Institutional Manager · CIK 0001729673
DDD Partners, LLC
BELLEVUE, WA · File #028-18300
Latest AUM
$1.57B
Positions
130
Top-10 Concentration
57.3%
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 | SERVICENOW INC | NOW | +124,858 | +$19.1M | -$12.7M |
| NEW | BROOKFIELD CORP | 11271J107 | +410,009 | +$18.8M | $0 |
| REDUCE | ELANCO ANIMAL HEALTH INC | ELAN | -826,351 | -$18.7M | +$4.4M |
| ADD | BOEING CO | BA-PA | +73,404 | +$15.9M | +$4,366 |
| NEW | EASTMAN CHEM CO | EMN | +241,662 | +$15.4M | $0 |
| EXITED | LYONDELLBASELL INDUSTRIES N | N53745100 | -292,750 | -$14.4M | $0 |
| EXITED | TEXAS INSTRS INC | 882508104 | -59,137 | -$10.9M | $0 |
| REDUCE | ALPHABET INC | GOOG | -30,251 | -$9.5M | +$7.8M |
| REDUCE | BERKSHIRE HATHAWAY INC DEL | BRK-A | -14,361 | -$7.2M | -$11,553 |
| ADD | PALO ALTO NETWORKS INC | PANW | +32,914 | +$6.1M | -$1.2M |
Sector Allocation
Filing History
- 13F HOLDINGS REPORTQ/E Dec 2025130 pos · $1.57B
- 13F HOLDINGS REPORTQ/E Sep 2025129 pos · $1.57B
- 13F HOLDINGS REPORTQ/E Jun 2025112 pos · $932.7M
- 13F HOLDINGS REPORTQ/E Mar 2025102 pos · $823.1M
- 13F HOLDINGS REPORTQ/E Dec 202498 pos · $813.7M
- 13F HOLDINGS REPORTQ/E Sep 2024102 pos · $920.9M
- 13F HOLDINGS REPORTQ/E Jun 202494 pos · $862.5M
- 13F HOLDINGS REPORTQ/E Mar 202490 pos · $818.2M
- 13F HOLDINGS REPORTQ/E Dec 202386 pos · $693.4M
Top 20 Holdings — Dec 2025
| # | Issuer | Ticker | Shares | Value | % of Portfolio |
|---|---|---|---|---|---|
| 1 | MICROSOFT CORP | MSFT | 1,148,952 | $555.7M | 37.37% |
| 2 | BERKSHIRE HATHAWAY INC DEL | BRK-A | 114,009 | $57.3M | 3.85% |
| 3 | APPLE INC | AAPL | 164,376 | $44.7M | 3.01% |
| 4 | AMAZON COM INC | AMZN | 179,593 | $41.5M | 2.79% |
| 5 | BROADCOM INC | AVGO | 87,078 | $30.1M | 2.03% |
| 6 | NWPX INFRASTRUCTURE INC | NWPX | 443,345 | $27.7M | 1.86% |
| 7 | ALPHABET INC | GOOG | 80,487 | $25.3M | 1.70% |
| 8 | CUMMINS INC | CMI | 46,127 | $23.5M | 1.58% |
| 9 | CHUBB LIMITED | CB | 73,471 | $22.9M | 1.54% |
| 10 | NVIDIA CORPORATION | NVDA | 121,081 | $22.6M | 1.52% |
| 11 | OLD REP INTL CORP | 680223104 | 490,373 | $22.4M | 1.51% |
| 12 | BANK AMERICA CORP | 060505104 | 406,530 | $22.4M | 1.50% |
| 13 | COSTCO WHSL CORP NEW | 22160K105 | 25,910 | $22.3M | 1.50% |
| 14 | META PLATFORMS INC | META | 32,898 | $21.7M | 1.46% |
| 15 | SERVICENOW INC | NOW | 141,424 | $21.7M | 1.46% |
| 16 | PROLOGIS INC. | PLDGP | 168,886 | $21.6M | 1.45% |
| 17 | DANAHER CORPORATION | 235851102 | 92,704 | $21.2M | 1.43% |
| 18 | CISCO SYS INC | CSCO | 272,443 | $21.0M | 1.41% |
| 19 | ELANCO ANIMAL HEALTH INC | ELAN | 927,018 | $21.0M | 1.41% |
| 20 | QUALCOMM INC | QCOM | 118,597 | $20.3M | 1.36% |