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

Courant Investment Management LLC

$87M in tracked AUM across 7 positions as of Q3 2026.

CI
CIK 0001695426 · last filed Sep 30, 2026
Total AUM
$87M
as of Q3 2026
Holdings
7
—
positions
Whale Score
67
67
tracked
Activity
—
no data
changes this Q
AI Analysis · Q3 2026

Portfolio Overview

Courant Investment Management LLC has reported a significant expansion in its portfolio activity for the period ending December 31, 2025. The total assets under management (AUM) surged by 150.0%, growing from $44.24 million in the previous quarter to $110.60 million. This substantial capital infusion coincides with a dramatic restructuring of the portfolio's composition. The firm has shifted from a previously undisclosed set of holdings to a highly concentrated portfo...

Key Holdings

The portfolio is dominated by large-cap, established industry leaders, with a particular heavy weighting in financial services. The largest position is JPMorgan Chase & Co (JPM), representing 24.38% of the portfolio ($26.97M). Despite being the largest holding, it was one of only two positions to see a reduction this quarter, suggesting the manager may be taking profits or rebalancing after a significant price run-up.

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.

#HoldingValueSharesWeight
01
PGR
PROGRESSIVE CORP
$24M116K27.6%02
SCHW
SCHWAB CHARLES CORP
$18M183K20.6%03
ULTA
ULTA BEAUTY INC
$12M22K13.6%04
LOW
LOWES COS INC
$9M50K10.6%05
FISV
FISERV INC
$9M190K9.8%06
JPM
JPMORGAN CHASE & CO
$9M26K9.7%07
BRO
BROWN & BROWN INC
$7M116K8.1%

Filing history

2026Q3Sep 30
$87M▼ 15.3%
7 positionsView →2026Q2Jun 30
$103M▲ 0.6%
7 positionsView →2026Q1Mar 31
$102M▼ 7.4%
7 positionsView →2025Q4Dec 31
$111M▲ 150.0%
6 positionsView →2025Q3Sep 30
$44M▼ 64.2%
2 positionsLocked2025Q2Jun 30
$124M▲ 275.7%
8 positionsLocked2025Q1Mar 31
$33M▼ 72.2%
2 positionsLocked2024Q4Dec 31
$118M▼ 0.7%
8 positionsLocked2024Q3Sep 30
$119M▲ 11.7%
9 positionsLocked2024Q2Jun 30
$107M▼ 11.4%
9 positionsLocked2024Q1Mar 31
$120M▲ 16.9%
9 positionsLocked2023Q4Dec 31
$103M▲ 13.5%
9 positionsLocked
Showing 12 of 38