13F Insight
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DOSSIER · 13F-HR · Q1 2026

OSTERWEIS CAPITAL MANAGEMENT INC

$1.9B in tracked AUM across 277 positions as of Q1 2026.

OC
CIK 0001007524 · last filed Mar 31, 2026
Total AUM
$1.9B
as of Q1 2026
Holdings
277
—
positions
Whale Score
56
56
tracked
Activity
—
no data
changes this Q

Top 10 holdings

By portfolio weight as of Q1 2026.

#HoldingValueSharesWeight
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Filing history

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