Stocks/Funds/CIK 1729673

DDD Partners, LLC

long-term holder
Quarterly 13F filings · Latest period 2026-03-31 · CIK 1729673
Assets
$1.44B
+75.1% YoY
Holdings
134
Lifetime alpha vs market
-9.49% annual
Average hold time
3.0 yr
median 2.3 yr

Quarterly history

Cum return +25% vs S&P +145% · α -120% lifetimeAUM $1.4B · peak $1.6BFlow $-36M (-2%)2017-122019-062020-092021-122023-032024-062025-092026-03
AUM ($B)fundS&P 500(gap = α)/ Flow in/out

Behavior signals (lifetime)

Dip response
+6.15%
adds when stocks drop
when a holding falls −10%+
Middle response
-0.23%
baseline attrition
Rally response
-7.30%
trims into rallies
when a holding rises +10%+

Top positions · 30

Ticker$ value% portYoYHold time
MSFTMicrosoft Corporation$427M29.6%-0.6%8.3 yr
BRK-BBerkshire Hathaway Inc.$55M3.8%8.3 yr
AAPLApple Inc.$42M2.9%+14.7%8.3 yr
AMZNAmazon.com, Inc.$38M2.6%+9.5%8.3 yr
NWPXNWPX Infrastructure, Inc$33M2.3%+88.5%8.3 yr
COSTCostco Wholesale Corpora$26M1.8%+5.9%8.3 yr
AVGOBroadcom Inc.$25M1.7%+86.0%4.5 yr
GOOGAlphabet Inc.$23M1.6%+84.3%6.8 yr
NVDANVIDIA Corporation$22M1.5%+60.9%2.8 yr
CVXChevron Corporation$22M1.5%+29.2%4.5 yr
PEPPepsiCo, Inc.$21M1.5%+7.7%0.8 yr
CSCOCisco Systems, Inc.$21M1.5%+28.1%5.5 yr
REGNRegeneron Pharmaceutical$21M1.4%+22.5%1.0 yr
CMICummins Inc.$21M1.4%+74.8%4.0 yr
CBChubb Limited$21M1.4%+9.3%8.3 yr

Portfolio composition (YoY)

Industry mix
Software - Infrastructure29.7%+23.5pp$429M
Semiconductors5.6%-1.6pp$81M
Insurance - Diversified5.2%-6.3pp$74M
Specialty Retail4.0%+0.1pp$58M
Asset Management3.6%+0.1pp$52M
Internet Content & Information3.0%+0.7pp$44M
Consumer Electronics2.9%-1.3pp$42M
Manufacturing - Metal Fabrication2.3%+0.0pp$33M
Discount Stores2.0%-3.0pp$29M
Hardware, Equipment & Parts1.9%+0.4pp$28M
Country
US95.7%+5.5pp
CH1.4%-1.6pp
Unknown1.3%+1.1pp
IE1.1%-1.6pp
CA0.3%
IT0.2%-0.2pp
TW0.0%
GR0.0%-0.0pp
Top 5: 41.2% · Top 10: 49.3% · Top 25: 70.4%

Winners

TickerPrev $PnLYoY %
NWPX$19M+0.02B88.5%
GOOG$16M+0.01B84.3%
CMI$19M+0.01B74.8%
AVGO$16M+0.01B86.0%
NVDA$11M+0.01B60.9%

Losers

TickerPrev $PnLYoY %
QCOM$18M-0.00B-14.2%
MSFT$51M-0.00B-0.6%
DHR$0M-0.00B-7.1%
META$2M-0.00B-0.4%

Top buys this quarter · 15

WSO Watsco, Inc.new+$18M
TEL TE Connectivity Ltd.new+$16M
ESI Element Solutions Incnew+$12M
MTH Meritage Homes Corporationnew+$12M
ABT Abbott Laboratories+$7M
GPC Genuine Parts Company+$6M
QCOM QUALCOMM Incorporated+$20M
UNH UnitedHealth Group Incorporate+$4M
ALGN Align Technology, Inc.+$3M
PSMT PriceSmart, Inc.new+$3M

Top sells this quarter · 15

CIEN Ciena Corporation$44M
VZ Verizon Communications Inc.exit$21M
BN Brookfield Corporationexit$17M
PANW Palo Alto Networks, Inc.exit$15M
TMO Thermo Fisher Scientific Inc.exit$12M
CDNS Cadence Design Systems, Inc.exit$12M
RTX RTX Corporation$12M
UBER Uber Technologies, Inc.$11M
ELAN Elanco Animal Health Incorpora$7M
HII Huntington Ingalls Industries,$7M

Quarterly history (TTM returns)

PeriodAUM# PosReturn (1yr)SPY (1yr)Alpha (1yr)Flow
2026-03-31$1.44B134+9.74%+17.59%-7.85%-0.04B
2025-12-31$1.57B130+10.83%+17.72%-6.89%+0.00B
2025-09-30$1.57B129+15.50%+17.52%-2.02%+0.55B
2025-06-30$933M112+9.56%+14.94%-5.38%+0.06B
2025-03-31$823M102+3.47%+8.30%-4.84%+0.05B
2024-12-31$814M98+14.78%+24.89%-10.10%-0.14B
2024-09-30$921M102+10.35%+36.04%-25.69%+0.02B
2024-06-30$863M94-14.08%+24.49%-38.57%+0.04B
2024-03-31$818M90-16.22%+29.62%-45.84%+0.03B
2023-12-31$744M83-15.64%+26.18%-41.82%+0.05B
2023-09-30$693M86-14.83%+21.57%-36.40%+0.11B
2023-06-30$722M90+4.07%+19.42%-15.36%+0.10B
2023-03-31$642M80-18.37%-7.82%-10.55%-0.02B
2022-12-31$625M78-26.60%-18.17%-8.42%+0.07B
2022-09-30$551M84-19.25%-15.51%-3.74%-0.02B
2022-06-30$577M82-18.31%-10.62%-7.69%+0.02B