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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 8 sales; 106 institutions reported holding it in 13F filings for Q2 2026, worth $190.1M in total; no superinvestor holds it.

13F holders, Q1 2021

Institutional positions in Korro Bio, Inc. as of Mar 31, 2021. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
115
No complete 13F data for Q4 2020
Shares held
19.7M
No complete 13F data for Q4 2020
Total value
$186.6M
No complete 13F data for Q4 2020

Holders and value by quarter

Institutions reporting KRRO on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2021: 115 institutions
Q1 2021: 115 institutionsQ2 2021: 91 institutionsQ3 2021: 88 institutionsQ4 2021: 84 institutionsQ1 2022: 86 institutionsQ2 2022: 58 institutionsQ3 2022: 55 institutionsQ4 2022: 50 institutionsQ1 2023: 43 institutionsQ2 2023: 41 institutionsQ3 2023: 42 institutionsQ4 2023: 40 institutionsQ1 2024: 49 institutionsQ2 2024: 64 institutionsQ3 2024: 71 institutionsQ4 2024: 84 institutionsQ1 2025: 75 institutionsQ2 2025: 71 institutionsQ3 2025: 92 institutionsQ4 2025: 83 institutionsQ1 2026: 99 institutionsQ2 2026: 106 institutions
Value heldQ1 2021: $186.6M
Q1 2021: $186.6MQ2 2021: $193.9MQ3 2021: $130.4MQ4 2021: $90.2MQ1 2022: $33.1MQ2 2022: $13.0MQ3 2022: $14.1MQ4 2022: $28.3MQ1 2023: $2.52MQ2 2023: $1.67MQ3 2023: $2.58MQ4 2023: $301.5MQ1 2024: $618.6MQ2 2024: $285.7MQ3 2024: $285.3MQ4 2024: $359.6MQ1 2025: $169.0MQ2 2025: $114.8MQ3 2025: $465.5MQ4 2025: $60.6MQ1 2026: $144.8MQ2 2026: $190.1M
Institutions holding KRRO and their total value by quarter
QuarterHoldersValue
Q2 2026106$190.1M
Q1 202699$144.8M
Q4 202583$60.6M
Q3 202592$465.5M
Q2 202571$114.8M
Q1 202575$169.0M
Q4 202484$359.6M
Q3 202471$285.3M
Q2 202464$285.7M
Q1 202449$618.6M
Q4 202340$301.5M
Q3 202342$2.58M
Q2 202341$1.67M
Q1 202343$2.52M
Q4 202250$28.3M
Q3 202255$14.1M
Q2 202258$13.0M
Q1 202286$33.1M
Q4 202184$90.2M
Q3 202188$130.4M
Q2 202191$193.9M
Q1 2021115$186.6M

Institutions, Q1 2021

Shares, value and share of portfolio for each institution holding Korro Bio, Inc..

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.

Institutions holding KRRO in Q1 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Panagora Asset Management Inc33$00.00%––
TCI Wealth Advisors, Inc.50$00.00%––
State of Wyoming34$00.00%––
Kelly Financial Services LLC70$6650.00%––
Daiwa Securities Group Inc.63$1.00K0.00%––
Geneos Wealth Management Inc.100$1.00K0.00%––
The PNC Financial Services Group, Inc.200$2.00K0.00%––
Carmichael Hill & Associates, Inc.257$2.00K0.00%––
Pacifica Partners Inc.210$2.00K0.00%––
Macquarie Group Ltd693$7.00K0.00%––
Penserra Capital Management LLC760$7.00K0.00%––
Benjamin F. Edwards & Company, Inc.867$8.00K0.00%––
Eaton Vance Management1,000$10.0K0.00%––
Bollard Group LLC1,111$11.0K0.00%––
FNY Investment Advisers, LLC1,400$13.0K0.00%––
Pacer Advisors, Inc.1,446$14.0K0.00%––
Great West Life Assurance Co1,717$16.0K0.00%––
Zurcher Kantonalbank (Zurich Cantonalbank)1,654$16.0K0.00%––
Tower Research Capital LLC (TRC)1,776$17.0K0.00%––
Ameritas Investment Partners, Inc.2,140$20.0K0.00%––
Royal Bank of Canada2,507$24.0K0.00%––
Meeder Asset Management Inc2,861$27.0K0.00%––
Edmond de Rothschild Holding S.A.2,980$28.0K0.00%––
Bank Julius Baer & Co. Ltd, Zurich3,158$30.0K0.00%––
Maven Securities LTD3,500$33.0K0.00%––
Group One Trading, L.P.3,769$36.0K0.00%––
Legal & General Group Plc4,247$40.0K0.00%––
Metropolitan Life Insurance Co5,551$52.7K0.00%––
Virtus ETF Advisers LLC8,184$78.0K0.03%––
DekaBank Deutsche Girozentrale10,000$85.0K0.00%––
Cerity Partners LLC10,000$95.0K0.00%––
DLD Asset Management, LP10,000$95.0K0.01%––
Advisory Services Network, LLC10,250$97.0K0.00%––
MetLife Investment Management10,286$97.7K0.00%––
Parametric Portfolio Associates LLC10,992$104.0K0.00%––
Victory Capital Management Inc11,003$105.0K0.00%––
Cubic Asset Management, LLC11,000$105.0K0.03%––
Voya Investment Management LLC11,376$108.0K0.00%––
ProShare Advisors LLC11,394$108.0K0.00%––
Morgan Stanley13,529$129.0K0.00%––
Manufacturers Life Insurance Company, The14,231$135.0K0.00%––
American International Group, Inc.14,637$139.0K0.00%––
Price T Rowe Associates Inc14,871$141.0K0.00%––
Quilter Plc15,750$150.0K0.00%––
UBS Asset Management Americas Inc16,100$152.9K0.00%––
JPMorgan Chase & Co16,383$155.0K0.00%––
STRS Ohio17,800$169.0K0.00%––
FMR LLC18,356$174.0K0.00%––
Deutsche Bank AG18,665$177.0K0.00%––
Two Sigma Investments, LP19,500$185.0K0.00%––
Jaffetilchin Investment Partners, LLC20,030$190.0K0.02%––
Schonfeld Strategic Advisors LLC20,001$190.0K0.00%––
Ameriprise Financial Inc20,316$193.0K0.00%––
Credit Suisse AG20,958$198.0K0.00%––
Wells Fargo & Company22,521$213.0K0.00%––
Millennium Management LLC22,374$213.0K0.00%––
Cutler Group LP22,820$216.0K0.02%––
Advisor Group Holdings, Inc.22,912$218.0K0.00%––
Walleye Trading LLC25,740$245.0K0.01%––
Goldman Sachs Group Inc26,099$248.0K0.00%––
Bank of America Corp29,328$279.0K0.00%––
Cresset Asset Management, LLC30,000$285.0K0.00%––
EMC Capital Management29,992$285.0K0.20%––
Rhumbline Advisers30,705$292.0K0.00%––
UBS Group AG31,061$296.0K0.00%––
New York State Common Retirement Fund33,700$320.0K0.00%––
State of Wisconsin Investment Board33,800$321.0K0.00%––
Alliancebernstein L.P.34,800$331.0K0.00%––
Northeast Financial Consultants Inc35,509$337.0K0.03%––
California State Teachers Retirement System37,871$360.0K0.00%––
Russell Investments Group, Ltd.39,784$377.0K0.00%––
Simplex Trading, LLC44,197$419.0K0.02%––
PDT Partners, LLC44,740$425.0K0.03%––
TRB Advisors LP47,285$449.0K0.17%––
Kennedy Capital Management, Inc.47,953$456.0K0.01%––
California Public Employees Retirement System51,500$489.0K0.00%––
Baker Bros. Advisors LP55,555$528.0K0.00%––
Neuberger Berman Group LLC55,708$533.0K0.00%––
Ikarian Capital, LLC56,479$536.0K0.08%––
Dimensional Fund Advisors LP56,573$537.0K0.00%––
Swiss National Bank57,800$549.0K0.00%––
Captrust Financial Advisors58,288$554.0K0.01%––
Bank of Montreal52,669$566.0K0.00%––
LMR Partners LLP59,900$569.0K0.01%––
Alps Advisors Inc61,033$580.0K0.01%––
Rafferty Asset Management, LLC61,934$588.0K0.00%––
Walleye Capital LLC67,800$644.0K0.04%––
Citigroup Inc77,707$738.0K0.00%––
Cubist Systematic Strategies, LLC78,215$743.0K0.01%––
Handelsbanken Fonder AB80,000$760.0K0.00%––
Squarepoint Ops LLC83,917$797.0K0.01%––
Pura Vida Investments, LLC100,000$950.0K0.07%––
Public Employees Retirement System of Ohio100,688$957.0K0.00%––
Bank of New York Mellon Corp100,911$958.0K0.00%––
Granahan Investment Management Inc102,317$972.0K0.02%––
Citadel Advisors LLC122,508$1.16M0.00%––
Jane Street Group, LLC125,114$1.19M0.00%––
Susquehanna International Group, LLP129,746$1.23M0.00%––
Laurion Capital Management LP145,367$1.38M0.02%––
Charles Schwab Investment Management Inc198,737$1.89M0.00%––