MATTERN CAPITAL MANAGEMENT, LLC — 13F Holdings & Portfolio
CIK 1803227 · latest 13F-HR filed 2026-07-24
MATTERN CAPITAL MANAGEMENT, LLC manages $856.7M in 13F-reported U.S. long-equity assets across 166 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are AAPL (2.58%), GWW (1.88%), MSFT (1.79%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 3 new positions, exited 7, added to 91, and trimmed 31.
AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.
SUITE 780
LAKEWOOD, CO 80228
$856.7M
Long-equity book
166
Distinct positions
2026-06-30
Filed 2026-07-24
+3 / −7 / ↑91 / ↓31
vs 2026-03-31
| Name | Title / Status | Ownership | Type |
|---|
Top Adds (vs prior quarter)
- JPMORGAN CHASE & CO$8.9M +579.2%
- CISCO SYS INC$4.6M +59.5%
- AMPHENOL CORP$4.4M +65.2%
- UNITEDHEALTH GROUP INC$4.2M +39.6%
- TEXAS INSTRS INC$3.9M +50.2%
Top Trims
- PHILLIPS 66-$9.9M -61.4%
- PPG INDS INC-$7.5M -92.8%
- COMMERCE BANCSHARES INC-$6.0M -75.3%
- REALTY INCOME CORP-$4.4M -77.9%
- FEDERAL RLTY INVT TR NEW-$3.8M -66.6%
Exited Positions
- MCCORMICK & CO INC$6.2M
- HONEYWELL INTL INC$453.0K
- ISHARES TR$244.4K
- VANGUARD INDEX FDS$242.5K
- ISHARES TR$233.0K
Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).
| # | Issuer | Symbol | CUSIP | Value | Weight | Shares | Type |
|---|---|---|---|---|---|---|---|
| 1 | APPLE INC | AAPL | 037833100 | $22.1M | 2.58% | 76,362 | SH |
| 2 | WW GRAINGER INC | GWW | 384802104 | $16.1M | 1.88% | 11,817 | SH |
| 3 | MICROSOFT CORP | MSFT | 594918104 | $15.3M | 1.79% | 41,086 | SH |
| 4 | UNITEDHEALTH GROUP INC | UNH | 91324P102 | $14.6M | 1.71% | 35,240 | SH |
| 5 | COSTCO WHOLESALE CORPORATION | COST | 22160K105 | $13.4M | 1.57% | 14,372 | SH |
| 6 | BROADCOM INC | AVGO | 11135F101 | $13.3M | 1.55% | 35,199 | SH |
| 7 | CENCORA INC | COR | 03073E105 | $13.3M | 1.55% | 46,831 | SH |
| 8 | AFLAC INC | AFL | 001055102 | $12.9M | 1.51% | 110,309 | SH |
| 9 | CISCO SYS INC | CSCO | 17275R102 | $12.5M | 1.45% | 106,058 | SH |
| 10 | LINDE PLC | LIN | G54950103 | $12.3M | 1.44% | 23,750 | SH |
| 11 | CHUBB LIMITED | CB | H1467J104 | $12.3M | 1.43% | 35,965 | SH |
| 12 | ELI LILLY & CO | LLY | 532457108 | $12.2M | 1.43% | 10,188 | SH |
| 13 | WEC ENERGY GROUP INC | WEC | 92939U106 | $12.1M | 1.42% | 103,889 | SH |
| 14 | LOWES COS INC | LOW | 548661107 | $12.1M | 1.41% | 54,910 | SH |
| 15 | GENERAL DYNAMICS CORP | GD | 369550108 | $11.9M | 1.39% | 33,512 | SH |
| 16 | TEXAS INSTRS INC | TXN | 882508104 | $11.8M | 1.38% | 39,548 | SH |
| 17 | NEXTERA ENERGY INC | NEE | 65339F101 | $11.6M | 1.35% | 131,600 | SH |
| 18 | CMS ENERGY CORP | CMS | 125896100 | $11.5M | 1.35% | 150,896 | SH |
| 19 | AUTOMATIC DATA PROCESSING IN | ADP | 053015103 | $11.2M | 1.31% | 50,215 | SH |
| 20 | AMERICAN WTR WKS CO INC NEW | AWK | 030420103 | $11.2M | 1.30% | 84,940 | SH |
| 21 | TRANE TECHNOLOGIES PLC | TT | G8994E103 | $11.1M | 1.30% | 22,695 | SH |
| 22 | AMPHENOL CORP | APH | 032095101 | $11.0M | 1.29% | 62,586 | SH |
| 23 | BROWN & BROWN INC | BRO | 115236101 | $10.9M | 1.27% | 169,855 | SH |
| 24 | SHERWIN WILLIAMS CO | SHW | 824348106 | $10.8M | 1.26% | 31,373 | SH |
| 25 | FACTSET RESH SYS INC | FDS | 303075105 | $10.8M | 1.26% | 46,828 | SH |
| 26 | L3HARRIS TECHNOLOGIES INC | LHX | 502431109 | $10.6M | 1.24% | 36,645 | SH |
| 27 | HOME DEPOT INC | HD | 437076102 | $10.6M | 1.24% | 30,013 | SH |
| 28 | WALMART INC | WMT | 931142103 | $10.6M | 1.24% | 93,445 | SH |
| 29 | PAYCHEX INC | PAYX | 704326107 | $10.6M | 1.23% | 107,571 | SH |
| 30 | ANALOG DEVICES INC | ADI | 032654105 | $10.5M | 1.22% | 26,398 | SH |
| 31 | JPMORGAN CHASE & CO | JPM | 46625H100 | $10.4M | 1.21% | 31,711 | SH |
| 32 | ECOLAB INC | ECL | 278865100 | $10.3M | 1.20% | 36,966 | SH |
| 33 | MOTOROLA SOLUTIONS INC | MSI | 620076307 | $10.3M | 1.20% | 24,690 | SH |
| 34 | ATMOS ENERGY CORP | ATO | 049560105 | $10.2M | 1.19% | 59,371 | SH |
| 35 | BLACKROCK INC | BLK | 09290D101 | $10.2M | 1.19% | 10,621 | SH |
| 36 | AMGEN INC | AMGN | 031162100 | $10.1M | 1.18% | 28,008 | SH |
| 37 | JOHNSON & JOHNSON | JNJ | 478160104 | $10.1M | 1.18% | 39,870 | SH |
| 38 | VISA INC | V | 92826C839 | $10.1M | 1.18% | 29,508 | SH |
| 39 | PARKER-HANNIFIN CORP | PH | 701094104 | $9.9M | 1.16% | 10,138 | SH |
| 40 | ABBOTT LABORATORIES | ABT | 002824100 | $9.9M | 1.15% | 109,046 | SH |
| 41 | ILLINOIS TOOL WKS INC | ITW | 452308109 | $9.9M | 1.15% | 36,515 | SH |
| 42 | XYLEM INC | XYL | 98419M100 | $9.9M | 1.15% | 83,398 | SH |
| 43 | WASTE MGMT INC DEL | WM | 94106L109 | $9.8M | 1.15% | 44,162 | SH |
| 44 | S&P GLOBAL INC | SPGI | 78409V104 | $9.8M | 1.15% | 24,125 | SH |
| 45 | ROPER TECHNOLOGIES INC | ROP | 776696106 | $9.8M | 1.15% | 29,027 | SH |
| 46 | NEW JERSEY RES CORP | NJR | 646025106 | $9.8M | 1.14% | 174,671 | SH |
| 47 | STRYKER CORPORATION | SYK | 863667101 | $9.8M | 1.14% | 31,079 | SH |
| 48 | PROLOGIS INC. | PLD | 74340W103 | $9.7M | 1.13% | 71,369 | SH |
| 49 | COLGATE PALMOLIVE CO | CL | 194162103 | $9.6M | 1.12% | 104,479 | SH |
| 50 | CINTAS CORP | CTAS | 172908105 | $9.5M | 1.11% | 55,902 | SH |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-06-30 | 2026-07-24 | $856.7M | 166 | 0001725547-26-000252 |
| 2026-03-31 | 2026-05-04 | $834.9M | 170 | 0001725547-26-000166 |
| 2025-12-31 | 2026-01-29 | $846.9M | 170 | 0001725547-26-000059 |