CIK: 0001389223
Total reported value
$273.7M
Reporting period: 2026-03-31 · Number of holdings: 126
Mathes Company, Inc. disclosed 126 holdings in its latest 13F filing for the period ending 2026-03-31, with total reported value of $273.7M and a quarterly turnover rate of 17.8%.
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Mathes Company, Inc.'s disclosed holdings carry a Herfindahl concentration index of 0.024 — mathematically equivalent to about 42 equally-sized positions, well below its 126 actual disclosed holdings. That gap points to a strategy built around a small core of high-conviction bets rather than broad diversification.
Position sizes vary widely across the portfolio (a coefficient of variation of 1.42), with a handful of outsized bets alongside many smaller positions.
No strong tilt toward either adding to existing winners or initiating outsized new positions was observed in the latest reported quarter.
Sector classification currently covers about 67% of this portfolio's disclosed value; the remainder includes holdings (e.g. unmapped tickers, options, or other security types) not yet covered by our sector mapping.
Add GEV
+0.1% $3.8M
Trim CRM
-87.2% -$3.0M
Add CAT
-0.4% $1.8M
Add VLO
+2.8% $1.6M
Trim GOOGL
-3.8% -$1.6M
Add DE
+2.2% $1.1M
| # | Ticker | Issuer | Asset Subclass | Weight | Weight Change | Shares Change | 4Q Trend |
|---|---|---|---|---|---|---|---|
| 1 | GEV | GE Vernova INC | Stock-Industrials | 5.55% | +1.49% | +0.06% | |
| 2 | IGM | Ishares Expanded Tech Sector | ETF-Tech | 5.34% | -0.34% | -0.06% | |
| 3 | GOOGL | Alphabet Inc-cl A | Stock-Comm Services | 4.50% | -0.47% | -3.83% | |
| 4 | NVDA | Nvidia CORP | Stock-Tech | 4.14% | -0.18% | -0.07% | |
| 5 | AAPL | Apple INC | Stock-Tech | 3.86% | -0.16% | +0.24% | |
| 6 | CAT | Caterpillar INC | Stock-Industrials | 3.46% | +0.72% | -0.45% | |
| 7 | VUG | Vanguard Growth ETF | ETF-Other | 3.40% | -0.30% | — | |
| 8 | VTI | Vanguard Total Stock Mkt ETF | ETF-Other | 3.36% | -0.06% | — | |
| 9 | AMZN | Amazon.com INC | Stock-Consumer Disc | 3.10% | -0.23% | +0.70% | |
| 10 | GE | General Electric | Stock-Industrials | 2.93% | -0.19% | -0.59% | |
| 11 | IWF | Ishares Russell 1000 Growth | ETF-Other | 2.49% | -0.21% | — | |
| 12 | PH | Parker Hannifin CORP | Stock-Industrials | 2.49% | +0.14% | +1.47% | |
| 13 | JPM | Jpmorgan Chase & Co | Stock-Financials | 2.41% | -0.13% | +1.50% | |
| 14 | DE | Deere & Co | Stock-Industrials | 2.14% | +0.45% | +2.22% | |
| 15 | MGK | Vanguard Mega Cap Growth ETF | ETF-Other | 2.12% | -0.20% | — | |
| 16 | WAB | Wabtec CORP | Stock-Industrials | 2.01% | +0.37% | +2.09% | |
| 17 | XLK | Ss Technology Select Sector | ETF-Tech | 1.91% | -0.11% | — | |
| 18 | MSFT | Microsoft CORP | Stock-Tech | 1.85% | -0.41% | +4.66% | |
| 19 | AVGO | Broadcom INC | Stock-Tech | 1.78% | -0.14% | +1.64% | |
| 20 | AXP | American Express Co | Stock-Financials | 1.69% | -0.25% | +3.82% | |
| 21 | VLO | Valero Energy CORP | Stock-Energy | 1.63% | +0.61% | +2.78% | |
| 22 | MA | Mastercard INC - A | Stock-Financials | 1.39% | -0.11% | +2.91% | |
| 23 | NWE | Northwestern Energy Group In | Stock-Utilities | 1.36% | — | +2.93% | |
| 24 | OSK | Oshkosh CORP | Stock-Industrials | 1.34% | +1.34% | NEW | |
| 25 | EVRG | Evergy INC | Stock-Utilities | 1.27% | +0.21% | +3.54% | |
| 26 | IWP | Ishares Russell Mid-cap Grow | ETF-Other | 1.25% | -0.05% | — | |
| 27 | EOG | Eog Resources INC | Stock-Energy | 1.17% | +0.37% | +3.51% | |
| 28 | GEHC | GE Healthcare Technology | Stock-Healthcare | 1.11% | -0.15% | -0.19% | |
| 29 | KO | Coca-cola Co/the | Stock-Consumer Staples | 1.10% | +0.18% | +7.08% | |
| 30 | EMR | Emerson Electric Co | Stock-Industrials | 1.08% | — | +4.15% | |
| 31 | XLY | Ss Consumer Disc Select Sect | ETF-Other | 1.06% | -0.07% | — | |
| 32 | STT | State Street CORP | Stock-Financials | 1.04% | — | +5.81% | |
| 33 | SPY | Ss Spdr S&p 500 ETF Trust-us | ETF-Large Cap & Growth | 1.02% | — | — | |
| 34 | DHR | Danaher CORP | Stock-Healthcare | 0.94% | -0.13% | +3.09% | |
| 35 | VV | Vanguard Large-cap ETF | ETF-Other | 0.92% | -0.31% | -22.81% | |
| 36 | PEP | Pepsico INC | Stock-Consumer Staples | 0.85% | -0.25% | -30.29% | |
| 37 | IWM | Ishares Russell 2000 ETF | ETF-Small Cap | 0.82% | — | — | |
| 38 | T | At&t INC | Stock-Comm Services | 0.69% | — | -21.67% | |
| 39 | QQQ | Invesco Qqq Trust Series 1 | ETF-Tech | 0.66% | — | -2.34% | |
| 40 | PFF | Ishares Preferred & Income S | ETF-Other | 0.60% | — | +6.95% | |
| 41 | BAC | Bank Of America CORP | Stock-Financials | 0.56% | -0.12% | -8.65% | |
| 42 | NFLX | Netflix INC | Stock-Comm Services | 0.56% | +0.18% | +38.59% | |
| 43 | MKC | Mccormick & Co-non Vtg Shrs | Stock-Consumer Staples | 0.53% | -0.12% | +6.54% | |
| 44 | COST | Costco Wholesale CORP | Stock-Consumer Staples | 0.51% | — | +0.36% | |
| 45 | PFE | Pfizer INC | Stock-Healthcare | 0.50% | — | — | |
| 46 | NUV | Nuveen Municipal Value | Stock-Other | 0.48% | — | — | |
| 47 | EIM | Eaton Vance Municipal Bond | Stock-Other | 0.43% | — | — | |
| 48 | MHD | Blackrock Muniholdings Fund | Stock-Other | 0.42% | +0.42% | NEW | |
| 49 | SDY | Ss Spdr S&p Dividend ETF | ETF-Other | 0.41% | — | — | |
| 50 | IYY | Ishares Dow Jones U.s. ETF | ETF-Other | 0.40% | — | — |
Performance for Q3 2026
+2.6%
Performance Last 4 Quarters
+28.8%
Based on 79% of reported portfolio value with available pricing
| Period | Holdings | Total value | Stability | Top holdings |
|---|---|---|---|---|
| 2026-03-31 | 126 | $273.7M | 18 | |
| 2025-12-31 | 126 | $280.4M | 10 | |
| 2025-09-30 | 125 | $278.5M | 30 | |
| 2025-06-30 | 122 | $269.6M | 0 | |
| 2025-03-31 | 123 | $245.9M | 100 | |
| 2024-12-31 | 124 | $274.0M | 0 | |
| 2024-09-30 | 127 | $283.5M | 0 | |
| 2024-06-30 | 128 | $275.5M | 0 | |
| 2024-03-31 | 132 | $266.9M | 0 | |
| 2023-12-31 | 129 | $242.7M | 0 | |
| 2023-09-30 | 124 | $215.5M | 0 | |
| 2023-06-30 | 125 | $228.6M | 0 | |
| 2022-12-31 | 127 | $198.2M | 0 | |
| 2022-09-30 | 125 | $179.4M | 0 | |
| 2022-06-30 | 126 | $205.7M | 0 | |
| 2022-03-31 | 128 | $257.9M | 0 | |
| 2021-12-31 | 131 | $292.3M | 0 | |
| 2021-09-30 | 124 | $269.5M | 0 | |
| 2021-06-30 | 124 | $277.9M | 100 | |
| 2021-03-31 | 124 | $259.0M | 12 | |
| 2020-12-31 | 122 | $246.3M | 17 | |
| 2020-09-30 | 113 | $214.6M | 14 | |
| 2020-06-30 | 110 | $201.0M | 30 | |
| 2020-03-31 | 98 | $150.4M | 41 | |
| 2019-12-31 | 122 | $214.1M | 22 | |
| 2019-09-30 | 121 | $193.9M | 17 | |
| 2019-06-30 | 121 | $188.9M | 17 | |
| 2019-03-31 | 130 | $196.4M | 30 | |
| 2018-12-31 | 122 | $158.5M | 33 | |
| 2018-09-30 | 131 | $214.2M | 20 | |
| 2018-06-30 | 134 | $209.6M | 16 | |
| 2018-03-31 | 134 | $214.1M | 23 | |
| 2017-12-31 | 143 | $218.6M | 18 | |
| 2017-09-30 | 144 | $212.4M | 27 | |
| 2017-06-30 | 139 | $208.9M | 20 | |
| 2017-03-31 | 132 | $188.1M | 16 | |
| 2016-12-31 | 137 | $181.5M | 21 | |
| 2016-09-30 | 129 | $176.4M | 21 | |
| 2016-06-30 | 134 | $171.4M | 17 | |
| 2016-03-31 | 124 | $166.5M | 32 | |
| 2015-12-31 | 128 | $176.1M | 36 | |
| 2015-09-30 | 127 | $151.5M | 26 | |
| 2015-06-30 | 150 | $187.2M | 19 | |
| 2015-03-31 | 159 | $194.9M | 22 | |
| 2014-12-31 | 164 | $191.2M | 25 | |
| 2014-09-30 | 162 | $198.5M | 45 | |
| 2014-06-30 | 169 | $202.3M | 41 | |
| 2014-03-31 | 164 | $186.7M | 32 | |
| 2013-12-31 | 160 | $186.2M | 59 | |
| 2013-09-30 | 82 | $104.9M | 23 | |
| 2013-06-30 | 79 | $91.9M | — |
Mathes Company, Inc.'s most significant position changes for 2026-03-31: New buy: Oshkosh CORP (OSK); Sold out: Okta INC (OKTA); New buy: Blackrock Muniholdings Fund (MHD); Sold out: BlackRock MuniHoldings Fund, Inc. (MHD); Sold out: Spdr S&p 600 Small Cap ETF (SLY).
| # | Ticker | Issuer | Weight Change | Shares Change | Action |
|---|---|---|---|---|---|
| 1 | GEV | GE Vernova INC | +1.5% | +0.06% | Add |
| 2 | CAT | Caterpillar INC | +0.7% | -0.45% | Trim |
| 3 | VLO | Valero Energy CORP | +0.6% | +2.78% | Add |
| 4 | DE | Deere & Co | +0.5% | +2.22% | Add |
| 5 | EOG | Eog Resources INC | +0.4% | +3.51% | Add |
| 6 | WAB | Wabtec CORP | +0.4% | +2.09% | Add |
| 7 | EVRG | Evergy INC | +0.2% | +3.54% | Add |
| 8 | NOW | Servicenow INC | +0.2% | +225.93% | Add |
| 9 | NFLX | Netflix INC | +0.2% | +38.59% | Add |
| 10 | KO | Coca-cola Co/the | +0.2% | +7.08% | Add |
| 11 | PH | Parker Hannifin CORP | +0.1% | +1.47% | Add |
| 12 | XOM | Exxon Mobil CORP | +0.1% | +14.97% | Add |
| 13 | JNJ | Johnson & Johnson | +0.1% | +33.18% | Add |
| 14 | IWP | Ishares Russell Mid-cap Grow | -0.1% | — | Unchanged |
| 15 | VTI | Vanguard Total Stock Mkt ETF | -0.1% | — | Unchanged |
| 16 | XLY | Ss Consumer Disc Select Sect | -0.1% | — | Unchanged |
| 17 | BCAT | Blackrock Capital Alloc Tr | -0.1% | -21.10% | Trim |
| 18 | XLK | Ss Technology Select Sector | -0.1% | — | Unchanged |
| 19 | MA | Mastercard INC - A | -0.1% | +2.91% | Add |
| 20 | WBD | Warner Bros Discovery INC | -0.1% | -49.55% | Trim |
| 21 | MKC | Mccormick & Co-non Vtg Shrs | -0.1% | +6.54% | Add |
| 22 | BAC | Bank Of America CORP | -0.1% | -8.65% | Trim |
| 23 | JPM | Jpmorgan Chase & Co | -0.1% | +1.50% | Add |
| 24 | DHR | Danaher CORP | -0.1% | +3.09% | Add |
| 25 | AVGO | Broadcom INC | -0.1% | +1.64% | Add |
| 26 | GEHC | GE Healthcare Technology | -0.2% | -0.19% | Trim |
| 27 | AAPL | Apple INC | -0.2% | +0.24% | Add |
| 28 | NVDA | Nvidia CORP | -0.2% | -0.07% | Trim |
| 29 | GE | General Electric | -0.2% | -0.59% | Trim |
| 30 | MGK | Vanguard Mega Cap Growth ETF | -0.2% | — | Unchanged |
| 31 | IWF | Ishares Russell 1000 Growth | -0.2% | — | Unchanged |
| 32 | AMZN | Amazon.com INC | -0.2% | +0.70% | Add |
| 33 | AXP | American Express Co | -0.3% | +3.82% | Add |
| 34 | PEP | Pepsico INC | -0.3% | -30.29% | Trim |
| 35 | VUG | Vanguard Growth ETF | -0.3% | — | Unchanged |
| 36 | VV | Vanguard Large-cap ETF | -0.3% | -22.81% | Trim |
| 37 | IGM | Ishares Expanded Tech Sector | -0.3% | -0.06% | Trim |
| 38 | MSFT | Microsoft CORP | -0.4% | +4.66% | Add |
| 39 | GOOGL | Alphabet Inc-cl A | -0.5% | -3.83% | Trim |
| 40 | CRM | Salesforce INC | -1.1% | -87.22% | Trim |
| 41 | OSK | Oshkosh CORP | — | NEW | New buy |
| 42 | OKTA | Okta INC | — | EXIT | Sold out |
| 43 | MHD | Blackrock Muniholdings Fund | — | NEW | New buy |
| 44 | MHD | BlackRock MuniHoldings Fund, Inc. | — | EXIT | Sold out |
| 45 | SLY | Spdr S&p 600 Small Cap ETF | — | EXIT | Sold out |
| 46 | WFC 4.7 PERP AA | Wells Fargo & Company | — | EXIT | Sold out |
| 47 | BE | Bloom Energy Corp- A | — | NEW | New buy |
| 48 | IBIT | Ishares Bitcoin Trust ETF | — | EXIT | Sold out |
| 49 | OKE | Oneok INC | — | NEW | New buy |
| 50 | LNG | Cheniere Energy INC | — | NEW | New buy |
| Period | Filed | Type | EDGAR |
|---|---|---|---|
| 2026-03-31 | 2026-05-08 | 13F-HR | View on EDGAR |
| 2025-12-31 | 2026-02-09 | 13F-HR | View on EDGAR |
| 2025-09-30 | 2025-11-12 | 13F-HR | View on EDGAR |
| 2025-06-30 | 2025-08-05 | 13F-HR | View on EDGAR |
| 2025-03-31 | 2025-05-01 | 13F-HR | View on EDGAR |
| 2024-12-31 | 2025-01-31 | 13F-HR | View on EDGAR |
| 2024-09-30 | 2024-10-29 | 13F-HR | View on EDGAR |
| 2024-06-30 | 2024-08-12 | 13F-HR | View on EDGAR |
| 2024-03-31 | 2024-05-02 | 13F-HR | View on EDGAR |
| 2023-12-31 | 2024-01-30 | 13F-HR | View on EDGAR |
| 2023-09-30 | 2023-10-26 | 13F-HR | View on EDGAR |
| 2023-06-30 | 2023-07-25 | 13F-HR | View on EDGAR |
| 2022-12-31 | 2023-01-25 | 13F-HR | View on EDGAR |
| 2022-09-30 | 2022-10-18 | 13F-HR | View on EDGAR |
| 2022-06-30 | 2022-08-01 | 13F-HR | View on EDGAR |
| 2022-03-31 | 2022-06-15 | 13F-HR | View on EDGAR |
| 2021-12-31 | 2022-02-04 | 13F-HR | View on EDGAR |
| 2021-09-30 | 2021-10-29 | 13F-HR | View on EDGAR |
| 2021-06-30 | 2021-07-20 | 13F-HR | View on EDGAR |
| 2021-03-31 | 2021-04-28 | 13F-HR | View on EDGAR |
| 2020-12-31 | 2021-01-20 | 13F-HR | View on EDGAR |
| 2020-09-30 | 2020-10-26 | 13F-HR | View on EDGAR |
| 2020-06-30 | 2020-07-27 | 13F-HR | View on EDGAR |
| 2020-03-31 | 2020-04-21 | 13F-HR | View on EDGAR |
| 2019-12-31 | 2020-01-30 | 13F-HR | View on EDGAR |
| 2019-09-30 | 2019-10-21 | 13F-HR | View on EDGAR |
| 2019-06-30 | 2019-07-29 | 13F-HR | View on EDGAR |
| 2019-03-31 | 2019-05-01 | 13F-HR | View on EDGAR |
| 2018-12-31 | 2019-01-29 | 13F-HR | View on EDGAR |
| 2018-09-30 | 2018-10-31 | 13F-HR | View on EDGAR |
| 2018-06-30 | 2018-07-27 | 13F-HR | View on EDGAR |
| 2018-03-31 | 2018-04-27 | 13F-HR | View on EDGAR |
| 2017-12-31 | 2018-01-19 | 13F-HR | View on EDGAR |
| 2017-09-30 | 2017-10-20 | 13F-HR | View on EDGAR |
| 2017-06-30 | 2017-07-17 | 13F-HR | View on EDGAR |
| 2017-03-31 | 2017-04-24 | 13F-HR | View on EDGAR |
| 2016-12-31 | 2017-01-27 | 13F-HR | View on EDGAR |
| 2016-09-30 | 2016-10-31 | 13F-HR | View on EDGAR |
| 2016-06-30 | 2016-08-15 | 13F-HR | View on EDGAR |
| 2016-03-31 | 2016-04-25 | 13F-HR | View on EDGAR |
| 2015-12-31 | 2016-01-28 | 13F-HR | View on EDGAR |
| 2015-09-30 | 2015-11-03 | 13F-HR | View on EDGAR |
| 2015-06-30 | 2015-07-31 | 13F-HR | View on EDGAR |
| 2015-03-31 | 2015-04-24 | 13F-HR | View on EDGAR |
| 2014-12-31 | 2015-01-29 | 13F-HR | View on EDGAR |
| 2014-09-30 | 2014-10-27 | 13F-HR | View on EDGAR |
| 2014-06-30 | 2014-08-05 | 13F-HR | View on EDGAR |
| 2014-03-31 | 2014-04-24 | 13F-HR | View on EDGAR |
| 2013-12-31 | 2014-01-30 | 13F-HR | View on EDGAR |
| 2013-09-30 | 2013-10-28 | 13F-HR | View on EDGAR |
| 2013-06-30 | 2013-07-30 | 13F-HR | View on EDGAR |
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