As of the latest SEC filings, Korro Bio, Inc. (KRRO) is held by 90 institutional funds. The largest fund shareholder is VANGUARD TOTAL STOCK MARKET INDEX FUND (VTI), holding an estimated $2,638,261.84 in market value, representing a significant portion of its portfolio.
Funds holding Korro Bio, Inc. (KRRO)
Source: SEC Form N-PORT institutional portfolio disclosures
- Ticker:
- KRRO
- CIK:
- 0001703647
| Fund | Type | Manager | Weight | Market Value | Shares |
Report Date
|
Filing Date
|
|---|---|---|---|---|---|---|---|
|
VTI
VANGUARD TOTAL STOCK MARKET INDEX FUND
|
ETF | Vanguard | 0.00% | $2,638,261.84 | 233,062 | Mar 31, 2026 | May 28, 2026 |
|
VTI
VANGUARD TOTAL STOCK MARKET INDEX FUND
|
ETF | Vanguard | 0.00% | $2,444,828.57 | 1,246,700 | Mar 31, 2026 | May 28, 2026 |
|
IWM
iShares Russell 2000 ETF
|
ETF | BlackRock / iShares | 0.00% | $1,821,603.08 | 160,919 | Mar 31, 2026 | May 28, 2026 |
|
VSTCX
VANGUARD STRATEGIC SMALL-CAP EQUITY FUND
|
MF | Vanguard | 0.04% | $1,000,008.80 | 88,340 | Mar 31, 2026 | May 28, 2026 |
|
FSSNX
Fidelity Small Cap Index Fund
|
MF | Fidelity | 0.00% | $884,849.57 | 65,593 | Apr 30, 2026 | Jun 26, 2026 |
|
VEMPX
VANGUARD EXTENDED MARKET INDEX FUND
|
ETF | Vanguard | 0.00% | $879,536.25 | 448,505 | Mar 31, 2026 | May 28, 2026 |
|
VEMPX
VANGUARD EXTENDED MARKET INDEX FUND
|
ETF | Vanguard | 0.00% | $789,354.92 | 69,731 | Mar 31, 2026 | May 28, 2026 |
|
LFSC
F/m Emerald Life Sciences Innovation ETF
|
ETF | Independent / Boutique | 0.79% | $751,028.95 | 61,915 | Feb 28, 2026 | Apr 28, 2026 |
|
IWN
iShares Russell 2000 Value ETF
|
ETF | BlackRock / iShares | 0.01% | $631,497.52 | 55,786 | Mar 31, 2026 | May 28, 2026 |
|
FSMAX
Fidelity Extended Market Index Fund
|
MF | Fidelity | 0.00% | $444,103.56 | 36,612 | Feb 28, 2026 | Apr 24, 2026 |
|
FBIOX
Select Biotechnology Portfolio
|
MF | Fidelity | 0.01% | $398,664.58 | 32,866 | Feb 28, 2026 | Apr 24, 2026 |
|
VTWO
VANGUARD RUSSELL 2000 INDEX FUND
|
ETF | Vanguard | 0.00% | $396,481.18 | 32,686 | Feb 28, 2026 | Apr 28, 2026 |
|
IWC
iShares Micro-Cap ETF
|
ETF | BlackRock / iShares | 0.02% | $189,327.00 | 16,725 | Mar 31, 2026 | May 28, 2026 |
|
SWSSX
Schwab Small-Cap Index Fund
|
MF | Charles Schwab | 0.00% | $180,469.22 | 13,378 | Apr 30, 2026 | Jun 25, 2026 |
|
DFAS
Dimensional U.S. Small Cap ETF
|
ETF | Dimensional Fund Advisors | 0.00% | $178,310.82 | 13,218 | Apr 30, 2026 | Jun 29, 2026 |
|
VHCIX
VANGUARD HEALTH CARE INDEX FUND
|
ETF | Vanguard | 0.00% | $167,430.39 | 13,803 | Feb 28, 2026 | Apr 28, 2026 |
|
ITOT
iShares Core S&P Total U.S. Stock Market ETF
|
ETF | BlackRock / iShares | 0.00% | $157,427.24 | 13,907 | Mar 31, 2026 | May 28, 2026 |
|
FSKAX
Fidelity Total Market Index Fund
|
MF | Fidelity | 0.00% | $137,226.69 | 11,313 | Feb 28, 2026 | Apr 24, 2026 |
|
-
Master Small Cap Index Series
|
ETF | Independent / Boutique | 0.00% | $117,060.12 | 10,341 | Mar 31, 2026 | May 28, 2026 |
|
FCFMX
Fidelity Series Total Market Index Fund
|
MF | Fidelity | 0.00% | $112,699.83 | 9,291 | Feb 28, 2026 | Apr 24, 2026 |
|
TRHBX
Nuveen Small Cap Blend Index Fund
|
MF | TIAA / Nuveen | 0.00% | $111,737.67 | 8,283 | Apr 30, 2026 | Jun 24, 2026 |
|
FISVX
Fidelity Small Cap Value Index Fund
|
MF | Fidelity | 0.01% | $93,944.68 | 8,299 | Mar 31, 2026 | May 26, 2026 |
|
-
EQ/2000 Managed Volatility Portfolio
|
ETF | Independent / Boutique | 0.00% | $82,964.28 | 7,329 | Mar 31, 2026 | May 26, 2026 |
|
PEXMX
T. Rowe Price Extended Equity Market Index Fund
|
MF | T. Rowe Price | 0.01% | $73,580.00 | 6,500 | Mar 31, 2026 | May 28, 2026 |
|
FNCMX
Fidelity Nasdaq Composite Index Fund
|
MF | Fidelity | 0.00% | $65,732.47 | 5,419 | Feb 28, 2026 | Apr 24, 2026 |
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