Acadian Asset Management’s Korro Bio KRRO Stock Holding History

Acadian Asset 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 Q2	$189K	Sell	14,480 -27,345	-65%	-$340K	﹤0.01%	1645
2026 Q1	$471K	Buy	41,825 +8,035	+24%	+$88.5K	﹤0.01%	1373
2025 Q4	$270K	Buy	+33,790	New	+$790K	﹤0.01%	1459
2023 Q4	–	Sell	-2,819	Closed	-$50K	–	1750
2023 Q3	$50K	Hold	2,819	–	–	﹤0.01%	1430
2023 Q2	$47K	Hold	2,819	–	–	﹤0.01%	1540
2023 Q1	$70K	Buy	+2,819	New	+$321K	﹤0.01%	1463
2022 Q2	–	Sell	-227	Closed	-$24K	–	1774
2022 Q1	$24K	Buy	+227	New	+$43.4K	﹤0.01%	1556

Other funds holding KRRO

LCM

Lynx1 Capital Management San Juan, Puerto Rico $866M AUM 231.68% 1-Year Est. Return

NMC

NEA Management Company Timonium, Maryland $1.59B AUM 234.06% 1-Year Est. Return

VR Adviser New York $3.3B AUM 525.74% 1-Year Est. Return

AVLSA

Atlas Venture Life Science Advisors Cambridge, Massachusetts $881M AUM 160.77% 1-Year Est. Return

Balyasny Asset Management Chicago, Illinois $80.2B AUM 51.53% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

AAA

Affinity Asset Advisors New York $2.21B AUM 431.26% 1-Year Est. Return

NCM

Nantahala Capital Management New Canaan, Connecticut $3.01B AUM 119.46% 1-Year Est. Return

Adage Capital Partners Boston, Massachusetts $71.3B AUM 56.8% 1-Year Est. Return

ACM

ADAR1 Capital Management Austin, Texas $2.19B AUM 374.99% 1-Year Est. Return

Acadian Asset Management's KRRO Position: Q2 2026 in Review

Acadian Asset Management reduced its Korro Bio (KRRO) stake by 65% in Q2 2026, selling an estimated $340K and leaving 14,480 shares worth $189K. The position accounts for ﹤0.01% of the portfolio, ranked #1645.

Acadian Asset Management first reported a position in KRRO in Q1 2022 and has held it in 7 quarters since. The position peaked at $471K in Q1 2026. 107 funds tracked by Wall St. Rank hold KRRO as of Q2 2026.

Acadian Asset Management held 14,480 shares of Korro Bio worth $189K as of Q2 2026.
Acadian Asset Management sold 27,345 Korro Bio shares in Q2 2026, an estimated $340K.
Korro Bio made up ﹤0.01% of Acadian Asset Management's portfolio in Q2 2026, its #1645 holding.
Acadian Asset Management first reported a position in Korro Bio in Q1 2022 and has held it in 7 quarters since.
Acadian Asset Management's Korro Bio position peaked at $471K in Q1 2026.
107 funds tracked by Wall St. Rank held Korro Bio as of Q2 2026.

Based on Acadian Asset Management's 13F filing for Q2 2026, filed 13 Aug 2026.