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Korro Bio, Inc.

KRRO
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0001703647

In the last 90 days, Korro Bio, Inc. insiders filed 1 open-market purchase and 7 sales; 106 institutions reported holding it in 13F filings for Q2 2026, worth $190.1M in total; no superinvestor holds it.

Q2 2026 vs. Q1 2026

How the institutions holding Korro Bio, Inc. changed between Q1 2026 and Q2 2026.

All holders in Q2 2026All holders in Q1 2026

13F holders of KRRO: Q1 2026 compared with Q2 2026
MeasureQ1 2026Of which not filed for Q2 2026Q2 2026Change
Holders992106+9
Shares12.8M9.79K14.4M+1.63M (+12.8%)
Value$144.8M$110.8K$190.1M+$45.4M (+31.4%)

2 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so the changes leave them out.

New holders (20)

Institutions that held Korro Bio, Inc. at the end of Q2 2026 but not at the end of Q1 2026.

Institutions new to KRRO in Q2 2026
InstitutionSharesValue% of portfolio
Walleye Capital LLC54,289$715.5K0.00%
Bank of America Corp51,707$681.5K0.00%
D. E. Shaw & Co., Inc.34,213$450.9K0.00%
Jump Financial, LLC33,906$446.9K0.00%
Panagora Asset Management Inc25,572$337.0K0.00%
Price T Rowe Associates Inc17,634$233.0K0.00%
HSBC Holdings PLC17,812$232.8K0.00%
Nuveen, LLC15,861$209.0K0.00%
Mercer Global Advisors Inc12,888$169.9K0.00%
Wealth Enhancement Advisory Services, LLC11,508$167.6K0.00%
Dimensional Fund Advisors LP11,406$150.3K0.00%
Cerity Partners LLC10,794$142.3K0.00%
Alliancebernstein L.P.12,180$137.9K0.00%
American Century Companies Inc10,153$133.8K0.00%
Simplex Trading, LLC1,975$26.0K0.00%
California State Teachers Retirement System93$1.23K0.00%
Timbuktu Capital Management, LLC38$5010.00%
Global Retirement Partners, LLC35$4610.00%
Wealth Enhancement Trust Services, Inc.33$4350.00%
Clearstead Advisors, LLC19$2520.00%

Sold out (11)

Institutions that held Korro Bio, Inc. at the end of Q1 2026 and filed for Q2 2026 without it.

Not filed for Q2 2026 yet (2)

Institutions that held Korro Bio, Inc. at the end of Q1 2026 and haven't filed a 13F for Q2 2026. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding KRRO in Q1 2026 that haven't filed for Q2 2026
InstitutionShares, Q1 2026Value, Q1 2026
CWM, LLC9,772$110.6K
Sunbelt Securities, Inc.17$192