Two Sigma Investments’s Korro Bio KRRO Stock Holding History

Two Sigma Investments’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	$1.87M	Buy	165,472 +86,488	+110%	+$952K	﹤0.01%	2800
2025 Q4	$633K	Buy	78,984 +14,529	+23%	+$340K	﹤0.01%	3184
2025 Q3	$3.09M	Buy	64,455 +27,709	+75%	+$615K	﹤0.01%	1831
2025 Q2	$459K	Buy	+36,746	New	+$529K	﹤0.01%	2622
2024 Q3	–	Sell	-6,355	Closed	-$215K	–	3238
2024 Q2	$215K	Buy	+6,355	New	+$351K	﹤0.01%	2710
2022 Q2	–	Sell	-2,208	Closed	-$234K	–	2744
2022 Q1	$234K	Buy	2,208 +113	+5%	+$21.6K	﹤0.01%	2301
2021 Q4	$537K	Sell	2,095 -2,937	-58%	-$893K	﹤0.01%	3185
2021 Q3	$1.78M	Sell	5,032 -196	-4%	-$77.1K	﹤0.01%	2102
2021 Q2	$2.6M	Buy	5,228 +4,838	+1,241%	+$2.36M	0.01%	1663
2021 Q1	$185K	Buy	+390	New	+$758K	﹤0.01%	3643

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

DCM

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

Two Sigma Investments's KRRO Position: Q1 2026 in Review

Two Sigma Investments increased its Korro Bio (KRRO) stake by 110% in Q1 2026, buying an estimated $952K and bringing the position to 165,472 shares worth $1.87M. The position accounts for ﹤0.01% of the portfolio, ranked #2800.

Two Sigma Investments first reported a position in KRRO in Q1 2021 and has held it in 10 quarters since. The position peaked at $3.09M in Q3 2025. 99 funds tracked by Wall St. Rank hold KRRO as of Q1 2026.

Two Sigma Investments held 165,472 shares of Korro Bio worth $1.87M as of Q1 2026.
Two Sigma Investments bought 86,488 Korro Bio shares in Q1 2026, an estimated $952K.
Korro Bio made up ﹤0.01% of Two Sigma Investments's portfolio in Q1 2026, its #2800 holding.
Two Sigma Investments first reported a position in Korro Bio in Q1 2021 and has held it in 10 quarters since.
Two Sigma Investments's Korro Bio position peaked at $3.09M in Q3 2025.
99 funds tracked by Wall St. Rank held Korro Bio as of Q1 2026.

Based on Two Sigma Investments's 13F filing for Q1 2026, filed 15 May 2026.