Funds holding Korro Bio Inc
ISIN US5009461089 · United States
- Fund holders
- 91
- Of which ETFs
- 14 77 other funds
- Value held
- 19.8M $
- Share of capital
- 10.5 % of 14.7M shares on Aug 5, 2026
| Fund | Shares | Value | Weight in fund | Share of capital | |
|---|---|---|---|---|---|
| VANGUARD TOTAL STOCK MARKET INDEX FUND VANGUARD INDEX FUNDS | 311,262 | 4.1M $ | 0.00 % | 2.11 % | as of Jun 30, 2026 ↗ |
| iShares Russell 2000 ETF iShares Trust | 262,918 | 3.5M $ | 0.00 % | 1.79 % | as of Jun 30, 2026 ↗ |
| VANGUARD EXTENDED MARKET INDEX FUND VANGUARD INDEX FUNDS | 135,396 | 1.8M $ | 0.00 % | 0.92 % | as of Jun 30, 2026 ↗ |
| Fidelity Small Cap Index Fund Fidelity Salem Street Trust | 121,936 | 1.3M $ | 0.00 % | 0.83 % | as of Jul 31, 2026 ↗ |
| VANGUARD STRATEGIC SMALL-CAP EQUITY FUND VANGUARD HORIZON FUNDS | 106,395 | 1.4M $ | 0.04 % | 0.72 % | as of Jun 30, 2026 ↗ |
| iShares Russell 2000 Value ETF iShares Trust | 78,719 | 1M $ | 0.01 % | 0.53 % | as of Jun 30, 2026 ↗ |
| F/m Emerald Life Sciences Innovation ETF RBB Fund, Inc. | 62,855 | 842.9K $ | 0.80 % | 0.43 % | as of May 31, 2026 ↗ |
| iShares Russell 2000 Growth ETF iShares Trust | 56,704 | 747.4K $ | 0.00 % | 0.39 % | as of Jun 30, 2026 ↗ |
| Fidelity Extended Market Index Fund Fidelity Concord Street Trust | 35,064 | 470.2K $ | 0.00 % | 0.24 % | as of May 31, 2026 ↗ |
| VANGUARD RUSSELL 2000 INDEX FUND VANGUARD SCOTTSDALE FUNDS | 34,066 | 456.8K $ | 0.00 % | 0.23 % | as of May 31, 2026 ↗ |
| iShares Micro-Cap ETF iShares Trust | 34,046 | 448.7K $ | 0.03 % | 0.23 % | as of Jun 30, 2026 ↗ |
| Schwab Small-Cap Index Fund SCHWAB CAPITAL TRUST | 26,870 | 278.6K $ | 0.00 % | 0.18 % | as of Jul 31, 2026 ↗ |
| VANGUARD HEALTH CARE INDEX FUND VANGUARD WORLD FUND | 21,772 | 292K $ | 0.00 % | 0.15 % | as of May 31, 2026 ↗ |
| Master Small Cap Index Series Quantitative Master Series LLC | 18,948 | 249.7K $ | 0.00 % | 0.13 % | as of Jun 30, 2026 ↗ |
| Nuveen Small Cap Blend Index Fund TIAA-CREF Funds | 14,880 | 154.3K $ | 0.00 % | 0.10 % | as of Jul 31, 2026 ↗ |
| SMALL COMPANY GROWTH PORTFOLIO VANGUARD VARIABLE INSURANCE FUNDS | 14,620 | 192.7K $ | 0.01 % | 0.10 % | as of Jun 30, 2026 ↗ |
| iShares Core S&P Total U.S. Stock Market ETF iShares Trust | 14,179 | 186.9K $ | 0.00 % | 0.10 % | as of Jun 30, 2026 ↗ |
| Fidelity Small Cap Value Index Fund Fidelity Salem Street Trust | 12,814 | 168.9K $ | 0.01 % | 0.09 % | as of Jun 30, 2026 ↗ |
| EQ/2000 Managed Volatility Portfolio EQ Advisors Trust | 11,376 | 149.9K $ | 0.00 % | 0.08 % | as of Jun 30, 2026 ↗ |
| Fidelity Total Market Index Fund Fidelity Concord Street Trust | 11,313 | 151.7K $ | 0.00 % | 0.08 % | as of May 31, 2026 ↗ |
| Fidelity Nasdaq Composite Index Fund Fidelity Concord Street Trust | 10,496 | 140.8K $ | 0.00 % | 0.07 % | as of May 31, 2026 ↗ |
| Dimensional U.S. Small Cap ETF Dimensional ETF Trust | 9,978 | 103.5K $ | 0.00 % | 0.07 % | as of Jul 31, 2026 ↗ |
| Fidelity Series Total Market Index Fund Fidelity Concord Street Trust | 9,938 | 133.3K $ | 0.00 % | 0.07 % | as of May 31, 2026 ↗ |
| T. Rowe Price Extended Equity Market Index Fund T. ROWE PRICE INDEX TRUST, INC. | 8,500 | 112K $ | 0.01 % | 0.06 % | as of Jun 30, 2026 ↗ |
| Fidelity ZERO Total Market Index Fund Fidelity Concord Street Trust | 7,460 | 77.4K $ | 0.00 % | 0.05 % | as of Jul 31, 2026 ↗ |
| EQ/Small Company Index Portfolio EQ Advisors Trust | 7,000 | 92.3K $ | 0.00 % | 0.05 % | as of Jun 30, 2026 ↗ |
| Small Cap Index Fund Northern Funds | 5,888 | 77.6K $ | 0.00 % | 0.04 % | as of Jun 30, 2026 ↗ |
| Diversified Equity Alpha Master Portfolio Master Investment Portfolio | 5,321 | 70.1K $ | 0.00 % | 0.04 % | as of Jun 30, 2026 ↗ |
| Global X Russell 2000 ETF GLOBAL X FUNDS | 5,318 | 55.1K $ | 0.00 % | 0.04 % | as of Jul 31, 2026 ↗ |
| EQ/AB Small Cap Growth Portfolio EQ Advisors Trust | 5,180 | 68.3K $ | 0.00 % | 0.04 % | as of Jun 30, 2026 ↗ |
| VANGUARD RUSSELL 2000 VALUE INDEX FUND VANGUARD SCOTTSDALE FUNDS | 5,064 | 67.9K $ | 0.01 % | 0.03 % | as of May 31, 2026 ↗ |
| Goldman Sachs Absolute Return Tracker Fund GOLDMAN SACHS TRUST | 4,883 | 64.4K $ | 0.00 % | 0.03 % | as of Jun 30, 2026 ↗ |
| VANGUARD BALANCED INDEX FUND VANGUARD VALLEY FORGE FUNDS | 4,762 | 62.8K $ | 0.00 % | 0.03 % | as of Jun 30, 2026 ↗ |
| Avantis U.S. Small Cap Equity ETF American Century ETF Trust | 4,640 | 62.2K $ | 0.00 % | 0.03 % | as of May 31, 2026 ↗ |
| LVIP State Street Small-Cap Index Fund LINCOLN VARIABLE INSURANCE PRODUCTS TRUST | 4,500 | 59.3K $ | 0.00 % | 0.03 % | as of Jun 30, 2026 ↗ |
| Fidelity ZERO Extended Market Index Fund Fidelity Concord Street Trust | 4,390 | 45.5K $ | 0.00 % | 0.03 % | as of Jul 31, 2026 ↗ |
| Small-Cap Index Portfolio PACIFIC SELECT FUND | 3,414 | 45K $ | 0.00 % | 0.02 % | as of Jun 30, 2026 ↗ |
| STATE STREET SMALL/MID CAP EQUITY INDEX PORTFOLIO STATE STREET INSTITUTIONAL INVESTMENT TRUST | 3,400 | 44.8K $ | 0.00 % | 0.02 % | as of Jun 30, 2026 ↗ |
| VANGUARD INSTITUTIONAL TOTAL STOCK MARKET INDEX FUND VANGUARD INSTITUTIONAL INDEX FUNDS | 3,358 | 44.3K $ | 0.00 % | 0.02 % | as of Jun 30, 2026 ↗ |
| iShares Russell 3000 ETF iShares Trust | 3,244 | 42.8K $ | 0.00 % | 0.02 % | as of Jun 30, 2026 ↗ |
| Bridge Builder Small/Mid Cap Value Fund Bridge Builder Trust | 2,830 | 37.3K $ | 0.00 % | 0.02 % | as of Jun 30, 2026 ↗ |
| ATM Small Cap Managed Volatility Portfolio EQ Advisors Trust | 2,411 | 31.8K $ | 0.00 % | 0.02 % | as of Jun 30, 2026 ↗ |
| Small Cap Index Fund VALIC Co I | 2,289 | 30.7K $ | 0.00 % | 0.02 % | as of May 31, 2026 ↗ |
| 1290 VT Micro Cap Portfolio EQ Advisors Trust | 2,272 | 29.9K $ | 0.01 % | 0.02 % | as of Jun 30, 2026 ↗ |
| NVIT Small Cap Index Fund Nationwide Variable Insurance Trust | 2,271 | 29.9K $ | 0.00 % | 0.02 % | as of Jun 30, 2026 ↗ |
| Fidelity Flex Small Cap Index Fund Fidelity Salem Street Trust | 1,951 | 20.2K $ | 0.00 % | 0.01 % | as of Jul 31, 2026 ↗ |
| Fidelity Small Cap Growth Index Fund Fidelity Salem Street Trust | 1,913 | 25.2K $ | 0.00 % | 0.01 % | as of Jun 30, 2026 ↗ |
| DWS Small Cap Index VIP DEUTSCHE DWS INVESTMENTS VIT FUNDS | 1,744 | 23K $ | 0.00 % | 0.01 % | as of Jun 30, 2026 ↗ |
| T. Rowe Price Small-Cap Index Fund T. ROWE PRICE INDEX TRUST, INC. | 1,679 | 22.1K $ | 0.00 % | 0.01 % | as of Jun 30, 2026 ↗ |
| iShares Russell Small/Mid-Cap Index Fund BlackRock Funds | 1,629 | 16.9K $ | 0.00 % | 0.01 % | as of Jul 31, 2026 ↗ |
| BlackRock Small Cap Index V.I. Fund BlackRock Variable Series Funds, Inc. | 1,530 | 20.2K $ | 0.00 % | 0.01 % | as of Jun 30, 2026 ↗ |
| BlackRock Advantage SMID Cap V.I. Fund BlackRock Variable Series Funds, Inc. | 1,469 | 19.4K $ | 0.01 % | 0.01 % | as of Jun 30, 2026 ↗ |
| 1290 VT Small Cap Value Portfolio EQ Advisors Trust | 1,359 | 17.9K $ | 0.00 % | 0.01 % | as of Jun 30, 2026 ↗ |
| Voya RussellTM Small Cap Index Portfolio Voya VARIABLE PORTFOLIOS INC | 1,341 | 17.7K $ | 0.00 % | 0.01 % | as of Jun 30, 2026 ↗ |
| SA Small Cap Index Portfolio SUNAMERICA SERIES TRUST | 1,305 | 13.5K $ | 0.00 % | 0.01 % | as of Jul 31, 2026 ↗ |
| U.S. MICRO CAP PORTFOLIO DFA INVESTMENT DIMENSIONS GROUP INC | 1,298 | 13.5K $ | 0.00 % | 0.01 % | as of Jul 31, 2026 ↗ |
| Nationwide Small Cap Index Fund Nationwide Mutual Funds | 1,167 | 12.1K $ | 0.00 % | 0.01 % | as of Jul 31, 2026 ↗ |
| Victory Extended Market Index Fund Victory Portfolios III | 1,108 | 11.5K $ | 0.00 % | 0.01 % | as of Jul 31, 2026 ↗ |
| Venerable Small Cap Index Fund Venerable Variable Insurance Trust | 881 | 11.6K $ | 0.00 % | 0.01 % | as of Jun 30, 2026 ↗ |
| Voya VACS Index Series SC Portfolio Voya VARIABLE PORTFOLIOS INC | 837 | 11K $ | 0.01 % | 0.01 % | as of Jun 30, 2026 ↗ |
| PD Small-Cap Value Index Portfolio PACIFIC SELECT FUND | 651 | 8.6K $ | 0.01 % | 0.00 % | as of Jun 30, 2026 ↗ |
| SmallCap Value Fund II Principal Funds, Inc | 648 | 6.7K $ | 0.00 % | 0.00 % | as of Jul 31, 2026 ↗ |
| CVT Russell 2000 Small Cap Index Portfolio Calvert Variable Trust, Inc. | 598 | 7.9K $ | 0.00 % | 0.00 % | as of Jun 30, 2026 ↗ |
| VIP Extended Market Index Portfolio Variable Insurance Products Fund II | 527 | 6.9K $ | 0.00 % | 0.00 % | as of Jun 30, 2026 ↗ |
| VANGUARD RUSSELL 3000 INDEX FUND VANGUARD SCOTTSDALE FUNDS | 428 | 5.7K $ | 0.00 % | 0.00 % | as of May 31, 2026 ↗ |
| EQ/Morgan Stanley Small Cap Growth Portfolio EQ Advisors Trust | 425 | 5.6K $ | 0.00 % | 0.00 % | as of Jun 30, 2026 ↗ |
| Small-Cap Equity Portfolio PACIFIC SELECT FUND | 394 | 5.2K $ | 0.00 % | 0.00 % | as of Jun 30, 2026 ↗ |
| State Street Total Return V.I.S. Fund STATE STREET VARIABLE INSURANCE SERIES FUNDS INC | 338 | 4.5K $ | 0.00 % | 0.00 % | as of Jun 30, 2026 ↗ |
| ProShares Russell 2000 High Income ETF ProShares Trust | 312 | 4.2K $ | 0.00 % | 0.00 % | as of May 31, 2026 ↗ |
| Nationwide Fundamental All Cap Equity Portfolio Nationwide Mutual Funds | 298 | 3.1K $ | 0.00 % | 0.00 % | as of Jul 31, 2026 ↗ |
| EQ/Franklin Small Cap Value Managed Volatility Portfolio EQ Advisors Trust | 258 | 3.4K $ | 0.00 % | 0.00 % | as of Jun 30, 2026 ↗ |
| PD Small-Cap Growth Index Portfolio PACIFIC SELECT FUND | 256 | 3.4K $ | 0.00 % | 0.00 % | as of Jun 30, 2026 ↗ |
| Total Stock Market Index Trust John Hancock Variable Insurance Trust | 253 | 3.3K $ | 0.00 % | 0.00 % | as of Jun 30, 2026 ↗ |
| ProShares UltraPro Russell2000 ProShares Trust | 246 | 3.3K $ | 0.00 % | 0.00 % | as of May 31, 2026 ↗ |
| ProShares Ultra Russell2000 ProShares Trust | 244 | 3.3K $ | 0.00 % | 0.00 % | as of May 31, 2026 ↗ |
| Penn Series Small Cap Index Fund Penn Series Funds Inc | 200 | 2.6K $ | 0.00 % | 0.00 % | as of Jun 30, 2026 ↗ |
| SmallCap Growth Fund I Principal Funds, Inc | 154 | 1.6K $ | 0.00 % | 0.00 % | as of Jul 31, 2026 ↗ |
| VIP Total Market Index Portfolio Variable Insurance Products Fund II | 149 | 2K $ | 0.00 % | 0.00 % | as of Jun 30, 2026 ↗ |
| ULTRA SMALL CAP PROFUND ProFunds | 143 | 1.5K $ | 0.00 % | 0.00 % | as of Jul 31, 2026 ↗ |
| Destinations Small-Mid Cap Equity Fund Brinker Capital Destinations Trust | 140 | 1.9K $ | 0.00 % | 0.00 % | as of May 31, 2026 ↗ |
| Knights of Columbus U.S. ALL CAP INDEX FUND ADVISORS' INNER CIRCLE III | 70 | 725.9 $ | 0.00 % | 0.00 % | as of Jul 31, 2026 ↗ |
| Russell 2000 2x Strategy Fund Rydex Dynamic Funds | 60 | 790.8 $ | 0.00 % | 0.00 % | as of Jun 30, 2026 ↗ |
| PROFUND VP ULTRA SMALL CAP ProFunds | 46 | 606.3 $ | 0.00 % | 0.00 % | as of Jun 30, 2026 ↗ |
| PROFUND VP SMALL CAP ProFunds | 30 | 395.4 $ | 0.00 % | 0.00 % | as of Jun 30, 2026 ↗ |
| Russell 2000 Fund Rydex Series Funds | 28 | 369 $ | 0.00 % | 0.00 % | as of Jun 30, 2026 ↗ |
| Fidelity Enhanced Small Cap Growth ETF Fidelity Covington Trust | 20 | 263.6 $ | 0.00 % | 0.00 % | as of Jun 30, 2026 ↗ |
| Russell 2000 1.5x Strategy Fund Rydex Series Funds | 16 | 210.9 $ | 0.00 % | 0.00 % | as of Jun 30, 2026 ↗ |
| SMALL-CAP PROFUND ProFunds | 9 | 93.3 $ | 0.00 % | 0.00 % | as of Jul 31, 2026 ↗ |
| ProShares Hedge Replication ETF ProShares Trust | 6 | 80.5 $ | 0.00 % | 0.00 % | as of May 31, 2026 ↗ |
| Russell 2000(R) 1.5x Strategy Fund Rydex Variable Trust | 3 | 39.5 $ | 0.00 % | 0.00 % | as of Jun 30, 2026 ↗ |
| ProShares Russell 2000 Dynamic Buffer ETF ProShares Trust | 1 | 13.4 $ | 0.00 % | 0.00 % | as of May 31, 2026 ↗ |
The funds most exposed to it
The weight is the share of a fund's net assets. The holders table ranks funds by number of shares. This one ranks them by the weight of the company in each fund.
| Fund | Weight in fund | |
|---|---|---|
| F/m Emerald Life Sciences Innovation ETF RBB Fund, Inc. | 0.80 % | as of May 31, 2026 ↗ |
| VANGUARD STRATEGIC SMALL-CAP EQUITY FUND VANGUARD HORIZON FUNDS | 0.04 % | as of Jun 30, 2026 ↗ |
| iShares Micro-Cap ETF iShares Trust | 0.03 % | as of Jun 30, 2026 ↗ |
| 1290 VT Micro Cap Portfolio EQ Advisors Trust | 0.01 % | as of Jun 30, 2026 ↗ |
| SMALL COMPANY GROWTH PORTFOLIO VANGUARD VARIABLE INSURANCE FUNDS | 0.01 % | as of Jun 30, 2026 ↗ |
| BlackRock Advantage SMID Cap V.I. Fund BlackRock Variable Series Funds, Inc. | 0.01 % | as of Jun 30, 2026 ↗ |
| T. Rowe Price Extended Equity Market Index Fund T. ROWE PRICE INDEX TRUST, INC. | 0.01 % | as of Jun 30, 2026 ↗ |
| Fidelity Small Cap Value Index Fund Fidelity Salem Street Trust | 0.01 % | as of Jun 30, 2026 ↗ |
| iShares Russell 2000 Value ETF iShares Trust | 0.01 % | as of Jun 30, 2026 ↗ |
| PD Small-Cap Value Index Portfolio PACIFIC SELECT FUND | 0.01 % | as of Jun 30, 2026 ↗ |
Quarter after quarter
Each row is one quarter of SEC filings, newest first. The change compares each quarter with the one before.
| Quarter | Holders | Change | Shares | Change |
|---|---|---|---|---|
| 2026Q3 | 91 | +9 | 1,543,102 | +51.2 % |
| 2026Q2 | 82 | +1 | 1,020,453 | +0.9 % |
| 2026Q1 | 81 | -19 | 1,010,880 | -20.3 % |
| 2025Q4 | 100 | +14 | 1,268,148 | +9.2 % |
| 2025Q3 | 86 | -14 | 1,161,471 | -26.6 % |
| 2025Q2 | 100 | -4 | 1,581,690 | -10.8 % |
| 2025Q1 | 104 | +12 | 1,772,551 | +38.7 % |
| 2024Q4 | 92 | +54 | 1,277,587 | +16.5 % |
| 2024Q3 | 38 | +26 | 1,096,238 | +241.2 % |
| 2024Q2 | 12 | -1 | 321,323 | +13.5 % |
| 2024Q1 | 13 | 283,177 |
Institutional managers
94 managers declare this company to the SEC (Form 13F). The table shows the 25 largest.
| Manager | Shares | Value | |
|---|---|---|---|
| Lynx1 Capital Management LP | 1,538,296 | 17.4M $ | as of Mar 31, 2026 |
| NEA Management Company, LLC | 1,297,893 | 14.7M $ | as of Mar 31, 2026 |
| Atlas Venture Life Science Advisors, LLC | 1,137,149 | 12.9M $ | as of Mar 31, 2026 |
| Balyasny Asset Management L.P. | 1,040,054 | 11.8M $ | as of Mar 31, 2026 |
| Venrock Adviser, LLC | 1,009,500 | 11.4M $ | as of Mar 31, 2026 |
| Affinity Asset Advisors, LLC | 706,904 | 8M $ | as of Mar 31, 2026 |
| Nantahala Capital Management, LLC | 660,036 | 7.5M $ | as of Mar 31, 2026 |
| ADAR1 Capital Management, LLC | 540,054 | 6.1M $ | as of Mar 31, 2026 |
| BlackRock, Inc. | 460,006 | 5.2M $ | as of Mar 31, 2026 |
| Driehaus Capital Management LLC | 450,045 | 5.1M $ | as of Mar 31, 2026 |
| TCG Crossover Management, LLC | 416,301 | 4.7M $ | as of Mar 31, 2026 |
| Siren, L.L.C. | 347,718 | 3.9M $ | as of Mar 31, 2026 |
| 72 Investment Holdings, LLC | 276,831 | 3.1M $ | as of Mar 31, 2026 |
| AQR CAPITAL MANAGEMENT LLC | 267,755 | 3M $ | as of Mar 31, 2026 |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | 228,400 | 2.6M $ | as of Mar 31, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | 173,643 | 2M $ | as of Mar 31, 2026 |
| TWO SIGMA INVESTMENTS, LP | 165,472 | 1.9M $ | as of Mar 31, 2026 |
| STATE STREET CORP | 140,341 | 1.6M $ | as of Mar 31, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | 136,227 | 1.5M $ | as of Mar 31, 2026 |
| JANE STREET GROUP, LLC | 115,704 | 1.3M $ | as of Mar 31, 2026 |
| Kalehua Capital Management LLC | 109,376 | 1.2M $ | as of Mar 31, 2026 |
| JPMORGAN CHASE & CO | 68,500 | 704.2K $ | as of Mar 31, 2026 |
| MILLENNIUM MANAGEMENT LLC | 63,606 | 720K $ | as of Mar 31, 2026 |
| F/m Investments LLC | 62,855 | 711.5K $ | as of Mar 31, 2026 |
| EMERALD MUTUAL FUND ADVISERS TRUST | 62,855 | 711.5K $ | as of Mar 31, 2026 |
Declared shareholders of Korro Bio Inc
There are 3 beneficial ownership filings. These stakes do not add up. An asset manager that files includes its own funds, which already appear among the funds on this page.
| Shareholder | Declared stake | Shares | |
|---|---|---|---|
| BALYASNY ASSET MANAGEMENT L.P. and 4 others | 6.60 % | 951,783 | as of Jun 30, 2026 · SCHEDULE 13G |
| BlackRock, Inc. | 5.20 % | 747,546 | as of Jun 30, 2026 · SCHEDULE 13G |
| Atlas Venture Fund XI, L.P. and 5 others | 4.90 % | 706,556 | as of Jun 24, 2026 · SCHEDULE 13D |
Cite this page
Titelia. "Funds holding Korro Bio Inc". https://titelia.com/en/stocks/korro-bio-inc-US5009461089