DOSSIER · 13F-HR · Q1 2026

Defender Capital, LLC.

Defender's family office based in Chicago, IL $282M in tracked AUM across 34 positions as of Q1 2026.

D
Defender·Chicago, IL·Family Office
CIK 0001766929 · last filed Mar 31, 2026
Total AUM
$282M
18.7%
vs prior
Holdings
34
positions
Whale Score
67
67
tracked
Activity
no data
changes this Q
Top sector
Tech
15% weight
concentration
AI Analysis · Q1 2026 · Q1 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 ...

Quarter at a glance — Q1 2026

Position-change comparison pending.

No quarter-over-quarter changes available.

Top 10 holdings

By portfolio weight as of Q1 2026.

#HoldingValueSharesWeight
01
BRK/B
Berkshire Hathaway Inc Cl B
$48M100K16.9%
02
PLTR
Palantir Technologies Inc
$42M285K14.8%
03
DHR
Danaher Corp
$30M158K10.6%
04
AXON
Axon Enterprise Inc
$25M59K8.9%
05
VLTO
Veralto Corp
$21M240K7.5%
06
MNST
Monster Beverage Corp
$15M209K5.4%
07
ARM
Arm Holdings Plc ADR
$15M99K5.3%
08
TDY
Teledyne Technologies
$14M23K5.0%
09
STAA
Staar Surgical Co
$12M645K4.3%
10
COST
Costco Wholesale Corp
$12M12K4.2%

Filing history

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