DRIEHAUS CAPITAL MANAGEMENT LLC

Q2 2026 13F-HR Holdings

Location
Chicago, IL
Holdings as of
6/30/2026
Date filed
8/14/2026
Form type
13F-HR
Num holdings
354
Total value ($000)
$17,256,704
Net value change ($000)
+3,652,780 (26.9%)
New positions
84
Sold out positions
85
Turnover %
25.9%
Sector allocation + QoQ delta (equities-only)
Prev filing: 5/15/2026 Next filing: — SEC filing

Snapshot: Change Analysis

Compared to Q1 2026
Methodology: sector metrics are equities-only; instrument mix chart is ex-options; options exposure is shown separately. Why this matters.
Top Adds (Value $000, Stocks/ETFs)
DFTX 210,267 188.2%
SIMO 204,757 357.6%
VICR 158,059 518.2%
CRDO 140,615 NEW
UCTT 120,620 182.6%
DAVE 112,675 1038.3%
CDNS 110,229 NEW
XMTR 108,883 176.2%
SYRE 107,743 76.5%
CECO 103,474 271.4%
Top Reduces (Value $000, Stocks/ETFs)
FN -193,856 -95.0%
EYE -89,919 -100.0%
LITE -89,909 -55.9%
YUMC -89,330 -100.0%
BBIO -85,152 -100.0%
UEC -81,404 -72.4%
KRMN -78,237 -100.0%
IDCC -72,396 -57.4%
FTI -71,909 -100.0%
CGON -67,654 -100.0%
Instrument mix + QoQ Δ (ex-options)
How this table is calculated: SEC VALUE ($000) is used as reported. For derivatives (PUT/CALL/WARRANT/RIGHT), SEC value represents reported underlying exposure, not premium cash paid/received. Column % is bucket-based: non-options share is calculated inside non-option total, options share is calculated inside options total. Details.
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Instrument:
Issuer Name Ticker Sector Industry Class History Value ($000) % Shares Shares Δ Shares Δ% Value Δ ($000) Value Δ% Principal Option Type