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 2021
Institutional positions in Korro Bio, Inc. as of Jun 30, 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
- 91
- −23 vs. Q1 2021
- Shares held
- 19.6M
- +13.8K (+0.1%) vs. Q1 2021
- Total value
- $193.9M
- +$9.15M (+5.0%) vs. Q1 2021
- New holders
- 12
- 42 more added
- Sold out
- 35
- 26 more reduced
1 institution that held it in Q1 2021 haven't filed for Q2 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2021: 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 2021
Shares, value and share of portfolio for each institution holding Korro Bio, Inc.; share changes are against Q1 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Kelly Financial Services LLC | 697 | $70 | 0.00% | +627+895.7% | Added |
| Global Financial Private Client, LLC | 40 | $370 | 0.00% | +40 | New |
| Advisory Services Network, LLC | 100 | $1.00K | 0.00% | −10,150−99.0% | Reduced |
| Daiwa Securities Group Inc. | 63 | $1.00K | 0.00% | 00.0% | Unchanged |
| FNY Investment Advisers, LLC | 250 | $2.00K | 0.00% | −1,150−82.1% | Reduced |
| Carmichael Hill & Associates, Inc. | 257 | $3.00K | 0.00% | 00.0% | Unchanged |
| Hartford Financial Management Inc. | 500 | $5.00K | 0.00% | +500 | New |
| Penserra Capital Management LLC | 780 | $7.00K | 0.00% | +20+2.6% | Added |
| Parisi Gray Wealth Management | 702 | $7.00K | 0.00% | +702 | New |
| Bollard Group LLC | 1,111 | $11.0K | 0.00% | 00.0% | Unchanged |
| Great West Life Assurance Co | 1,717 | $17.0K | 0.00% | 00.0% | Unchanged |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 1,733 | $17.0K | 0.00% | +79+4.8% | Added |
| UBS Group AG | 1,821 | $18.0K | 0.00% | −29,240−94.1% | Reduced |
| Eaton Vance Management | 2,000 | $20.0K | 0.00% | +1,000+100.0% | Added |
| Ameritas Investment Partners, Inc. | 2,140 | $21.0K | 0.00% | 00.0% | Unchanged |
| US Bancorp | 2,105 | $21.0K | 0.00% | +2,105 | New |
| Tower Research Capital LLC (TRC) | 2,321 | $23.0K | 0.00% | +545+30.7% | Added |
| Royal Bank of Canada | 2,941 | $29.0K | 0.00% | +434+17.3% | Added |
| Edmond de Rothschild Holding S.A. | 2,980 | $30.0K | 0.00% | 00.0% | Unchanged |
| Quantbot Technologies LP | 3,200 | $31.0K | 0.00% | +3,200 | New |
| Cutler Group LP | 6,202 | $61.0K | 0.00% | −16,618−72.8% | Reduced |
| Walleye Trading LLC | 7,229 | $72.0K | 0.00% | −18,511−71.9% | Reduced |
| Russell Investments Group, Ltd. | 7,402 | $73.0K | 0.00% | −32,382−81.4% | Reduced |
| Macquarie Group Ltd | 7,544 | $75.0K | 0.00% | +6,851+988.6% | Added |
| Captrust Financial Advisors | 9,488 | $95.0K | 0.00% | −48,800−83.7% | Reduced |
| Centaurus Financial, Inc. | 10,030 | $100.0K | 0.01% | +10,030 | New |
| Victory Capital Management Inc | 10,450 | $104.0K | 0.00% | −553−5.0% | Reduced |
| Squarepoint Ops LLC | 10,900 | $109.0K | 0.00% | −73,017−87.0% | Reduced |
| Cubic Asset Management, LLC | 11,000 | $110.0K | 0.03% | 00.0% | Unchanged |
| Invesco Ltd. | 12,202 | $121.0K | 0.00% | +12,202 | New |
| Voya Investment Management LLC | 12,914 | $129.0K | 0.00% | +1,538+13.5% | Added |
| Citigroup Inc | 12,972 | $130.0K | 0.00% | −64,735−83.3% | Reduced |
| Winton Group Ltd | 14,261 | $142.0K | 0.01% | +14,261 | New |
| ProShare Advisors LLC | 14,447 | $144.0K | 0.00% | +3,053+26.8% | Added |
| Wells Fargo & Company | 15,715 | $156.0K | 0.00% | −6,806−30.2% | Reduced |
| Quilter Plc | 15,750 | $157.0K | 0.00% | 00.0% | Unchanged |
| Credit Suisse AG | 16,325 | $162.0K | 0.00% | −4,633−22.1% | Reduced |
| Legal & General Group Plc | 17,525 | $174.0K | 0.00% | +13,278+312.6% | Added |
| American International Group, Inc. | 17,925 | $179.0K | 0.00% | +3,288+22.5% | Added |
| Manufacturers Life Insurance Company, The | 19,773 | $197.0K | 0.00% | +5,542+38.9% | Added |
| Virtus ETF Advisers LLC | 22,391 | $223.0K | 0.09% | +14,207+173.6% | Added |
| Price T Rowe Associates Inc | 22,635 | $225.0K | 0.00% | +7,764+52.2% | Added |
| Deutsche Bank AG | 25,261 | $252.0K | 0.00% | +6,596+35.3% | Added |
| New York State Common Retirement Fund | 27,795 | $277.0K | 0.00% | −5,905−17.5% | Reduced |
| Occudo Quantitative Strategies LP | 29,047 | $289.0K | 0.04% | +29,047 | New |
| Bank of America Corp | 32,529 | $324.0K | 0.00% | +3,201+10.9% | Added |
| Dimensional Fund Advisors LP | 36,951 | $368.0K | 0.00% | −19,622−34.7% | Reduced |
| Alliancebernstein L.P. | 39,600 | $394.0K | 0.00% | +4,800+13.8% | Added |
| UBS Asset Management Americas Inc | 40,496 | $403.3K | 0.00% | +24,396+151.5% | Added |
| Northeast Financial Consultants Inc | 41,335 | $412.0K | 0.03% | +5,826+16.4% | Added |
| Rhumbline Advisers | 43,761 | $436.0K | 0.00% | +13,056+42.5% | Added |
| California State Teachers Retirement System | 44,152 | $440.0K | 0.00% | +6,281+16.6% | Added |
| Alps Advisors Inc | 45,068 | $449.0K | 0.00% | −15,965−26.2% | Reduced |
| Parametric Portfolio Associates LLC | 46,139 | $460.0K | 0.00% | +35,147+319.8% | Added |
| TRB Advisors LP | 47,285 | $471.0K | 0.11% | 00.0% | Unchanged |
| Swiss National Bank | 52,700 | $525.0K | 0.00% | −5,100−8.8% | Reduced |
| Baker Bros. Advisors LP | 55,555 | $553.0K | 0.00% | 00.0% | Unchanged |
| Neuberger Berman Group LLC | 57,501 | $576.0K | 0.00% | +1,793+3.2% | Added |
| Advisor Group Holdings, Inc. | 61,736 | $615.0K | 0.00% | +38,824+169.4% | Added |
| Walleye Capital LLC | 67,179 | $669.0K | 0.02% | −621−0.9% | Reduced |
| Cubist Systematic Strategies, LLC | 69,691 | $694.0K | 0.01% | −8,524−10.9% | Reduced |
| Ikarian Capital, LLC | 69,879 | $696.0K | 0.12% | +13,400+23.7% | Added |
| Goldman Sachs Group Inc | 84,065 | $837.0K | 0.00% | +57,966+222.1% | Added |
| Jaffetilchin Investment Partners, LLC | 44,430 | $954.0K | 0.07% | +24,400+121.8% | Added |
| Laurion Capital Management LP | 98,648 | $983.0K | 0.02% | −46,719−32.1% | Reduced |
| Public Employees Retirement System of Ohio | 100,688 | $1.00M | 0.00% | 00.0% | Unchanged |
| Citadel Advisors LLC | 107,754 | $1.07M | 0.00% | −14,754−12.0% | Reduced |
| Bank of New York Mellon Corp | 109,456 | $1.09M | 0.00% | +8,545+8.5% | Added |
| Granahan Investment Management Inc | 127,479 | $1.27M | 0.02% | +25,162+24.6% | Added |
| Two Sigma Advisers, LP | 164,100 | $1.63M | 0.00% | +164,100 | New |
| PDT Partners, LLC | 176,082 | $1.75M | 0.12% | +131,342+293.6% | Added |
| Millennium Management LLC | 188,802 | $1.88M | 0.00% | +166,428+743.8% | Added |
| Charles Schwab Investment Management Inc | 201,804 | $2.01M | 0.00% | +3,067+1.5% | Added |
| Stifel Financial Corp | 209,500 | $2.09M | 0.00% | +5,000+2.4% | Added |
| Perceptive Advisors LLC | 222,222 | $2.21M | 0.03% | −1,891,439−89.5% | Reduced |
| Voloridge Investment Management, LLC | 247,327 | $2.46M | 0.02% | −461,908−65.1% | Reduced |
| Two Sigma Investments, LP | 261,387 | $2.60M | 0.01% | +241,887+1,240.4% | Added |
| Sphera Funds Management Ltd. | 275,160 | $2.74M | 0.26% | +275,160 | New |
| Northern Trust Corp | 321,684 | $3.21M | 0.00% | −40,103−11.1% | Reduced |
| Geode Capital Management, LLC | 546,456 | $5.44M | 0.00% | +69,455+14.6% | Added |
| Lombard Odier Asset Management (Switzerland) SA | 596,405 | $5.94M | 0.30% | +331,816+125.4% | Added |
| State Street Corp | 610,346 | $6.08M | 0.00% | −775,926−56.0% | Reduced |
| South Dakota Investment Council | 651,526 | $6.49M | 0.11% | +397,815+156.8% | Added |
| Morgan Stanley | 714,291 | $7.12M | 0.00% | +700,762+5,179.7% | Added |
| Amundi | 776,088 | $7.73M | 0.01% | +776,088 | New |
| Vanguard Group Inc | 1,428,544 | $14.2M | 0.00% | −95,838−6.3% | Reduced |
| JPMorgan Chase & Co | 1,444,211 | $14.4M | 0.00% | +1,427,828+8,715.3% | Added |
| Federated Hermes, Inc. | 2,047,400 | $20.4M | 0.04% | −1,164,984−36.3% | Reduced |
| BlackRock Inc. | 3,070,756 | $30.6M | 0.00% | +501,654+19.5% | Added |
| Wasatch Advisors Inc | 3,332,309 | $33.2M | 0.13% | +486,108+17.1% | Added |
| Nuveen Asset Management, LLC | 137,956 | – | – | +38,193+38.3% | Added |
| Compagnie Lombard Odier SCmA | 0 | $0 | 0.00% | −263,249−100.0% | Sold out |
| Susquehanna International Group, LLP | 0 | $0 | 0.00% | −129,746−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −125,114−100.0% | Sold out |
| Pura Vida Investments, LLC | 0 | $0 | 0.00% | −100,000−100.0% | Sold out |
| Handelsbanken Fonder AB | 0 | $0 | 0.00% | −80,000−100.0% | Sold out |
| Rafferty Asset Management, LLC | 0 | $0 | 0.00% | −61,934−100.0% | Sold out |
| LMR Partners LLP | 0 | $0 | 0.00% | −59,900−100.0% | Sold out |
| Bank of Montreal | 0 | $0 | 0.00% | −52,669−100.0% | Sold out |
| California Public Employees Retirement System | 0 | $0 | 0.00% | −51,500−100.0% | Sold out |