Driehaus Capital Management LLC

Position in KRRO — Korro Bio, Inc.

CIK 938206 Chicago, IL

Position in KRRO

as of Mar 31, 2026 · filed May 15, 2026 Compact

Position Value

$5,094,509

-$27,086,661 QoQ

Shares Held

450,045

-33.0% QoQ

Ownership

3.12%

of shares outstanding

% of Portfolio

0.04%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Jun 2024

7 quarters on record

Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Healthcare · as of Mar 31, 2026

Driehaus Capital Management LLC holds $3,010,622,183 across 56 Biotechnology names. KRRO ranks #48 (0.2% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	PRAX	Praxis Precision Medicines, Inc.	949,225	$305,830,802
2	XENE	Xenon Pharmaceuticals Inc.	4,491,653	$261,189,621
3	CRNX	Crinetics Pharmaceuticals, Inc.	6,395,922	$232,299,887
4	APGE	Apogee Therapeutics, Inc.	1,920,800	$161,673,736
5	EWTX	Edgewise Therapeutics, Inc.	4,477,942	$141,055,173
6	SYRE	Spyre Therapeutics, Inc.	2,790,785	$140,767,195
7	DFTX	Definium Therapeutics, Inc.	5,911,889	$111,734,702
8	SEPN	Septerna, Inc.	4,395,572	$105,625,595

8 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$5,094,509	450,045	-33.0%	Shares	Sole	2026-05-15
2025-09-30	$32,181,170	671,981	+15.7%	Shares	Sole	2025-11-14
2025-06-30	$7,254,928	580,859	-0.3%	Shares	Sole	2025-08-14
2025-03-31	$10,140,437	582,449	+17.7%	Shares	Sole	2025-05-15
2024-12-31	$18,841,033	494,905	0.0%	Shares	Sole	2025-02-14
2024-12-31	$18,841,033	494,905	+220.3%	Shares	Sole	2025-02-14
2024-09-30	$5,163,222	154,495	+32.2%	Shares	Sole	2024-11-14
2024-06-30	$3,957,980	116,858	—	Shares	Sole	2024-08-15
No filing history on record for this holder in this stock.