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Equibles

Driehaus Capital Management LLC

Position in DFTX — Definium Therapeutics, Inc.

CIK 938206 Chicago, IL
Back to DFTX Full portfolio

Position in DFTX

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$322,001,783
+$210,267,081 QoQ
Shares Held
6,845,276
+15.8% QoQ
Ownership
5.09%
of shares outstanding
% of Portfolio
1.87%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2024
10 quarters on record
Voting authority Sole 85% Shared 0% None 15%

Common Shares in DFTX Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Jun 30, 2026

Driehaus Capital Management LLC holds $3,707,249,767 across 60 Biotechnology names. DFTX ranks #1 (8.7% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 DFTX
Definium Therapeutics, Inc.
This page 		6,845,276 $322,001,783
2 PRAX
Praxis Precision Medicines, Inc.
 959,048 $321,079,679
3 XENE
Xenon Pharmaceuticals Inc.
 4,418,557 $266,704,100
4 SYRE
Spyre Therapeutics, Inc.
 2,799,166 $248,509,957
5
6,463,551 $241,866,078
6
1,740,101 $230,963,605
7 EWTX
Edgewise Therapeutics, Inc.
 4,728,623 $192,123,952
8 SEPN
Septerna, Inc.
 4,433,058 $148,463,112

All Filings in DFTX

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3 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $322,001,783 6,845,276
2026-03-31 $111,734,702 5,911,889
2025-12-31 $87,533,134 6,537,202