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, Q2 2024
Institutional positions in Korro Bio, Inc. as of Jun 30, 2024. 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
- 64
- +15 vs. Q1 2024
- Shares held
- 8.44M
- +1.53M (+22.1%) vs. Q1 2024
- Total value
- $285.7M
- −$332.9M (−53.8%) vs. Q1 2024
- New holders
- 26
- 17 more added
- Sold out
- 11
- 12 more reduced
Compare with Q1 2024: 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.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 106 | $190.1M |
| Q1 2026 | 99 | $144.8M |
| Q4 2025 | 83 | $60.6M |
| Q3 2025 | 92 | $465.5M |
| Q2 2025 | 71 | $114.8M |
| Q1 2025 | 75 | $169.0M |
| Q4 2024 | 84 | $359.6M |
| Q3 2024 | 71 | $285.3M |
| Q2 2024 | 64 | $285.7M |
| Q1 2024 | 49 | $618.6M |
| Q4 2023 | 40 | $301.5M |
| Q3 2023 | 42 | $2.58M |
| Q2 2023 | 41 | $1.67M |
| Q1 2023 | 43 | $2.52M |
| Q4 2022 | 50 | $28.3M |
| Q3 2022 | 55 | $14.1M |
| Q2 2022 | 58 | $13.0M |
| Q1 2022 | 86 | $33.1M |
| Q4 2021 | 84 | $90.2M |
| Q3 2021 | 88 | $130.4M |
| Q2 2021 | 91 | $193.9M |
| Q1 2021 | 115 | $186.6M |
Institutions, Q2 2024
Shares, value and share of portfolio for each institution holding Korro Bio, Inc.; share changes are against Q1 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Atlas Venture Life Science Advisors, LLC | 1,137,149 | $38.5M | 4.06% | +17,857+1.6% | Added |
| NEA Management Company, LLC | 1,090,793 | $36.9M | 2.78% | +17,857+1.7% | Added |
| Deep Track Capital, LP | 770,645 | $26.1M | 0.78% | +770,645 | New |
| FMR LLC | 639,125 | $21.6M | 0.00% | −88,080−12.1% | Reduced |
| Citadel Advisors LLC | 529,173 | $17.9M | 0.02% | −70.0% | Reduced |
| Eventide Asset Management, LLC | 529,155 | $17.9M | 0.31% | −8,335−1.6% | Reduced |
| Vanguard Group Inc | 468,303 | $15.9M | 0.00% | +201,636+75.6% | Added |
| Point72 Asset Management, L.P. | 456,085 | $15.4M | 0.05% | +190,259+71.6% | Added |
| Artal Group S.A. | 413,072 | $14.0M | 0.36% | −6,154−1.5% | Reduced |
| BlackRock Inc. | 406,381 | $13.8M | 0.00% | +325,760+404.1% | Added |
| Qiming U.S. Ventures Management, LLC | 368,085 | $12.5M | 23.69% | 00.0% | Unchanged |
| 72 Investment Holdings, LLC | 276,831 | $9.38M | 23.57% | 00.0% | Unchanged |
| Cormorant Asset Management, LP | 265,826 | $9.00M | 0.52% | −263,344−49.8% | Reduced |
| Geode Capital Management, LLC | 139,658 | $4.73M | 0.00% | +81,417+139.8% | Added |
| Verition Fund Management LLC | 122,384 | $4.15M | 0.03% | −17,707−12.6% | Reduced |
| Driehaus Capital Management LLC | 116,858 | $3.96M | 0.04% | +116,858 | New |
| Ghost Tree Capital, LLC | 100,000 | $3.39M | 1.18% | +100,000 | New |
| State Street Corp | 99,888 | $3.38M | 0.00% | +81,788+451.9% | Added |
| Millennium Management LLC | 84,201 | $2.85M | 0.00% | +23,307+38.3% | Added |
| Tri Locum Partners LP | 71,428 | $2.42M | 0.61% | +71,428 | New |
| ExodusPoint Capital Management, LP | 55,928 | $1.89M | 0.02% | +15,026+36.7% | Added |
| Schonfeld Strategic Advisors LLC | 40,303 | $1.37M | 0.01% | +40,303 | New |
| Rock Springs Capital Management LP | 35,719 | $1.21M | 0.04% | +35,719 | New |
| HRT Financial LP | 32,524 | $1.10M | 0.01% | +32,524 | New |
| Walleye Capital LLC | 29,534 | $1.00M | 0.01% | +29,534 | New |
| Bank of New York Mellon Corp | 19,148 | $648.5K | 0.00% | +19,148 | New |
| Charles Schwab Investment Management Inc | 17,567 | $595.0K | 0.00% | +14,420+458.2% | Added |
| Northern Trust Corp | 15,282 | $517.6K | 0.00% | +4,989+48.5% | Added |
| Morgan Stanley | 13,021 | $441.0K | 0.00% | +5,352+69.8% | Added |
| Nuveen Asset Management, LLC | 11,164 | $378.1K | 0.00% | +11,164 | New |
| Marshall Wace, LLP | 9,103 | $308.3K | 0.00% | −4,304−32.1% | Reduced |
| Goldman Sachs Group Inc | 8,991 | $304.5K | 0.00% | −36,180−80.1% | Reduced |
| Rhumbline Advisers | 8,227 | $278.6K | 0.00% | +8,227 | New |
| ADAR1 Capital Management, LLC | 7,210 | $244.2K | 0.05% | +7,210 | New |
| Two Sigma Investments, LP | 6,355 | $215.2K | 0.00% | +6,355 | New |
| Qube Research & Technologies Ltd | 5,750 | $194.8K | 0.00% | −17,461−75.2% | Reduced |
| Bank of America Corp | 4,920 | $166.6K | 0.00% | −107−2.1% | Reduced |
| UBS Group AG | 4,413 | $149.5K | 0.00% | +4,142+1,528.4% | Added |
| Lynx1 Capital Management LP | 3,800 | $128.7K | 0.05% | +3,800 | New |
| Corebridge Financial, Inc. | 3,281 | $111.2K | 0.00% | +3,281 | New |
| New York State Common Retirement Fund | 3,000 | $101.6K | 0.00% | +3,000 | New |
| JPMorgan Chase & Co | 2,609 | $88.4K | 0.00% | −10,554−80.2% | Reduced |
| Wells Fargo & Company | 2,493 | $84.4K | 0.00% | +2,444+4,987.8% | Added |
| North Star Investment Management Corp. | 2,000 | $67.7K | 0.00% | +1,000+100.0% | Added |
| MetLife Investment Management | 1,589 | $53.8K | 0.00% | +1,589 | New |
| Citigroup Inc | 1,358 | $46.0K | 0.00% | −17,931−93.0% | Reduced |
| Brown Brothers Harriman & Co | 813 | $27.5K | 0.00% | +813 | New |
| Royal Bank of Canada | 675 | $23.0K | 0.00% | +578+595.9% | Added |
| Quest Partners LLC | 653 | $22.1K | 0.00% | +653 | New |
| Quarry LP | 632 | $21.4K | 0.01% | +232+58.0% | Added |
| Ameritas Investment Partners, Inc. | 598 | $20.3K | 0.00% | +598 | New |
| Legal & General Group Plc | 566 | $19.2K | 0.00% | +566 | New |
| California State Teachers Retirement System | 442 | $15.0K | 0.00% | +442 | New |
| BNP Paribas Arbitrage, SA | 439 | $14.9K | 0.00% | +439 | New |
| Duncker Streett & Co Inc | 437 | $14.8K | 0.00% | 00.0% | Unchanged |
| Amalgamated Bank | 211 | $7.00K | 0.00% | +211 | New |
| US Bancorp | 73 | $2.47K | 0.00% | +73 | New |
| TD Waterhouse Canada Inc. | 29 | $970 | 0.00% | 00.0% | Unchanged |
| City State Bank | 20 | $677 | 0.00% | 00.0% | Unchanged |
| Nelson, Van Denburg & Campbell Wealth Management Group, LLC | 20 | $677 | 0.00% | 00.0% | Unchanged |
| Carmichael Hill & Associates, Inc. | 5 | $170 | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 4 | $135 | 0.00% | 00.0% | Unchanged |
| Strategic Investment Solutions, Inc. | 10 | $95 | 0.00% | +10 | New |
| Kelly Financial Services LLC | 1 | $34 | 0.00% | 00.0% | Unchanged |
| Suvretta Capital Management, LLC | 0 | $0 | 0.00% | −73,821−100.0% | Sold out |
| Invesco Ltd. | 0 | $0 | 0.00% | −72,419−100.0% | Sold out |
| Monashee Investment Management LLC | 0 | $0 | 0.00% | −55,364−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −25,814−100.0% | Sold out |
| Susquehanna International Group, LLP | 0 | $0 | 0.00% | −11,276−100.0% | Sold out |
| Renaissance Technologies LLC | 0 | $0 | 0.00% | −9,893−100.0% | Sold out |
| Balyasny Asset Management LLC | 0 | $0 | 0.00% | −3,773−100.0% | Sold out |
| Brevan Howard Capital Management LP | 0 | $0 | 0.00% | −3,602−100.0% | Sold out |
| Tower Research Capital LLC (TRC) | 0 | $0 | 0.00% | −50−100.0% | Sold out |
| CWM, LLC | 0 | $0 | 0.00% | −6−100.0% | Sold out |
| Macquarie Group Ltd | 0 | $0 | 0.00% | −389−100.0% | Sold out |