DRIEHAUS CAPITAL MANAGEMENT LLC

CIK 0000938206 · CHICAGO, IL · Quarter end: 2026-06-30 · Filed on: 2026-08-14 · Open the SEC source

DRIEHAUS CAPITAL MANAGEMENT LLC reported 354 positions worth $17.26B as of June 30, 2026 (13F filed August 14, 2026). Largest holding: TSM (2.7%).

Portfolio Value (AUM)Total value of the fund's US stock portfolio reported to the SEC.
$17.26B
2026 Q2
Positions
354
Top-10 ConcentrationHow much of the portfolio sits in the 10 largest holdings. High = concentrated bets.
16.3%
Est. Net Flow (Q)
2026 Q2
10 / 354 positions shown
#SymbolCompanyTypeValue% Port.Shares1YYTD
1TSMTSMCSH$470.2M2.73%984,500
2DFTXDefinium Therapeutics IncSH$322.0M1.87%6,845,276
3PRAXPraxis Precision Medicines IncSH$321.1M1.86%959,048
4XENEXenon Pharmaceuticals IncSH$266.7M1.55%4,418,557
5SIMOSilicon Motion Technology CorpSH$262.0M1.52%786,074
6SYRESpyre Therapeutics IncSH$248.5M1.44%2,799,166
7CRNXGBPCrinetics Pharmaceuticals IncSH$241.9M1.40%6,463,551
803770N101Apogee Therapeutics IncSH$231.0M1.34%1,740,101
9GHGuardant Health IncSH$230.1M1.33%1,533,985
10PLPlanet Labs PBCSH$222.7M1.29%6,721,154

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Read the 2026-Q2 quarterly report · 13F Filing Calendar

Frequently Asked Questions

What stocks does DRIEHAUS CAPITAL MANAGEMENT LLC hold as of Q2 2026?

DRIEHAUS CAPITAL MANAGEMENT LLC reported 354 positions worth $17.26B in its Q2 2026 13F filing. Largest positions: TSM (2.7%), DFTX (1.9%), PRAX (1.9%), XENE (1.5%) and SIMO (1.5%).

What did DRIEHAUS CAPITAL MANAGEMENT LLC buy in Q2 2026?

No previous quarter is available yet; the comparison appears with the next filing.

What did DRIEHAUS CAPITAL MANAGEMENT LLC sell in Q2 2026?

No previous quarter is available yet.

13F data shows quarter-end positions, is delayed by up to 45 days and covers only long positions in US-listed securities; short positions, most derivatives and non-US assets are not reported.