HARTLINE INVESTMENT CORP
Q3 2021 Form 13-F
WINNETKA, ILLINOIS
CIK 0000945625
· CRD 106923
· SEC-registered investment adviser
$719.1M Reported Value Total
HARTLINE INVESTMENT CORPORATION reports 400 total accounts under management (AUM). There are 360 discretionary accounts valued at $500,808,474, and 40 non-discretionary accounts valued at $212,180,323.
Source: Form ADV filed * Note that certain holdings are exempt from Form 13-F reporting, so the AUM totals may be greater than the Form 13-F total.
Source: Form ADV filed 2026-03-30
Reported value
$719.1M
Quarter over quarter
-6.4%
Holdings
121
Top-10 concentration
53.2%
Key People
Form ADV owners & control persons
Brian William Hart
PRESIDENT AND CEO
Kathryn Dunn Carroll
CHIEF COMPLIANCE OFFICER
Filing Navigation
Coverage begins with the second quarter of 2013. Earlier quarters are not shown while their accuracy is being verified.
13F Metrics
Loading 13F Metrics
Q3 2021 13F record
Q3 2021 13F filing summary
| Period of report | September 30, 2021 |
|---|---|
| Filed | November 09, 2021 |
| Form | 13F-HR |
| Reported value | $719.1M |
| Positions | 121 |
| Change in reported value | -9.2% |
| New positions | 1 |
| Exited positions | 3 |
| Position turnover | 3.2% |
| Top-10 concentration | 53.2% |
13F filings by quarter
| Quarter | Positions | Value |
|---|---|---|
|
Q2 2026 13F
Filed Jul 29, 2026
|
115 | $1.1B |
|
Q1 2026 13F
Filed Apr 29, 2026
|
112 | $908.9M |
|
Q4 2025 13F
Filed Feb 9, 2026
|
109 | $924.7M |
|
Q3 2025 13F
Filed Oct 29, 2025
|
114 | $964.3M |
|
Q2 2025 13F
Filed Jul 29, 2025
|
104 | $880.6M |
|
Q1 2025 13F
Filed Apr 29, 2025
|
101 | $749.5M |
|
Q4 2024 13F
Filed Jan 29, 2025
|
96 | $871.4M |
|
Q3 2024 13F
Filed Nov 5, 2024
|
101 | $801.8M |
|
Q2 2024 13F
Filed Aug 9, 2024
|
104 | $744.1M |
|
Q1 2024 13F
Filed Apr 30, 2024
|
409 | $567.8M |
|
Q4 2023 13F
Filed Feb 2, 2024
|
108 | $618.4M |
|
Q3 2023 13F
Filed Nov 3, 2023
|
105 | $556.7M |
|
Q2 2023 13F
Filed Aug 3, 2023
|
115 | $586.7M |
|
Q1 2023 13F
Filed May 8, 2023
|
107 | $501.0M |
|
Q4 2022 13F
Filed Feb 6, 2023
|
108 | $439.6M |
|
Q3 2022 13F
Filed Nov 1, 2022
|
148 | $121.1M |
|
Q2 2022 13F
Filed Aug 11, 2022
|
114 | $697.5M |
|
Q1 2022 13F
Filed May 10, 2022
|
123 | $791.5M |
|
Q4 2021 13F
Filed Feb 8, 2022
|
116 | $729.5M |
|
Q3 2021 13F
Filed Nov 9, 2021
|
121 | $719.1M |
33 earlier quarters on file — choose one from the quarter menu above.
Top 20 holdings · Q3 2021
| # | Holding | Reported value | % of portfolio |
|---|---|---|---|
| 1 | BRK-A BERKSHIRE HATHAWAY INC DEL CL A | $89.3M | 12.41% |
| 2 | NVDA NVIDIA CORPORATION COM | $50.5M | 7.02% |
| 3 | AAPL APPLE INC COM | $46.8M | 6.51% |
| 4 | NVCR NOVOCURE LTD ORD SHS | $35.6M | 4.95% |
| 5 | GOOGL ALPHABET INC CAP STK CL A | $29.7M | 4.13% |
| 6 | MSFT MICROSOFT CORP COM | $29.3M | 4.08% |
| 7 | MRVL MARVELL TECHNOLOGY INC COM | $28.9M | 4.01% |
| 8 | AMD ADVANCED MICRO DEVICES INC COM | $28.8M | 4.0% |
| 9 | AMZN AMAZON COM INC COM | $27.5M | 3.83% |
| 10 | PYPL PAYPAL HLDGS INC COM | $16.2M | 2.26% |
| 11 | ZG ZILLOW GROUP INC CL A | $14.8M | 2.06% |
| 12 | ZTS ZOETIS INC CL A | $14.7M | 2.04% |
| 13 | VEEV VEEVA SYS INC CL A COM | $14.1M | 1.96% |
| 14 | MP MP MATERIALS CORP COM CL A | $13.9M | 1.93% |
| 15 | NOW SERVICENOW INC COM | $13.4M | 1.86% |
| 16 | ENPH ENPHASE ENERGY INC COM | $13.2M | 1.84% |
| 17 | XYZ SQUARE INC CL A | $12.7M | 1.76% |
| 18 | WMT WALMART INC COM | $12.2M | 1.69% |
| 19 | MAR MARRIOTT INTL INC NEW CL A | $11.9M | 1.66% |
| 20 | SNOW SNOWFLAKE INC CL A | $11.8M | 1.64% |
Values as reported on the Q3 2021 Form 13F. Every position is in the holdings table below.