Institutional Manager · CIK 0000945625
HARTLINE INVESTMENT CORP/
WINNETKA, IL · File #028-04984
Latest AUM
$924.7M
Positions
109
Top-10 Concentration
60.5%
Filings
9
Portfolio Value Over Time
2024-03
2024-06
2024-09
2024-12
2025-03
2025-06
2025-09
2025-12
Biggest QoQ Changes
Ranked by conviction flow (share change × current price) so mark-to-market moves don't dominate. Price effect column shows how much of the $ change was just the stock moving.
| Action | Issuer | Ticker / CUSIP | Δ Shares | Flow ($) | Price Effect |
|---|---|---|---|---|---|
| REDUCE | NVIDIA CORPORATION COM | NVDA | -78,866 | -$14.7M | -$56,240 |
| ADD | SCHWAB 1-5 YEAR CORPORATE BOND ETF | 808524714 | +558,665 | +$13.9M | -$839 |
| ADD | ISHARES FLOATING RATE BOND ETF | 46429B655 | +258,845 | +$13.2M | -$260,830 |
| ADD | SERVICENOW INC COM | NOW | +69,449 | +$10.6M | -$16.5M |
| REDUCE | UBER TECHNOLOGIES INC COM | UBER | -87,758 | -$7.2M | -$2.8M |
| REDUCE | ADVANCED MICRO DEVICES INC COM | AMD | -31,025 | -$6.6M | +$7.7M |
| REDUCE | CLOUDFLARE INC CL A COM | NET | -30,042 | -$5.9M | -$2.6M |
| EXITED | STRATEGY INC SERIES A PERP PF | 594972887 | -62,813 | -$5.8M | $0 |
| REDUCE | PALANTIR TECHNOLOGIES INC CL A | PLTR | -23,607 | -$4.2M | -$488,673 |
| REDUCE | SALESFORCE INC COM | CRM | -15,628 | -$4.1M | +$487,029 |
Sector Allocation
Filing History
- 13F HOLDINGS REPORTQ/E Dec 2025109 pos · $924.7M
- 13F HOLDINGS REPORTQ/E Sep 2025114 pos · $964.3M
- 13F HOLDINGS REPORTQ/E Jun 2025104 pos · $880.6M
- 13F HOLDINGS REPORTQ/E Mar 2025101 pos · $749.5M
- 13F HOLDINGS REPORTQ/E Dec 202496 pos · $871.4M
- 13F HOLDINGS REPORTQ/E Sep 2024101 pos · $801.8M
- 13F HOLDINGS REPORTQ/E Jun 2024104 pos · $744,131
- 13F HOLDINGS REPORTQ/E Mar 2024409 pos · $567.8M
- 13F HOLDINGS REPORTQ/E Dec 2023105 pos · $556.7M
Top 20 Holdings — Dec 2025
| # | Issuer | Ticker | Shares | Value | % of Portfolio |
|---|---|---|---|---|---|
| 1 | NVIDIA CORPORATION COM | NVDA | 624,143 | $116.4M | 13.27% |
| 2 | BERKSHIRE HATHAWAY INC DEL CL A | BRK-A | 119 | $89.8M | 10.24% |
| 3 | ISHARES FLOATING RATE BOND ETF | 46429B655 | 1,418,087 | $72.1M | 8.22% |
| 4 | APPLE INC COM | AAPL | 217,048 | $59.0M | 6.73% |
| 5 | ALPHABET INC CAP STK CL A | GOOG | 133,926 | $41.9M | 4.78% |
| 6 | AMAZON COM INC COM | AMZN | 140,974 | $32.5M | 3.71% |
| 7 | MICROSOFT CORP COM | MSFT | 65,788 | $31.8M | 3.63% |
| 8 | VERTIV HOLDINGS CO COM CL A | VRT | 192,989 | $31.3M | 3.56% |
| 9 | MARVELL TECHNOLOGY INC COM | MRVL | 358,102 | $30.4M | 3.47% |
| 10 | CORNING INC COM | GLW | 288,783 | $25.3M | 2.88% |
| 11 | ADVANCED MICRO DEVICES INC COM | AMD | 116,487 | $24.9M | 2.84% |
| 12 | CLOUDFLARE INC CL A COM | NET | 121,122 | $23.9M | 2.72% |
| 13 | META PLATFORMS INC CL A | META | 31,161 | $20.6M | 2.35% |
| 14 | WALMART INC COM | WMT | 183,339 | $20.4M | 2.33% |
| 15 | ELI LILLY & CO COM | LLY | 13,760 | $14.8M | 1.69% |
| 16 | MORGAN STANLEY COM NEW | MS-PQ | 81,902 | $14.5M | 1.66% |
| 17 | PALANTIR TECHNOLOGIES INC CL A | PLTR | 81,034 | $14.4M | 1.64% |
| 18 | SCHWAB 1-5 YEAR CORPORATE BOND ETF | 808524714 | 577,290 | $14.4M | 1.64% |
| 19 | SERVICENOW INC COM | NOW | 91,010 | $13.9M | 1.59% |
| 20 | SOFI TECHNOLOGIES INC COM | SOFI | 475,451 | $12.4M | 1.42% |