Institutional Manager · CIK 0001803227
MATTERN CAPITAL MANAGEMENT, LLC
LAKEWOOD, CO · File #028-19975
Latest AUM
$846.9M
Positions
170
Top-10 Concentration
26.7%
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 | STARBUCKS CORP | SBUX | -98,055 | -$8.3M | -$40,896 |
| REDUCE | HONEYWELL INTL INC | 438516106 | -38,924 | -$7.6M | -$644,425 |
| EXITED | COMCAST CORP NEW | 20030N101 | -234,941 | -$7.4M | $0 |
| ADD | FACTSET RESH SYS INC | 303075105 | +9,971 | +$2.9M | +$75,554 |
| REDUCE | AMPHENOL CORP NEW | 032095101 | -17,616 | -$2.4M | +$921,519 |
| ADD | ROPER TECHNOLOGIES INC | ROP | +4,966 | +$2.2M | -$725,739 |
| ADD | BROWN FORMAN CORP | BF-B | +71,929 | +$1.9M | -$197,662 |
| REDUCE | NEXTERA ENERGY INC | NEE-PW | -22,955 | -$1.8M | +$766,591 |
| ADD | ZOETIS INC | ZTS | +12,436 | +$1.6M | -$1.1M |
| ADD | INTUIT | INTU | +2,296 | +$1.5M | -$210,227 |
Sector Allocation
Filing History
- 13F HOLDINGS REPORTQ/E Dec 2025170 pos · $846.9M
- 13F HOLDINGS REPORTQ/E Sep 2025172 pos · $850.6M
- 13F HOLDINGS REPORTQ/E Jun 2025170 pos · $832.4M
- 13F HOLDINGS REPORTQ/E Mar 2025163 pos · $785.4M
- 13F HOLDINGS REPORTQ/E Dec 2024160 pos · $767.4M
- 13F HOLDINGS REPORTQ/E Sep 2024156 pos · $794.6M
- 13F HOLDINGS REPORTQ/E Jun 2024157 pos · $723.8M
- 13F HOLDINGS REPORTQ/E Mar 2024157 pos · $736.5M
- 13F HOLDINGS REPORTQ/E Dec 2023135 pos · $618.2M
Top 20 Holdings — Dec 2025
| # | Issuer | Ticker | Shares | Value | % of Portfolio |
|---|---|---|---|---|---|
| 1 | APPLE INC | AAPL | 76,733 | $20.9M | 3.86% |
| 2 | MICROSOFT CORP | MSFT | 35,625 | $17.2M | 3.19% |
| 3 | WALMART INC | WMT | 143,189 | $16.0M | 2.95% |
| 4 | CENCORA INC | COR | 42,561 | $14.4M | 2.66% |
| 5 | BROADCOM INC | AVGO | 37,776 | $13.1M | 2.42% |
| 6 | LOWES COS INC | 548661107 | 53,340 | $12.9M | 2.38% |
| 7 | ANALOG DEVICES INC | ADI | 47,419 | $12.9M | 2.38% |
| 8 | COSTCO WHSL CORP NEW | 22160K105 | 14,586 | $12.6M | 2.33% |
| 9 | WW GRAINGER INC | 384802104 | 12,234 | $12.3M | 2.28% |
| 10 | AFLAC INC | AFL | 108,905 | $12.0M | 2.22% |
| 11 | PHILLIPS 66 | PSX | 90,449 | $11.7M | 2.16% |
| 12 | CISCO SYS INC | CSCO | 151,113 | $11.6M | 2.15% |
| 13 | CHUBB LIMITED | CB | 36,374 | $11.4M | 2.10% |
| 14 | AMGEN INC | AMGN | 34,576 | $11.3M | 2.09% |
| 15 | GENERAL DYNAMICS CORP | GD | 33,273 | $11.2M | 2.07% |
| 16 | BLACKROCK INC | BLK | 10,408 | $11.1M | 2.06% |
| 17 | NEXTERA ENERGY INC | NEE-PW | 137,085 | $11.0M | 2.04% |
| 18 | S&P GLOBAL INC | SPGI | 20,992 | $11.0M | 2.03% |
| 19 | BROWN & BROWN INC | BRO | 137,386 | $10.9M | 2.03% |
| 20 | L3HARRIS TECHNOLOGIES INC | LHX | 36,621 | $10.8M | 1.99% |