Driehaus Capital Management’s Korro Bio KRRO Stock Holding History

Driehaus Capital Management’s Portfolio KRRO Stock Details KRRO Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$5.09M	Buy	+450,045	New	+$4.95M	0.04%	290
2025 Q4	–	Sell	-671,981	Closed	-$32.2M	–	439
2025 Q3	$32.2M	Buy	671,981 +91,122	+16%	+$2.02M	0.23%	144
2025 Q2	$7.25M	Sell	580,859 -1,590	-0.3%	-$22.9K	0.06%	286
2025 Q1	$10.1M	Buy	582,449 +87,544	+18%	+$2.6M	0.1%	244
2024 Q4	$18.8M	Buy	494,905 +340,410	+220%	+$17.5M	0.16%	179
2024 Q3	$5.16M	Buy	154,495 +37,637	+32%	+$1.58M	0.04%	278
2024 Q2	$3.96M	Buy	+116,858	New	+$6.46M	0.04%	271
2020 Q4	–	Sell	-1,722	Closed	-$1.65M	–	442
2020 Q3	$1.65M	Buy	+1,722	New	+$1.85M	0.03%	266

Other funds holding KRRO

LCM

Lynx1 Capital Management San Juan, Puerto Rico $633M AUM 173.22% 1-Year Est. Return

NMC

NEA Management Company Timonium, Maryland $1.76B AUM 223.33% 1-Year Est. Return

AVLSA

Atlas Venture Life Science Advisors Cambridge, Massachusetts $790M AUM 223.66% 1-Year Est. Return

Balyasny Asset Management Chicago, Illinois $77.1B AUM 42.89% 1-Year Est. Return

VR Adviser New York $2.68B AUM 422.73% 1-Year Est. Return

AAA

Affinity Asset Advisors New York $1.94B AUM 374.45% 1-Year Est. Return

NCM

Nantahala Capital Management New Canaan, Connecticut $2.72B AUM 121.58% 1-Year Est. Return

ACM

ADAR1 Capital Management Austin, Texas $1.7B AUM 340.85% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

TCM

TCG Crossover Management Palo Alto, California $3.5B AUM 1,165.83% 1-Year Est. Return

Driehaus Capital Management's KRRO Position: Q1 2026 in Review

Driehaus Capital Management opened a new position in Korro Bio (KRRO) in Q1 2026: 450,045 shares worth $5.09M. The stake represents 0.04% of the portfolio and ranks #290 among its holdings. This is a return to the name: Driehaus Capital Management previously reported a position in KRRO as recently as Q3 2025.

Driehaus Capital Management first reported a position in KRRO in Q3 2020 and has held it in 8 quarters since. The position peaked at $32.2M in Q3 2025. 99 funds tracked by Wall St. Rank hold KRRO as of Q1 2026.

Driehaus Capital Management held 450,045 shares of Korro Bio worth $5.09M as of Q1 2026.
Korro Bio was a new Driehaus Capital Management position in Q1 2026.
Korro Bio made up 0.04% of Driehaus Capital Management's portfolio in Q1 2026, its #290 holding.
Driehaus Capital Management first reported a position in Korro Bio in Q3 2020 and has held it in 8 quarters since.
Driehaus Capital Management's Korro Bio position peaked at $32.2M in Q3 2025.
99 funds tracked by Wall St. Rank held Korro Bio as of Q1 2026.

Based on Driehaus Capital Management's 13F filing for Q1 2026, filed 15 May 2026.