Korro Bio Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

NasdaqCM:KRRO Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Role	Shares	Max Price
31 Mar 26	BuyUS$5,512	Lynx1 Capital Management LP	Company		520	US$10.60
10 Mar 26	BuyUS$2,300,881	Mohamad Makhzoumi	Individual		207,100	US$11.11

Insider Trading Volume

Insider Buying: KRRO insiders have bought more shares than they have sold in the past 3 months.

Ownership Breakdown

What is the ownership structure of KRRO?
Owner Type	Number of Shares	Ownership Percentage
Individual Insiders	579,892	4.02%
General Public	643,922	4.46%
Hedge Funds	1,040,054	7.21%
VC/PE Firms	3,444,542	23.9%
Institutions	8,714,161	60.4%

Dilution of Shares: Shareholders have been substantially diluted in the past year, with total shares outstanding growing by 53.6%.

Top Shareholders

Top 25 shareholders own 87.9% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
10.7%	Lynx1 Capital Management LP	1,538,296	US$14.1m	127%	2.19%
9%	New Enterprise Associates, Inc.	1,297,893	US$11.9m	19%	0.84%
7.88%	Atlas Venture Advisors, Inc.	1,137,149	US$10.4m	0%	1.37%
7.21%	Balyasny Asset Management L.P.	1,040,054	US$9.5m	0%	0.02%
7%	VR Management, LLC	1,009,500	US$9.2m	0%	0.33%
4.9%	Affinity Asset Advisors, LLC	706,904	US$6.5m	0%	0.44%
4.58%	Nantahala Capital Management, LLC	660,036	US$6.0m	10%	0.38%
3.75%	Cai Xinyi	540,165	US$4.9m	0%	no data
3.74%	ADAR1 Capital Management, LLC	540,054	US$4.9m	0%	0.33%
3.39%	The Vanguard Group, Inc.	489,639	US$4.5m	0%	no data
3.19%	BlackRock, Inc.	460,006	US$4.2m	0.57%	no data
3.12%	Driehaus Capital Management LLC	450,045	US$4.1m	0%	0.02%
2.89%	TCG Crossover Management, LLC	416,301	US$3.8m	0%	0.11%
2.55%	Qiming Weichuang Venture Capital Management (Shanghai) Company Limited	368,085	US$3.4m	0%	0.19%
2.41%	Artal Group S.A.	347,718	US$3.2m	0%	0.06%
1.92%	Point72 Asset Management, L.P.	276,831	US$2.5m	0%	no data
1.81%	AQR Capital Management, LLC	261,547	US$2.4m	544%	no data
1.58%	Adage Capital Management, L.P.	228,400	US$2.1m	0%	no data
1.2%	Geode Capital Management, LLC	173,643	US$1.6m	6.69%	no data
1.15%	Two Sigma Investments, LP	165,472	US$1.5m	110%	no data
0.97%	State Street Global Advisors, Inc.	140,341	US$1.3m	-4.02%	no data
0.94%	Renaissance Technologies LLC	136,227	US$1.2m	81.9%	no data
0.8%	Jane Street Group, LLC	115,704	US$1.1m	-59.9%	no data
0.76%	Kalehua Capital Management LLC	109,376	US$1.0m	0%	0.71%
0.47%	JPMorgan Chase & Co.	68,421	US$626.0k	2,480%	no data

Company Analysis and Financial Data Status

Data	Last Updated (UTC time)
Company Analysis	2026/05/20 15:40
End of Day Share Price	2026/05/20 00:00
Earnings	2026/03/31
Annual Earnings	2025/12/31

Data Sources

The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.

Package	Data	Timeframe	Example US Source ^*
Company Financials	10 years	Income statement Cash flow statement Balance sheet	SEC Form 10-K SEC Form 10-Q
Analyst Consensus Estimates	+3 years	Forecast financials Analyst price targets	Analyst Research Reports Blue Matrix
Market Prices	30 years	Stock prices Dividends, Splits and Actions	ICE Market Data SEC Form S-1
Ownership	10 years	Top shareholders Insider trading	SEC Form 4 SEC Form 13D
Management	10 years	Leadership team Board of directors	SEC Form 10-K SEC Form DEF 14A
Key Developments	10 years	Company announcements	SEC Form 8-K

^* Example for US securities, for non-US equivalent regulatory forms and sources are used.

Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more.

Analysis Model and Snowflake

Details of the analysis model used to generate this report is available on our Github page, we also have guides on how to use our reports and tutorials on Youtube.

Learn about the world class team who designed and built the Simply Wall St analysis model.

Industry and Sector Metrics

Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on Github.

Analyst Sources

Korro Bio, Inc. is covered by 14 analysts. 9 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.

Analyst	Institution
Steven Seedhouse	Cantor Fitzgerald & Co.
Tu Cam Nguyen	CGS International
Keay Nakae	Chardan Capital Markets, LLC