ADAR1 Capital Management’s Korro Bio KRRO Stock Holding History

ADAR1 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	$6.11M	Buy	+540,054	New	+$5.95M	0.36%	63
2025 Q4	–	Sell	-40,235	Closed	-$1.93M	–	282
2025 Q3	$1.93M	Sell	40,235 -28,580	-42%	-$634K	0.18%	80
2025 Q2	$859K	Buy	68,815 +100	+0.1%	+$1.44K	0.13%	94
2025 Q1	$1.2M	Buy	68,715 +10,737	+19%	+$318K	0.22%	75
2024 Q4	$2.21M	Buy	57,978 +8,527	+17%	+$438K	0.44%	45
2024 Q3	$1.65M	Buy	49,451 +42,241	+586%	+$1.78M	0.27%	55
2024 Q2	$244K	Buy	+7,210	New	+$398K	0.05%	132

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

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

DCM

Driehaus Capital Management Chicago, Illinois $13.6B AUM 173.98% 1-Year Est. Return

TCM

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

ADAR1 Capital Management's KRRO Position: Q1 2026 in Review

ADAR1 Capital Management opened a new position in Korro Bio (KRRO) in Q1 2026: 540,054 shares worth $6.11M. The stake represents 0.36% of the portfolio and ranks #63 among its holdings. This is a return to the name: ADAR1 Capital Management previously reported a position in KRRO as recently as Q3 2025.

ADAR1 Capital Management first reported a position in KRRO in Q2 2024 and has held it in 7 quarters since. 99 funds tracked by Wall St. Rank hold KRRO as of Q1 2026.

ADAR1 Capital Management held 540,054 shares of Korro Bio worth $6.11M as of Q1 2026.
Korro Bio was a new ADAR1 Capital Management position in Q1 2026.
Korro Bio made up 0.36% of ADAR1 Capital Management's portfolio in Q1 2026, its #63 holding.
ADAR1 Capital Management first reported a position in Korro Bio in Q2 2024 and has held it in 7 quarters since.
99 funds tracked by Wall St. Rank held Korro Bio as of Q1 2026.

Based on ADAR1 Capital Management's 13F filing for Q1 2026, filed 18 May 2026.