Institutional Manager · CIK 0001389223
Mathes Company, Inc.
New York, NY · File #028-12290
Latest AUM
$280,379
Positions
126
Top-10 Concentration
45.3%
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 |
|---|---|---|---|---|---|
| ADD | SPDR Fd Technology | 81369Y803 | +17,000 | +$2,447 | -$3,074 |
| REDUCE | Ishares North American Tech ETF | 464287549 | -17,109 | -$2,210 | +$451 |
| ADD | Consumer Discretionary Select Sector SPDR | 81369Y407 | +12,600 | +$1,504 | -$1,683 |
| REDUCE | Apple Inc. | AAPL | -5,118 | -$1,391 | +$803 |
| ADD | Netflix Inc | NFLX | +10,495 | +$984 | -$1,089 |
| ADD | Vanguard Total Stock Market ETF | 922908769 | +2,500 | +$838 | +$186 |
| REDUCE | Invesco QQQ Trust, Series 1 | IVZ | -1,000 | -$614 | +$58 |
| EXITED | ISHARES TR | 464287499 | -6,301 | -$608 | $0 |
| REDUCE | Mastercard Inc. | MA | -985 | -$562 | +$16 |
| EXITED | JP Morgan Chase & Co Prfrd Ser L | 48128B549 | -27,750 | -$562 | $0 |
Sector Allocation
Filing History
- 13F HOLDINGS REPORTQ/E Dec 2025126 pos · $280,379
- 13F HOLDINGS REPORTQ/E Sep 2025125 pos · $278,541
- 13F HOLDINGS REPORTQ/E Jun 2025122 pos · $269,575
- 13F HOLDINGS REPORTQ/E Mar 2025123 pos · $245,879
- 13F HOLDINGS REPORTQ/E Dec 2024124 pos · $274,031
- 13F HOLDINGS REPORTQ/E Sep 2024127 pos · $283,475
- 13F HOLDINGS REPORTQ/E Jun 2024128 pos · $275,479
- 13F HOLDINGS REPORTQ/E Mar 2024132 pos · $266,888
- 13F HOLDINGS REPORTQ/E Dec 2023124 pos · $215,496
Top 20 Holdings — Dec 2025
| # | Issuer | Ticker | Shares | Value | % of Portfolio |
|---|---|---|---|---|---|
| 1 | Ishares North American Tech ETF | 464287549 | 123,315 | $15,927 | 6.53% |
| 2 | Alphabet Inc. Class A | GOOG | 44,554 | $13,945 | 5.72% |
| 3 | Nvidia Corp. | NVDA | 65,012 | $12,125 | 4.97% |
| 4 | GE Vernova Inc. | GEV | 17,397 | $11,370 | 4.66% |
| 5 | Apple Inc. | AAPL | 41,492 | $11,280 | 4.63% |
| 6 | Vanguard Growth ETF | 922908736 | 21,275 | $10,379 | 4.26% |
| 7 | Vanguard Total Stock Market ETF | 922908769 | 28,640 | $9,602 | 3.94% |
| 8 | Amazon Com Inc | AMZN | 40,470 | $9,341 | 3.83% |
| 9 | GE Aerospace Trading | 369604301 | 28,421 | $8,754 | 3.59% |
| 10 | Caterpillar Inc | CAT | 13,414 | $7,684 | 3.15% |
| 11 | Ishares Russell 1000 Growth ETF | 464287614 | 16,000 | $7,573 | 3.11% |
| 12 | JP Morgan Chase & Co | VYLD | 22,071 | $7,112 | 2.92% |
| 13 | Parker Hannifin Corp. | PH | 7,493 | $6,586 | 2.70% |
| 14 | Vanguard Mega Cap Growth ETF | 921910816 | 15,790 | $6,518 | 2.67% |
| 15 | Microsoft Corp | MSFT | 13,089 | $6,330 | 2.60% |
| 16 | SPDR Fd Technology | 81369Y803 | 39,300 | $5,658 | 2.32% |
| 17 | American Express Co. | AXP | 14,723 | $5,447 | 2.23% |
| 18 | Broadcom Inc. | AVGO | 15,520 | $5,371 | 2.20% |
| 19 | Deere & Co | DE | 10,157 | $4,729 | 1.94% |
| 20 | Wabtec | 929740108 | 21,535 | $4,597 | 1.89% |