dell Technologies -C New 0.44% +0.44
CEG Constellation Energy Add +153.0% 0.66% +0.38
HOOD Robinhood Markets Inc. Class A Add +5.0% 0.97% +0.31
MS Morgan Stanley Add +15.8% 1.29% +0.20
NET Cloudflare Inc. Class A Add +3.2% 3.38% +0.10
ABBV Abbvie Inc. Add +25.1% 0.30% +0.09
ETN Eaton Corp. PLC Add +21.6% 0.63% +0.09
GEV GE Vernova Inc. Add +3.8% 0.94% +0.08
GS Goldman Sachs Group Inc. Add +153.3% 0.12% +0.07
ETF OPPORTUNITIES TRUST New 0.07% +0.07
SHOP Shopify Inc. Class A Add +2.3% 0.40% +0.07
SCHJ Schwab 1-5 YR Corp. BND ETF New 0.05% +0.05
BMNR Bitmine Immersion Technologi New 0.04% +0.04
IONQ Ionq Inc. New 0.03% +0.03
IBIT iShares Bitcoin Trust ETF New 0.02% +0.02
AMSC American Superconductor Corp. New 0.02% +0.02
XEL Xcel Energy Inc. New 0.02% +0.02
AEIS Advanced Energy Industries New 0.02% +0.02
GEHC GE Healthcare Technology New 0.02% +0.02
NEE Nextera Energy Inc. Add +1.6% 0.53% +0.00
SCHG Schwab US Large-Cap Growth Add +2.5% 0.03% +0.00
SCHF Schwab Intl Equity ETF Add +0.7% 0.03% −0.00
JPM JPMorgan Chase & Co. Add +0.3% 0.46% −0.00
AXP American Express Co. Add +0.7% 0.49% −0.02
VEEV Veeva Systems Inc. Class A Add +0.2% 0.68% −0.04
LLY Eli Lilly & Co. Add +1.8% 1.37% −0.14

Notes & Other Activity Q2 2025 → Q3 2025
STRATEGY INC (MSTR 8 PERP) SERIES A PERP PF Reduce -9.8% 62,813 $5.8M

Bonds, preferreds, convertibles and warrants; not part of the stock holdings or percentages above.

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q2 2026 115$1.1BNVDA, FLOT, BRK.A, MRVL, AAPL
Q1 2026 112$908.9MNVDA, BRK.A, FLOT, AAPL, VRT
Q4 2025 109$924.7MNVDA, BRK.A, FLOT, AAPL, GOOGL
Q3 2025 113$958.5MNVDA, BRK.A, FLOT, AAPL, MSFT
Q2 2025 103$872.1MNVDA, BRK.A, AAPL, FLOT, MSFT
Q1 2025 100$748.7MBRK.A, NVDA, AAPL, FLOT, GOOGL
Q4 2024 96$871.4MNVDA, BRK.A, AAPL, GOOGL, MRVL
Q3 2024 101$801.8MNVDA, BRK.A, AAPL, MSFT, GOOGL
Q2 2024 104$744.1MNVDA, BRK.A, AAPL, MSFT, GOOGL
Q1 2024 409$567.8MCGDV, VTI, AAPL, AMZN, MSFT