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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, Q4 2022

Institutional positions in Korro Bio, Inc. as of Dec 31, 2022. 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
50
−5 vs. Q3 2022
Shares held
7.40M
−488.6K (−6.2%) vs. Q3 2022
Total value
$28.3M
+$14.2M (+100.7%) vs. Q3 2022
New holders
4
8 more added
Sold out
9
15 more reduced

Compare with Q3 2022: new holders, sold out and not filed yet

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 holdersQ4 2022: 50 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 heldQ4 2022: $28.3M
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, Q4 2022

Shares, value and share of portfolio for each institution holding Korro Bio, Inc.; share changes are against Q3 2022.

Institutions holding KRRO in Q4 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Vanguard Group Inc1,723,166$6.63M0.00%−51,318−2.9%Reduced
BlackRock Inc.1,419,916$5.47M0.00%−278,809−16.4%Reduced
Federated Hermes, Inc.1,311,580$5.05M0.01%−12,438−0.9%Reduced
Wasatch Advisors Inc752,973$2.90M0.02%00.0%Unchanged
Renaissance Technologies LLC348,970$1.34M0.00%−20,473−5.5%Reduced
Geode Capital Management, LLC327,516$1.26M0.00%+17,963+5.8%Added
Gsa Capital Partners LLP264,728$1.02M0.13%+18,012+7.3%Added
Millennium Management LLC218,717$842.0K0.00%−38,716−15.0%Reduced
State Street Corp124,026$477.5K0.00%00.0%Unchanged
Bridgeway Capital Management, LLC88,700$341.5K0.01%00.0%Unchanged
Susquehanna International Group, LLP68,229$262.7K0.00%+11,214+19.7%Added
Northern Trust Corp60,660$233.5K0.00%00.0%Unchanged
North Star Investment Management Corp.60,000$231.0K0.02%00.0%Unchanged
Dimensional Fund Advisors LP52,076$200.0K0.00%+24,282+87.4%Added
Jaffetilchin Investment Partners, LLC45,911$176.8K0.02%−2,222−4.6%Reduced
Northeast Financial Consultants Inc45,826$176.4K0.01%00.0%Unchanged
Goldman Sachs Group Inc42,925$165.3K0.00%−13,040−23.3%Reduced
Citadel Advisors LLC40,836$157.2K0.00%−3,323−7.5%Reduced
Cresset Asset Management, LLC37,500$144.4K0.00%00.0%Unchanged
Waldron Private Wealth LLC70,670$126.0K0.01%00.0%Unchanged
Bank of America Corp32,617$125.6K0.00%+17,512+115.9%Added
Ergoteles LLC25,555$98.4K0.00%−92,189−78.3%Reduced
Charles Schwab Investment Management Inc23,364$90.0K0.00%00.0%Unchanged
Morgan Stanley22,589$87.0K0.00%−7,412−24.7%Reduced
Essex Financial Services, Inc.20,000$77.0K0.01%00.0%Unchanged
Neuberger Berman Group LLC20,000$77.0K0.00%00.0%Unchanged
Brown Advisory Inc19,795$76.2K0.00%00.0%Unchanged
Centaurus Financial, Inc.17,400$67.0K0.01%+5,200+42.6%Added
Bank of New York Mellon Corp15,928$61.3K0.00%00.0%Unchanged
Duncker Streett & Co Inc14,355$55.3K0.01%+14,355New
Cubic Asset Management, LLC11,000$42.4K0.01%00.0%Unchanged
Barclays PLC10,587$40.8K0.00%−969−8.4%Reduced
Jane Street Group, LLC10,029$38.6K0.00%−14,595−59.3%Reduced
Tortoise Investment Management, LLC10,000$38.5K0.01%00.0%Unchanged
Belpointe Asset Management LLC9,675$37.2K0.00%+9,675New
Simplex Trading, LLC7,802$30.0K0.00%+7,802New
UBS Group AG7,647$29.4K0.00%+1,325+21.0%Added
Cutler Group LP6,800$26.0K0.00%00.0%Unchanged
Tower Research Capital LLC (TRC)2,901$11.0K0.00%−6,255−68.3%Reduced
TD Waterhouse Canada Inc.1,450$5.68K0.00%00.0%Unchanged
Advisor Group Holdings, Inc.1,050$4.00K0.00%00.0%Unchanged
City State Bank1,000$4.00K0.00%00.0%Unchanged
Wells Fargo & Company590$2.27K0.00%+6+1.0%Added
FMR LLC553$2.13K0.00%00.0%Unchanged
JPMorgan Chase & Co566$2.00K0.00%−1,430−71.6%Reduced
CWM, LLC300$1.00K0.00%00.0%Unchanged
Carmichael Hill & Associates, Inc.257$9890.00%00.0%Unchanged
Group One Trading, L.P.157$6040.00%+157New
Kelly Financial Services LLC70$2700.00%00.0%Unchanged
Royal Bank of Canada8$00.00%−606−98.7%Reduced
Qube Research & Technologies Ltd0$00.00%−24,952−100.0%Sold out
Cubist Systematic Strategies, LLC0$00.00%−12,887−100.0%Sold out
Balyasny Asset Management LLC0$00.00%−11,731−100.0%Sold out
LMR Partners LLP0$00.00%−11,538−100.0%Sold out
Verition Fund Management LLC0$00.00%−10,267−100.0%Sold out
Citigroup Inc0$00.00%−420−100.0%Sold out
China Universal Asset Management Co., Ltd.0$00.00%−330−100.0%Sold out
Credit Suisse AG0$00.00%−89−100.0%Sold out
Daiwa Securities Group Inc.0$00.00%−63−100.0%Sold out