13F Insight
DOSSIER · 13F-HR · Q3 2026

Defender Capital, LLC.

$319M in tracked AUM across 38 positions as of Q3 2026.

DC
CIK 0001766929 · last filed Sep 30, 2026
Total AUM
$319M
as of Q3 2026
Holdings
38
—
positions
Whale Score
69
69
tracked
Activity
—
no data
changes this Q
AI Analysis · Q3 2026
SEC 13F Filing Analysis: Defender Capital, LLC
1. Portfolio Overview

Defender Capital, LLC manages a concentrated portfolio valued at approximately $308.65 million as of December 31, 2025. The portfolio consists of 38 holdings, indicating a focus on high-conviction investing rather than broad diversification. The firm executed a massive strategic pivot during the quarter, increasing the portfolio's value by 3.5% (from $298.18M) while completely overhauling the asset base.

The ...

2. Key Holdings

The portfolio is dominated by a small group of high-conviction names, with Berkshire Hathaway (BRK/B) serving as the largest anchor position at $50.49 million (16.36%). This represents a classic defensive value play, providing stability and capital allocation expertise.

The second and third largest positions, Palantir Technologies (PLTR) at $43.13 million (13.98%) and Danaher Corp (DHR) at $35.72 million (11.57%), signal a strong tilt toward technology-driven operational efficiency and healthcare innovation.

Analysis generated by 13F Insight from SEC Form 13F filing data · Q3 2026. Methodology

Quarter at a glance — Q3 2026

Position-change comparison pending.

No quarter-over-quarter changes available.

Top 10 holdings

By portfolio weight as of Q3 2026. Source: SEC EDGAR 13F-HR filings.

#HoldingValueSharesWeight
01
PLTR
PALANTIR TECHNOLOGIES INC
$60M320K18.7%02
BRK/B
BERKSHIRE HATHAWAY INC DEL
$50M100K15.6%03
DHR
DANAHER CORPORATION
$33M148K10.3%04
AXON
AXON ENTERPRISE INC
$30M72K9.5%05
VLTO
VERALTO CORP
$23M247K7.3%06
MNST
MONSTER BEVERAGE CORP NEW
$16M386K5.0%07
TDY
TELEDYNE TECHNOLOGIES INC
$15M25K4.7%08
AMZN
AMAZON COM INC
$11M44K3.4%09
TSLA
TESLA INC
$11M30K3.3%10
COST
COSTCO WHSL CORP NEW
$11M12K3.3%

Filing history

2026Q3Sep 30
$319M▲ 3.6%
38 positionsView →2026Q2Jun 30
$308M▲ 9.2%
37 positionsView →2026Q1Mar 31
$282M▼ 8.7%
34 positionsView →2025Q4Dec 31
$309M▲ 3.5%
38 positionsView →2025Q3Sep 30
$298M▲ 1.2%
35 positionsLocked2025Q2Jun 30
$295M▲ 16.1%
39 positionsLocked2025Q1Mar 31
$254M▼ 6.8%
35 positionsLocked2024Q4Dec 31
$272M▼ 9.7%
39 positionsLocked2024Q3Sep 30
$301M▲ 2.9%
35 positionsLocked2024Q2Jun 30
$293M▼ 0.4%
35 positionsLocked2024Q1Mar 31
$294M▲ 3.2%
36 positionsLocked2023Q4Dec 31
$285M▲ 3.2%
36 positionsLocked
Showing 12 of 32